./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label55_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_ca9ccc42-3028-4661-8b7f-c687fa5cb7ec/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ca9ccc42-3028-4661-8b7f-c687fa5cb7ec/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ca9ccc42-3028-4661-8b7f-c687fa5cb7ec/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ca9ccc42-3028-4661-8b7f-c687fa5cb7ec/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label55_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_ca9ccc42-3028-4661-8b7f-c687fa5cb7ec/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ca9ccc42-3028-4661-8b7f-c687fa5cb7ec/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 d7ee2ac819f7b75cfc0560bac3b8eea31e76c5dc .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 23:41:01,006 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 23:41:01,007 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 23:41:01,028 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 23:41:01,028 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 23:41:01,029 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 23:41:01,030 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 23:41:01,031 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 23:41:01,033 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 23:41:01,033 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 23:41:01,034 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 23:41:01,034 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 23:41:01,035 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 23:41:01,036 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 23:41:01,037 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 23:41:01,037 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 23:41:01,038 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 23:41:01,040 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 23:41:01,041 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 23:41:01,043 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 23:41:01,043 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 23:41:01,045 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 23:41:01,047 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 23:41:01,047 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 23:41:01,047 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 23:41:01,049 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 23:41:01,049 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 23:41:01,050 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 23:41:01,051 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 23:41:01,051 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 23:41:01,052 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 23:41:01,053 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 23:41:01,053 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 23:41:01,053 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 23:41:01,054 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 23:41:01,054 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 23:41:01,055 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ca9ccc42-3028-4661-8b7f-c687fa5cb7ec/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-10-26 23:41:01,068 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 23:41:01,068 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 23:41:01,069 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 23:41:01,069 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 23:41:01,069 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 23:41:01,069 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 23:41:01,070 INFO L133 SettingsManager]: * Use SBE=true [2018-10-26 23:41:01,070 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 23:41:01,070 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 23:41:01,070 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 23:41:01,070 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 23:41:01,070 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 23:41:01,071 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 23:41:01,071 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 23:41:01,071 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 23:41:01,071 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 23:41:01,071 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 23:41:01,071 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 23:41:01,073 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 23:41:01,074 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 23:41:01,074 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 23:41:01,074 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 23:41:01,074 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 23:41:01,074 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 23:41:01,074 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 23:41:01,075 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 23:41:01,075 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-26 23:41:01,075 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 23:41:01,075 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 23:41:01,075 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_ca9ccc42-3028-4661-8b7f-c687fa5cb7ec/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 -> d7ee2ac819f7b75cfc0560bac3b8eea31e76c5dc [2018-10-26 23:41:01,103 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 23:41:01,115 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 23:41:01,122 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 23:41:01,123 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 23:41:01,124 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 23:41:01,125 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ca9ccc42-3028-4661-8b7f-c687fa5cb7ec/bin-2019/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem14_label55_true-unreach-call_false-termination.c [2018-10-26 23:41:01,183 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ca9ccc42-3028-4661-8b7f-c687fa5cb7ec/bin-2019/uautomizer/data/a878cb6e4/ac058aa7b3344173aacf9964ed5440a4/FLAG6010b1f03 [2018-10-26 23:41:01,665 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 23:41:01,666 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ca9ccc42-3028-4661-8b7f-c687fa5cb7ec/sv-benchmarks/c/eca-rers2012/Problem14_label55_true-unreach-call_false-termination.c [2018-10-26 23:41:01,681 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ca9ccc42-3028-4661-8b7f-c687fa5cb7ec/bin-2019/uautomizer/data/a878cb6e4/ac058aa7b3344173aacf9964ed5440a4/FLAG6010b1f03 [2018-10-26 23:41:01,694 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ca9ccc42-3028-4661-8b7f-c687fa5cb7ec/bin-2019/uautomizer/data/a878cb6e4/ac058aa7b3344173aacf9964ed5440a4 [2018-10-26 23:41:01,697 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 23:41:01,698 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-26 23:41:01,699 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 23:41:01,699 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 23:41:01,703 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 23:41:01,704 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 11:41:01" (1/1) ... [2018-10-26 23:41:01,706 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@eb7a7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:41:01, skipping insertion in model container [2018-10-26 23:41:01,707 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 11:41:01" (1/1) ... [2018-10-26 23:41:01,717 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 23:41:01,778 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 23:41:02,125 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 23:41:02,129 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 23:41:02,249 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 23:41:02,268 INFO L193 MainTranslator]: Completed translation [2018-10-26 23:41:02,269 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:41:02 WrapperNode [2018-10-26 23:41:02,269 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 23:41:02,269 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 23:41:02,270 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 23:41:02,270 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 23:41:02,283 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:41:02" (1/1) ... [2018-10-26 23:41:02,283 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:41:02" (1/1) ... [2018-10-26 23:41:02,307 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:41:02" (1/1) ... [2018-10-26 23:41:02,316 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:41:02" (1/1) ... [2018-10-26 23:41:02,367 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:41:02" (1/1) ... [2018-10-26 23:41:02,526 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:41:02" (1/1) ... [2018-10-26 23:41:02,537 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:41:02" (1/1) ... [2018-10-26 23:41:02,557 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 23:41:02,558 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 23:41:02,558 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 23:41:02,558 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 23:41:02,559 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:41:02" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ca9ccc42-3028-4661-8b7f-c687fa5cb7ec/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 [2018-10-26 23:41:02,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-26 23:41:02,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 23:41:02,619 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-26 23:41:02,619 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-26 23:41:02,620 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-26 23:41:02,620 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-10-26 23:41:02,620 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-10-26 23:41:02,620 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-10-26 23:41:02,620 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-26 23:41:02,620 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-26 23:41:02,621 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 23:41:05,722 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 23:41:05,723 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 11:41:05 BoogieIcfgContainer [2018-10-26 23:41:05,723 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 23:41:05,724 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 23:41:05,724 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 23:41:05,726 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 23:41:05,726 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 11:41:01" (1/3) ... [2018-10-26 23:41:05,727 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@210c4229 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 11:41:05, skipping insertion in model container [2018-10-26 23:41:05,727 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:41:02" (2/3) ... [2018-10-26 23:41:05,727 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@210c4229 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 11:41:05, skipping insertion in model container [2018-10-26 23:41:05,727 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 11:41:05" (3/3) ... [2018-10-26 23:41:05,729 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem14_label55_true-unreach-call_false-termination.c [2018-10-26 23:41:05,737 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 23:41:05,744 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-26 23:41:05,758 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-26 23:41:05,787 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-26 23:41:05,787 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 23:41:05,787 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 23:41:05,788 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 23:41:05,788 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 23:41:05,788 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 23:41:05,789 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 23:41:05,789 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 23:41:05,789 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 23:41:05,810 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states. [2018-10-26 23:41:05,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-10-26 23:41:05,818 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:41:05,819 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] [2018-10-26 23:41:05,821 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:41:05,826 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:41:05,826 INFO L82 PathProgramCache]: Analyzing trace with hash -353931284, now seen corresponding path program 1 times [2018-10-26 23:41:05,828 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 23:41:05,829 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 23:41:05,873 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:41:05,873 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:41:05,874 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:41:05,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:41:06,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:41:06,234 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 23:41:06,234 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-26 23:41:06,238 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-26 23:41:06,249 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-26 23:41:06,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-26 23:41:06,252 INFO L87 Difference]: Start difference. First operand 255 states. Second operand 4 states. [2018-10-26 23:41:07,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 23:41:07,983 INFO L93 Difference]: Finished difference Result 894 states and 1611 transitions. [2018-10-26 23:41:07,985 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 23:41:07,986 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 64 [2018-10-26 23:41:07,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 23:41:08,000 INFO L225 Difference]: With dead ends: 894 [2018-10-26 23:41:08,001 INFO L226 Difference]: Without dead ends: 633 [2018-10-26 23:41:08,007 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-26 23:41:08,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 633 states. [2018-10-26 23:41:08,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 633 to 633. [2018-10-26 23:41:08,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 633 states. [2018-10-26 23:41:08,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 633 states to 633 states and 1007 transitions. [2018-10-26 23:41:08,078 INFO L78 Accepts]: Start accepts. Automaton has 633 states and 1007 transitions. Word has length 64 [2018-10-26 23:41:08,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 23:41:08,078 INFO L481 AbstractCegarLoop]: Abstraction has 633 states and 1007 transitions. [2018-10-26 23:41:08,078 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-26 23:41:08,078 INFO L276 IsEmpty]: Start isEmpty. Operand 633 states and 1007 transitions. [2018-10-26 23:41:08,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-10-26 23:41:08,085 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:41:08,086 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-10-26 23:41:08,086 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:41:08,086 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:41:08,086 INFO L82 PathProgramCache]: Analyzing trace with hash 835688739, now seen corresponding path program 1 times [2018-10-26 23:41:08,086 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 23:41:08,087 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 23:41:08,087 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:41:08,088 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:41:08,088 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:41:08,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:41:08,367 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:41:08,368 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 23:41:08,368 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-26 23:41:08,370 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-26 