./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label05_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_2f555891-0bd0-496a-9c9f-958fa583e33c/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2f555891-0bd0-496a-9c9f-958fa583e33c/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2f555891-0bd0-496a-9c9f-958fa583e33c/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2f555891-0bd0-496a-9c9f-958fa583e33c/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label05_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_2f555891-0bd0-496a-9c9f-958fa583e33c/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2f555891-0bd0-496a-9c9f-958fa583e33c/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 6893c9ea3ad65b75d2a8fdb58db378617d0e1a5f ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-0cd3be1 [2018-11-28 13:24:16,874 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 13:24:16,876 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 13:24:16,884 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 13:24:16,884 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 13:24:16,885 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 13:24:16,886 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 13:24:16,887 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 13:24:16,888 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 13:24:16,889 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 13:24:16,889 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 13:24:16,889 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 13:24:16,890 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 13:24:16,891 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 13:24:16,891 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 13:24:16,892 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 13:24:16,893 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 13:24:16,894 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 13:24:16,895 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 13:24:16,896 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 13:24:16,897 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 13:24:16,897 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 13:24:16,899 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 13:24:16,899 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 13:24:16,899 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 13:24:16,900 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 13:24:16,900 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 13:24:16,901 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 13:24:16,901 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 13:24:16,902 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 13:24:16,902 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 13:24:16,903 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 13:24:16,903 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 13:24:16,903 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 13:24:16,904 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 13:24:16,904 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 13:24:16,904 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2f555891-0bd0-496a-9c9f-958fa583e33c/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 13:24:16,913 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 13:24:16,913 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 13:24:16,914 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 13:24:16,914 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 13:24:16,915 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 13:24:16,915 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 13:24:16,915 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 13:24:16,915 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 13:24:16,915 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 13:24:16,915 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 13:24:16,915 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 13:24:16,915 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 13:24:16,916 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 13:24:16,916 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 13:24:16,916 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 13:24:16,916 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 13:24:16,916 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 13:24:16,916 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 13:24:16,916 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 13:24:16,916 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 13:24:16,917 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 13:24:16,917 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 13:24:16,917 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 13:24:16,917 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 13:24:16,917 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 13:24:16,917 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 13:24:16,917 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 13:24:16,918 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 13:24:16,918 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 13:24:16,918 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 13:24:16,918 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_2f555891-0bd0-496a-9c9f-958fa583e33c/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 -> 6893c9ea3ad65b75d2a8fdb58db378617d0e1a5f [2018-11-28 13:24:16,940 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 13:24:16,949 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 13:24:16,951 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 13:24:16,952 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 13:24:16,953 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 13:24:16,953 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2f555891-0bd0-496a-9c9f-958fa583e33c/bin-2019/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem01_label05_true-unreach-call_false-termination.c [2018-11-28 13:24:16,997 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2f555891-0bd0-496a-9c9f-958fa583e33c/bin-2019/uautomizer/data/b70e0aa83/ca2033d0f78440e8ba8c6c9907b62994/FLAGe99e19718 [2018-11-28 13:24:17,445 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 13:24:17,445 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2f555891-0bd0-496a-9c9f-958fa583e33c/sv-benchmarks/c/eca-rers2012/Problem01_label05_true-unreach-call_false-termination.c [2018-11-28 13:24:17,453 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2f555891-0bd0-496a-9c9f-958fa583e33c/bin-2019/uautomizer/data/b70e0aa83/ca2033d0f78440e8ba8c6c9907b62994/FLAGe99e19718 [2018-11-28 13:24:17,464 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2f555891-0bd0-496a-9c9f-958fa583e33c/bin-2019/uautomizer/data/b70e0aa83/ca2033d0f78440e8ba8c6c9907b62994 [2018-11-28 13:24:17,466 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 13:24:17,467 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 13:24:17,468 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 13:24:17,468 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 13:24:17,471 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 13:24:17,472 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:24:17" (1/1) ... [2018-11-28 13:24:17,474 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5274901a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:24:17, skipping insertion in model container [2018-11-28 13:24:17,474 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:24:17" (1/1) ... [2018-11-28 13:24:17,480 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 13:24:17,513 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 13:24:17,748 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 13:24:17,753 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 13:24:17,887 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 13:24:17,900 INFO L195 MainTranslator]: Completed translation [2018-11-28 13:24:17,901 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:24:17 WrapperNode [2018-11-28 13:24:17,901 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 