./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label54_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_2c4e8c05-d9ee-4708-96d5-2827e3687e97/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2c4e8c05-d9ee-4708-96d5-2827e3687e97/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2c4e8c05-d9ee-4708-96d5-2827e3687e97/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2c4e8c05-d9ee-4708-96d5-2827e3687e97/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label54_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_2c4e8c05-d9ee-4708-96d5-2827e3687e97/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2c4e8c05-d9ee-4708-96d5-2827e3687e97/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 3f51dca3844c7621fbb989f3ed1f9e07d5f2fb43 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 06:21:20,848 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 06:21:20,850 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 06:21:20,858 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 06:21:20,859 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 06:21:20,859 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 06:21:20,860 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 06:21:20,861 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 06:21:20,863 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 06:21:20,863 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 06:21:20,864 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 06:21:20,864 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 06:21:20,865 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 06:21:20,866 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 06:21:20,867 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 06:21:20,867 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 06:21:20,868 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 06:21:20,869 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 06:21:20,871 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 06:21:20,872 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 06:21:20,873 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 06:21:20,874 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 06:21:20,876 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 06:21:20,876 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 06:21:20,876 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 06:21:20,877 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 06:21:20,878 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 06:21:20,878 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 06:21:20,879 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 06:21:20,880 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 06:21:20,880 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 06:21:20,880 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 06:21:20,880 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 06:21:20,881 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 06:21:20,882 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 06:21:20,883 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 06:21:20,883 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2c4e8c05-d9ee-4708-96d5-2827e3687e97/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-10 06:21:20,893 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 06:21:20,893 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 06:21:20,894 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 06:21:20,894 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 06:21:20,894 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 06:21:20,895 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 06:21:20,895 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 06:21:20,895 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 06:21:20,895 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 06:21:20,895 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 06:21:20,895 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 06:21:20,895 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 06:21:20,896 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 06:21:20,896 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 06:21:20,896 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 06:21:20,896 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 06:21:20,896 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 06:21:20,896 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 06:21:20,896 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 06:21:20,897 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 06:21:20,897 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 06:21:20,897 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 06:21:20,899 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 06:21:20,899 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 06:21:20,899 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 06:21:20,899 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 06:21:20,900 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-10 06:21:20,900 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 06:21:20,900 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 06:21:20,900 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_2c4e8c05-d9ee-4708-96d5-2827e3687e97/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 -> 3f51dca3844c7621fbb989f3ed1f9e07d5f2fb43 [2018-11-10 06:21:20,924 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 06:21:20,935 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 06:21:20,937 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 06:21:20,939 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 06:21:20,939 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 06:21:20,939 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2c4e8c05-d9ee-4708-96d5-2827e3687e97/bin-2019/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem01_label54_true-unreach-call_false-termination.c [2018-11-10 06:21:20,988 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2c4e8c05-d9ee-4708-96d5-2827e3687e97/bin-2019/uautomizer/data/ebb0bc3dd/b1c994db339e47b9926a022e57dd3dc3/FLAGd2d6874d5 [2018-11-10 06:21:21,389 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 06:21:21,390 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2c4e8c05-d9ee-4708-96d5-2827e3687e97/sv-benchmarks/c/eca-rers2012/Problem01_label54_true-unreach-call_false-termination.c [2018-11-10 06:21:21,399 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2c4e8c05-d9ee-4708-96d5-2827e3687e97/bin-2019/uautomizer/data/ebb0bc3dd/b1c994db339e47b9926a022e57dd3dc3/FLAGd2d6874d5 [2018-11-10 06:21:21,411 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2c4e8c05-d9ee-4708-96d5-2827e3687e97/bin-2019/uautomizer/data/ebb0bc3dd/b1c994db339e47b9926a022e57dd3dc3 [2018-11-10 06:21:21,414 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 