23:41:08,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-26 23:41:08,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-26 23:41:08,372 INFO L87 Difference]: Start difference. First operand 633 states and 1007 transitions. Second operand 4 states. [2018-10-26 23:41:10,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 23:41:10,330 INFO L93 Difference]: Finished difference Result 2358 states and 3926 transitions. [2018-10-26 23:41:10,331 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 23:41:10,331 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 177 [2018-10-26 23:41:10,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 23:41:10,342 INFO L225 Difference]: With dead ends: 2358 [2018-10-26 23:41:10,342 INFO L226 Difference]: Without dead ends: 1731 [2018-10-26 23:41:10,347 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-26 23:41:10,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1731 states. [2018-10-26 23:41:10,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1731 to 1731. [2018-10-26 23:41:10,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1731 states. [2018-10-26 23:41:10,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1731 states to 1731 states and 2621 transitions. [2018-10-26 23:41:10,403 INFO L78 Accepts]: Start accepts. Automaton has 1731 states and 2621 transitions. Word has length 177 [2018-10-26 23:41:10,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 23:41:10,403 INFO L481 AbstractCegarLoop]: Abstraction has 1731 states and 2621 transitions. [2018-10-26 23:41:10,404 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-26 23:41:10,404 INFO L276 IsEmpty]: Start isEmpty. Operand 1731 states and 2621 transitions. [2018-10-26 23:41:10,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2018-10-26 23:41:10,412 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:41:10,412 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 23:41:10,413 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:41:10,413 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:41:10,413 INFO L82 PathProgramCache]: Analyzing trace with hash -1405952572, now seen corresponding path program 1 times [2018-10-26 23:41:10,413 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 23:41:10,413 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 23:41:10,414 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:41:10,414 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:41:10,414 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:41:10,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:41:10,994 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 196 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:41:10,994 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 23:41:10,994 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ca9ccc42-3028-4661-8b7f-c687fa5cb7ec/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 [2018-10-26 23:41:11,011 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:41:11,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:41:11,085 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 23:41:11,296 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 196 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:41:11,325 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-26 23:41:11,325 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2018-10-26 23:41:11,330 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-26 23:41:11,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-26 23:41:11,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2018-10-26 23:41:11,331 INFO L87 Difference]: Start difference. First operand 1731 states and 2621 transitions. Second operand 9 states. [2018-10-26 23:41:15,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 23:41:15,417 INFO L93 Difference]: Finished difference Result 5315 states and 8807 transitions. [2018-10-26 23:41:15,417 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-10-26 23:41:15,417 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 260 [2018-10-26 23:41:15,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 23:41:15,439 INFO L225 Difference]: With dead ends: 5315 [2018-10-26 23:41:15,439 INFO L226 Difference]: Without dead ends: 2965 [2018-10-26 23:41:15,463 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 283 GetRequests, 267 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=99, Invalid=207, Unknown=0, NotChecked=0, Total=306 [2018-10-26 23:41:15,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2965 states. [2018-10-26 23:41:15,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2965 to 2900. [2018-10-26 23:41:15,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2900 states. [2018-10-26 23:41:15,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2900 states to 2900 states and 4107 transitions. [2018-10-26 23:41:15,566 INFO L78 Accepts]: Start accepts. Automaton has 2900 states and 4107 transitions. Word has length 260 [2018-10-26 23:41:15,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 23:41:15,567 INFO L481 AbstractCegarLoop]: Abstraction has 2900 states and 4107 transitions. [2018-10-26 23:41:15,567 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-26 23:41:15,567 INFO L276 IsEmpty]: Start isEmpty. Operand 2900 states and 4107 transitions. [2018-10-26 23:41:15,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2018-10-26 23:41:15,602 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:41:15,602 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 23:41:15,603 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:41:15,603 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:41:15,603 INFO L82 PathProgramCache]: Analyzing trace with hash 1165177760, now seen corresponding path program 1 times [2018-10-26 23:41:15,603 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 23:41:15,604 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 23:41:15,604 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:41:15,604 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:41:15,605 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:41:15,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:41:15,961 WARN L179 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2018-10-26 23:41:16,220 WARN L179 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 10 [2018-10-26 23:41:16,407 WARN L179 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 18 [2018-10-26 23:41:16,625 WARN L179 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2018-10-26 23:41:17,085 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 199 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:41:17,085 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 23:41:17,086 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ca9ccc42-3028-4661-8b7f-c687fa5cb7ec/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 [2018-10-26 23:41:17,103 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:41:17,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:41:17,185 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 23:41:17,283 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2018-10-26 23:41:17,304 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-26 23:41:17,304 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [11] total 12 [2018-10-26 23:41:17,305 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-10-26 23:41:17,305 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-10-26 23:41:17,305 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2018-10-26 23:41:17,306 INFO L87 Difference]: Start difference. First operand 2900 states and 4107 transitions. Second operand 12 states. [2018-10-26 23:41:21,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 23:41:21,360 INFO L93 Difference]: Finished difference Result 10284 states and 16767 transitions. [2018-10-26 23:41:21,360 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-10-26 23:41:21,360 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 264 [2018-10-26 23:41:21,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 23:41:21,420 INFO L225 Difference]: With dead ends: 10284 [2018-10-26 23:41:21,420 INFO L226 Difference]: Without dead ends: 7390 [2018-10-26 23:41:21,460 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 293 GetRequests, 273 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=139, Invalid=281, Unknown=0, NotChecked=0, Total=420 [2018-10-26 23:41:21,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7390 states. [2018-10-26 23:41:21,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7390 to 7076. [2018-10-26 23:41:21,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7076 states. [2018-10-26 23:41:21,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7076 states to 7076 states and 9911 transitions. [2018-10-26 23:41:21,763 INFO L78 Accepts]: Start accepts. Automaton has 7076 states and 9911 transitions. Word has length 264 [2018-10-26 23:41:21,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 23:41:21,764 INFO L481 AbstractCegarLoop]: Abstraction has 7076 states and 9911 transitions. [2018-10-26 23:41:21,764 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-10-26 23:41:21,764 INFO L276 IsEmpty]: Start isEmpty. Operand 7076 states and 9911 transitions. [2018-10-26 23:41:21,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2018-10-26 23:41:21,788 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:41:21,788 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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] [2018-10-26 23:41:21,789 INFO L424 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:41:21,789 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:41:21,789 INFO L82 PathProgramCache]: Analyzing trace with hash -470539796, now seen corresponding path program 1 times [2018-10-26 23:41:21,789 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 23:41:21,789 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 23:41:21,790 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:41:21,792 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:41:21,793 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:41:21,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:41:22,006 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 208 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:41:22,006 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 23:41:22,006 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ca9ccc42-3028-4661-8b7f-c687fa5cb7ec/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 [2018-10-26 23:41:22,013 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:41:22,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:41:22,067 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 23:41:22,166 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 208 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:41:22,184 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-26 23:41:22,185 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2018-10-26 23:41:22,185 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-26 23:41:22,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-26 23:41:22,185 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2018-10-26 23:41:22,186 INFO L87 Difference]: Start difference. First operand 7076 states and 9911 transitions. Second operand 9 states. [2018-10-26 23:41:24,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 23:41:24,727 INFO L93 Difference]: Finished difference Result 13982 states and 19848 transitions. [2018-10-26 23:41:24,728 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-10-26 23:41:24,728 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 272 [2018-10-26 23:41:24,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 23:41:24,758 INFO L225 Difference]: With dead ends: 13982 [2018-10-26 23:41:24,758 INFO L226 Difference]: Without dead ends: 5702 [2018-10-26 23:41:24,784 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 293 GetRequests, 278 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=89, Invalid=183, Unknown=0, NotChecked=0, Total=272 [2018-10-26 23:41:24,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5702 states. [2018-10-26 23:41:24,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5702 to 5436. [2018-10-26 23:41:24,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5436 states. [2018-10-26 23:41:24,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5436 states to 5436 states and 6957 transitions. [2018-10-26 23:41:24,950 INFO L78 Accepts]: Start accepts. Automaton has 5436 states and 6957 transitions. Word has length 272 [2018-10-26 23:41:24,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 23:41:24,951 INFO L481 AbstractCegarLoop]: Abstraction has 5436 states and 6957 transitions. [2018-10-26 23:41:24,951 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-26 23:41:24,951 INFO L276 IsEmpty]: Start isEmpty. Operand 5436 states and 6957 transitions. [2018-10-26 23:41:24,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-10-26 23:41:24,969 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:41:24,969 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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] [2018-10-26 23:41:24,969 INFO L424 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:41:24,970 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:41:24,970 INFO L82 PathProgramCache]: Analyzing trace with hash 1742187711, now seen corresponding path program 1 times [2018-10-26 23:41:24,970 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 23:41:24,970 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 23:41:24,971 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:41:24,971 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:41:24,971 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:41:25,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:41:25,270 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 165 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:41:25,271 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 23:41:25,271 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ca9ccc42-3028-4661-8b7f-c687fa5cb7ec/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 [2018-10-26 23:41:25,279 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:41:25,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:41:25,326 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 23:41:25,440 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2018-10-26 23:41:25,472 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-26 23:41:25,473 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2018-10-26 23:41:25,473 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-26 23:41:25,474 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-26 23:41:25,474 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-10-26 23:41:25,474 INFO L87 Difference]: Start difference. First operand 5436 states and 6957 transitions. Second operand 9 states. [2018-10-26 23:41:28,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 23:41:28,449 INFO L93 Difference]: Finished difference Result 13123 states and 18162 transitions. [2018-10-26 23:41:28,449 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-10-26 23:41:28,449 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 283 [2018-10-26 23:41:28,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 23:41:28,486 INFO L225 Difference]: With dead ends: 13123 [2018-10-26 23:41:28,486 INFO L226 Difference]: Without dead ends: 5736 [2018-10-26 23:41:28,523 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 311 GetRequests, 293 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=118, Invalid=262, Unknown=0, NotChecked=0, Total=380 [2018-10-26 23:41:28,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5736 states. [2018-10-26 23:41:28,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5736 to 5379. [2018-10-26 23:41:28,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5379 states. [2018-10-26 23:41:28,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5379 states to 5379 states and 6269 transitions. [2018-10-26 23:41:28,678 INFO L78 Accepts]: Start accepts. Automaton has 5379 states and 6269 transitions. Word has length 283 [2018-10-26 23:41:28,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 23:41:28,684 INFO L481 AbstractCegarLoop]: Abstraction has 5379 states and 6269 transitions. [2018-10-26 23:41:28,684 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-26 23:41:28,685 INFO L276 IsEmpty]: Start isEmpty. Operand 5379 states and 6269 transitions. [2018-10-26 23:41:28,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 397 [2018-10-26 23:41:28,699 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:41:28,700 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-10-26 23:41:28,700 INFO L424 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:41:28,701 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:41:28,701 INFO L82 PathProgramCache]: Analyzing trace with hash 969928600, now seen corresponding path program 1 times [2018-10-26 23:41:28,701 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 23:41:28,701 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 23:41:28,702 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:41:28,702 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:41:28,702 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:41:28,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:41:29,192 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 251 proven. 