./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label45_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_48d131a8-8717-4e3e-a630-89595be46c66/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_48d131a8-8717-4e3e-a630-89595be46c66/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_48d131a8-8717-4e3e-a630-89595be46c66/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_48d131a8-8717-4e3e-a630-89595be46c66/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label45_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_48d131a8-8717-4e3e-a630-89595be46c66/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_48d131a8-8717-4e3e-a630-89595be46c66/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 3a5c86310b0cee0c3fda3eee1e81be72e3f86b95 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 08:45:40,911 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 08:45:40,912 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 08:45:40,919 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 08:45:40,920 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 08:45:40,920 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 08:45:40,921 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 08:45:40,922 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 08:45:40,923 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 08:45:40,924 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 08:45:40,924 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 08:45:40,925 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 08:45:40,925 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 08:45:40,926 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 08:45:40,927 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 08:45:40,927 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 08:45:40,928 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 08:45:40,929 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 08:45:40,930 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 08:45:40,931 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 08:45:40,932 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 08:45:40,932 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 08:45:40,934 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 08:45:40,934 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 08:45:40,934 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 08:45:40,935 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 08:45:40,935 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 08:45:40,936 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 08:45:40,936 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 08:45:40,937 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 08:45:40,937 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 08:45:40,938 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 08:45:40,938 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 08:45:40,938 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 08:45:40,939 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 08:45:40,939 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 08:45:40,939 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_48d131a8-8717-4e3e-a630-89595be46c66/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-10 08:45:40,949 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 08:45:40,949 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 08:45:40,949 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 08:45:40,950 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 08:45:40,950 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 08:45:40,950 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 08:45:40,950 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 08:45:40,950 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 08:45:40,951 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 08:45:40,951 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 08:45:40,951 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 08:45:40,951 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 08:45:40,951 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 08:45:40,951 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 08:45:40,951 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 08:45:40,951 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 08:45:40,952 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 08:45:40,952 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 08:45:40,952 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 08:45:40,952 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 08:45:40,952 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 08:45:40,952 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 08:45:40,952 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 08:45:40,953 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 08:45:40,953 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 08:45:40,953 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 08:45:40,953 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-10 08:45:40,953 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 08:45:40,953 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 08:45:40,953 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_48d131a8-8717-4e3e-a630-89595be46c66/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 -> 3a5c86310b0cee0c3fda3eee1e81be72e3f86b95 [2018-11-10 08:45:40,976 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 08:45:40,985 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 08:45:40,987 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 08:45:40,988 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 08:45:40,988 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 08:45:40,988 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_48d131a8-8717-4e3e-a630-89595be46c66/bin-2019/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem14_label45_true-unreach-call_false-termination.c [2018-11-10 08:45:41,024 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_48d131a8-8717-4e3e-a630-89595be46c66/bin-2019/uautomizer/data/93afb3a45/8b5eceecbfe2405eae803c66e0452164/FLAG567ccad48 [2018-11-10 08:45:41,492 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 08:45:41,492 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_48d131a8-8717-4e3e-a630-89595be46c66/sv-benchmarks/c/eca-rers2012/Problem14_label45_true-unreach-call_false-termination.c [2018-11-10 08:45:41,501 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_48d131a8-8717-4e3e-a630-89595be46c66/bin-2019/uautomizer/data/93afb3a45/8b5eceecbfe2405eae803c66e0452164/FLAG567ccad48 [2018-11-10 08:45:41,512 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_48d131a8-8717-4e3e-a630-89595be46c66/bin-2019/uautomizer/data/93afb3a45/8b5eceecbfe2405eae803c66e0452164 [2018-11-10 08:45:41,515 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 08:45:41,516 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-10 08:45:41,517 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 08:45:41,517 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 08:45:41,520 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 08:45:41,521 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 08:45:41" (1/1) ... [2018-11-10 08:45:41,523 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1dc2202b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:45:41, skipping insertion in model container [2018-11-10 08:45:41,523 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 08:45:41" (1/1) ... [2018-11-10 08:45:41,532 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 08:45:41,571 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 08:45:41,803 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 08:45:41,806 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 08:45:41,892 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 08:45:41,905 INFO L193 MainTranslator]: Completed translation [2018-11-10 08:45:41,905 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:45:41 WrapperNode [2018-11-10 08:45:41,905 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 08:45:41,906 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 08:45:41,906 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 08:45:41,906 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 08:45:41,917 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:45:41" (1/1) ... [2018-11-10 08:45:41,917 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:45:41" (1/1) ... [2018-11-10 08:45:41,997 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:45:41" (1/1) ... [2018-11-10 08:45:41,997 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:45:41" (1/1) ... [2018-11-10 08:45:42,023 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:45:41" (1/1) ... [2018-11-10 08:45:42,034 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:45:41" (1/1) ... [2018-11-10 08:45:42,039 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:45:41" (1/1) ... [2018-11-10 08:45:42,043 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 08:45:42,044 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 08:45:42,044 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 08:45:42,044 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 08:45:42,045 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:45:41" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_48d131a8-8717-4e3e-a630-89595be46c66/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 08:45:42,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 08:45:42,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 08:45:42,087 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-10 08:45:42,087 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 08:45:42,087 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-10 08:45:42,087 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-10 08:45:42,087 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-10 08:45:42,088 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-10 08:45:42,088 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 08:45:42,088 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 08:45:42,088 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 08:45:43,086 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 08:45:43,086 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 08:45:43 BoogieIcfgContainer [2018-11-10 08:45:43,086 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 08:45:43,087 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 08:45:43,087 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 08:45:43,090 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 08:45:43,090 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 08:45:41" (1/3) ... [2018-11-10 08:45:43,091 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27ad70c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 08:45:43, skipping insertion in model container [2018-11-10 08:45:43,091 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:45:41" (2/3) ... [2018-11-10 08:45:43,091 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27ad70c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 08:45:43, skipping insertion in model container [2018-11-10 08:45:43,091 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 08:45:43" (3/3) ... [2018-11-10 08:45:43,093 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem14_label45_true-unreach-call_false-termination.c [2018-11-10 08:45:43,099 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 08:45:43,105 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 08:45:43,114 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 08:45:43,141 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 08:45:43,141 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 08:45:43,141 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 08:45:43,142 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 08:45:43,142 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 08:45:43,142 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 08:45:43,142 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 08:45:43,142 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 08:45:43,142 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 08:45:43,162 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states. [2018-11-10 08:45:43,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-10 08:45:43,167 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 08:45:43,168 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] [2018-11-10 08:45:43,170 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 08:45:43,174 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 08:45:43,174 INFO L82 PathProgramCache]: Analyzing trace with hash -1525638783, now seen corresponding path program 1 times [2018-11-10 08:45:43,176 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 08:45:43,176 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 08:45:43,217 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 08:45:43,218 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 08:45:43,218 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 08:45:43,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:45:43,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 