06:21:21,415 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-10 06:21:21,416 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 06:21:21,416 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 06:21:21,420 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 06:21:21,420 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:21:21" (1/1) ... [2018-11-10 06:21:21,423 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79e7f328 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:21:21, skipping insertion in model container [2018-11-10 06:21:21,423 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:21:21" (1/1) ... [2018-11-10 06:21:21,432 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 06:21:21,472 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 06:21:21,722 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 06:21:21,725 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 06:21:21,792 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 06:21:21,805 INFO L193 MainTranslator]: Completed translation [2018-11-10 06:21:21,806 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:21:21 WrapperNode [2018-11-10 06:21:21,806 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 06:21:21,806 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 06:21:21,806 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 06:21:21,807 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 06:21:21,819 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:21:21" (1/1) ... [2018-11-10 06:21:21,820 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:21:21" (1/1) ... [2018-11-10 06:21:21,887 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:21:21" (1/1) ... [2018-11-10 06:21:21,888 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:21:21" (1/1) ... [2018-11-10 06:21:21,912 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:21:21" (1/1) ... [2018-11-10 06:21:21,921 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:21:21" (1/1) ... [2018-11-10 06:21:21,925 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:21:21" (1/1) ... [2018-11-10 06:21:21,930 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 06:21:21,931 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 06:21:21,931 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 06:21:21,931 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 06:21:21,932 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:21:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2c4e8c05-d9ee-4708-96d5-2827e3687e97/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 [2018-11-10 06:21:21,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 06:21:21,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 06:21:21,974 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-10 06:21:21,974 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 06:21:21,974 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-10 06:21:21,974 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-10 06:21:21,974 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-10 06:21:21,975 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-10 06:21:21,975 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 06:21:21,975 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 06:21:21,975 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 06:21:22,811 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 06:21:22,811 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 06:21:22 BoogieIcfgContainer [2018-11-10 06:21:22,811 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 06:21:22,813 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 06:21:22,813 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 06:21:22,815 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 06:21:22,815 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 06:21:21" (1/3) ... [2018-11-10 06:21:22,816 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f70c9e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 06:21:22, skipping insertion in model container [2018-11-10 06:21:22,816 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:21:21" (2/3) ... [2018-11-10 06:21:22,817 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f70c9e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 06:21:22, skipping insertion in model container [2018-11-10 06:21:22,817 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 06:21:22" (3/3) ... [2018-11-10 06:21:22,818 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label54_true-unreach-call_false-termination.c [2018-11-10 06:21:22,826 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 06:21:22,832 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 06:21:22,843 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 06:21:22,869 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 06:21:22,869 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 06:21:22,870 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 06:21:22,870 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 06:21:22,870 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 06:21:22,870 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 06:21:22,870 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 06:21:22,870 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 06:21:22,870 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 06:21:22,889 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states. [2018-11-10 06:21:22,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-11-10 06:21:22,900 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 06:21:22,901 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 06:21:22,904 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 06:21:22,909 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 06:21:22,909 INFO L82 PathProgramCache]: Analyzing trace with hash -1112346027, now seen corresponding path program 1 times [2018-11-10 06:21:22,911 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 06:21:22,911 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 06:21:22,951 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 06:21:22,951 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 06:21:22,951 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 06:21:23,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:21:23,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 06:21:23,287 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 06:21:23,287 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 06:21:23,292 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 06:21:23,304 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 06:21:23,305 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 06:21:23,307 INFO L87 Difference]: Start difference. First operand 208 states. Second operand 3 states. [2018-11-10 06:21:23,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 