76 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2018-10-26 23:41:29,193 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 23:41:29,193 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ca9ccc42-3028-4661-8b7f-c687fa5cb7ec/bin-2019/uautomizer/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-26 23:41:29,200 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:41:29,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:41:29,272 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 23:41:29,528 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 375 proven. 2 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2018-10-26 23:41:29,546 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-26 23:41:29,547 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2018-10-26 23:41:29,547 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-26 23:41:29,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-26 23:41:29,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2018-10-26 23:41:29,548 INFO L87 Difference]: Start difference. First operand 5379 states and 6269 transitions. Second operand 9 states. [2018-10-26 23:41:30,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 23:41:30,796 INFO L93 Difference]: Finished difference Result 12184 states and 14425 transitions. [2018-10-26 23:41:30,797 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-10-26 23:41:30,797 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 396 [2018-10-26 23:41:30,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 23:41:30,818 INFO L225 Difference]: With dead ends: 12184 [2018-10-26 23:41:30,818 INFO L226 Difference]: Without dead ends: 6505 [2018-10-26 23:41:30,830 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 426 GetRequests, 406 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=137, Invalid=325, Unknown=0, NotChecked=0, Total=462 [2018-10-26 23:41:30,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6505 states. [2018-10-26 23:41:30,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6505 to 6423. [2018-10-26 23:41:30,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6423 states. [2018-10-26 23:41:30,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6423 states to 6423 states and 7260 transitions. [2018-10-26 23:41:30,964 INFO L78 Accepts]: Start accepts. Automaton has 6423 states and 7260 transitions. Word has length 396 [2018-10-26 23:41:30,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 23:41:30,965 INFO L481 AbstractCegarLoop]: Abstraction has 6423 states and 7260 transitions. [2018-10-26 23:41:30,965 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-26 23:41:30,965 INFO L276 IsEmpty]: Start isEmpty. Operand 6423 states and 7260 transitions. [2018-10-26 23:41:30,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 454 [2018-10-26 23:41:30,977 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:41:30,978 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-10-26 23:41:30,978 INFO L424 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:41:30,978 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:41:30,978 INFO L82 PathProgramCache]: Analyzing trace with hash -2096646949, now seen corresponding path program 1 times [2018-10-26 23:41:30,978 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 23:41:30,978 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 23:41:30,979 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:41:30,979 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:41:30,979 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:41:31,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:41:31,303 WARN L179 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-26 23:41:31,617 INFO L134 CoverageAnalysis]: Checked inductivity of 539 backedges. 171 proven. 238 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2018-10-26 23:41:31,617 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 23:41:31,617 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ca9ccc42-3028-4661-8b7f-c687fa5cb7ec/bin-2019/uautomizer/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-26 23:41:31,625 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:41:31,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:41:31,703 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 23:41:32,379 INFO L134 CoverageAnalysis]: Checked inductivity of 539 backedges. 303 proven. 0 refuted. 0 times theorem prover too weak. 236 trivial. 0 not checked. [2018-10-26 23:41:32,408 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-26 23:41:32,409 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9 [2018-10-26 23:41:32,409 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-26 23:41:32,410 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-26 23:41:32,410 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2018-10-26 23:41:32,410 INFO L87 Difference]: Start difference. First operand 6423 states and 7260 transitions. Second operand 9 states. [2018-10-26 23:41:33,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 23:41:33,378 INFO L93 Difference]: Finished difference Result 10927 states and 12182 transitions. [2018-10-26 23:41:33,379 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-26 23:41:33,379 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 453 [2018-10-26 23:41:33,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 23:41:33,390 INFO L225 Difference]: With dead ends: 10927 [2018-10-26 23:41:33,390 INFO L226 Difference]: Without dead ends: 4913 [2018-10-26 23:41:33,400 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 467 GetRequests, 455 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2018-10-26 23:41:33,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4913 states. [2018-10-26 23:41:33,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4913 to 4846. [2018-10-26 23:41:33,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4846 states. [2018-10-26 23:41:33,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4846 states to 4846 states and 5128 transitions. [2018-10-26 23:41:33,481 INFO L78 Accepts]: Start accepts. Automaton has 4846 states and 5128 transitions. Word has length 453 [2018-10-26 23:41:33,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 23:41:33,481 INFO L481 AbstractCegarLoop]: Abstraction has 4846 states and 5128 transitions. [2018-10-26 23:41:33,481 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-26 23:41:33,482 INFO L276 IsEmpty]: Start isEmpty. Operand 4846 states and 5128 transitions. [2018-10-26 23:41:33,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 707 [2018-10-26 23:41:33,505 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:41:33,506 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 23:41:33,506 INFO L424 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:41:33,506 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:41:33,506 INFO L82 PathProgramCache]: Analyzing trace with hash 706038832, now seen corresponding path program 1 times [2018-10-26 23:41:33,506 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 23:41:33,507 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 23:41:33,507 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:41:33,507 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:41:33,507 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:41:33,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:41:34,036 INFO L134 CoverageAnalysis]: Checked inductivity of 1429 backedges. 297 proven. 0 refuted. 0 times theorem prover too weak. 1132 trivial. 0 not checked. [2018-10-26 23:41:34,036 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 23:41:34,036 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-26 23:41:34,037 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-26 23:41:34,037 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-26 23:41:34,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-26 23:41:34,037 INFO L87 Difference]: Start difference. First operand 4846 states and 5128 transitions. Second operand 4 states. [2018-10-26 23:41:34,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 23:41:34,614 INFO L93 Difference]: Finished difference Result 9318 states and 9879 transitions. [2018-10-26 23:41:34,615 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 23:41:34,615 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 706 [2018-10-26 23:41:34,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 23:41:34,624 INFO L225 Difference]: With dead ends: 9318 [2018-10-26 23:41:34,625 INFO L226 Difference]: Without dead ends: 4660 [2018-10-26 23:41:34,631 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-26 23:41:34,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4660 states. [2018-10-26 23:41:34,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4660 to 4660. [2018-10-26 23:41:34,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4660 states. [2018-10-26 23:41:34,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4660 states to 4660 states and 4921 transitions. [2018-10-26 23:41:34,702 INFO L78 Accepts]: Start accepts. Automaton has 4660 states and 4921 transitions. Word has length 706 [2018-10-26 23:41:34,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 23:41:34,703 INFO L481 AbstractCegarLoop]: Abstraction has 4660 states and 4921 transitions. [2018-10-26 23:41:34,703 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-26 23:41:34,703 INFO L276 IsEmpty]: Start isEmpty. Operand 4660 states and 4921 transitions. [2018-10-26 23:41:34,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 828 [2018-10-26 23:41:34,718 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:41:34,718 INFO L375 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-10-26 23:41:34,718 INFO L424 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:41:34,719 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:41:34,719 INFO L82 PathProgramCache]: Analyzing trace with hash 1967064619, now seen corresponding path program 1 times [2018-10-26 23:41:34,719 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 23:41:34,719 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 23:41:34,722 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:41:34,722 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:41:34,722 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:41:34,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:41:35,312 WARN L179 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-10-26 23:41:35,581 WARN L179 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2018-10-26 23:41:36,272 WARN L179 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-10-26 23:41:37,006 INFO L134 CoverageAnalysis]: Checked inductivity of 2083 backedges. 534 proven. 1073 refuted. 0 times theorem prover too weak. 476 trivial. 0 not checked. [2018-10-26 23:41:37,006 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 23:41:37,007 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ca9ccc42-3028-4661-8b7f-c687fa5cb7ec/bin-2019/uautomizer/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-26 23:41:37,013 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:41:37,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:41:37,146 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 23:41:37,959 INFO L134 CoverageAnalysis]: Checked inductivity of 2083 backedges. 1520 proven. 2 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2018-10-26 23:41:37,992 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-26 23:41:37,992 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 11 [2018-10-26 23:41:37,993 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-10-26 23:41:37,993 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-10-26 23:41:37,994 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2018-10-26 23:41:37,994 INFO L87 Difference]: Start difference. First operand 4660 states and 4921 transitions. Second operand 11 states. [2018-10-26 23:41:40,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 23:41:40,422 INFO L93 Difference]: Finished difference Result 8544 states and 9133 transitions. [2018-10-26 23:41:40,423 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-10-26 23:41:40,423 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 827 [2018-10-26 23:41:40,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 23:41:40,433 INFO L225 Difference]: With dead ends: 8544 [2018-10-26 23:41:40,433 INFO L226 Difference]: Without dead ends: 3908 [2018-10-26 23:41:40,440 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 870 GetRequests, 842 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 159 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=216, Invalid=596, Unknown=0, NotChecked=0, Total=812 [2018-10-26 23:41:40,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3908 states. [2018-10-26 23:41:40,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3908 to 3713. [2018-10-26 23:41:40,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3713 states. [2018-10-26 23:41:40,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3713 states to 3713 states and 3907 transitions. [2018-10-26 23:41:40,502 INFO L78 Accepts]: Start accepts. Automaton has 3713 states and 3907 transitions. Word has length 827 [2018-10-26 23:41:40,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 23:41:40,503 INFO L481 AbstractCegarLoop]: Abstraction has 3713 states and 3907 transitions. [2018-10-26 23:41:40,503 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-10-26 23:41:40,503 INFO L276 IsEmpty]: Start isEmpty. Operand 3713 states and 3907 transitions. [2018-10-26 23:41:40,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 902 [2018-10-26 23:41:40,516 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:41:40,516 INFO L375 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-10-26 23:41:40,517 INFO L424 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:41:40,517 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:41:40,517 INFO L82 PathProgramCache]: Analyzing trace with hash 2125514511, now seen corresponding path program 1 times [2018-10-26 23:41:40,517 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 23:41:40,517 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 23:41:40,518 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:41:40,518 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:41:40,518 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:41:40,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:41:41,920 INFO L134 CoverageAnalysis]: Checked inductivity of 2584 backedges. 862 proven. 1130 refuted. 0 times theorem prover too weak. 592 trivial. 0 not checked. [2018-10-26 23:41:41,920 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 23:41:41,921 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ca9ccc42-3028-4661-8b7f-c687fa5cb7ec/bin-2019/uautomizer/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-26 23:41:41,927 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:41:42,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:41:42,066 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 23:41:42,456 INFO L134 CoverageAnalysis]: Checked inductivity of 2584 backedges. 1802 proven. 