13:24:17,902 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 13:24:17,902 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 13:24:17,902 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 13:24:17,909 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:24:17" (1/1) ... [2018-11-28 13:24:17,917 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:24:17" (1/1) ... [2018-11-28 13:24:17,923 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 13:24:17,924 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 13:24:17,924 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 13:24:17,924 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 13:24:17,929 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:24:17" (1/1) ... [2018-11-28 13:24:17,930 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:24:17" (1/1) ... [2018-11-28 13:24:17,932 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:24:17" (1/1) ... [2018-11-28 13:24:17,933 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:24:17" (1/1) ... [2018-11-28 13:24:17,954 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:24:17" (1/1) ... [2018-11-28 13:24:17,962 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:24:17" (1/1) ... [2018-11-28 13:24:17,965 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:24:17" (1/1) ... [2018-11-28 13:24:17,969 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 13:24:17,969 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 13:24:17,969 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 13:24:17,969 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 13:24:17,970 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:24:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2f555891-0bd0-496a-9c9f-958fa583e33c/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 [2018-11-28 13:24:18,003 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 13:24:18,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 13:24:18,003 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-28 13:24:18,004 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-28 13:24:18,004 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 13:24:18,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 13:24:18,004 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 13:24:18,004 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 13:24:18,632 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 13:24:18,632 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-28 13:24:18,633 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:24:18 BoogieIcfgContainer [2018-11-28 13:24:18,633 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 13:24:18,633 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 13:24:18,633 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 13:24:18,636 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 13:24:18,636 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 01:24:17" (1/3) ... [2018-11-28 13:24:18,637 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ceb799b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 01:24:18, skipping insertion in model container [2018-11-28 13:24:18,637 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:24:17" (2/3) ... [2018-11-28 13:24:18,637 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ceb799b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 01:24:18, skipping insertion in model container [2018-11-28 13:24:18,638 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:24:18" (3/3) ... [2018-11-28 13:24:18,639 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label05_true-unreach-call_false-termination.c [2018-11-28 13:24:18,645 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 13:24:18,651 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 13:24:18,661 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 13:24:18,684 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 13:24:18,685 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 13:24:18,685 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 13:24:18,685 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 13:24:18,685 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 13:24:18,685 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 13:24:18,685 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 13:24:18,685 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 13:24:18,686 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 13:24:18,702 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2018-11-28 13:24:18,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-11-28 13:24:18,709 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:24:18,709 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] [2018-11-28 13:24:18,711 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:24:18,714 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:24:18,714 INFO L82 PathProgramCache]: Analyzing trace with hash -1904695938, now seen corresponding path program 1 times [2018-11-28 13:24:18,716 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:24:18,716 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:24:18,744 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:24:18,744 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:24:18,745 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:24:18,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:24:18,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:24:18,991 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:24:18,992 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 13:24:18,995 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 13:24:19,003 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 13:24:19,003 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 13:24:19,005 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 3 states. [2018-11-28 13:24:19,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:24:19,610 INFO L93 Difference]: Finished difference Result 547 states and 938 transitions. [2018-11-28 13:24:19,610 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 13:24:19,611 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 100 [2018-11-28 13:24:19,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:24:19,619 INFO L225 Difference]: With dead ends: 547 [2018-11-28 13:24:19,620 INFO L226 Difference]: Without dead ends: 278 [2018-11-28 13:24:19,623 INFO L631 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 [2018-11-28 13:24:19,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2018-11-28 13:24:19,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 278. [2018-11-28 13:24:19,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 278 states. [2018-11-28 13:24:19,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 400 transitions. [2018-11-28 13:24:19,663 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 400 transitions. Word has length 100 [2018-11-28 13:24:19,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:24:19,663 INFO L480 AbstractCegarLoop]: Abstraction has 278 states and 400 transitions. [2018-11-28 13:24:19,664 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 13:24:19,664 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 400 transitions. [2018-11-28 13:24:19,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-11-28 13:24:19,667 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:24:19,667 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] [2018-11-28 13:24:19,667 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:24:19,668 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:24:19,668 INFO L82 PathProgramCache]: Analyzing trace with hash 1236531093, now seen corresponding path program 1 times [2018-11-28 13:24:19,668 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:24:19,668 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:24:19,669 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:24:19,669 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:24:19,669 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:24:19,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:24:19,771 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:24:19,771 