06:21:23,904 INFO L93 Difference]: Finished difference Result 550 states and 941 transitions. [2018-11-10 06:21:23,904 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 06:21:23,905 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 129 [2018-11-10 06:21:23,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 06:21:23,919 INFO L225 Difference]: With dead ends: 550 [2018-11-10 06:21:23,919 INFO L226 Difference]: Without dead ends: 340 [2018-11-10 06:21:23,923 INFO L605 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 [2018-11-10 06:21:23,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2018-11-10 06:21:23,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 340. [2018-11-10 06:21:23,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states. [2018-11-10 06:21:23,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 571 transitions. [2018-11-10 06:21:23,973 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 571 transitions. Word has length 129 [2018-11-10 06:21:23,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 06:21:23,974 INFO L481 AbstractCegarLoop]: Abstraction has 340 states and 571 transitions. [2018-11-10 06:21:23,974 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 06:21:23,974 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 571 transitions. [2018-11-10 06:21:23,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-10 06:21:23,977 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 06:21:23,978 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 06:21:23,978 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 06:21:23,978 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 06:21:23,979 INFO L82 PathProgramCache]: Analyzing trace with hash 167090318, now seen corresponding path program 1 times [2018-11-10 06:21:23,979 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 06:21:23,979 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 06:21:23,980 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 06:21:23,980 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 06:21:23,980 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 06:21:24,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:21:24,150 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 06:21:24,151 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 06:21:24,151 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 06:21:24,152 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 06:21:24,153 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 06:21:24,153 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 06:21:24,153 INFO L87 Difference]: Start difference. First operand 340 states and 571 transitions. Second operand 3 states. [2018-11-10 06:21:24,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 06:21:24,524 INFO L93 Difference]: Finished difference Result 946 states and 1655 transitions. [2018-11-10 06:21:24,524 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 06:21:24,524 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 147 [2018-11-10 06:21:24,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 06:21:24,528 INFO L225 Difference]: With dead ends: 946 [2018-11-10 06:21:24,528 INFO L226 Difference]: Without dead ends: 612 [2018-11-10 06:21:24,531 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 06:21:24,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 612 states. [2018-11-10 06:21:24,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 612 to 612. [2018-11-10 06:21:24,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 612 states. [2018-11-10 06:21:24,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 612 states and 985 transitions. [2018-11-10 06:21:24,553 INFO L78 Accepts]: Start accepts. Automaton has 612 states and 985 transitions. Word has length 147 [2018-11-10 06:21:24,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 06:21:24,553 INFO L481 AbstractCegarLoop]: Abstraction has 612 states and 985 transitions. [2018-11-10 06:21:24,553 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 06:21:24,553 INFO L276 IsEmpty]: Start isEmpty. Operand 612 states and 985 transitions. [2018-11-10 06:21:24,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-11-10 06:21:24,557 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 06:21:24,557 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 06:21:24,557 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 06:21:24,557 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 06:21:24,558 INFO L82 PathProgramCache]: Analyzing trace with hash 792982298, now seen corresponding path program 1 times [2018-11-10 06:21:24,558 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 06:21:24,558 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 06:21:24,559 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 06:21:24,559 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 06:21:24,559 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 06:21:24,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:21:24,682 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 06:21:24,682 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 06:21:24,682 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-10 06:21:24,683 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-10 06:21:24,683 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 06:21:24,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-10 06:21:24,683 INFO L87 Difference]: Start difference. First operand 612 states and 985 transitions. Second operand 6 states. [2018-11-10 06:21:25,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 06:21:25,401 INFO L93 Difference]: Finished difference Result 1816 states and 2955 transitions. [2018-11-10 06:21:25,402 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-10 06:21:25,402 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 174 [2018-11-10 06:21:25,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 06:21:25,410 INFO L225 Difference]: With dead ends: 1816 [2018-11-10 06:21:25,410 INFO L226 Difference]: Without dead ends: 1210 [2018-11-10 06:21:25,414 INFO L605 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 [2018-11-10 06:21:25,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1210 states. [2018-11-10 06:21:25,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1210 to 1196. [2018-11-10 06:21:25,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1196 states. [2018-11-10 06:21:25,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1196 states to 1196 states and 1733 transitions. [2018-11-10 06:21:25,462 INFO L78 Accepts]: Start accepts. Automaton has 1196 states and 1733 transitions. Word has length 174 [2018-11-10 06:21:25,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 06:21:25,463 INFO L481 AbstractCegarLoop]: Abstraction has 1196 states and 1733 transitions. [2018-11-10 06:21:25,463 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-10 06:21:25,463 INFO