2 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2018-10-26 23:41:42,475 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-26 23:41:42,476 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 5] total 17 [2018-10-26 23:41:42,476 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-10-26 23:41:42,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-10-26 23:41:42,476 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=218, Unknown=0, NotChecked=0, Total=272 [2018-10-26 23:41:42,477 INFO L87 Difference]: Start difference. First operand 3713 states and 3907 transitions. Second operand 17 states. [2018-10-26 23:41:45,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 23:41:45,224 INFO L93 Difference]: Finished difference Result 7244 states and 7764 transitions. [2018-10-26 23:41:45,225 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2018-10-26 23:41:45,225 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 901 [2018-10-26 23:41:45,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 23:41:45,235 INFO L225 Difference]: With dead ends: 7244 [2018-10-26 23:41:45,235 INFO L226 Difference]: Without dead ends: 3650 [2018-10-26 23:41:45,242 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 961 GetRequests, 914 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 608 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=509, Invalid=1843, Unknown=0, NotChecked=0, Total=2352 [2018-10-26 23:41:45,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3650 states. [2018-10-26 23:41:45,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3650 to 3327. [2018-10-26 23:41:45,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3327 states. [2018-10-26 23:41:45,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3327 states to 3327 states and 3463 transitions. [2018-10-26 23:41:45,378 INFO L78 Accepts]: Start accepts. Automaton has 3327 states and 3463 transitions. Word has length 901 [2018-10-26 23:41:45,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 23:41:45,379 INFO L481 AbstractCegarLoop]: Abstraction has 3327 states and 3463 transitions. [2018-10-26 23:41:45,379 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-10-26 23:41:45,379 INFO L276 IsEmpty]: Start isEmpty. Operand 3327 states and 3463 transitions. [2018-10-26 23:41:45,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 909 [2018-10-26 23:41:45,392 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:41:45,393 INFO L375 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 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] [2018-10-26 23:41:45,393 INFO L424 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:41:45,393 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:41:45,394 INFO L82 PathProgramCache]: Analyzing trace with hash -1609008976, now seen corresponding path program 1 times [2018-10-26 23:41:45,394 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 23:41:45,394 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 23:41:45,397 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:41:45,399 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:41:45,399 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:41:45,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:41:46,402 INFO L134 CoverageAnalysis]: Checked inductivity of 2577 backedges. 679 proven. 224 refuted. 0 times theorem prover too weak. 1674 trivial. 0 not checked. [2018-10-26 23:41:46,402 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 23:41:46,402 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ca9ccc42-3028-4661-8b7f-c687fa5cb7ec/bin-2019/uautomizer/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-26 23:41:46,409 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:41:46,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:41:46,570 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 23:41:46,912 INFO L134 CoverageAnalysis]: Checked inductivity of 2577 backedges. 1708 proven. 2 refuted. 0 times theorem prover too weak. 867 trivial. 0 not checked. [2018-10-26 23:41:46,929 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-26 23:41:46,930 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 7 [2018-10-26 23:41:46,930 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-26 23:41:46,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-26 23:41:46,930 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-10-26 23:41:46,931 INFO L87 Difference]: Start difference. First operand 3327 states and 3463 transitions. Second operand 7 states. [2018-10-26 23:41:47,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 23:41:47,388 INFO L93 Difference]: Finished difference Result 6837 states and 7149 transitions. [2018-10-26 23:41:47,390 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-26 23:41:47,391 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 908 [2018-10-26 23:41:47,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 23:41:47,401 INFO L225 Difference]: With dead ends: 6837 [2018-10-26 23:41:47,401 INFO L226 Difference]: Without dead ends: 3884 [2018-10-26 23:41:47,405 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 918 GetRequests, 910 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2018-10-26 23:41:47,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3884 states. [2018-10-26 23:41:47,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3884 to 3876. [2018-10-26 23:41:47,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3876 states. [2018-10-26 23:41:47,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3876 states to 3876 states and 4032 transitions. [2018-10-26 23:41:47,470 INFO L78 Accepts]: Start accepts. Automaton has 3876 states and 4032 transitions. Word has length 908 [2018-10-26 23:41:47,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 23:41:47,471 INFO L481 AbstractCegarLoop]: Abstraction has 3876 states and 4032 transitions. [2018-10-26 23:41:47,471 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-26 23:41:47,471 INFO L276 IsEmpty]: Start isEmpty. Operand 3876 states and 4032 transitions. [2018-10-26 23:41:47,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1069 [2018-10-26 23:41:47,489 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:41:47,490 INFO L375 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 23:41:47,490 INFO L424 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:41:47,490 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:41:47,491 INFO L82 PathProgramCache]: Analyzing trace with hash -1536409696, now seen corresponding path program 1 times [2018-10-26 23:41:47,491 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 23:41:47,491 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 23:41:47,491 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:41:47,491 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:41:47,494 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:41:47,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:41:48,577 INFO L134 CoverageAnalysis]: Checked inductivity of 3458 backedges. 831 proven. 224 refuted. 0 times theorem prover too weak. 2403 trivial. 0 not checked. [2018-10-26 23:41:48,577 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 23:41:48,577 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ca9ccc42-3028-4661-8b7f-c687fa5cb7ec/bin-2019/uautomizer/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-26 23:41:48,584 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:41:48,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:41:48,789 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 23:41:49,283 INFO L134 CoverageAnalysis]: Checked inductivity of 3458 backedges. 2253 proven. 2 refuted. 0 times theorem prover too weak. 1203 trivial. 0 not checked. [2018-10-26 23:41:49,302 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-26 23:41:49,302 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2018-10-26 23:41:49,303 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-10-26 23:41:49,303 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-10-26 23:41:49,303 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-10-26 23:41:49,304 INFO L87 Difference]: Start difference. First operand 3876 states and 4032 transitions. Second operand 10 states. [2018-10-26 23:41:50,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 23:41:50,350 INFO L93 Difference]: Finished difference Result 7565 states and 7890 transitions. [2018-10-26 23:41:50,350 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-10-26 23:41:50,351 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 1068 [2018-10-26 23:41:50,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 23:41:50,358 INFO L225 Difference]: With dead ends: 7565 [2018-10-26 23:41:50,358 INFO L226 Difference]: Without dead ends: 4063 [2018-10-26 23:41:50,364 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 1092 GetRequests, 1075 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=93, Invalid=213, Unknown=0, NotChecked=0, Total=306 [2018-10-26 23:41:50,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4063 states. [2018-10-26 23:41:50,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4063 to 4053. [2018-10-26 23:41:50,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4053 states. [2018-10-26 23:41:50,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4053 states to 4053 states and 4173 transitions. [2018-10-26 23:41:50,433 INFO L78 Accepts]: Start accepts. Automaton has 4053 states and 4173 transitions. Word has length 1068 [2018-10-26 23:41:50,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 23:41:50,433 INFO L481 AbstractCegarLoop]: Abstraction has 4053 states and 4173 transitions. [2018-10-26 23:41:50,433 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-10-26 23:41:50,434 INFO L276 IsEmpty]: Start isEmpty. Operand 4053 states and 4173 transitions. [2018-10-26 23:41:50,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1080 [2018-10-26 23:41:50,447 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:41:50,448 INFO L375 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2018-10-26 23:41:50,448 INFO L424 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:41:50,449 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:41:50,449 INFO L82 PathProgramCache]: Analyzing trace with hash -1801339669, now seen corresponding path program 1 times [2018-10-26 23:41:50,449 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 23:41:50,449 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 23:41:50,451 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:41:50,452 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:41:50,452 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:41:50,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:41:52,734 INFO L134 CoverageAnalysis]: Checked inductivity of 3448 backedges. 858 proven. 1481 refuted. 0 times theorem prover too weak. 1109 trivial. 0 not checked. [2018-10-26 23:41:52,734 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 23:41:52,735 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ca9ccc42-3028-4661-8b7f-c687fa5cb7ec/bin-2019/uautomizer/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-26 23:41:52,743 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:41:52,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:41:52,890 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 23:41:53,743 INFO L134 CoverageAnalysis]: Checked inductivity of 3448 backedges. 2290 proven. 2 refuted. 0 times theorem prover too weak. 1156 trivial. 0 not checked. [2018-10-26 23:41:53,760 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-26 23:41:53,760 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 6] total 18 [2018-10-26 23:41:53,761 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-10-26 23:41:53,761 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-10-26 23:41:53,761 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=250, Unknown=0, NotChecked=0, Total=306 [2018-10-26 23:41:53,761 INFO L87 Difference]: Start difference. First operand 4053 states and 4173 transitions. Second operand 18 states. [2018-10-26 23:41:56,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 23:41:56,085 INFO L93 Difference]: Finished difference Result 8165 states and 8462 transitions. [2018-10-26 23:41:56,085 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-10-26 23:41:56,085 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 1079 [2018-10-26 23:41:56,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 23:41:56,091 INFO L225 Difference]: With dead ends: 8165 [2018-10-26 23:41:56,091 INFO L226 Difference]: Without dead ends: 4486 [2018-10-26 23:41:56,094 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 1127 GetRequests, 1091 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 279 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=316, Invalid=1090, Unknown=0, NotChecked=0, Total=1406 [2018-10-26 23:41:56,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4486 states. [2018-10-26 23:41:56,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4486 to 4243. [2018-10-26 23:41:56,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4243 states. [2018-10-26 23:41:56,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4243 states to 4243 states and 4365 transitions. [2018-10-26 23:41:56,166 INFO L78 Accepts]: Start accepts. Automaton has 4243 states and 4365 transitions. Word has length 1079 [2018-10-26 23:41:56,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 23:41:56,166 INFO L481 AbstractCegarLoop]: Abstraction has 4243 states and 4365 transitions. [2018-10-26 23:41:56,166 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-10-26 23:41:56,166 INFO L276 IsEmpty]: Start isEmpty. Operand 4243 states and 4365 transitions. [2018-10-26 23:41:56,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1087 [2018-10-26 23:41:56,179 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:41:56,180 INFO L375 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 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, 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] [2018-10-26 23:41:56,180 INFO L424 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:41:56,180 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:41:56,181 INFO L82 PathProgramCache]: Analyzing trace with hash 975128484, now seen corresponding path program 1 times [2018-10-26 23:41:56,181 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 23:41:56,181 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 23:41:56,181 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:41:56,182 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:41:56,182 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:41:56,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:41:57,056 WARN L179 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-10-26 23:41:57,252 WARN L179 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-10-26 23:41:57,500 WARN L179 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-10-26 23:41:59,077 INFO L134 CoverageAnalysis]: Checked inductivity of 3476 backedges. 858 proven. 1509 refuted. 0 times theorem prover too weak. 1109 trivial. 0 not checked. [2018-10-26 23:41:59,077 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 23:41:59,077 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ca9ccc42-3028-4661-8b7f-c687fa5cb7ec/bin-2019/uautomizer/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-26 23:41:59,084 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:41:59,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:41:59,272 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 23:42:00,060 INFO L134 CoverageAnalysis]: Checked inductivity of 3476 backedges. 2318 proven. 2 refuted. 0 times theorem prover too weak. 1156 trivial. 