08:45:43,400 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 08:45:43,400 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-10 08:45:43,403 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-10 08:45:43,412 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-10 08:45:43,412 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-10 08:45:43,414 INFO L87 Difference]: Start difference. First operand 255 states. Second operand 4 states. [2018-11-10 08:45:44,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 08:45:44,577 INFO L93 Difference]: Finished difference Result 894 states and 1610 transitions. [2018-11-10 08:45:44,578 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-10 08:45:44,579 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 43 [2018-11-10 08:45:44,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 08:45:44,603 INFO L225 Difference]: With dead ends: 894 [2018-11-10 08:45:44,603 INFO L226 Difference]: Without dead ends: 633 [2018-11-10 08:45:44,608 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-10 08:45:44,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 633 states. [2018-11-10 08:45:44,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 633 to 434. [2018-11-10 08:45:44,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 434 states. [2018-11-10 08:45:44,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 662 transitions. [2018-11-10 08:45:44,661 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 662 transitions. Word has length 43 [2018-11-10 08:45:44,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 08:45:44,661 INFO L481 AbstractCegarLoop]: Abstraction has 434 states and 662 transitions. [2018-11-10 08:45:44,661 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-10 08:45:44,662 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 662 transitions. [2018-11-10 08:45:44,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-11-10 08:45:44,665 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 08:45:44,666 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 08:45:44,666 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 08:45:44,666 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 08:45:44,667 INFO L82 PathProgramCache]: Analyzing trace with hash 2115089016, now seen corresponding path program 1 times [2018-11-10 08:45:44,667 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 08:45:44,667 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 08:45:44,668 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 08:45:44,668 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 08:45:44,668 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 08:45:44,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:45:44,774 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 08:45:44,774 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 08:45:44,774 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-10 08:45:44,776 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-10 08:45:44,777 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-10 08:45:44,777 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-10 08:45:44,777 INFO L87 Difference]: Start difference. First operand 434 states and 662 transitions. Second operand 4 states. [2018-11-10 08:45:45,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 08:45:45,794 INFO L93 Difference]: Finished difference Result 1594 states and 2534 transitions. [2018-11-10 08:45:45,799 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-10 08:45:45,799 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 127 [2018-11-10 08:45:45,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 08:45:45,804 INFO L225 Difference]: With dead ends: 1594 [2018-11-10 08:45:45,805 INFO L226 Difference]: Without dead ends: 780 [2018-11-10 08:45:45,809 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 [2018-11-10 08:45:45,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 780 states. [2018-11-10 08:45:45,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 780 to 780. [2018-11-10 08:45:45,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 780 states. [2018-11-10 08:45:45,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 780 states to 780 states and 1153 transitions. [2018-11-10 08:45:45,837 INFO L78 Accepts]: Start accepts. Automaton has 780 states and 1153 transitions. Word has length 127 [2018-11-10 08:45:45,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 08:45:45,838 INFO L481 AbstractCegarLoop]: Abstraction has 780 states and 1153 transitions. [2018-11-10 08:45:45,838 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-10 08:45:45,838 INFO L276 IsEmpty]: Start isEmpty. Operand 780 states and 1153 transitions. [2018-11-10 08:45:45,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-11-10 08:45:45,840 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 08:45:45,840 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 08:45:45,841 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 08:45:45,841 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 08:45:45,841 INFO L82 PathProgramCache]: Analyzing trace with hash -385622320, now seen corresponding path program 1 times [2018-11-10 08:45:45,841 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 08:45:45,841 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 08:45:45,842 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 08:45:45,842 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 08:45:45,842 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 08:45:45,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:45:45,930 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 08:45:45,930 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 08:45:45,930 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-10 08:45:45,931 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-10 08:45:45,931 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-10 08:45:45,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-10 08:45:45,932 INFO L87 Difference]: Start difference. First operand 780 states and 1153 transitions. Second operand 4 states. [2018-11-10 08:45:46,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 08:45:46,726 INFO L93 Difference]: Finished difference Result 3018 states and 4609 transitions. [2018-11-10 08:45:46,726 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-10 08:45:46,727 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 139 [2018-11-10 08:45:46,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 08:45:46,735 INFO L225 Difference]: With dead ends: 3018 [2018-11-10 08:45:46,735 INFO L226 Difference]: Without