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:24:19,771 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 13:24:19,772 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 13:24:19,773 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 13:24:19,773 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-28 13:24:19,773 INFO L87 Difference]: Start difference. First operand 278 states and 400 transitions. Second operand 6 states. [2018-11-28 13:24:20,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:24:20,209 INFO L93 Difference]: Finished difference Result 703 states and 1026 transitions. [2018-11-28 13:24:20,209 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 13:24:20,209 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 110 [2018-11-28 13:24:20,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:24:20,213 INFO L225 Difference]: With dead ends: 703 [2018-11-28 13:24:20,213 INFO L226 Difference]: Without dead ends: 431 [2018-11-28 13:24:20,214 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 [2018-11-28 13:24:20,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2018-11-28 13:24:20,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 419. [2018-11-28 13:24:20,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 419 states. [2018-11-28 13:24:20,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 588 transitions. [2018-11-28 13:24:20,234 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 588 transitions. Word has length 110 [2018-11-28 13:24:20,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:24:20,234 INFO L480 AbstractCegarLoop]: Abstraction has 419 states and 588 transitions. [2018-11-28 13:24:20,234 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 13:24:20,234 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 588 transitions. [2018-11-28 13:24:20,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-11-28 13:24:20,235 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:24:20,235 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] [2018-11-28 13:24:20,236 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:24:20,236 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:24:20,236 INFO L82 PathProgramCache]: Analyzing trace with hash 235879383, now seen corresponding path program 1 times [2018-11-28 13:24:20,236 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:24:20,236 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:24:20,236 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:24:20,237 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:24:20,237 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:24:20,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:24:20,331 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:24:20,331 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:24:20,331 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 13:24:20,331 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 13:24:20,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 13:24:20,332 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 13:24:20,332 INFO L87 Difference]: Start difference. First operand 419 states and 588 transitions. Second operand 3 states. [2018-11-28 13:24:20,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:24:20,611 INFO L93 Difference]: Finished difference Result 1241 states and 1781 transitions. [2018-11-28 13:24:20,611 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 13:24:20,612 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 111 [2018-11-28 13:24:20,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:24:20,615 INFO L225 Difference]: With dead ends: 1241 [2018-11-28 13:24:20,615 INFO L226 Difference]: Without dead ends: 828 [2018-11-28 13:24:20,616 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 13:24:20,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 828 states. [2018-11-28 13:24:20,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 828 to 828. [2018-11-28 13:24:20,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 828 states. [2018-11-28 13:24:20,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 828 states to 828 states and 1140 transitions. [2018-11-28 13:24:20,642 INFO L78 Accepts]: Start accepts. Automaton has 828 states and 1140 transitions. Word has length 111 [2018-11-28 13:24:20,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:24:20,643 INFO L480 AbstractCegarLoop]: Abstraction has 828 states and 1140 transitions. [2018-11-28 13:24:20,643 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 13:24:20,643 INFO L276 IsEmpty]: Start isEmpty. Operand 828 states and 1140 transitions. [2018-11-28 13:24:20,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-11-28 13:24:20,646 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:24:20,647 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:24:20,647 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:24:20,647 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:24:20,647 INFO L82 PathProgramCache]: Analyzing trace with hash -1258087941, now seen corresponding path program 1 times [2018-11-28 13:24:20,647 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:24:20,647 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:24:20,648 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:24:20,648 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:24:20,648 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:24:20,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:24:20,730 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:24:20,730 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:24:20,730 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 13:24:20,731 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 13:24:20,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 13:24:20,731 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-28 13:24:20,731 INFO L87 Difference]: Start difference. First operand 828 states and 1140 transitions. Second operand 6 states. [2018-11-28 13:24:21,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:24:21,135 INFO L93 Difference]: Finished difference Result 2250 states and 3291 transitions. [2018-11-28 13:24:21,136 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 13:24:21,136 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 125 [2018-11-28 13:24:21,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:24:21,144 INFO L225 Difference]: With dead ends: 2250 [2018-11-28 13:24:21,144 INFO L226 Difference]: Without dead ends: 1428 [2018-11-28 13:24:21,146 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 [2018-11-28 13:24:21,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1428 states. [2018-11-28 13:24:21,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1428 to 1400. [2018-11-28 13:24:21,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1400 states. [2018-11-28 13:24:21,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1400 states to 1400 states and 1852 transitions. [2018-11-28 13:24:21,185 INFO L78 Accepts]: Start accepts. Automaton has 1400 states and 1852 transitions. Word has length 125 [2018-11-28 13:24:21,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:24:21,186 INFO L480 AbstractCegarLoop]: Abstraction has 1400 states and 1852 transitions. [2018-11-28 13:24:21,186 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 13:24:21,186 INFO L276 IsEmpty]: Start isEmpty. Operand 1400 states and 1852 transitions. [2018-11-28 13:24:21,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-11-28 13:24:21,189 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:24:21,189 INFO L402 BasicCegarLoop]: trace histogram [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, 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] [2018-11-28 13:24:21,189 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:24:21,190 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:24:21,190 INFO L82 PathProgramCache]: Analyzing trace with hash -676972618, now seen corresponding path program 1 times [2018-11-28 13:24:21,190 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:24:21,190 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:24:21,191 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:24:21,191 