0 not checked. [2018-10-26 23:42:00,077 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-26 23:42:00,077 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 5] total 18 [2018-10-26 23:42:00,078 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-10-26 23:42:00,079 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-10-26 23:42:00,079 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=245, Unknown=0, NotChecked=0, Total=306 [2018-10-26 23:42:00,079 INFO L87 Difference]: Start difference. First operand 4243 states and 4365 transitions. Second operand 18 states. [2018-10-26 23:42:02,143 WARN L179 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 32 [2018-10-26 23:42:03,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 23:42:03,134 INFO L93 Difference]: Finished difference Result 8357 states and 8652 transitions. [2018-10-26 23:42:03,135 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2018-10-26 23:42:03,135 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 1086 [2018-10-26 23:42:03,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 23:42:03,140 INFO L225 Difference]: With dead ends: 8357 [2018-10-26 23:42:03,140 INFO L226 Difference]: Without dead ends: 4305 [2018-10-26 23:42:03,144 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 1162 GetRequests, 1107 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 884 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=646, Invalid=2546, Unknown=0, NotChecked=0, Total=3192 [2018-10-26 23:42:03,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4305 states. [2018-10-26 23:42:03,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4305 to 4243. [2018-10-26 23:42:03,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4243 states. [2018-10-26 23:42:03,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4243 states to 4243 states and 4353 transitions. [2018-10-26 23:42:03,204 INFO L78 Accepts]: Start accepts. Automaton has 4243 states and 4353 transitions. Word has length 1086 [2018-10-26 23:42:03,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 23:42:03,204 INFO L481 AbstractCegarLoop]: Abstraction has 4243 states and 4353 transitions. [2018-10-26 23:42:03,204 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-10-26 23:42:03,204 INFO L276 IsEmpty]: Start isEmpty. Operand 4243 states and 4353 transitions. [2018-10-26 23:42:03,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1169 [2018-10-26 23:42:03,214 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:42:03,215 INFO L375 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 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, 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] [2018-10-26 23:42:03,215 INFO L424 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:42:03,215 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:42:03,215 INFO L82 PathProgramCache]: Analyzing trace with hash 1615558360, now seen corresponding path program 1 times [2018-10-26 23:42:03,215 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 23:42:03,217 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 23:42:03,218 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:42:03,218 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:42:03,218 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:42:03,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:42:05,157 INFO L134 CoverageAnalysis]: Checked inductivity of 4184 backedges. 1866 proven. 355 refuted. 0 times theorem prover too weak. 1963 trivial. 0 not checked. [2018-10-26 23:42:05,158 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 23:42:05,158 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ca9ccc42-3028-4661-8b7f-c687fa5cb7ec/bin-2019/uautomizer/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-26 23:42:05,165 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:42:05,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:42:05,320 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 23:42:06,173 INFO L134 CoverageAnalysis]: Checked inductivity of 4184 backedges. 2631 proven. 6 refuted. 0 times theorem prover too weak. 1547 trivial. 0 not checked. [2018-10-26 23:42:06,199 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-26 23:42:06,200 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 9 [2018-10-26 23:42:06,200 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-26 23:42:06,200 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-26 23:42:06,201 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2018-10-26 23:42:06,201 INFO L87 Difference]: Start difference. First operand 4243 states and 4353 transitions. Second operand 9 states. [2018-10-26 23:42:07,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 23:42:07,023 INFO L93 Difference]: Finished difference Result 8715 states and 8967 transitions. [2018-10-26 23:42:07,023 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-10-26 23:42:07,023 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1168 [2018-10-26 23:42:07,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 23:42:07,032 INFO L225 Difference]: With dead ends: 8715 [2018-10-26 23:42:07,032 INFO L226 Difference]: Without dead ends: 4663 [2018-10-26 23:42:07,037 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 1189 GetRequests, 1174 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=67, Invalid=173, Unknown=0, NotChecked=0, Total=240 [2018-10-26 23:42:07,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4663 states. [2018-10-26 23:42:07,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4663 to 4428. [2018-10-26 23:42:07,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4428 states. [2018-10-26 23:42:07,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4428 states to 4428 states and 4539 transitions. [2018-10-26 23:42:07,112 INFO L78 Accepts]: Start accepts. Automaton has 4428 states and 4539 transitions. Word has length 1168 [2018-10-26 23:42:07,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 23:42:07,113 INFO L481 AbstractCegarLoop]: Abstraction has 4428 states and 4539 transitions. [2018-10-26 23:42:07,113 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-26 23:42:07,113 INFO L276 IsEmpty]: Start isEmpty. Operand 4428 states and 4539 transitions. [2018-10-26 23:42:07,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1726 [2018-10-26 23:42:07,135 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:42:07,135 INFO L375 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 9, 9, 9, 8, 8, 8, 8, 7, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 23:42:07,136 INFO L424 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:42:07,136 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:42:07,137 INFO L82 PathProgramCache]: Analyzing trace with hash 2146450787, now seen corresponding path program 1 times [2018-10-26 23:42:07,137 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 23:42:07,137 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 23:42:07,138 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:42:07,138 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:42:07,138 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:42:07,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:42:08,500 WARN L179 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2018-10-26 23:42:11,931 INFO L134 CoverageAnalysis]: Checked inductivity of 9189 backedges. 2024 proven. 5514 refuted. 0 times theorem prover too weak. 1651 trivial. 0 not checked. [2018-10-26 23:42:11,931 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 23:42:11,931 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ca9ccc42-3028-4661-8b7f-c687fa5cb7ec/bin-2019/uautomizer/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-26 23:42:11,937 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:42:12,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:42:12,159 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 23:42:13,530 INFO L134 CoverageAnalysis]: Checked inductivity of 9189 backedges. 3105 proven. 127 refuted. 0 times theorem prover too weak. 5957 trivial. 0 not checked. [2018-10-26 23:42:13,548 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-26 23:42:13,548 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 9] total 34 [2018-10-26 23:42:13,549 INFO L460 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-10-26 23:42:13,549 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-10-26 23:42:13,549 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=1018, Unknown=0, NotChecked=0, Total=1122 [2018-10-26 23:42:13,550 INFO L87 Difference]: Start difference. First operand 4428 states and 4539 transitions. Second operand 34 states. [2018-10-26 23:42:23,155 WARN L179 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 31 [2018-10-26 23:42:25,758 WARN L179 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 25 [2018-10-26 23:42:30,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 23:42:30,095 INFO L93 Difference]: Finished difference Result 9630 states and 10019 transitions. [2018-10-26 23:42:30,096 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2018-10-26 23:42:30,096 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 1725 [2018-10-26 23:42:30,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 23:42:30,105 INFO L225 Difference]: With dead ends: 9630 [2018-10-26 23:42:30,105 INFO L226 Difference]: Without dead ends: 5178 [2018-10-26 23:42:30,113 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 1923 GetRequests, 1768 SyntacticMatches, 2 SemanticMatches, 153 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8389 ImplicationChecksByTransitivity, 7.7s TimeCoverageRelationStatistics Valid=3414, Invalid=20456, Unknown=0, NotChecked=0, Total=23870 [2018-10-26 23:42:30,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5178 states. [2018-10-26 23:42:30,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5178 to 4798. [2018-10-26 23:42:30,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4798 states. [2018-10-26 23:42:30,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4798 states to 4798 states and 4905 transitions. [2018-10-26 23:42:30,209 INFO L78 Accepts]: Start accepts. Automaton has 4798 states and 4905 transitions. Word has length 1725 [2018-10-26 23:42:30,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 23:42:30,210 INFO L481 AbstractCegarLoop]: Abstraction has 4798 states and 4905 transitions. [2018-10-26 23:42:30,211 INFO L482 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-10-26 23:42:30,211 INFO L276 IsEmpty]: Start isEmpty. Operand 4798 states and 4905 transitions. [2018-10-26 23:42:30,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1980 [2018-10-26 23:42:30,239 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:42:30,240 INFO L375 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 11, 11, 11, 10, 10, 10, 10, 9, 8, 7, 7, 7, 7, 7, 7, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 23:42:30,240 INFO L424 AbstractCegarLoop]: === Iteration 18 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:42:30,240 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:42:30,240 INFO L82 PathProgramCache]: Analyzing trace with hash 1222336103, now seen corresponding path program 1 times [2018-10-26 23:42:30,240 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 23:42:30,241 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 23:42:30,241 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:42:30,241 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:42:30,241 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:42:30,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:42:35,357 INFO L134 CoverageAnalysis]: Checked inductivity of 12401 backedges. 1970 proven. 6976 refuted. 0 times theorem prover too weak. 3455 trivial. 0 not checked. [2018-10-26 23:42:35,358 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 23:42:35,358 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ca9ccc42-3028-4661-8b7f-c687fa5cb7ec/bin-2019/uautomizer/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-26 23:42:35,367 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:42:35,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:42:35,652 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 23:42:36,839 WARN L179 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 33 DAG size of output: 25 [2018-10-26 23:42:40,252 INFO L134 CoverageAnalysis]: Checked inductivity of 12401 backedges. 6128 proven. 12 refuted. 0 times theorem prover too weak. 6261 trivial. 0 not checked. [2018-10-26 23:42:40,288 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-26 23:42:40,289 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 9] total 34 [2018-10-26 23:42:40,290 INFO L460 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-10-26 23:42:40,290 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-10-26 23:42:40,291 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=1019, Unknown=1, NotChecked=0, Total=1122 [2018-10-26 23:42:40,291 INFO L87 Difference]: Start difference. First operand 4798 states and 4905 transitions. Second operand 34 states. [2018-10-26 23:42:40,826 WARN L179 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 34 [2018-10-26 23:42:41,048 WARN L179 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 39 [2018-10-26 23:42:49,173 WARN L179 SmtUtils]: Spent 3.06 s on a formula simplification. DAG size of input: 87 DAG size of output: 29 [2018-10-26 23:42:57,783 WARN L179 SmtUtils]: Spent 3.07 s on a formula simplification. DAG size of input: 76 DAG size of output: 35 [2018-10-26 23:43:01,742 WARN L179 SmtUtils]: Spent 3.13 s on a formula simplification. DAG size of input: 86 DAG size of output: 45 [2018-10-26 23:43:04,852 WARN L179 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 25 [2018-10-26 23:43:05,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 23:43:05,928 INFO L93 Difference]: Finished difference Result 10659 states and 11026 transitions. [2018-10-26 23:43:05,929 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2018-10-26 23:43:05,929 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 1979 [2018-10-26 23:43:05,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 23:43:05,930 INFO L225 Difference]: With dead ends: 10659 [2018-10-26 23:43:05,930 INFO L226 Difference]: Without dead ends: 0 [2018-10-26 23:43:05,938 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2161 GetRequests, 2025 SyntacticMatches, 1 SemanticMatches, 135 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5754 ImplicationChecksByTransitivity, 18.5s TimeCoverageRelationStatistics Valid=2423, Invalid=16208, Unknown=1, NotChecked=0, Total=18632 [2018-10-26 23:43:05,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-26 23:43:05,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-26 23:43:05,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-26 23:43:05,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-26 23:43:05,939 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1979 [2018-10-26 23:43:05,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 23:43:05,939 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-26 23:43:05,939 INFO L482 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-10-26 23:43:05,939 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-26 23:43:05,939 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 23:43:05,943 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-26 23:43:05,991 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:43:06,000 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:43:06,190 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:43:06,197 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:43:06,282 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:43:06,326 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:43:06,334 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:43:06,335 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:43:06,340 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:43:06,365 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:43:06,370 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:43:06,417 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:43:06,431 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:43:06,435 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:43:06,451 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:43:06,457 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:43:06,537 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:43:06,537 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:43:06,538 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:43:06,594 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:43:06,619 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:43:06,768 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:43:06,776 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:43:06,786 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:43:06,795 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:43:06,876 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:43:07,129 