dead ends: 2244 [2018-11-10 08:45:46,740 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 [2018-11-10 08:45:46,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2244 states. [2018-11-10 08:45:46,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2244 to 2244. [2018-11-10 08:45:46,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2244 states. [2018-11-10 08:45:46,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2244 states to 2244 states and 3156 transitions. [2018-11-10 08:45:46,783 INFO L78 Accepts]: Start accepts. Automaton has 2244 states and 3156 transitions. Word has length 139 [2018-11-10 08:45:46,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 08:45:46,783 INFO L481 AbstractCegarLoop]: Abstraction has 2244 states and 3156 transitions. [2018-11-10 08:45:46,783 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-10 08:45:46,783 INFO L276 IsEmpty]: Start isEmpty. Operand 2244 states and 3156 transitions. [2018-11-10 08:45:46,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2018-11-10 08:45:46,789 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 08:45:46,790 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-10 08:45:46,790 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 08:45:46,790 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 08:45:46,790 INFO L82 PathProgramCache]: Analyzing trace with hash 1047456719, now seen corresponding path program 1 times [2018-11-10 08:45:46,790 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 08:45:46,790 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 08:45:46,791 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 08:45:46,791 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 08:45:46,791 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 08:45:46,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:45:46,932 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 166 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 08:45:46,933 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 08:45:46,933 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_48d131a8-8717-4e3e-a630-89595be46c66/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-10 08:45:46,940 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 08:45:46,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:45:46,994 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 08:45:47,148 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 166 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 08:45:47,175 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 08:45:47,175 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2018-11-10 08:45:47,176 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-10 08:45:47,176 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-10 08:45:47,176 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2018-11-10 08:45:47,176 INFO L87 Difference]: Start difference. First operand 2244 states and 3156 transitions. Second operand 9 states. [2018-11-10 08:45:51,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 08:45:51,391 INFO L93 Difference]: Finished difference Result 6564 states and 10246 transitions. [2018-11-10 08:45:51,391 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-10 08:45:51,391 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 259 [2018-11-10 08:45:51,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 08:45:51,413 INFO L225 Difference]: With dead ends: 6564 [2018-11-10 08:45:51,413 INFO L226 Difference]: Without dead ends: 4326 [2018-11-10 08:45:51,430 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 280 GetRequests, 265 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=89, Invalid=183, Unknown=0, NotChecked=0, Total=272 [2018-11-10 08:45:51,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4326 states. [2018-11-10 08:45:51,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4326 to 4216. [2018-11-10 08:45:51,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4216 states. [2018-11-10 08:45:51,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4216 states to 4216 states and 5355 transitions. [2018-11-10 08:45:51,516 INFO L78 Accepts]: Start accepts. Automaton has 4216 states and 5355 transitions. Word has length 259 [2018-11-10 08:45:51,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 08:45:51,516 INFO L481 AbstractCegarLoop]: Abstraction has 4216 states and 5355 transitions. [2018-11-10 08:45:51,516 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-10 08:45:51,516 INFO L276 IsEmpty]: Start isEmpty. Operand 4216 states and 5355 transitions. [2018-11-10 08:45:51,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2018-11-10 08:45:51,526 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 08:45:51,526 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-10 08:45:51,527 INFO L424 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 08:45:51,527 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 08:45:51,527 INFO L82 PathProgramCache]: Analyzing trace with hash 396889995, now seen corresponding path program 1 times [2018-11-10 08:45:51,527 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 08:45:51,527 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 08:45:51,528 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 08:45:51,528 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 08:45:51,528 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 08:45:51,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:45:51,712 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 73 proven. 41 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-11-10 08:45:51,712 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 08:45:51,712 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_48d131a8-8717-4e3e-a630-89595be46c66/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-10 08:45:51,718 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 08:45:51,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:45:51,765 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 08:45:51,838 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 180 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 08:45:51,855 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 08:45:51,855 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2018-11-10 08:45:51,856 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-10 08:45:51,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-10 08:45:51,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2018-11-10 08:45:51,856 INFO L87 Difference]: Start difference. First operand 4216 states and 5355 transitions. Second operand 9 states. [2018-11-10 