L276 IsEmpty]: Start isEmpty. Operand 1196 states and 1733 transitions. [2018-11-10 06:21:25,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-11-10 06:21:25,468 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 06:21:25,469 INFO L375 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, 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, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 06:21:25,469 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 06:21:25,469 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 06:21:25,470 INFO L82 PathProgramCache]: Analyzing trace with hash 1874239161, now seen corresponding path program 1 times [2018-11-10 06:21:25,470 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 06:21:25,470 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 06:21:25,471 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 06:21:25,471 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 06:21:25,471 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 06:21:25,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:21:25,620 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 50 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-10 06:21:25,620 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 06:21:25,621 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2c4e8c05-d9ee-4708-96d5-2827e3687e97/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 [2018-11-10 06:21:25,636 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 06:21:25,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:21:25,743 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 06:21:25,853 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-11-10 06:21:25,886 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-10 06:21:25,886 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9 [2018-11-10 06:21:25,886 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-10 06:21:25,887 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-10 06:21:25,887 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2018-11-10 06:21:25,887 INFO L87 Difference]: Start difference. First operand 1196 states and 1733 transitions. Second operand 9 states. [2018-11-10 06:21:26,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 06:21:26,948 INFO L93 Difference]: Finished difference Result 3026 states and 4676 transitions. [2018-11-10 06:21:26,949 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-10 06:21:26,949 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 185 [2018-11-10 06:21:26,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 06:21:26,960 INFO L225 Difference]: With dead ends: 3026 [2018-11-10 06:21:26,960 INFO L226 Difference]: Without dead ends: 1836 [2018-11-10 06:21:26,966 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 187 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2018-11-10 06:21:26,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1836 states. [2018-11-10 06:21:27,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1836 to 1749. [2018-11-10 06:21:27,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1749 states. [2018-11-10 06:21:27,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1749 states to 1749 states and 2410 transitions. [2018-11-10 06:21:27,025 INFO L78 Accepts]: Start accepts. Automaton has 1749 states and 2410 transitions. Word has length 185 [2018-11-10 06:21:27,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 06:21:27,026 INFO L481 AbstractCegarLoop]: Abstraction has 1749 states and 2410 transitions. [2018-11-10 06:21:27,026 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-10 06:21:27,026 INFO L276 IsEmpty]: Start isEmpty. Operand 1749 states and 2410 transitions. [2018-11-10 06:21:27,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2018-11-10 06:21:27,032 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 06:21:27,032 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 06:21:27,032 INFO L424 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 06:21:27,032 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 06:21:27,032 INFO L82 PathProgramCache]: Analyzing trace with hash -1542941171, now seen corresponding path program 1 times [2018-11-10 06:21:27,033 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 06:21:27,033 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 06:21:27,033 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 06:21:27,033 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 06:21:27,034 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 06:21:27,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:21:27,154 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 61 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 06:21:27,154 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 06:21:27,154 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2c4e8c05-d9ee-4708-96d5-2827e3687e97/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 [2018-11-10 06:21:27,162 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 06:21:27,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:21:27,239 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 06:21:27,277 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 06:21:27,304 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-10 06:21:27,304 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2018-11-10 06:21:27,305 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-10 06:21:27,305 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-10 06:21:27,305 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-10 06:21:27,305 INFO L87 Difference]: Start difference. First operand 1749 states and 2410 transitions. Second operand 7 states. [2018-11-10 06:21:28,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 06:21:28,743 INFO L93 Difference]: Finished difference Result 5097 states and 7528 transitions. [2018-11-10 06:21:28,744 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-10 06:21:28,744 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 186 [2018-11-10 06:21:28,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 06:21:28,745 INFO L225 Difference]: With dead ends: 5097 [2018-11-10 06:21:28,745 INFO L226 Difference]: Without dead ends: 0 [2018-11-10 06:21:28,764 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 194 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2018-11-10 06:21:28,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-10 06:21:28,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-10 06:21:28,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-10 06:21:28,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-10 06:21:28,765 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 186 [2018-11-10 06:21:28,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 06:21:28,765 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 06:21:28,765 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-10 