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:24:21,191 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:24:21,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:24:21,295 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 45 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:24:21,296 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 13:24:21,296 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2f555891-0bd0-496a-9c9f-958fa583e33c/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 [2018-11-28 13:24:21,304 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:24:21,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:24:21,357 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:24:21,384 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 45 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:24:21,400 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 13:24:21,400 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 7 [2018-11-28 13:24:21,400 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 13:24:21,401 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 13:24:21,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-11-28 13:24:21,401 INFO L87 Difference]: Start difference. First operand 1400 states and 1852 transitions. Second operand 7 states. [2018-11-28 13:24:21,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:24:21,857 INFO L93 Difference]: Finished difference Result 3245 states and 4457 transitions. [2018-11-28 13:24:21,858 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 13:24:21,858 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 142 [2018-11-28 13:24:21,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:24:21,864 INFO L225 Difference]: With dead ends: 3245 [2018-11-28 13:24:21,864 INFO L226 Difference]: Without dead ends: 1851 [2018-11-28 13:24:21,866 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 142 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2018-11-28 13:24:21,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1851 states. [2018-11-28 13:24:21,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1851 to 1541. [2018-11-28 13:24:21,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1541 states. [2018-11-28 13:24:21,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1541 states to 1541 states and 2040 transitions. [2018-11-28 13:24:21,902 INFO L78 Accepts]: Start accepts. Automaton has 1541 states and 2040 transitions. Word has length 142 [2018-11-28 13:24:21,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:24:21,902 INFO L480 AbstractCegarLoop]: Abstraction has 1541 states and 2040 transitions. [2018-11-28 13:24:21,902 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 13:24:21,902 INFO L276 IsEmpty]: Start isEmpty. Operand 1541 states and 2040 transitions. [2018-11-28 13:24:21,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-11-28 13:24:21,905 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:24:21,905 INFO L402 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:24:21,905 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:24:21,906 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:24:21,906 INFO L82 PathProgramCache]: Analyzing trace with hash 809347390, now seen corresponding path program 1 times [2018-11-28 13:24:21,906 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:24:21,906 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:24:21,907 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:24:21,907 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:24:21,907 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:24:21,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:24:22,004 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 53 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:24:22,004 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 13:24:22,004 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2f555891-0bd0-496a-9c9f-958fa583e33c/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 13:24:22,010 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:24:22,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:24:22,054 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:24:22,120 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 24 proven. 27 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-28 13:24:22,136 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 13:24:22,136 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4] total 8 [2018-11-28 13:24:22,136 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-28 13:24:22,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-28 13:24:22,137 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-11-28 13:24:22,137 INFO L87 Difference]: Start difference. First operand 1541 states and 2040 transitions. Second operand 8 states. [2018-11-28 13:24:23,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:24:23,174 INFO L93 Difference]: Finished difference Result 3718 states and 5160 transitions. [2018-11-28 13:24:23,175 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-11-28 13:24:23,175 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 146 [2018-11-28 13:24:23,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:24:23,181 INFO L225 Difference]: With dead ends: 3718 [2018-11-28 13:24:23,182 INFO L226 Difference]: Without dead ends: 2183 [2018-11-28 13:24:23,185 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2018-11-28 13:24:23,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2183 states. [2018-11-28 13:24:23,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2183 to 1712. [2018-11-28 13:24:23,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1712 states. [2018-11-28 13:24:23,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1712 states to 1712 states and 2129 transitions. [2018-11-28 13:24:23,219 INFO L78 Accepts]: Start accepts. Automaton has 1712 states and 2129 transitions. Word has length 146 [2018-11-28 13:24:23,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:24:23,219 INFO L480 AbstractCegarLoop]: Abstraction has 1712 states and 2129 transitions. [2018-11-28 13:24:23,219 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-28 13:24:23,219 INFO L276 IsEmpty]: Start isEmpty. Operand 1712 states and 2129 transitions. [2018-11-28 13:24:23,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-11-28 13:24:23,222 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:24:23,222 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 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, 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] [2018-11-28 13:24:23,222 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:24:23,222 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:24:23,222 INFO L82 PathProgramCache]: Analyzing trace with hash 1440991952, now seen corresponding path program 1 times [2018-11-28 13:24:23,222 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:24:23,223 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:24:23,223 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:24:23,223 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:24:23,223 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:24:23,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:24:23,305 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 66 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:24:23,306 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 13:24:23,306 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2f555891-0bd0-496a-9c9f-958fa583e33c/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 13:24:23,315 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:24:23,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:24:23,365 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:24:23,426 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-28 13:24:23,441 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 13:24:23,441 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4] total 8 [2018-11-28 13:24:23,442 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-28 13:24:23,442 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-28 13:24:23,442 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-11-28 