08:45:52,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 08:45:52,898 INFO L93 Difference]: Finished difference Result 8255 states and 10750 transitions. [2018-11-10 08:45:52,898 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-10 08:45:52,898 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 273 [2018-11-10 08:45:52,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 08:45:52,919 INFO L225 Difference]: With dead ends: 8255 [2018-11-10 08:45:52,919 INFO L226 Difference]: Without dead ends: 4253 [2018-11-10 08:45:52,935 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 287 GetRequests, 274 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2018-11-10 08:45:52,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4253 states. [2018-11-10 08:45:53,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4253 to 4116. [2018-11-10 08:45:53,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4116 states. [2018-11-10 08:45:53,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4116 states to 4116 states and 5041 transitions. [2018-11-10 08:45:53,010 INFO L78 Accepts]: Start accepts. Automaton has 4116 states and 5041 transitions. Word has length 273 [2018-11-10 08:45:53,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 08:45:53,010 INFO L481 AbstractCegarLoop]: Abstraction has 4116 states and 5041 transitions. [2018-11-10 08:45:53,010 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-10 08:45:53,011 INFO L276 IsEmpty]: Start isEmpty. Operand 4116 states and 5041 transitions. [2018-11-10 08:45:53,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2018-11-10 08:45:53,020 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 08:45:53,020 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-10 08:45:53,021 INFO L424 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 08:45:53,021 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 08:45:53,021 INFO L82 PathProgramCache]: Analyzing trace with hash 259056362, now seen corresponding path program 1 times [2018-11-10 08:45:53,021 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 08:45:53,021 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 08:45:53,022 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 08:45:53,022 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 08:45:53,022 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 08:45:53,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:45:53,643 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 146 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 08:45:53,643 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 08:45:53,643 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_48d131a8-8717-4e3e-a630-89595be46c66/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-10 08:45:53,649 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 08:45:53,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:45:53,700 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 08:45:53,812 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 148 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-11-10 08:45:53,828 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-10 08:45:53,829 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2018-11-10 08:45:53,829 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-10 08:45:53,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-10 08:45:53,829 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2018-11-10 08:45:53,830 INFO L87 Difference]: Start difference. First operand 4116 states and 5041 transitions. Second operand 15 states. [2018-11-10 08:45:58,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 08:45:58,957 INFO L93 Difference]: Finished difference Result 13119 states and 15666 transitions. [2018-11-10 08:45:58,959 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2018-11-10 08:45:58,960 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 276 [2018-11-10 08:45:58,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 08:45:58,975 INFO L225 Difference]: With dead ends: 13119 [2018-11-10 08:45:58,975 INFO L226 Difference]: Without dead ends: 7875 [2018-11-10 08:45:58,985 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 350 GetRequests, 292 SyntacticMatches, 4 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 868 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=625, Invalid=2455, Unknown=0, NotChecked=0, Total=3080 [2018-11-10 08:45:58,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7875 states. [2018-11-10 08:45:59,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7875 to 7002. [2018-11-10 08:45:59,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7002 states. [2018-11-10 08:45:59,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7002 states to 7002 states and 8158 transitions. [2018-11-10 08:45:59,067 INFO L78 Accepts]: Start accepts. Automaton has 7002 states and 8158 transitions. Word has length 276 [2018-11-10 08:45:59,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 08:45:59,067 INFO L481 AbstractCegarLoop]: Abstraction has 7002 states and 8158 transitions. [2018-11-10 08:45:59,067 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-10 08:45:59,067 INFO L276 IsEmpty]: Start isEmpty. Operand 7002 states and 8158 transitions. [2018-11-10 08:45:59,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 380 [2018-11-10 08:45:59,078 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 08:45:59,078 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 08:45:59,078 INFO L424 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 08:45:59,078 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 08:45:59,078 INFO L82 PathProgramCache]: Analyzing trace with hash -924704644, now seen corresponding path program 1 times [2018-11-10 08:45:59,078 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 08:45:59,079 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 08:45:59,079 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 08:45:59,079 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 08:45:59,079 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 08:45:59,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:45:59,608 INFO L134 CoverageAnalysis]: Checked inductivity of 398 backedges. 196 proven. 197 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-10 08:45:59,608 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 08:45:59,608 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_48d131a8-8717-4e3e-a630-89595be46c66/bin-2019/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-10 08:45:59,613 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 08:45:59,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:45:59,663 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 08:45:59,893 INFO L134 CoverageAnalysis]: Checked inductivity of 398 backedges. 