06:21:28,765 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-10 06:21:28,765 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 06:21:28,770 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-10 06:21:28,834 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 06:21:28,835 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 06:21:28,839 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 06:21:28,841 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 06:21:28,844 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 06:21:28,845 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 06:21:28,848 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 06:21:28,852 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 06:21:28,867 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 06:21:28,868 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 06:21:28,871 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 06:21:28,873 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 06:21:28,876 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 06:21:28,876 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 06:21:28,879 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 06:21:28,884 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 06:21:29,081 WARN L179 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 40 [2018-11-10 06:21:29,226 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-10 06:21:29,226 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a7~0)| ~a7~0) (= |old(~a16~0)| ~a16~0) (= ~a21~0 |old(~a21~0)|)) [2018-11-10 06:21:29,226 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-10 06:21:29,226 INFO L425 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-11-10 06:21:29,227 INFO L425 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-11-10 06:21:29,227 INFO L425 ceAbstractionStarter]: For program point L565(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:21:29,227 INFO L425 ceAbstractionStarter]: For program point L532(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:21:29,227 INFO L425 ceAbstractionStarter]: For program point L499(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:21:29,227 INFO L425 ceAbstractionStarter]: For program point L466(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:21:29,227 INFO L425 ceAbstractionStarter]: For program point L433(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:21:29,227 INFO L425 ceAbstractionStarter]: For program point L400(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:21:29,227 INFO L425 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-11-10 06:21:29,227 INFO L425 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-11-10 06:21:29,227 INFO L425 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-11-10 06:21:29,227 INFO L425 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-11-10 06:21:29,227 INFO L425 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-11-10 06:21:29,227 INFO L425 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-11-10 06:21:29,228 INFO L425 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-11-10 06:21:29,228 INFO L425 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-11-10 06:21:29,228 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-11-10 06:21:29,228 INFO L425 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-11-10 06:21:29,228 INFO L425 ceAbstractionStarter]: For program point L568(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:21:29,228 INFO L425 ceAbstractionStarter]: For program point L535(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:21:29,228 INFO L425 ceAbstractionStarter]: For program point L502(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:21:29,228 INFO L425 ceAbstractionStarter]: For program point L469(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:21:29,228 INFO L425 ceAbstractionStarter]: For program point L436(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:21:29,228 INFO L425 ceAbstractionStarter]: For program point L403(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:21:29,228 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-11-10 06:21:29,228 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-11-10 06:21:29,228 INFO L425 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-11-10 06:21:29,228 INFO L425 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-11-10 06:21:29,229 INFO L425 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-11-10 06:21:29,229 INFO L425 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-11-10 06:21:29,229 INFO L425 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-11-10 06:21:29,229 INFO L425 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-11-10 06:21:29,229 INFO L425 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-11-10 06:21:29,229 INFO L425 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-11-10 06:21:29,229 INFO L425 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-11-10 06:21:29,229 INFO L425 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-11-10 06:21:29,229 INFO L425 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-11-10 06:21:29,229 INFO L425 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-11-10 06:21:29,229 INFO L425 ceAbstractionStarter]: For program point L571(lines 571 573) no Hoare annotation was computed. [2018-11-10 06:21:29,229 INFO L425 ceAbstractionStarter]: For program point L538(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:21:29,230 INFO L425 ceAbstractionStarter]: For program point L505(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:21:29,230 INFO L425 ceAbstractionStarter]: For program point L472(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:21:29,230 INFO L425 ceAbstractionStarter]: For program point L439(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:21:29,230 INFO L425 ceAbstractionStarter]: For program point L406(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:21:29,230 INFO L425 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-11-10 06:21:29,230 INFO L425 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-11-10 06:21:29,230 INFO L425 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-11-10 06:21:29,230 INFO L425 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-11-10 06:21:29,230 INFO L425 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-11-10 06:21:29,230 INFO L425 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-11-10 06:21:29,230 INFO L425 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-11-10 06:21:29,230 INFO L425 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-11-10 06:21:29,230 INFO L425 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-11-10 06:21:29,231 INFO L425 ceAbstractionStarter]: For program point L508(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:21:29,231 INFO L425 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:21:29,231 INFO L425 ceAbstractionStarter]: For program point L475(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:21:29,231 INFO L425 ceAbstractionStarter]: For program point L442(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:21:29,231 INFO L425 ceAbstractionStarter]: For program point L409(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:21:29,231 INFO L425 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-11-10 06:21:29,231 INFO L425 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-11-10 06:21:29,231 INFO L425 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-11-10 06:21:29,231 INFO L425 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-11-10 06:21:29,231 INFO L425 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-11-10 06:21:29,231 INFO L425 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-11-10 06:21:29,231 INFO L425 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-11-10 06:21:29,231 INFO L425 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-11-10 06:21:29,231 INFO L425 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-11-10 06:21:29,232 INFO L425 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-11-10 06:21:29,232 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-11-10 06:21:29,232 INFO L425 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-11-10 06:21:29,232 INFO L425 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-11-10 06:21:29,232 INFO L425 ceAbstractionStarter]: For program point L544(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:21:29,232 INFO L425 ceAbstractionStarter]: For program point L511(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:21:29,232 INFO L425 ceAbstractionStarter]: For program point L478(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:21:29,232 INFO L425 ceAbstractionStarter]: For program point L445(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:21:29,232 INFO L425 ceAbstractionStarter]: For program point L412(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:21:29,232 INFO L425 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-11-10 06:21:29,232 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-11-10 06:21:29,232 INFO L425 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-11-10 06:21:29,232 INFO L425 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-11-10 06:21:29,232 INFO L425 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-11-10 06:21:29,232 INFO L425 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-11-10 06:21:29,233 INFO L425 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-11-10 06:21:29,233 INFO L425 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-11-10 06:21:29,233 INFO L425 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-11-10 06:21:29,233 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:21:29,233 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:21:29,233 INFO L425 ceAbstractionStarter]: For program point L547(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:21:29,233 INFO L425 ceAbstractionStarter]: For program point L514(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:21:29,233 INFO L425 ceAbstractionStarter]: For program point L481(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:21:29,233 INFO L425 ceAbstractionStarter]: For program point L448(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:21:29,233 INFO L425 ceAbstractionStarter]: For program point L415(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:21:29,233 INFO L425 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-11-10 06:21:29,233 INFO L425 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-11-10 06:21:29,233 INFO L425 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-11-10 06:21:29,233 INFO L425 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-11-10 06:21:29,234 INFO L425 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-11-10 06:21:29,234 INFO L425 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-11-10 06:21:29,234 INFO L425 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-11-10 06:21:29,234 INFO L425 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-11-10 06:21:29,234 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-11-10 06:21:29,234 INFO L425 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-11-10 06:21:29,234 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-11-10 06:21:29,234 INFO L425 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-11-10 06:21:29,234 INFO L425 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-11-10 06:21:29,234 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-11-10 06:21:29,234 INFO L425 ceAbstractionStarter]: For program point L550(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:21:29,234 INFO L425 ceAbstractionStarter]: For program point L517(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:21:29,234 INFO L425 ceAbstractionStarter]: For program point L484(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:21:29,235 INFO L425 ceAbstractionStarter]: For program point L451(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:21:29,235 INFO L425 ceAbstractionStarter]: For program point L418(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:21:29,235 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-11-10 06:21:29,235 INFO L425 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-11-10 06:21:29,235 INFO L425 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-11-10 06:21:29,235 INFO L425 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-11-10 06:21:29,235 INFO L425 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-11-10 06:21:29,235 INFO L425 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-11-10 06:21:29,235 INFO L425 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-11-10 06:21:29,235 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-11-10 06:21:29,235 INFO L425 ceAbstractionStarter]: For program point L553(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:21:29,235 INFO L425 ceAbstractionStarter]: For program point L520(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:21:29,235 INFO L425 ceAbstractionStarter]: For program point L487(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:21:29,235 INFO L425 ceAbstractionStarter]: For program point L454(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:21:29,236 INFO L425 ceAbstractionStarter]: For program point L421(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:21:29,236 INFO L425 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-11-10 06:21:29,236 INFO L425 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-11-10 06:21:29,236 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-11-10 06:21:29,236 INFO L425 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-11-10 06:21:29,236 INFO L425 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-11-10 06:21:29,236 INFO L425 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-11-10 