13:24:23,442 INFO L87 Difference]: Start difference. First operand 1712 states and 2129 transitions. Second operand 8 states. [2018-11-28 13:24:24,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:24:24,676 INFO L93 Difference]: Finished difference Result 5639 states and 7681 transitions. [2018-11-28 13:24:24,677 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-11-28 13:24:24,677 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 166 [2018-11-28 13:24:24,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:24:24,692 INFO L225 Difference]: With dead ends: 5639 [2018-11-28 13:24:24,692 INFO L226 Difference]: Without dead ends: 3933 [2018-11-28 13:24:24,696 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 174 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 119 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=149, Invalid=451, Unknown=0, NotChecked=0, Total=600 [2018-11-28 13:24:24,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3933 states. [2018-11-28 13:24:24,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3933 to 3432. [2018-11-28 13:24:24,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3432 states. [2018-11-28 13:24:24,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3432 states to 3432 states and 4323 transitions. [2018-11-28 13:24:24,786 INFO L78 Accepts]: Start accepts. Automaton has 3432 states and 4323 transitions. Word has length 166 [2018-11-28 13:24:24,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:24:24,787 INFO L480 AbstractCegarLoop]: Abstraction has 3432 states and 4323 transitions. [2018-11-28 13:24:24,787 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-28 13:24:24,787 INFO L276 IsEmpty]: Start isEmpty. Operand 3432 states and 4323 transitions. [2018-11-28 13:24:24,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-11-28 13:24:24,794 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:24:24,794 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2018-11-28 13:24:24,795 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:24:24,795 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:24:24,795 INFO L82 PathProgramCache]: Analyzing trace with hash -648776304, now seen corresponding path program 1 times [2018-11-28 13:24:24,795 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:24:24,795 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:24:24,796 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:24:24,796 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:24:24,796 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:24:24,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:24:24,912 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 109 proven. 28 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-11-28 13:24:24,912 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 13:24:24,912 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2f555891-0bd0-496a-9c9f-958fa583e33c/bin-2019/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 13:24:24,921 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:24:24,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:24:24,991 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:24:25,062 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 86 proven. 54 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-11-28 13:24:25,087 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 13:24:25,087 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4] total 8 [2018-11-28 13:24:25,087 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-28 13:24:25,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-28 13:24:25,088 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-11-28 13:24:25,088 INFO L87 Difference]: Start difference. First operand 3432 states and 4323 transitions. Second operand 8 states. [2018-11-28 13:24:27,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:24:27,013 INFO L93 Difference]: Finished difference Result 7100 states and 9084 transitions. [2018-11-28 13:24:27,013 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-11-28 13:24:27,014 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 204 [2018-11-28 13:24:27,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:24:27,014 INFO L225 Difference]: With dead ends: 7100 [2018-11-28 13:24:27,014 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 13:24:27,024 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 238 GetRequests, 217 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=130, Invalid=376, Unknown=0, NotChecked=0, Total=506 [2018-11-28 13:24:27,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 13:24:27,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 13:24:27,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 13:24:27,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 13:24:27,026 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 204 [2018-11-28 13:24:27,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:24:27,026 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 13:24:27,026 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-28 13:24:27,026 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 13:24:27,026 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 13:24:27,031 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 13:24:27,124 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:24:27,135 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:24:27,161 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:24:27,259 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:24:27,278 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:24:27,280 WARN L180 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 161 [2018-11-28 13:24:27,282 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:24:27,293 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:24:27,318 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:24:27,404 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:24:27,419 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:24:27,419 WARN L180 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 161 [2018-11-28 13:24:28,034 WARN L180 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 62 [2018-11-28 13:24:28,487 WARN L180 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 61 [2018-11-28 13:24:28,889 WARN L180 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 61 [2018-11-28 13:24:28,891 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 13:24:28,891 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a7~0 |old(~a7~0)|) (= |old(~a8~0)| ~a8~0) (= ~a17~0 |old(~a17~0)|) (= |old(~a16~0)| ~a16~0) (= ~a20~0 |old(~a20~0)|) (= ~a21~0 |old(~a21~0)|)) [2018-11-28 13:24:28,891 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 13:24:28,891 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-11-28 13:24:28,891 INFO L448 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-11-28 13:24:28,891 INFO L448 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 13:24:28,891 INFO L448 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 13:24:28,892 INFO L448 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 13:24:28,892 INFO L448 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 13:24:28,892 INFO L448 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 13:24:28,892 INFO L448 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 13:24:28,892 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-11-28 13:24:28,892 INFO L448 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-11-28 13:24:28,892 INFO L448 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-11-28 13:24:28,892 INFO L448 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-11-28 13:24:28,892 INFO L448 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-11-28 13:24:28,892 INFO L448 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-11-28 13:24:28,892 INFO L448 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-11-28 13:24:28,892 INFO L448 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-11-28 13:24:28,892 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-11-28 13:24:28,893 INFO L448 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-11-28 13:24:28,893 INFO L448 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 