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:43:07,154 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:43:07,618 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:43:07,748 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:43:07,788 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:43:07,791 WARN L179 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 763 DAG size of output: 529 [2018-10-26 23:43:07,830 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:43:07,875 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:43:07,883 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:43:07,884 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:43:07,890 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:43:07,914 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:43:07,919 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:43:07,963 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:43:07,974 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:43:07,978 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:43:07,993 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:43:07,999 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:43:08,076 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:43:08,077 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:43:08,077 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:43:08,132 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:43:08,156 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:43:08,304 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:43:08,312 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:43:08,322 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:43:08,331 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:43:08,414 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:43:08,664 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:43:08,690 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:43:09,149 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:43:09,279 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:43:09,319 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:43:09,322 WARN L179 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 763 DAG size of output: 529 [2018-10-26 23:43:09,674 WARN L179 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 15 [2018-10-26 23:43:11,610 WARN L179 SmtUtils]: Spent 1.87 s on a formula simplification. DAG size of input: 368 DAG size of output: 145 [2018-10-26 23:43:13,925 WARN L179 SmtUtils]: Spent 2.30 s on a formula simplification. DAG size of input: 464 DAG size of output: 120 [2018-10-26 23:43:16,019 WARN L179 SmtUtils]: Spent 2.09 s on a formula simplification. DAG size of input: 464 DAG size of output: 120 [2018-10-26 23:43:16,021 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-10-26 23:43:16,021 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a12~0 |old(~a12~0)|) (= ~a24~0 |old(~a24~0)|) (= ~a21~0 |old(~a21~0)|) (= |old(~a15~0)| ~a15~0)) [2018-10-26 23:43:16,021 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-10-26 23:43:16,021 INFO L425 ceAbstractionStarter]: For program point L432(lines 432 870) no Hoare annotation was computed. [2018-10-26 23:43:16,022 INFO L425 ceAbstractionStarter]: For program point L366(lines 366 870) no Hoare annotation was computed. [2018-10-26 23:43:16,022 INFO L425 ceAbstractionStarter]: For program point L168(lines 20 872) no Hoare annotation was computed. [2018-10-26 23:43:16,022 INFO L425 ceAbstractionStarter]: For program point L102(lines 20 872) no Hoare annotation was computed. [2018-10-26 23:43:16,022 INFO L425 ceAbstractionStarter]: For program point L36(lines 20 872) no Hoare annotation was computed. [2018-10-26 23:43:16,022 INFO L425 ceAbstractionStarter]: For program point L235(lines 235 870) no Hoare annotation was computed. [2018-10-26 23:43:16,022 INFO L425 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-10-26 23:43:16,022 INFO L425 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-10-26 23:43:16,022 INFO L425 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-10-26 23:43:16,022 INFO L425 ceAbstractionStarter]: For program point L764(lines 764 870) no Hoare annotation was computed. [2018-10-26 23:43:16,022 INFO L425 ceAbstractionStarter]: For program point L632(lines 632 870) no Hoare annotation was computed. [2018-10-26 23:43:16,022 INFO L425 ceAbstractionStarter]: For program point L500(lines 500 870) no Hoare annotation was computed. [2018-10-26 23:43:16,022 INFO L425 ceAbstractionStarter]: For program point L831(lines 831 870) no Hoare annotation was computed. [2018-10-26 23:43:16,022 INFO L425 ceAbstractionStarter]: For program point L171(lines 20 872) no Hoare annotation was computed. [2018-10-26 23:43:16,022 INFO L425 ceAbstractionStarter]: For program point L105(lines 20 872) no Hoare annotation was computed. [2018-10-26 23:43:16,022 INFO L425 ceAbstractionStarter]: For program point L39(lines 20 872) no Hoare annotation was computed. [2018-10-26 23:43:16,022 INFO L425 ceAbstractionStarter]: For program point L700(lines 700 870) no Hoare annotation was computed. [2018-10-26 23:43:16,023 INFO L425 ceAbstractionStarter]: For program point L568(lines 568 870) no Hoare annotation was computed. [2018-10-26 23:43:16,023 INFO L425 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-10-26 23:43:16,023 INFO L425 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-10-26 23:43:16,023 INFO L425 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-10-26 23:43:16,023 INFO L425 ceAbstractionStarter]: For program point L305(lines 305 870) no Hoare annotation was computed. [2018-10-26 23:43:16,023 INFO L425 ceAbstractionStarter]: For program point L438(lines 438 870) no Hoare annotation was computed. [2018-10-26 23:43:16,023 INFO L425 ceAbstractionStarter]: For program point L372(lines 372 870) no Hoare annotation was computed. [2018-10-26 23:43:16,023 INFO L425 ceAbstractionStarter]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2018-10-26 23:43:16,023 INFO L425 ceAbstractionStarter]: For program point L108(lines 20 872) no Hoare annotation was computed. [2018-10-26 23:43:16,023 INFO L425 ceAbstractionStarter]: For program point L42(lines 20 872) no Hoare annotation was computed. [2018-10-26 23:43:16,023 INFO L425 ceAbstractionStarter]: For program point L241(lines 241 870) no Hoare annotation was computed. [2018-10-26 23:43:16,023 INFO L425 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-10-26 23:43:16,023 INFO L425 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-10-26 23:43:16,023 INFO L425 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-10-26 23:43:16,023 INFO L425 ceAbstractionStarter]: For program point L638(lines 638 870) no Hoare annotation was computed. [2018-10-26 23:43:16,023 INFO L425 ceAbstractionStarter]: For program point L506(lines 506 870) no Hoare annotation was computed. [2018-10-26 23:43:16,032 INFO L425 ceAbstractionStarter]: For program point L837(lines 837 870) no Hoare annotation was computed. [2018-10-26 23:43:16,032 INFO L425 ceAbstractionStarter]: For program point L771(lines 771 870) no Hoare annotation was computed. [2018-10-26 23:43:16,032 INFO L425 ceAbstractionStarter]: For program point L573(lines 573 870) no Hoare annotation was computed. [2018-10-26 23:43:16,033 INFO L425 ceAbstractionStarter]: For program point L177(lines 20 872) no Hoare annotation was computed. [2018-10-26 23:43:16,033 INFO L425 ceAbstractionStarter]: For program point L111(lines 20 872) no Hoare annotation was computed. [2018-10-26 23:43:16,033 INFO L425 ceAbstractionStarter]: For program point L45(lines 20 872) no Hoare annotation was computed. [2018-10-26 23:43:16,033 INFO L425 ceAbstractionStarter]: For program point L706(lines 706 870) no Hoare annotation was computed. [2018-10-26 23:43:16,033 INFO L425 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-10-26 23:43:16,034 INFO L425 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-10-26 23:43:16,034 INFO L425 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-10-26 23:43:16,034 INFO L425 ceAbstractionStarter]: For program point L311(lines 311 870) no Hoare annotation was computed. [2018-10-26 23:43:16,034 INFO L425 ceAbstractionStarter]: For program point L444(lines 444 870) no Hoare annotation was computed. [2018-10-26 23:43:16,034 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 870) no Hoare annotation was computed. [2018-10-26 23:43:16,034 INFO L425 ceAbstractionStarter]: For program point L180(lines 20 872) no Hoare annotation was computed. [2018-10-26 23:43:16,034 INFO L425 ceAbstractionStarter]: For program point L114(lines 20 872) no Hoare annotation was computed. [2018-10-26 23:43:16,034 INFO L425 ceAbstractionStarter]: For program point L48(lines 20 872) no Hoare annotation was computed. [2018-10-26 23:43:16,034 INFO L425 ceAbstractionStarter]: For program point L247(lines 247 870) no Hoare annotation was computed. [2018-10-26 23:43:16,034 INFO L425 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-10-26 23:43:16,034 INFO L425 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-10-26 23:43:16,034 INFO L425 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-10-26 23:43:16,034 INFO L425 ceAbstractionStarter]: For program point L842(lines 842 870) no Hoare annotation was computed. [2018-10-26 23:43:16,034 INFO L425 ceAbstractionStarter]: For program point L644(lines 644 870) no Hoare annotation was computed. [2018-10-26 23:43:16,035 INFO L425 ceAbstractionStarter]: For program point L512(lines 512 870) no Hoare annotation was computed. [2018-10-26 23:43:16,035 INFO L425 ceAbstractionStarter]: For program point L777(lines 777 870) no Hoare annotation was computed. [2018-10-26 23:43:16,035 INFO L425 ceAbstractionStarter]: For program point L579(lines 579 870) no Hoare annotation was computed. [2018-10-26 23:43:16,035 INFO L425 ceAbstractionStarter]: For program point L183(lines 20 872) no Hoare annotation was computed. [2018-10-26 23:43:16,035 INFO L425 ceAbstractionStarter]: For program point L117(lines 20 872) no Hoare annotation was computed. [2018-10-26 23:43:16,035 INFO L425 ceAbstractionStarter]: For program point L51(lines 20 872) no Hoare annotation was computed. [2018-10-26 23:43:16,035 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 872) no Hoare annotation was computed. [2018-10-26 23:43:16,035 INFO L425 ceAbstractionStarter]: For program point L712(lines 712 870) no Hoare annotation was computed. [2018-10-26 23:43:16,035 INFO L425 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-10-26 23:43:16,035 INFO L425 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-10-26 23:43:16,035 INFO L425 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-10-26 23:43:16,035 INFO L425 ceAbstractionStarter]: For program point L449(lines 449 870) no Hoare annotation was computed. [2018-10-26 23:43:16,035 INFO L425 ceAbstractionStarter]: For program point L317(lines 317 870) no Hoare annotation was computed. [2018-10-26 23:43:16,035 INFO L425 ceAbstractionStarter]: For program point L384(lines 384 870) no Hoare annotation was computed. [2018-10-26 23:43:16,035 INFO L425 ceAbstractionStarter]: For program point L252(lines 252 870) no Hoare annotation was computed. [2018-10-26 23:43:16,036 INFO L425 ceAbstractionStarter]: For program point L186(lines 20 872) no Hoare annotation was computed. [2018-10-26 23:43:16,036 INFO L425 ceAbstractionStarter]: For program point L120(lines 20 872) no Hoare annotation was computed. [2018-10-26 23:43:16,036 INFO L425 ceAbstractionStarter]: For program point L54(lines 20 872) no Hoare annotation was computed. [2018-10-26 23:43:16,036 INFO L425 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-10-26 23:43:16,036 INFO L425 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-10-26 23:43:16,036 INFO L425 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-10-26 23:43:16,036 INFO L425 ceAbstractionStarter]: For program point L848(lines 848 870) no Hoare annotation was computed. [2018-10-26 23:43:16,036 INFO L425 ceAbstractionStarter]: For program point L650(lines 650 870) no Hoare annotation was computed. [2018-10-26 23:43:16,036 INFO L425 ceAbstractionStarter]: For program point L518(lines 518 870) no Hoare annotation was computed. [2018-10-26 23:43:16,036 INFO L425 ceAbstractionStarter]: For program point L783(lines 783 870) no Hoare annotation was computed. [2018-10-26 23:43:16,036 INFO L425 ceAbstractionStarter]: For program point L585(lines 585 870) no Hoare annotation was computed. [2018-10-26 23:43:16,036 INFO L425 ceAbstractionStarter]: For program point L189(lines 20 872) no Hoare annotation was computed. [2018-10-26 23:43:16,036 INFO L425 ceAbstractionStarter]: For program point L123(lines 20 872) no Hoare annotation was computed. [2018-10-26 23:43:16,036 INFO L425 ceAbstractionStarter]: For program point L57(lines 20 872) no Hoare annotation was computed. [2018-10-26 23:43:16,036 INFO L425 ceAbstractionStarter]: For program point L718(lines 718 870) no Hoare annotation was computed. [2018-10-26 23:43:16,037 INFO L425 ceAbstractionStarter]: For program point L454(lines 454 870) no Hoare annotation was computed. [2018-10-26 23:43:16,037 INFO L425 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-10-26 23:43:16,037 INFO L425 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-10-26 23:43:16,037 INFO L425 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-10-26 23:43:16,037 INFO L425 ceAbstractionStarter]: For program point L323(lines 323 870) no Hoare annotation was computed. [2018-10-26 23:43:16,037 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 872) the Hoare annotation is: (let ((.cse28 (= 8 ~a15~0)) (.cse16 (= 7 |old(~a15~0)|)) (.cse32 (<= ~a12~0 80)) (.cse17 (= ~a12~0 |old(~a12~0)|)) (.cse27 (= 1 ~a24~0)) (.cse30 (= 9 ~a15~0)) (.cse18 (= ~a24~0 |old(~a24~0)|)) (.cse19 (= ~a21~0 |old(~a21~0)|)) (.cse14 (= |old(~a15~0)| ~a15~0))) (let ((.cse6 (<= (+ ~a12~0 49) 0)) (.cse5 (< 0 (+ |old(~a12~0)| 49))) (.cse12 (not (= 6 |old(~a21~0)|))) (.cse8 (and .cse18 .cse19 .cse14)) (.cse31 (not (= 10 |old(~a21~0)|))) (.cse20 (< |old(~a12~0)| 95381)) (.cse0 (not (= 9 |old(~a15~0)|))) (.cse4 (and .cse17 .cse19 .cse27 .cse30)) (.cse11 (and .cse32 .cse18 .cse19 .cse14)) (.cse29 (= ~a21~0 9)) (.cse26 (not (= 9 |old(~a21~0)|))) (.cse23 (< 11 |old(~a12~0)|)) (.cse13 (not (= 6 |old(~a15~0)|))) (.cse10 (< 80 |old(~a12~0)|)) (.cse15 (not (= 7 |old(~a21~0)|))) (.cse9 (not .cse16)) (.cse1 (< |old(~a12~0)| 19)) (.cse25 (not (= 8 |old(~a15~0)|))) (.cse24 (and .cse17 .cse19 .cse27 .cse28)) (.cse22 (not (= 8 |old(~a21~0)|))) (.cse2 (< |old(~a21~0)| 10)) (.cse3 (not (= 1 |old(~a24~0)|))) (.cse21 (and .cse19 .cse14 .cse27)) (.cse7 (< 7 |old(~a15~0)|))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse3 .cse7) (or .cse8 (< |old(~a21~0)| 8) .cse3 .cse9) (or .cse10 .cse11 .cse9) (or .cse12 .cse8 .cse3 .cse9) (or .cse13 .cse14) (or .cse8 .cse15 .cse16 .cse3 .cse7) (or .cse6 .cse5 .cse9) (or .cse13 .cse5 .cse6) (or (and .cse17 .cse18 .cse19 .cse14) .cse5 .cse12 .cse16 .cse7) (or .cse0 .cse15 .cse1 .cse3 .cse4) (or (and .cse18 .cse17 .cse19 (= ~a15~0 |old(~a15~0)|)) (< 95442 |old(~a12~0)|) (or .cse12 .cse0 .cse3) .cse20) (or .cse21 .cse12 .cse3 (not (= 5 |old(~a15~0)|))) (or .cse0 .cse1 .cse4 .cse3 .cse22) (or .cse4 .cse2 .cse0 .cse3 .cse23) (or .cse24 (or .cse25 .cse26 .cse3 .cse23)) (or (forall ((v_~a12~0_452 Int)) (or (< |old(~a12~0)| (+ (mod v_~a12~0_452 299959) 286349)) (< v_~a12~0_452 0) (< v_~a12~0_452 |old(~a12~0)|))) .cse12 .cse3 .cse25 (and .cse17 (<= |old(~a21~0)| ~a21~0) .cse27 .cse28 (<= ~a21~0 6))) (or .cse0 .cse1 (and .cse17 .cse29 .cse27 .cse30) .cse3 (not (= |old(~a15~0)| |old(~a21~0)|))) (or .cse31 .cse24 .cse25 .cse3 .cse23) (or .cse8 .cse2 .cse9) (or .cse31 .cse3 .cse25 .cse20 .cse24) (or .cse0 .cse3 .cse23 .cse4 .cse22) (or .cse10 .cse3 .cse11 .cse7) (or (and .cse17 .cse29 .cse27 .cse28) .cse1 (or .cse25 .cse26 .cse10 .cse3)) (or (and .cse17 (= 7 ~a21~0) .cse14 .cse27) (or .cse25 .cse15 .cse3 .cse23)) (or .cse13 .cse32 .cse10) (or (< 0 (+ |old(~a12~0)| 460226)) .cse15 .cse3 .cse9 .cse17) (or .cse1 .cse25 .cse24 .cse22 .cse3 (< 73282 |old(~a12~0)|)) (or .cse2 .cse3 .cse21 .cse7)))) [2018-10-26 23:43:16,037 INFO L425 ceAbstractionStarter]: For program point L390(lines 390 870) no Hoare annotation was computed. [2018-10-26 23:43:16,037 INFO L425 ceAbstractionStarter]: For program point L258(lines 258 870) no Hoare annotation was computed. [2018-10-26 23:43:16,038 INFO L425 ceAbstractionStarter]: For program point L192(lines 20 872) no Hoare annotation was computed. [2018-10-26 23:43:16,038 INFO L425 ceAbstractionStarter]: For program point L126(lines 20 872) no Hoare annotation was computed. [2018-10-26 23:43:16,038 INFO L425 ceAbstractionStarter]: For program point L60(lines 20 872) no Hoare annotation was computed. [2018-10-26 23:43:16,038 INFO L425 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-10-26 23:43:16,038 INFO L425 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-10-26 23:43:16,038 INFO L425 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-10-26 23:43:16,038 INFO L425 ceAbstractionStarter]: For program point L854(lines 854 870) no Hoare annotation was computed. [2018-10-26 23:43:16,038 INFO L425 ceAbstractionStarter]: For program point L656(lines 656 870) no Hoare annotation was computed. [2018-10-26 23:43:16,038 INFO L425 ceAbstractionStarter]: For program point L524(lines 524 870) no Hoare annotation was computed. [2018-10-26 23:43:16,038 INFO L425 ceAbstractionStarter]: For program point L789(lines 789 870) no Hoare annotation was computed. [2018-10-26 23:43:16,038 INFO L425 ceAbstractionStarter]: For program point L591(lines 591 870) no Hoare annotation was computed. [2018-10-26 23:43:16,038 INFO L425 ceAbstractionStarter]: For program point L195(lines 20 872) no Hoare annotation was computed. [2018-10-26 23:43:16,038 INFO L425 ceAbstractionStarter]: For program point L129(lines 20 872) no Hoare annotation was computed. [2018-10-26 23:43:16,038 INFO L425 ceAbstractionStarter]: For program point L63(lines 20 872) no Hoare annotation was computed. [2018-10-26 23:43:16,038 INFO L425 ceAbstractionStarter]: For program point L724(lines 724 870) no Hoare annotation was computed. [2018-10-26 23:43:16,038 INFO L425 ceAbstractionStarter]: For program point L460(lines 460 870) no Hoare annotation was computed. [2018-10-26 23:43:16,038 INFO L425 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-10-26 23:43:16,038 INFO L425 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-10-26 23:43:16,038 INFO L425 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-10-26 23:43:16,039 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 870) no Hoare annotation was computed. [2018-10-26 23:43:16,039 INFO L425 ceAbstractionStarter]: For program point L396(lines 396 870) no Hoare annotation was computed. [2018-10-26 23:43:16,039 INFO L425 ceAbstractionStarter]: For program point L264(lines 264 870) no Hoare annotation was computed. [2018-10-26 23:43:16,039 INFO L425 ceAbstractionStarter]: For program point L198(lines 20 872) no Hoare annotation was computed. [2018-10-26 23:43:16,039 INFO L425 ceAbstractionStarter]: For program point L132(lines 20 872) no Hoare annotation was computed. [2018-10-26 23:43:16,039 INFO L425 ceAbstractionStarter]: For program point L66(lines 20 872) no Hoare annotation was computed. [2018-10-26 23:43:16,039 INFO L425 ceAbstractionStarter]: For program point L859(lines 859 870) no Hoare annotation was computed. [2018-10-26 23:43:16,039 INFO L425 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-10-26 23:43:16,039 INFO L425 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-10-26 23:43:16,039 INFO L425 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-10-26 23:43:16,039 INFO L425 ceAbstractionStarter]: For program point L662(lines 662 870) no Hoare annotation was computed. [2018-10-26 23:43:16,039 INFO L425 ceAbstractionStarter]: For program point L530(lines 530 870) no Hoare annotation was computed. [2018-10-26 23:43:16,039 INFO L425 ceAbstractionStarter]: For program point L795(lines 795 870) no Hoare annotation was computed. [2018-10-26 23:43:16,039 INFO L425 ceAbstractionStarter]: For program point L597(lines 597 870) no Hoare annotation was computed. [2018-10-26 23:43:16,039 INFO L425 ceAbstractionStarter]: For program point L201(lines 20 872) no Hoare annotation was computed. [2018-10-26 23:43:16,039 INFO L425 ceAbstractionStarter]: For program point L135(lines 20 872) no Hoare annotation was computed. [2018-10-26 23:43:16,039 INFO L425 ceAbstractionStarter]: For program point L69(lines 20 872) no Hoare annotation was computed. [2018-10-26 23:43:16,039 INFO L425 ceAbstractionStarter]: For program point L730(lines 730 870) no Hoare annotation was computed. [2018-10-26 23:43:16,039 INFO L425 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-10-26 23:43:16,039 INFO L425 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-10-26 23:43:16,039 INFO L425 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-10-26 23:43:16,039 INFO L425 ceAbstractionStarter]: For program point L467(lines 467 870) no Hoare annotation was computed. [2018-10-26 23:43:16,039 INFO L425 ceAbstractionStarter]: For program point L335(lines 335 870) no Hoare annotation was computed. [2018-10-26 23:43:16,039 INFO L425 ceAbstractionStarter]: For program point L269(lines 269 870) no Hoare annotation was computed. [2018-10-26 23:43:16,039 INFO L425 ceAbstractionStarter]: For program point L402(lines 402 870) no Hoare annotation was computed. [2018-10-26 23:43:16,039 INFO L425 ceAbstractionStarter]: For program point L138(lines 20 872) no Hoare annotation was computed. [2018-10-26 23:43:16,042 INFO L425 ceAbstractionStarter]: For program point L72(lines 20 872) no Hoare annotation was computed. [2018-10-26 23:43:16,042 INFO L425 ceAbstractionStarter]: For program point L865(lines 865 870) no Hoare annotation was computed. [2018-10-26 23:43:16,042 INFO L425 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-10-26 23:43:16,042 INFO L425 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-10-26 23:43:16,042 INFO L425 ceAbstractionStarter]: For program point L668(lines 668 870) no Hoare annotation was computed. [2018-10-26 23:43:16,042 INFO L425 ceAbstractionStarter]: For program point L536(lines 536 870) no Hoare annotation was computed. [2018-10-26 23:43:16,042 INFO L425 ceAbstractionStarter]: For program point L801(lines 801 870) no Hoare annotation was computed. [2018-10-26 23:43:16,042 INFO L425 ceAbstractionStarter]: For program point L735(lines 735 870) no Hoare annotation was computed. [2018-10-26 23:43:16,042 INFO L425 ceAbstractionStarter]: For program point L603(lines 603 870) no Hoare annotation was computed. [2018-10-26 23:43:16,042 INFO L425 ceAbstractionStarter]: For program point L141(lines 20 872) no Hoare annotation was computed. [2018-10-26 23:43:16,042 INFO L425 ceAbstractionStarter]: For program point L75(lines 20 872) no Hoare annotation was computed. [2018-10-26 23:43:16,043 INFO L425 ceAbstractionStarter]: For program point L472(lines 472 870) no Hoare annotation was computed. [2018-10-26 23:43:16,043 INFO L425 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-10-26 23:43:16,043 INFO L425 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-10-26 23:43:16,043 INFO L425 ceAbstractionStarter]: For program point L341(lines 341 870) no Hoare annotation was computed. [2018-10-26 23:43:16,043 INFO L425 ceAbstractionStarter]: For program point L275(lines 275 870) no Hoare annotation was computed. [2018-10-26 23:43:16,043 INFO L425 ceAbstractionStarter]: For program point L408(lines 408 870) no Hoare annotation was computed. [2018-10-26 23:43:16,043 INFO L425 ceAbstractionStarter]: For program point L144(lines 20 872) no Hoare annotation was computed. [2018-10-26 23:43:16,043 INFO L425 ceAbstractionStarter]: For program point L78(lines 20 872) no Hoare annotation was computed. [2018-10-26 23:43:16,043 INFO L425 ceAbstractionStarter]: For program point L541(lines 541 870) no Hoare annotation was computed. [2018-10-26 23:43:16,043 INFO L425 ceAbstractionStarter]: For program point L211(lines 211 870) no Hoare annotation was computed. [2018-10-26 23:43:16,043 INFO L425 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-10-26 23:43:16,043 INFO L425 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-10-26 23:43:16,043 INFO L425 ceAbstractionStarter]: For program point L674(lines 674 870) no Hoare annotation was computed. [2018-10-26 23:43:16,043 INFO L425 ceAbstractionStarter]: For program point L807(lines 807 870) no Hoare annotation was computed. [2018-10-26 23:43:16,043 INFO L425 ceAbstractionStarter]: For program point L741(lines 741 870) no Hoare annotation was computed. [2018-10-26 23:43:16,043 INFO L425 ceAbstractionStarter]: For program point L609(lines 609 870) no Hoare annotation was computed. [2018-10-26 23:43:16,044 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 175) no Hoare annotation was computed. [2018-10-26 23:43:16,044 INFO L425 ceAbstractionStarter]: For program point L147(lines 20 872) no Hoare annotation was computed. [2018-10-26 23:43:16,044 INFO L425 ceAbstractionStarter]: For program point L81(lines 20 872) no Hoare annotation was computed. [2018-10-26 23:43:16,044 INFO L425 ceAbstractionStarter]: For program point L478(lines 478 870) no Hoare annotation was computed. [2018-10-26 23:43:16,044 INFO L425 ceAbstractionStarter]: For program point L280(lines 280 870) no Hoare annotation was computed. [2018-10-26 23:43:16,044 INFO L425 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-10-26 23:43:16,044 INFO L425 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-10-26 23:43:16,044 INFO L425 ceAbstractionStarter]: For program point L677(lines 677 870) no Hoare annotation was computed. [2018-10-26 23:43:16,044 INFO L425 ceAbstractionStarter]: For program point L347(lines 347 870) no Hoare annotation was computed. [2018-10-26 23:43:16,044 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 870) no Hoare annotation was computed. [2018-10-26 23:43:16,044 INFO L425 ceAbstractionStarter]: For program point L150(lines 20 872) no Hoare annotation was computed. [2018-10-26 23:43:16,044 INFO L425 ceAbstractionStarter]: For program point L84(lines 20 872) no Hoare annotation was computed. [2018-10-26 23:43:16,044 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 872) no Hoare annotation was computed. [2018-10-26 23:43:16,044 INFO L425 ceAbstractionStarter]: For program point L547(lines 547 870) no Hoare annotation was computed. [2018-10-26 23:43:16,044 INFO L425 ceAbstractionStarter]: For program point L217(lines 217 870) no Hoare annotation was computed. [2018-10-26 23:43:16,045 INFO L425 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-10-26 23:43:16,045 INFO L425 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-10-26 23:43:16,045 INFO L425 ceAbstractionStarter]: For program point L747(lines 747 870) no Hoare annotation was computed. [2018-10-26 23:43:16,045 INFO L425 ceAbstractionStarter]: For program point L615(lines 615 870) no Hoare annotation was computed. [2018-10-26 23:43:16,045 INFO L425 ceAbstractionStarter]: For program point L153(lines 20 872) no Hoare annotation was computed. [2018-10-26 23:43:16,045 INFO L425 ceAbstractionStarter]: For program point L87(lines 20 872) no Hoare annotation was computed. [2018-10-26 23:43:16,045 INFO L425 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-10-26 23:43:16,045 INFO L425 ceAbstractionStarter]: For program point L21-1(lines 20 872) no Hoare annotation was computed. [2018-10-26 23:43:16,045 INFO L425 ceAbstractionStarter]: For program point L814(lines 814 870) no Hoare annotation was computed. [2018-10-26 23:43:16,045 INFO L425 ceAbstractionStarter]: For program point L484(lines 484 870) no Hoare annotation was computed. [2018-10-26 23:43:16,045 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 870) no Hoare annotation was computed. [2018-10-26 23:43:16,045 INFO L425 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-10-26 23:43:16,045 INFO L425 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-10-26 23:43:16,045 INFO L425 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-10-26 23:43:16,045 INFO L425 ceAbstractionStarter]: For program point L683(lines 683 870) no Hoare annotation was computed. [2018-10-26 23:43:16,045 INFO L425 ceAbstractionStarter]: For program point L353(lines 353 870) no Hoare annotation was computed. [2018-10-26 23:43:16,046 INFO L425 ceAbstractionStarter]: For program point L552(lines 552 870) no Hoare annotation was computed. [2018-10-26 23:43:16,046 INFO L425 ceAbstractionStarter]: For program point L420(lines 420 870) no Hoare annotation was computed. [2018-10-26 23:43:16,046 INFO L425 ceAbstractionStarter]: For program point L156(lines 20 872) no Hoare annotation was computed. [2018-10-26 23:43:16,046 INFO L425 ceAbstractionStarter]: For program point L90(lines 20 872) no Hoare annotation was computed. [2018-10-26 23:43:16,046 INFO L425 ceAbstractionStarter]: For program point L24(lines 20 872) no Hoare annotation was computed. [2018-10-26 23:43:16,046 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 870) no Hoare annotation was computed. [2018-10-26 23:43:16,046 INFO L425 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-10-26 23:43:16,046 INFO L425 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-10-26 23:43:16,046 INFO L425 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-10-26 23:43:16,046 INFO L425 ceAbstractionStarter]: For program point L752(lines 752 870) no Hoare annotation was computed. [2018-10-26 23:43:16,046 INFO L425 ceAbstractionStarter]: For program point L819(lines 819 870) no Hoare annotation was computed. [2018-10-26 23:43:16,046 INFO L425 ceAbstractionStarter]: For program point L621(lines 621 870) no Hoare annotation was computed. [2018-10-26 23:43:16,046 INFO L425 ceAbstractionStarter]: For program point L555(lines 555 870) no Hoare annotation was computed. [2018-10-26 23:43:16,046 INFO L425 ceAbstractionStarter]: For program point L159(lines 20 872) no Hoare annotation was computed. [2018-10-26 23:43:16,046 INFO L425 ceAbstractionStarter]: For program point L93(lines 20 872) no Hoare annotation was computed. [2018-10-26 23:43:16,046 INFO L425 ceAbstractionStarter]: For program point L27(lines 20 872) no Hoare annotation was computed. [2018-10-26 23:43:16,046 INFO L425 ceAbstractionStarter]: For program point L688(lines 688 870) no Hoare annotation was computed. [2018-10-26 23:43:16,047 INFO L425 ceAbstractionStarter]: For program point L490(lines 490 870) no Hoare annotation was computed. [2018-10-26 23:43:16,047 INFO L425 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-10-26 23:43:16,047 INFO L425 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-10-26 23:43:16,047 INFO L425 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-10-26 23:43:16,047 INFO L425 ceAbstractionStarter]: For program point L359(lines 359 870) no Hoare annotation was computed. [2018-10-26 23:43:16,047 INFO L425 ceAbstractionStarter]: For program point L293(lines 293 870) no Hoare annotation was computed. [2018-10-26 23:43:16,047 INFO L425 ceAbstractionStarter]: For program point L426(lines 426 870) no Hoare annotation was computed. [2018-10-26 23:43:16,047 INFO L425 ceAbstractionStarter]: For program point L162(lines 20 872) no Hoare annotation was computed. [2018-10-26 23:43:16,047 INFO L425 ceAbstractionStarter]: For program point L96(lines 20 872) no Hoare annotation was computed. [2018-10-26 23:43:16,047 INFO L425 ceAbstractionStarter]: For program point L30(lines 20 872) no Hoare annotation was computed. [2018-10-26 23:43:16,047 INFO L425 ceAbstractionStarter]: For program point L229(lines 229 870) no Hoare annotation was computed. [2018-10-26 23:43:16,047 INFO L425 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-10-26 23:43:16,047 INFO L425 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-10-26 23:43:16,047 INFO L425 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-10-26 23:43:16,047 INFO L425 ceAbstractionStarter]: For program point L758(lines 758 870) no Hoare annotation was computed. [2018-10-26 23:43:16,047 INFO L425 ceAbstractionStarter]: For program point L626(lines 626 870) no Hoare annotation was computed. [2018-10-26 23:43:16,047 INFO L425 ceAbstractionStarter]: For program point L825(lines 825 870) no Hoare annotation was computed. [2018-10-26 23:43:16,060 INFO L425 ceAbstractionStarter]: For program point L561(lines 561 870) no Hoare annotation was computed. [2018-10-26 23:43:16,060 INFO L425 ceAbstractionStarter]: For program point L495(lines 495 870) no Hoare annotation was computed. [2018-10-26 23:43:16,060 