06:21:29,236 INFO L425 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-11-10 06:21:29,236 INFO L425 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-11-10 06:21:29,236 INFO L425 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-11-10 06:21:29,236 INFO L425 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-11-10 06:21:29,237 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse0 (= |old(~a7~0)| ~a7~0)) (.cse1 (= |old(~a16~0)| ~a16~0)) (.cse2 (not (= ~a8~0 14))) (.cse4 (= ~a21~0 |old(~a21~0)|))) (let ((.cse8 (= 1 |old(~a7~0)|)) (.cse5 (= 14 |old(~a8~0)|)) (.cse9 (and .cse0 .cse1 .cse2 .cse4)) (.cse7 (not (= 1 |old(~a21~0)|))) (.cse10 (< 5 |old(~a16~0)|)) (.cse3 (not (= ~a17~0 1))) (.cse6 (= 1 |old(~a17~0)|))) (and (or (and .cse0 .cse1 .cse2 .cse3 .cse4) .cse5 .cse6) (or .cse7 .cse8 (and .cse0 .cse1 .cse4) (< 4 |old(~a16~0)|)) (or .cse7 .cse8 .cse5 .cse9) (or .cse10 .cse5 .cse9) (or .cse7 .cse10 (and .cse0 .cse1 .cse3 .cse4) .cse6)))) [2018-11-10 06:21:29,237 INFO L425 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-11-10 06:21:29,237 INFO L425 ceAbstractionStarter]: For program point L556(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:21:29,237 INFO L425 ceAbstractionStarter]: For program point L523(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:21:29,237 INFO L425 ceAbstractionStarter]: For program point L490(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:21:29,237 INFO L425 ceAbstractionStarter]: For program point L457(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:21:29,237 INFO L425 ceAbstractionStarter]: For program point L424(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:21:29,237 INFO L425 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-11-10 06:21:29,237 INFO L425 ceAbstractionStarter]: For program point L391-1(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:21:29,237 INFO L425 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-11-10 06:21:29,237 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 542) no Hoare annotation was computed. [2018-11-10 06:21:29,238 INFO L425 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-11-10 06:21:29,238 INFO L425 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-11-10 06:21:29,238 INFO L425 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-11-10 06:21:29,238 INFO L425 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-11-10 06:21:29,238 INFO L425 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-11-10 06:21:29,238 INFO L425 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-11-10 06:21:29,238 INFO L425 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-11-10 06:21:29,238 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-11-10 06:21:29,238 INFO L425 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-11-10 06:21:29,238 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-11-10 06:21:29,238 INFO L425 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-11-10 06:21:29,238 INFO L425 ceAbstractionStarter]: For program point L559(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:21:29,239 INFO L425 ceAbstractionStarter]: For program point L526(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:21:29,239 INFO L425 ceAbstractionStarter]: For program point L493(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:21:29,239 INFO L425 ceAbstractionStarter]: For program point L460(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:21:29,239 INFO L425 ceAbstractionStarter]: For program point L427(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:21:29,239 INFO L425 ceAbstractionStarter]: For program point L394(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:21:29,239 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-11-10 06:21:29,239 INFO L425 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-11-10 06:21:29,239 INFO L425 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-11-10 06:21:29,239 INFO L425 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-11-10 06:21:29,239 INFO L425 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-11-10 06:21:29,239 INFO L425 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-11-10 06:21:29,239 INFO L425 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-11-10 06:21:29,239 INFO L425 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-11-10 06:21:29,239 INFO L425 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-11-10 06:21:29,240 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-11-10 06:21:29,240 INFO L425 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-11-10 06:21:29,240 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-11-10 06:21:29,240 INFO L425 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-11-10 06:21:29,240 INFO L425 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-11-10 06:21:29,240 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-11-10 06:21:29,240 INFO L425 ceAbstractionStarter]: For program point L562(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:21:29,240 INFO L425 ceAbstractionStarter]: For program point L529(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:21:29,240 INFO L425 ceAbstractionStarter]: For program point L496(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:21:29,240 INFO L425 ceAbstractionStarter]: For program point L463(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:21:29,240 INFO L425 ceAbstractionStarter]: For program point L430(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:21:29,240 INFO L425 ceAbstractionStarter]: For program point L397(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:21:29,240 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-11-10 06:21:29,240 INFO L425 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-11-10 06:21:29,241 INFO L425 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-11-10 06:21:29,241 INFO L425 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-11-10 06:21:29,241 INFO L425 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-11-10 06:21:29,241 INFO L425 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-11-10 06:21:29,241 INFO L425 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-11-10 06:21:29,241 INFO L425 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-11-10 06:21:29,241 INFO L425 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-11-10 06:21:29,241 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-11-10 06:21:29,241 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-10 06:21:29,241 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (not (= ~a7~0 1)) (<= ~a16~0 5) (= 1 ~a21~0) (not (= ~a8~0 14))) [2018-11-10 06:21:29,241 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-10 06:21:29,241 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-10 06:21:29,242 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (= 1 |old(~a21~0)|)) (= 1 |old(~a7~0)|) (< 5 |old(~a16~0)|) (= 14 |old(~a8~0)|) (and (= |old(~a7~0)| ~a7~0) (= |old(~a16~0)| ~a16~0) (not (= ~a8~0 14)) (= ~a21~0 |old(~a21~0)|))) [2018-11-10 06:21:29,242 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2018-11-10 06:21:29,242 INFO L421 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse0 (<= ~a16~0 5)) (.cse2 (not (= ~a17~0 1))) (.cse1 (not (= ~a8~0 14))) (.cse4 (not (= ~a7~0 1))) (.cse3 (= 1 ~a21~0))) (or (and .cse0 .cse1) (not (= 1 |old(~a21~0)|)) (= 14 |old(~a8~0)|) (= 1 |old(~a7~0)|) (and .cse1 .cse2) (and .cse0 .cse3 .cse2) (< 5 |old(~a16~0)|) (and .cse4 .cse3 .cse1) (and .cse4 .cse3 (<= ~a16~0 4)))) [2018-11-10 06:21:29,242 INFO L425 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2018-11-10 06:21:29,242 INFO L425 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-11-10 06:21:29,242 INFO L425 ceAbstractionStarter]: For program point L583-1(lines 583 593) no Hoare annotation was computed. [2018-11-10 06:21:29,242 INFO L421 ceAbstractionStarter]: At program point L583-3(lines 583 593) the Hoare annotation is: (let ((.cse0 (<= ~a16~0 5)) (.cse2 (not (= ~a17~0 1))) (.cse1 (not (= ~a8~0 14))) (.cse4 (not (= ~a7~0 1))) (.cse3 (= 1 ~a21~0))) (or (and .cse0 .cse1) (not (= 1 |old(~a21~0)|)) (= 14 |old(~a8~0)|) (= 1 |old(~a7~0)|) (and .cse1 .cse2) (and .cse0 .cse3 .cse2) (< 5 |old(~a16~0)|) (and .cse4 .cse3 .cse1) (and .cse4 .cse3 (<= ~a16~0 4)))) [2018-11-10 06:21:29,242 INFO L425 ceAbstractionStarter]: For program point L583-4(lines 577 594) no Hoare annotation was computed. [2018-11-10 06:21:29,255 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 06:21:29 BoogieIcfgContainer [2018-11-10 06:21:29,255 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 06:21:29,255 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 06:21:29,256 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 06:21:29,256 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 06:21:29,256 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 06:21:22" (3/4) ... [2018-11-10 06:21:29,260 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 06:21:29,270 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-10 06:21:29,270 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-10 06:21:29,271 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-10 06:21:29,279 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-10 06:21:29,279 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-10 06:21:29,305 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((a16 <= 5 && !(a8 == 14)) || !(1 == \old(a21))) || 14 == \old(a8)) || 1 == \old(a7)) || (!(a8 == 14) && !(a17 == 1))) || ((a16 <= 5 && 1 == a21) && !(a17 == 1))) || 5 < \old(a16)) || ((!(a7 == 1) && 1 == a21) && !(a8 == 14))) || ((!(a7 == 1) && 1 == a21) && a16 <= 4) [2018-11-10 06:21:29,389 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_2c4e8c05-d9ee-4708-96d5-2827e3687e97/bin-2019/uautomizer/witness.graphml [2018-11-10 06:21:29,389 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 06:21:29,390 INFO L168 Benchmark]: Toolchain (without parser) took 7975.06 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 308.3 MB). Free memory was 952.2 MB in the beginning and 971.2 MB in the end (delta: -19.1 MB). Peak memory consumption was 289.2 MB. Max. memory is 11.5 GB. [2018-11-10 06:21:29,390 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 06:21:29,391 INFO L168 Benchmark]: CACSL2BoogieTranslator took 389.91 ms. Allocated memory is still 1.0 GB. Free memory was 952.2 MB in the beginning and 922.6 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. [2018-11-10 06:21:29,391 INFO L168 Benchmark]: Boogie Preprocessor took 124.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 922.6 MB in the beginning and 1.1 GB in the end (delta: -197.2 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-11-10 06:21:29,391 INFO L168 Benchmark]: RCFGBuilder took 880.88 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: 100.9 MB). Peak memory consumption was 100.9 MB. Max. memory is 11.5 GB. [2018-11-10 06:21:29,391 INFO L168 Benchmark]: TraceAbstraction took 6442.73 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 177.2 MB). Free memory was 1.0 GB in the beginning and 987.6 MB in the end (delta: 31.3 MB). Peak memory consumption was 208.5 MB. Max. memory is 11.5 GB. [2018-11-10 06:21:29,392 INFO L168 Benchmark]: Witness Printer took 133.64 ms. Allocated memory is still 1.3 GB. Free memory was 987.6 MB in the beginning and 971.2 MB in the end (delta: 16.4 MB). Peak memory consumption was 16.4 MB. Max. memory is 11.5 GB. [2018-11-10 06:21:29,393 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 389.91 ms. Allocated memory is still 1.0 GB. Free memory was 952.2 MB in the beginning and 922.6 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 124.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 922.6 MB in the beginning and 1.1 GB in the end (delta: -197.2 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 880.88 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: 100.9 MB). Peak memory consumption was 100.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 6442.73 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 177.2 MB). Free memory was 1.0 GB in the beginning and 987.6 MB in the end (delta: 31.3 MB). Peak memory consumption was 208.5 MB. Max. memory is 11.5 GB. * Witness Printer took 133.64 ms. Allocated memory is still 1.3 GB. Free memory was 987.6 MB in the beginning and 971.2 MB in the end (delta: 16.4 MB). Peak memory consumption was 16.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 542]: 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: ((((((((a16 <= 5 && !(a8 == 14)) || !(1 == \old(a21))) || 14 == \old(a8)) || 1 == \old(a7)) || (!(a8 == 14) && !(a17 == 1))) || ((a16 <= 5 && 1 == a21) && !(a17 == 1))) || 5 < \old(a16)) || ((!(a7 == 1) && 1 == a21) && !(a8 == 14))) || ((!(a7 == 1) && 1 == a21) && a16 <= 4) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 208 locations, 1 error locations. SAFE Result, 6.3s OverallTime, 5 OverallIterations, 3 TraceHistogramMax, 4.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 654 SDtfs, 2474 SDslu, 466 SDs, 0 SdLazy, 4089 SolverSat, 1001 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 426 GetRequests, 388 SyntacticMatches, 5 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1749occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 101 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 63 PreInvPairs, 129 NumberOfFragments, 308 HoareAnnotationTreeSize, 63 FomulaSimplifications, 2886 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 931 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 1192 NumberOfCodeBlocks, 1192 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1185 ConstructedInterpolants, 0 QuantifiedInterpolants, 460323 SizeOfPredicates, 3 NumberOfNonLiveVariables, 953 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 297/305 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...