13:24:28,893 INFO L448 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 13:24:28,893 INFO L448 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 13:24:28,893 INFO L448 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 13:24:28,893 INFO L448 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 13:24:28,893 INFO L448 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 13:24:28,893 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-11-28 13:24:28,893 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-11-28 13:24:28,893 INFO L448 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-11-28 13:24:28,893 INFO L448 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-11-28 13:24:28,893 INFO L448 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-11-28 13:24:28,893 INFO L448 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-11-28 13:24:28,893 INFO L448 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-11-28 13:24:28,894 INFO L448 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-11-28 13:24:28,894 INFO L448 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-11-28 13:24:28,894 INFO L448 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-11-28 13:24:28,894 INFO L448 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-11-28 13:24:28,894 INFO L448 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-11-28 13:24:28,894 INFO L448 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-11-28 13:24:28,894 INFO L448 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-11-28 13:24:28,894 INFO L448 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2018-11-28 13:24:28,894 INFO L448 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 13:24:28,894 INFO L448 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 13:24:28,894 INFO L448 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 13:24:28,894 INFO L448 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 13:24:28,894 INFO L448 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 13:24:28,895 INFO L448 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-11-28 13:24:28,895 INFO L448 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-11-28 13:24:28,895 INFO L448 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-11-28 13:24:28,895 INFO L448 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-11-28 13:24:28,895 INFO L448 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-11-28 13:24:28,895 INFO L448 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-11-28 13:24:28,895 INFO L448 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-11-28 13:24:28,895 INFO L448 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-11-28 13:24:28,895 INFO L448 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-11-28 13:24:28,895 INFO L448 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 13:24:28,895 INFO L448 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 13:24:28,895 INFO L448 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 13:24:28,895 INFO L448 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 13:24:28,895 INFO L448 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 13:24:28,896 INFO L448 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-11-28 13:24:28,896 INFO L448 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-11-28 13:24:28,896 INFO L448 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-11-28 13:24:28,896 INFO L448 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-11-28 13:24:28,896 INFO L448 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-11-28 13:24:28,896 INFO L448 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-11-28 13:24:28,896 INFO L448 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-11-28 13:24:28,896 INFO L448 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-11-28 13:24:28,896 INFO L448 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-11-28 13:24:28,896 INFO L448 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-11-28 13:24:28,896 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-11-28 13:24:28,896 INFO L448 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-11-28 13:24:28,896 INFO L448 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-11-28 13:24:28,896 INFO L448 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 13:24:28,897 INFO L448 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 13:24:28,897 INFO L448 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 13:24:28,897 INFO L448 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 13:24:28,897 INFO L448 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 13:24:28,897 INFO L448 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-11-28 13:24:28,897 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-11-28 13:24:28,897 INFO L448 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-11-28 13:24:28,897 INFO L448 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-11-28 13:24:28,897 INFO L448 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-11-28 13:24:28,897 INFO L448 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-11-28 13:24:28,897 INFO L448 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-11-28 13:24:28,897 INFO L448 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-11-28 13:24:28,897 INFO L448 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-11-28 13:24:28,898 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2018-11-28 13:24:28,898 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2018-11-28 13:24:28,898 INFO L448 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 13:24:28,898 INFO L448 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 13:24:28,898 INFO L448 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 13:24:28,898 INFO L448 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 13:24:28,898 INFO L448 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-11-28 13:24:28,898 INFO L448 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 13:24:28,898 INFO L448 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-11-28 13:24:28,898 INFO L448 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-11-28 13:24:28,898 INFO L448 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-11-28 13:24:28,899 INFO L448 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-11-28 13:24:28,899 INFO L448 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-11-28 13:24:28,899 INFO L448 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-11-28 13:24:28,899 INFO L448 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-11-28 13:24:28,899 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-11-28 13:24:28,899 INFO L448 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-11-28 13:24:28,899 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-11-28 13:24:28,899 INFO L448 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-11-28 13:24:28,899 INFO L448 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-11-28 13:24:28,899 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-11-28 13:24:28,899 INFO L448 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 13:24:28,899 INFO L448 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 13:24:28,900 INFO L448 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 13:24:28,900 INFO L448 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 13:24:28,900 INFO L448 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 13:24:28,900 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-11-28 13:24:28,900 INFO L448 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-11-28 13:24:28,900 INFO L448 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-11-28 13:24:28,900 INFO L448 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-11-28 13:24:28,900 INFO L448 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-11-28 13:24:28,900 INFO L448 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-11-28 13:24:28,900 INFO L448 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-11-28 13:24:28,900 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-11-28 13:24:28,900 INFO L448 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 13:24:28,901 INFO L448 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 13:24:28,901 INFO L448 