INFO L425 ceAbstractionStarter]: For program point L165(lines 20 872) no Hoare annotation was computed. [2018-10-26 23:43:16,060 INFO L425 ceAbstractionStarter]: For program point L99(lines 20 872) no Hoare annotation was computed. [2018-10-26 23:43:16,060 INFO L425 ceAbstractionStarter]: For program point L33(lines 20 872) no Hoare annotation was computed. [2018-10-26 23:43:16,060 INFO L425 ceAbstractionStarter]: For program point L694(lines 694 870) no Hoare annotation was computed. [2018-10-26 23:43:16,060 INFO L425 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-10-26 23:43:16,060 INFO L425 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-10-26 23:43:16,060 INFO L425 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-10-26 23:43:16,060 INFO L425 ceAbstractionStarter]: For program point L299(lines 299 870) no Hoare annotation was computed. [2018-10-26 23:43:16,060 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-26 23:43:16,061 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 7 ~a21~0) (= 1 ~a24~0) (= 8 ~a15~0) (<= (+ ~a12~0 49) 0)) [2018-10-26 23:43:16,061 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-10-26 23:43:16,061 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-26 23:43:16,061 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 874 890) the Hoare annotation is: (or (< 0 (+ |old(~a12~0)| 49)) (not (= 8 |old(~a15~0)|)) (not (= 7 |old(~a21~0)|)) (not (= 1 |old(~a24~0)|)) (and (= ~a12~0 |old(~a12~0)|) (= ~a21~0 |old(~a21~0)|) (= 1 ~a24~0) (= 8 ~a15~0))) [2018-10-26 23:43:16,061 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 874 890) no Hoare annotation was computed. [2018-10-26 23:43:16,061 INFO L421 ceAbstractionStarter]: At program point L888(line 888) the Hoare annotation is: (let ((.cse9 (= 1 ~a24~0)) (.cse8 (<= ~a15~0 7)) (.cse10 (= 7 ~a15~0)) (.cse19 (not (= 1 |old(~a24~0)|))) (.cse21 (+ ~a12~0 43))) (let ((.cse12 (= 7 ~a21~0)) (.cse6 (<= 19 ~a12~0)) (.cse11 (<= |old(~a12~0)| ~a12~0)) (.cse1 (= ~a21~0 10)) (.cse18 (= ~a21~0 8)) (.cse14 (= ~a15~0 9)) (.cse4 (< 0 .cse21)) (.cse17 (= 8 ~a15~0)) (.cse13 (<= 8 ~a21~0)) (.cse0 (= ~a24~0 |old(~a24~0)|)) (.cse2 (<= ~a12~0 11)) (.cse3 (= ~a15~0 |old(~a15~0)|)) (.cse22 (<= 10 ~a21~0)) (.cse5 (<= ~a12~0 80)) (.cse15 (and .cse9 (and .cse8 (not .cse10) (or (not (= 9 |old(~a21~0)|)) (not (= |old(~a21~0)| |old(~a15~0)|)) .cse19)))) (.cse20 (<= 95381 ~a12~0)) (.cse7 (= 6 ~a21~0)) (.cse16 (= 9 ~a15~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and (and .cse5 (= ~a21~0 9)) .cse0 .cse3 .cse6) (and .cse7 (and .cse8 (<= (+ ~a12~0 49) 0))) (and (and .cse5 (<= ~a15~0 6)) .cse9) (not (= 7 |old(~a21~0)|)) (and (and .cse9 .cse10) .cse7) (and .cse11 (and .cse2 .cse12) .cse3 .cse9) (< 0 (+ |old(~a12~0)| 49)) (and .cse9 .cse13 .cse14 .cse6) (and .cse12 .cse15) (and (and .cse12 .cse9 .cse16) .cse6) (and (<= ~a12~0 73282) .cse9 (and .cse17 .cse18) .cse6) .cse19 (and .cse20 (and (and .cse9 .cse17) .cse1)) (and .cse11 (and .cse9 (<= .cse21 0)) .cse1 .cse3) (not (= 8 |old(~a15~0)|)) (and .cse18 .cse9 .cse14 .cse2) (and .cse9 .cse8 .cse22) (and .cse4 (and .cse9 .cse17 (= 9 ~a21~0) .cse2)) (and .cse13 .cse0 .cse10) (and (and .cse9 .cse22 .cse16) .cse2) (and (exists ((v_~a12~0_452 Int)) (and (<= (+ (mod v_~a12~0_452 299959) 286349) ~a12~0) (<= 0 v_~a12~0_452) (<= 95381 v_~a12~0_452))) (and .cse7 .cse9) .cse3) (and .cse10 .cse22) (= 6 ~a15~0) (and .cse5 .cse10) (and .cse7 (= 5 ~a15~0) .cse15) (and .cse20 (and .cse9 (and .cse7 .cse16)) (<= ~a12~0 95442))))) [2018-10-26 23:43:16,061 INFO L425 ceAbstractionStarter]: For program point L888-1(line 888) no Hoare annotation was computed. [2018-10-26 23:43:16,061 INFO L425 ceAbstractionStarter]: For program point L885(line 885) no Hoare annotation was computed. [2018-10-26 23:43:16,061 INFO L425 ceAbstractionStarter]: For program point L880-1(lines 880 889) no Hoare annotation was computed. [2018-10-26 23:43:16,062 INFO L421 ceAbstractionStarter]: At program point L880-3(lines 880 889) the Hoare annotation is: (let ((.cse9 (= 1 ~a24~0)) (.cse8 (<= ~a15~0 7)) (.cse10 (= 7 ~a15~0)) (.cse19 (not (= 1 |old(~a24~0)|))) (.cse21 (+ ~a12~0 43))) (let ((.cse12 (= 7 ~a21~0)) (.cse6 (<= 19 ~a12~0)) (.cse11 (<= |old(~a12~0)| ~a12~0)) (.cse1 (= ~a21~0 10)) (.cse18 (= ~a21~0 8)) (.cse14 (= ~a15~0 9)) (.cse4 (< 0 .cse21)) (.cse17 (= 8 ~a15~0)) (.cse13 (<= 8 ~a21~0)) (.cse0 (= ~a24~0 |old(~a24~0)|)) (.cse2 (<= ~a12~0 11)) (.cse3 (= ~a15~0 |old(~a15~0)|)) (.cse22 (<= 10 ~a21~0)) (.cse5 (<= ~a12~0 80)) (.cse15 (and .cse9 (and .cse8 (not .cse10) (or (not (= 9 |old(~a21~0)|)) (not (= |old(~a21~0)| |old(~a15~0)|)) .cse19)))) (.cse20 (<= 95381 ~a12~0)) (.cse7 (= 6 ~a21~0)) (.cse16 (= 9 ~a15~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and (and .cse5 (= ~a21~0 9)) .cse0 .cse3 .cse6) (and .cse7 (and .cse8 (<= (+ ~a12~0 49) 0))) (and (and .cse5 (<= ~a15~0 6)) .cse9) (not (= 7 |old(~a21~0)|)) (and (and .cse9 .cse10) .cse7) (and .cse11 (and .cse2 .cse12) .cse3 .cse9) (< 0 (+ |old(~a12~0)| 49)) (and .cse9 .cse13 .cse14 .cse6) (and .cse12 .cse15) (and (and .cse12 .cse9 .cse16) .cse6) (and (<= ~a12~0 73282) .cse9 (and .cse17 .cse18) .cse6) .cse19 (and .cse20 (and (and .cse9 .cse17) .cse1)) (and .cse11 (and .cse9 (<= .cse21 0)) .cse1 .cse3) (not (= 8 |old(~a15~0)|)) (and .cse18 .cse9 .cse14 .cse2) (and .cse9 .cse8 .cse22) (and .cse4 (and .cse9 .cse17 (= 9 ~a21~0) .cse2)) (and .cse13 .cse0 .cse10) (and (and .cse9 .cse22 .cse16) .cse2) (and (exists ((v_~a12~0_452 Int)) (and (<= (+ (mod v_~a12~0_452 299959) 286349) ~a12~0) (<= 0 v_~a12~0_452) (<= 95381 v_~a12~0_452))) (and .cse7 .cse9) .cse3) (and .cse10 .cse22) (= 6 ~a15~0) (and .cse5 .cse10) (and .cse7 (= 5 ~a15~0) .cse15) (and .cse20 (and .cse9 (and .cse7 .cse16)) (<= ~a12~0 95442))))) [2018-10-26 23:43:16,062 INFO L425 ceAbstractionStarter]: For program point L880-4(lines 874 890) no Hoare annotation was computed. [2018-10-26 23:43:16,071 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_452,QUANTIFIED] [2018-10-26 23:43:16,071 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_452,QUANTIFIED] [2018-10-26 23:43:16,089 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_452,QUANTIFIED] [2018-10-26 23:43:16,105 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_452,QUANTIFIED] [2018-10-26 23:43:16,105 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_452,QUANTIFIED] [2018-10-26 23:43:16,105 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_452,QUANTIFIED] [2018-10-26 23:43:16,118 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 11:43:16 BoogieIcfgContainer [2018-10-26 23:43:16,118 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-26 23:43:16,118 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 23:43:16,118 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 23:43:16,119 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 23:43:16,119 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 11:41:05" (3/4) ... [2018-10-26 23:43:16,122 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-26 23:43:16,129 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-10-26 23:43:16,129 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-10-26 23:43:16,129 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-10-26 23:43:16,146 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-10-26 23:43:16,147 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-10-26 23:43:16,172 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((((((((((((((a24 == \old(a24) && a21 == 10) && a12 <= 11) && a15 == \old(a15)) && 0 < a12 + 43) || ((((a12 <= 80 && a21 == 9) && a24 == \old(a24)) && a15 == \old(a15)) && 19 <= a12)) || (6 == a21 && a15 <= 7 && a12 + 49 <= 0)) || ((a12 <= 80 && a15 <= 6) && 1 == a24)) || !(7 == \old(a21))) || ((1 == a24 && 7 == a15) && 6 == a21)) || (((\old(a12) <= a12 && a12 <= 11 && 7 == a21) && a15 == \old(a15)) && 1 == a24)) || 0 < \old(a12) + 49) || (((1 == a24 && 8 <= a21) && a15 == 9) && 19 <= a12)) || (7 == a21 && 1 == a24 && (a15 <= 7 && !(7 == a15)) && ((!(9 == \old(a21)) || !(\old(a21) == \old(a15))) || !(1 == \old(a24))))) || (((7 == a21 && 1 == a24) && 9 == a15) && 19 <= a12)) || (((a12 <= 73282 && 1 == a24) && 8 == a15 && a21 == 8) && 19 <= a12)) || !(1 == \old(a24))) || (95381 <= a12 && (1 == a24 && 8 == a15) && a21 == 10)) || (((\old(a12) <= a12 && 1 == a24 && a12 + 43 <= 0) && a21 == 10) && a15 == \old(a15))) || !(8 == \old(a15))) || (((a21 == 8 && 1 == a24) && a15 == 9) && a12 <= 11)) || ((1 == a24 && a15 <= 7) && 10 <= a21)) || (0 < a12 + 43 && ((1 == a24 && 8 == a15) && 9 == a21) && a12 <= 11)) || ((8 <= a21 && a24 == \old(a24)) && 7 == a15)) || (((1 == a24 && 10 <= a21) && 9 == a15) && a12 <= 11)) || (((\exists v_~a12~0_452 : int :: (v_~a12~0_452 % 299959 + 286349 <= a12 && 0 <= v_~a12~0_452) && 95381 <= v_~a12~0_452) && 6 == a21 && 1 == a24) && a15 == \old(a15))) || (7 == a15 && 10 <= a21)) || 6 == a15) || (a12 <= 80 && 7 == a15)) || ((6 == a21 && 5 == a15) && 1 == a24 && (a15 <= 7 && !(7 == a15)) && ((!(9 == \old(a21)) || !(\old(a21) == \old(a15))) || !(1 == \old(a24))))) || ((95381 <= a12 && 1 == a24 && 6 == a21 && 9 == a15) && a12 <= 95442) [2018-10-26 23:43:16,267 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_ca9ccc42-3028-4661-8b7f-c687fa5cb7ec/bin-2019/uautomizer/witness.graphml [2018-10-26 23:43:16,267 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 23:43:16,269 INFO L168 Benchmark]: Toolchain (without parser) took 134571.14 ms. Allocated memory was 1.0 GB in the beginning and 3.9 GB in the end (delta: 2.9 GB). Free memory was 958.5 MB in the beginning and 2.8 GB in the end (delta: -1.8 GB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. [2018-10-26 23:43:16,269 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 23:43:16,269 INFO L168 Benchmark]: CACSL2BoogieTranslator took 570.02 ms. Allocated memory is still 1.0 GB. Free memory was 958.5 MB in the beginning and 915.5 MB in the end (delta: 43.0 MB). Peak memory consumption was 43.0 MB. Max. memory is 11.5 GB. [2018-10-26 23:43:16,270 INFO L168 Benchmark]: Boogie Preprocessor took 288.09 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 915.5 MB in the beginning and 1.1 GB in the end (delta: -222.8 MB). Peak memory consumption was 28.3 MB. Max. memory is 11.5 GB. [2018-10-26 23:43:16,270 INFO L168 Benchmark]: RCFGBuilder took 3165.06 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: 120.1 MB). Peak memory consumption was 120.1 MB. Max. memory is 11.5 GB. [2018-10-26 23:43:16,270 INFO L168 Benchmark]: TraceAbstraction took 130393.98 ms. Allocated memory was 1.2 GB in the beginning and 3.9 GB in the end (delta: 2.7 GB). Free memory was 1.0 GB in the beginning and 2.8 GB in the end (delta: -1.8 GB). Peak memory consumption was 2.8 GB. Max. memory is 11.5 GB. [2018-10-26 23:43:16,270 INFO L168 Benchmark]: Witness Printer took 148.95 ms. Allocated memory is still 3.9 GB. Free memory is still 2.8 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 23:43:16,274 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 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 570.02 ms. Allocated memory is still 1.0 GB. Free memory was 958.5 MB in the beginning and 915.5 MB in the end (delta: 43.0 MB). Peak memory consumption was 43.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 288.09 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 915.5 MB in the beginning and 1.1 GB in the end (delta: -222.8 MB). Peak memory consumption was 28.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 3165.06 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: 120.1 MB). Peak memory consumption was 120.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 130393.98 ms. Allocated memory was 1.2 GB in the beginning and 3.9 GB in the end (delta: 2.7 GB). Free memory was 1.0 GB in the beginning and 2.8 GB in the end (delta: -1.8 GB). Peak memory consumption was 2.8 GB. Max. memory is 11.5 GB. * Witness Printer took 148.95 ms. Allocated memory is still 3.9 GB. Free memory is still 2.8 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_452,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_452,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_452,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_452,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_452,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_452,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 175]: 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: 880]: Loop Invariant [2018-10-26 23:43:16,278 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_452,QUANTIFIED] [2018-10-26 23:43:16,279 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_452,QUANTIFIED] [2018-10-26 23:43:16,279 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_452,QUANTIFIED] [2018-10-26 23:43:16,289 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_452,QUANTIFIED] [2018-10-26 23:43:16,290 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_452,QUANTIFIED] [2018-10-26 23:43:16,290 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_452,QUANTIFIED] Derived loop invariant: (((((((((((((((((((((((((((((a24 == \old(a24) && a21 == 10) && a12 <= 11) && a15 == \old(a15)) && 0 < a12 + 43) || ((((a12 <= 80 && a21 == 9) && a24 == \old(a24)) && a15 == \old(a15)) && 19 <= a12)) || (6 == a21 && a15 <= 7 && a12 + 49 <= 0)) || ((a12 <= 80 && a15 <= 6) && 1 == a24)) || !(7 == \old(a21))) || ((1 == a24 && 7 == a15) && 6 == a21)) || (((\old(a12) <= a12 && a12 <= 11 && 7 == a21) && a15 == \old(a15)) && 1 == a24)) || 0 < \old(a12) + 49) || (((1 == a24 && 8 <= a21) && a15 == 9) && 19 <= a12)) || (7 == a21 && 1 == a24 && (a15 <= 7 && !(7 == a15)) && ((!(9 == \old(a21)) || !(\old(a21) == \old(a15))) || !(1 == \old(a24))))) || (((7 == a21 && 1 == a24) && 9 == a15) && 19 <= a12)) || (((a12 <= 73282 && 1 == a24) && 8 == a15 && a21 == 8) && 19 <= a12)) || !(1 == \old(a24))) || (95381 <= a12 && (1 == a24 && 8 == a15) && a21 == 10)) || (((\old(a12) <= a12 && 1 == a24 && a12 + 43 <= 0) && a21 == 10) && a15 == \old(a15))) || !(8 == \old(a15))) || (((a21 == 8 && 1 == a24) && a15 == 9) && a12 <= 11)) || ((1 == a24 && a15 <= 7) && 10 <= a21)) || (0 < a12 + 43 && ((1 == a24 && 8 == a15) && 9 == a21) && a12 <= 11)) || ((8 <= a21 && a24 == \old(a24)) && 7 == a15)) || (((1 == a24 && 10 <= a21) && 9 == a15) && a12 <= 11)) || (((\exists v_~a12~0_452 : int :: (v_~a12~0_452 % 299959 + 286349 <= a12 && 0 <= v_~a12~0_452) && 95381 <= v_~a12~0_452) && 6 == a21 && 1 == a24) && a15 == \old(a15))) || (7 == a15 && 10 <= a21)) || 6 == a15) || (a12 <= 80 && 7 == a15)) || ((6 == a21 && 5 == a15) && 1 == a24 && (a15 <= 7 && !(7 == a15)) && ((!(9 == \old(a21)) || !(\old(a21) == \old(a15))) || !(1 == \old(a24))))) || ((95381 <= a12 && 1 == a24 && 6 == a21 && 9 == a15) && a12 <= 95442) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 255 locations, 1 error locations. SAFE Result, 130.2s OverallTime, 18 OverallIterations, 16 TraceHistogramMax, 75.7s AutomataDifference, 0.0s DeadEndRemovalTime, 10.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1327 SDtfs, 64204 SDslu, 4576 SDs, 0 SdLazy, 75636 SolverSat, 7928 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 39.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 13495 GetRequests, 12889 SyntacticMatches, 10 SemanticMatches, 596 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16452 ImplicationChecksByTransitivity, 39.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7076occurred 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: 1.7s AutomataMinimizationTime, 18 MinimizatonAttempts, 2607 StatesRemovedByMinimization, 14 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 540 PreInvPairs, 770 NumberOfFragments, 1569 HoareAnnotationTreeSize, 540 FomulaSimplifications, 854420 FormulaSimplificationTreeSizeReduction, 3.3s HoareSimplificationTime, 7 FomulaSimplificationsInter, 103010 FormulaSimplificationTreeSizeReductionInter, 6.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.6s SsaConstructionTime, 2.4s SatisfiabilityAnalysisTime, 25.6s InterpolantComputationTime, 26285 NumberOfCodeBlocks, 26285 NumberOfCodeBlocksAsserted, 33 NumberOfCheckSat, 26252 ConstructedInterpolants, 7 QuantifiedInterpolants, 115089272 SizeOfPredicates, 16 NumberOfNonLiveVariables, 17883 ConjunctsInSsa, 115 ConjunctsInUnsatCore, 33 InterpolantComputations, 6 PerfectInterpolantSequences, 72868/91892 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...