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 13:24:28,901 INFO L448 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 13:24:28,901 INFO L448 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 13:24:28,901 INFO L448 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-11-28 13:24:28,901 INFO L448 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-11-28 13:24:28,901 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-11-28 13:24:28,901 INFO L448 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-11-28 13:24:28,901 INFO L448 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-11-28 13:24:28,901 INFO L448 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-11-28 13:24:28,901 INFO L448 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-11-28 13:24:28,901 INFO L448 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-11-28 13:24:28,901 INFO L448 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-11-28 13:24:28,902 INFO L448 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-11-28 13:24:28,902 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse18 (< 0 |old(~a21~0)|)) (.cse12 (= |old(~a16~0)| ~a16~0)) (.cse10 (= ~a7~0 |old(~a7~0)|)) (.cse11 (= |old(~a8~0)| ~a8~0)) (.cse16 (= ~a17~0 |old(~a17~0)|)) (.cse13 (= ~a20~0 |old(~a20~0)|)) (.cse15 (= 6 |old(~a16~0)|)) (.cse4 (not (= 1 |old(~a21~0)|))) (.cse17 (not (= 1 |old(~a20~0)|)))) (let ((.cse0 (or .cse4 (= 4 |old(~a16~0)|) .cse17)) (.cse5 (= 13 |old(~a8~0)|)) (.cse8 (not (= 1 |old(~a7~0)|))) (.cse7 (or .cse15 .cse4 .cse17)) (.cse6 (not (= 1 |old(~a17~0)|))) (.cse1 (< 0 |old(~a7~0)|)) (.cse3 (and .cse12 .cse10 .cse11 .cse16 (= 1 ~a21~0) .cse13)) (.cse9 (or .cse15 .cse18)) (.cse14 (= ~a21~0 |old(~a21~0)|)) (.cse2 (< 0 |old(~a17~0)|))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse3 .cse1 .cse2) (or .cse4 .cse3 .cse5 .cse1 .cse6) (or .cse7 .cse8 .cse3 .cse6) (or .cse9 (and .cse10 .cse11 .cse12 .cse13 .cse14 (= 1 ~a17~0)) .cse6) (or .cse0 .cse3 .cse1 .cse6) (or .cse15 .cse4 .cse3 .cse5 .cse8 .cse2) (or .cse3 .cse7 .cse1 .cse6) (or (or .cse15 .cse4 .cse1) .cse2 .cse3) (or .cse9 .cse2 (and .cse10 .cse11 .cse16 .cse12 .cse13 .cse14)) (or .cse17 (and .cse12 .cse14 .cse10 .cse11 .cse16 .cse13) .cse2 .cse18)))) [2018-11-28 13:24:28,902 INFO L448 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-11-28 13:24:28,902 INFO L448 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 13:24:28,902 INFO L448 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 13:24:28,902 INFO L448 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 13:24:28,902 INFO L448 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 13:24:28,902 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-11-28 13:24:28,902 INFO L448 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 13:24:28,902 INFO L448 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2018-11-28 13:24:28,903 INFO L448 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-11-28 13:24:28,903 INFO L448 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-11-28 13:24:28,903 INFO L448 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-11-28 13:24:28,903 INFO L448 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-11-28 13:24:28,903 INFO L448 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-11-28 13:24:28,903 INFO L448 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-11-28 13:24:28,903 INFO L448 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-11-28 13:24:28,903 INFO L448 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-11-28 13:24:28,903 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-11-28 13:24:28,903 INFO L448 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-11-28 13:24:28,903 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-11-28 13:24:28,903 INFO L448 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-11-28 13:24:28,904 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 458) no Hoare annotation was computed. [2018-11-28 13:24:28,904 INFO L448 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 13:24:28,904 INFO L448 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 13:24:28,904 INFO L448 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 13:24:28,904 INFO L448 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 13:24:28,904 INFO L448 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 13:24:28,904 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-11-28 13:24:28,904 INFO L448 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 13:24:28,904 INFO L448 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-11-28 13:24:28,904 INFO L448 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-11-28 13:24:28,904 INFO L448 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-11-28 13:24:28,904 INFO L448 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-11-28 13:24:28,904 INFO L448 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-11-28 13:24:28,905 INFO L448 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-11-28 13:24:28,905 INFO L448 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-11-28 13:24:28,905 INFO L448 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-11-28 13:24:28,905 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-11-28 13:24:28,905 INFO L448 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-11-28 13:24:28,905 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-11-28 13:24:28,905 INFO L448 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-11-28 13:24:28,905 INFO L448 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-11-28 13:24:28,905 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-11-28 13:24:28,905 INFO L448 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 13:24:28,905 INFO L448 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 13:24:28,905 INFO L448 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 13:24:28,905 INFO L448 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 13:24:28,905 INFO L448 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 13:24:28,906 INFO L448 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 13:24:28,906 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-11-28 13:24:28,906 INFO L448 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-11-28 13:24:28,906 INFO L448 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-11-28 13:24:28,906 INFO L448 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-11-28 13:24:28,906 INFO L448 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-11-28 13:24:28,906 INFO L448 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-11-28 13:24:28,906 INFO L448 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-11-28 13:24:28,906 INFO L448 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-11-28 13:24:28,906 INFO L448 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-11-28 13:24:28,906 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-11-28 13:24:28,906 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 13:24:28,906 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~a20~0) (not (= ~a16~0 6)) (= 1 ~a21~0) (<= ~a7~0 0) (not (= ~a8~0 13)) (not (= ~a16~0 4)) (= 1 ~a17~0)) [2018-11-28 13:24:28,907 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 13:24:28,907 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 13:24:28,907 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (= 6 |old(~a16~0)|) (not (= 1 |old(~a21~0)|)) (= 4 |old(~a16~0)|) (not (= 1 |old(~a20~0)|)) (and (= |old(~a16~0)| ~a16~0) (= ~a7~0 |old(~a7~0)|) (= |old(~a8~0)| ~a8~0) (= ~a17~0 |old(~a17~0)|) (= 1 ~a21~0) (= ~a20~0 |old(~a20~0)|)) (= 13 |old(~a8~0)|) (< 0 |old(~a7~0)|) (not (= 1 |old(~a17~0)|))) [2018-11-28 13:24:28,907 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2018-11-28 13:24:28,907 INFO L444 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse2 (not (= ~a16~0 6))) (.cse10 (= 1 ~a20~0)) (.cse3 (= 1 ~a21~0))) (let ((.cse8 (and .cse10 .cse3 (not (= ~a16~0 4)))) (.cse4 (not (= ~a8~0 13))) (.cse5 (<= ~a7~0 0)) (.cse6 (and .cse10 .cse2 .cse3)) (.cse7 (= 1 ~a17~0)) (.cse0 (= 1 ~a7~0)) (.cse9 (<= ~a21~0 0)) (.cse1 (<= ~a17~0 0))) (or (not (= 1 |old(~a21~0)|)) (and .cse0 .cse1 (and .cse2 .cse3 .cse4)) (and (and .cse2 .cse3 .cse5) .cse1) (and .cse6 .cse5 .cse7) (not (= 1 |old(~a20~0)|)) (< 0 |old(~a7~0)|) (and (and .cse8 .cse7) .cse5) (and .cse9 .cse2 .cse7) (= 6 |old(~a16~0)|) (and .cse3 .cse4 .cse5 .cse7) (and (and .cse8 .cse5) .cse1) (and (and .cse3 .cse4 .cse5) .cse1) (= 13 |old(~a8~0)|) (and .cse9 .cse2 .cse1) (and (and .cse6 .cse7) .cse0) (not (= 1 |old(~a17~0)|)) (= 4 |old(~a16~0)|) (and .cse9 .cse10 .cse1)))) [2018-11-28 13:24:28,907 INFO L448 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2018-11-28 13:24:28,907 INFO L448 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-11-28 13:24:28,907 INFO L444 ceAbstractionStarter]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse2 (not (= ~a16~0 6))) (.cse10 (= 1 ~a20~0)) (.cse3 (= 1 ~a21~0))) (let ((.cse8 (and .cse10 .cse3 (not (= ~a16~0 4)))) (.cse4 (not (= ~a8~0 13))) (.cse5 (<= ~a7~0 0)) (.cse6 (and .cse10 .cse2 .cse3)) (.cse7 (= 1 ~a17~0)) (.cse0 (= 1 ~a7~0)) (.cse9 (<= ~a21~0 0)) (.cse1 (<= ~a17~0 0))) (or (not (= 1 |old(~a21~0)|)) (and .cse0 .cse1 (and .cse2 .cse3 .cse4)) (and (and .cse2 .cse3 .cse5) .cse1) (and .cse6 .cse5 .cse7) (not (= 1 |old(~a20~0)|)) (< 0 |old(~a7~0)|) (and (and .cse8 .cse7) .cse5) (and .cse9 .cse2 .cse7) (= 6 |old(~a16~0)|) (and .cse3 .cse4 .cse5 .cse7) (and (and .cse8 .cse5) .cse1) (and (and .cse3 .cse4 .cse5) .cse1) (= 13 |old(~a8~0)|) (and .cse9 .cse2 .cse1) (and (and .cse6 .cse7) .cse0) (not (= 1 |old(~a17~0)|)) (= 4 |old(~a16~0)|) (and .cse9 .cse10 .cse1)))) [2018-11-28 13:24:28,908 INFO L448 ceAbstractionStarter]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2018-11-28 13:24:28,921 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 01:24:28 BoogieIcfgContainer [2018-11-28 13:24:28,922 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 13:24:28,922 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 13:24:28,922 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 13:24:28,922 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 13:24:28,923 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:24:18" (3/4) ... [2018-11-28 13:24:28,925 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 13:24:28,932 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 13:24:28,932 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-28 13:24:28,932 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 13:24:28,941 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-28 13:24:28,941 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-28 13:24:28,962 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((!(1 == \old(a21)) || ((1 == a7 && a17 <= 0) && (!(a16 == 6) && 1 == a21) && !(a8 == 13))) || (((!(a16 == 6) && 1 == a21) && a7 <= 0) && a17 <= 0)) || ((((1 == a20 && !(a16 == 6)) && 1 == a21) && a7 <= 0) && 1 == a17)) || !(1 == \old(a20))) || 0 < \old(a7)) || ((((1 == a20 && 1 == a21) && !(a16 == 4)) && 1 == a17) && a7 <= 0)) || ((a21 <= 0 && !(a16 == 6)) && 1 == a17)) || 6 == \old(a16)) || (((1 == a21 && !(a8 == 13)) && a7 <= 0) && 1 == a17)) || ((((1 == a20 && 1 == a21) && !(a16 == 4)) && a7 <= 0) && a17 <= 0)) || (((1 == a21 && !(a8 == 13)) && a7 <= 0) && a17 <= 0)) || 13 == \old(a8)) || ((a21 <= 0 && !(a16 == 6)) && a17 <= 0)) || ((((1 == a20 && !(a16 == 6)) && 1 == a21) && 1 == a17) && 1 == a7)) || !(1 == \old(a17))) || 4 == \old(a16)) || ((a21 <= 0 && 1 == a20) && a17 <= 0) [2018-11-28 13:24:29,035 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_2f555891-0bd0-496a-9c9f-958fa583e33c/bin-2019/uautomizer/witness.graphml [2018-11-28 13:24:29,035 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 13:24:29,036 INFO L168 Benchmark]: Toolchain (without parser) took 11569.30 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 523.2 MB). Free memory was 951.7 MB in the beginning and 1.4 GB in the end (delta: -433.0 MB). Peak memory consumption was 90.2 MB. Max. memory is 11.5 GB. [2018-11-28 13:24:29,037 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 13:24:29,037 INFO L168 Benchmark]: CACSL2BoogieTranslator took 433.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.3 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -190.7 MB). Peak memory consumption was 40.9 MB. Max. memory is 11.5 GB. [2018-11-28 13:24:29,037 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.88 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 13:24:29,037 INFO L168 Benchmark]: Boogie Preprocessor took 45.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. [2018-11-28 13:24:29,038 INFO L168 Benchmark]: RCFGBuilder took 663.63 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: 99.2 MB). Peak memory consumption was 99.2 MB. Max. memory is 11.5 GB. [2018-11-28 13:24:29,038 INFO L168 Benchmark]: TraceAbstraction took 10288.44 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 364.9 MB). Free memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: -377.2 MB). Peak memory consumption was 473.3 MB. Max. memory is 11.5 GB. [2018-11-28 13:24:29,038 INFO L168 Benchmark]: Witness Printer took 113.49 ms. Allocated memory is still 1.6 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 25.9 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. [2018-11-28 13:24:29,040 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 433.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.3 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -190.7 MB). Peak memory consumption was 40.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 21.88 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 45.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 663.63 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: 99.2 MB). Peak memory consumption was 99.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 10288.44 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 364.9 MB). Free memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: -377.2 MB). Peak memory consumption was 473.3 MB. Max. memory is 11.5 GB. * Witness Printer took 113.49 ms. Allocated memory is still 1.6 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 25.9 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 458]: 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: ((((((((((((((((!(1 == \old(a21)) || ((1 == a7 && a17 <= 0) && (!(a16 == 6) && 1 == a21) && !(a8 == 13))) || (((!(a16 == 6) && 1 == a21) && a7 <= 0) && a17 <= 0)) || ((((1 == a20 && !(a16 == 6)) && 1 == a21) && a7 <= 0) && 1 == a17)) || !(1 == \old(a20))) || 0 < \old(a7)) || ((((1 == a20 && 1 == a21) && !(a16 == 4)) && 1 == a17) && a7 <= 0)) || ((a21 <= 0 && !(a16 == 6)) && 1 == a17)) || 6 == \old(a16)) || (((1 == a21 && !(a8 == 13)) && a7 <= 0) && 1 == a17)) || ((((1 == a20 && 1 == a21) && !(a16 == 4)) && a7 <= 0) && a17 <= 0)) || (((1 == a21 && !(a8 == 13)) && a7 <= 0) && a17 <= 0)) || 13 == \old(a8)) || ((a21 <= 0 && !(a16 == 6)) && a17 <= 0)) || ((((1 == a20 && !(a16 == 6)) && 1 == a21) && 1 == a17) && 1 == a7)) || !(1 == \old(a17))) || 4 == \old(a16)) || ((a21 <= 0 && 1 == a20) && a17 <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. SAFE Result, 10.2s OverallTime, 8 OverallIterations, 5 TraceHistogramMax, 6.4s AutomataDifference, 0.0s DeadEndRemovalTime, 1.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 277 SDtfs, 4197 SDslu, 487 SDs, 0 SdLazy, 7371 SolverSat, 1511 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 788 GetRequests, 695 SyntacticMatches, 5 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 325 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3432occurred in iteration=7, 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: 0.2s AutomataMinimizationTime, 8 MinimizatonAttempts, 1322 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 108 PreInvPairs, 174 NumberOfFragments, 883 HoareAnnotationTreeSize, 108 FomulaSimplifications, 30100 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 7 FomulaSimplificationsInter, 19443 FormulaSimplificationTreeSizeReductionInter, 1.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 1762 NumberOfCodeBlocks, 1762 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1750 ConstructedInterpolants, 0 QuantifiedInterpolants, 668592 SizeOfPredicates, 7 NumberOfNonLiveVariables, 1903 ConjunctsInSsa, 29 ConjunctsInUnsatCore, 12 InterpolantComputations, 4 PerfectInterpolantSequences, 556/727 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...