308 proven. 53 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-11-10 08:45:59,909 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 08:45:59,909 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 8] total 15 [2018-11-10 08:45:59,909 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-10 08:45:59,910 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-10 08:45:59,910 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2018-11-10 08:45:59,910 INFO L87 Difference]: Start difference. First operand 7002 states and 8158 transitions. Second operand 15 states. [2018-11-10 08:46:01,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 08:46:01,592 INFO L93 Difference]: Finished difference Result 14584 states and 17071 transitions. [2018-11-10 08:46:01,592 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-11-10 08:46:01,592 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 379 [2018-11-10 08:46:01,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 08:46:01,610 INFO L225 Difference]: With dead ends: 14584 [2018-11-10 08:46:01,610 INFO L226 Difference]: Without dead ends: 7386 [2018-11-10 08:46:01,620 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 423 GetRequests, 393 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 238 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=229, Invalid=701, Unknown=0, NotChecked=0, Total=930 [2018-11-10 08:46:01,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7386 states. [2018-11-10 08:46:01,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7386 to 7185. [2018-11-10 08:46:01,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7185 states. [2018-11-10 08:46:01,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7185 states to 7185 states and 8133 transitions. [2018-11-10 08:46:01,725 INFO L78 Accepts]: Start accepts. Automaton has 7185 states and 8133 transitions. Word has length 379 [2018-11-10 08:46:01,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 08:46:01,726 INFO L481 AbstractCegarLoop]: Abstraction has 7185 states and 8133 transitions. [2018-11-10 08:46:01,726 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-10 08:46:01,726 INFO L276 IsEmpty]: Start isEmpty. Operand 7185 states and 8133 transitions. [2018-11-10 08:46:01,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2018-11-10 08:46:01,745 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 08:46:01,745 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, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 08:46:01,745 INFO L424 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 08:46:01,745 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 08:46:01,746 INFO L82 PathProgramCache]: Analyzing trace with hash 1434091843, now seen corresponding path program 1 times [2018-11-10 08:46:01,746 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 08:46:01,746 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 08:46:01,746 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 08:46:01,746 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 08:46:01,746 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 08:46:01,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:46:02,418 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 339 proven. 2 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2018-11-10 08:46:02,418 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 08:46:02,418 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_48d131a8-8717-4e3e-a630-89595be46c66/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 [2018-11-10 08:46:02,424 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 08:46:02,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:46:02,476 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 08:46:02,567 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 254 proven. 0 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2018-11-10 08:46:02,583 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-10 08:46:02,583 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [13] total 16 [2018-11-10 08:46:02,584 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-11-10 08:46:02,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-11-10 08:46:02,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2018-11-10 08:46:02,584 INFO L87 Difference]: Start difference. First operand 7185 states and 8133 transitions. Second operand 16 states. [2018-11-10 08:46:05,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 08:46:05,236 INFO L93 Difference]: Finished difference Result 14540 states and 16528 transitions. [2018-11-10 08:46:05,239 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2018-11-10 08:46:05,239 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 404 [2018-11-10 08:46:05,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 08:46:05,256 INFO L225 Difference]: With dead ends: 14540 [2018-11-10 08:46:05,256 INFO L226 Difference]: Without dead ends: 7546 [2018-11-10 08:46:05,268 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 478 GetRequests, 425 SyntacticMatches, 2 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 716 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=596, Invalid=2160, Unknown=0, NotChecked=0, Total=2756 [2018-11-10 08:46:05,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7546 states. [2018-11-10 08:46:05,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7546 to 7198. [2018-11-10 08:46:05,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7198 states. [2018-11-10 08:46:05,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7198 states to 7198 states and 7960 transitions. [2018-11-10 08:46:05,364 INFO L78 Accepts]: Start accepts. Automaton has 7198 states and 7960 transitions. Word has length 404 [2018-11-10 08:46:05,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 08:46:05,364 INFO L481 AbstractCegarLoop]: Abstraction has 7198 states and 7960 transitions. [2018-11-10 08:46:05,364 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-11-10 08:46:05,365 INFO L276 IsEmpty]: Start isEmpty. Operand 7198 states and 7960 transitions. [2018-11-10 08:46:05,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 612 [2018-11-10 08:46:05,389 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 08:46:05,390 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 08:46:05,390 INFO L424 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 08:46:05,390 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 08:46:05,390 INFO L82 PathProgramCache]: Analyzing trace with hash -903410228, now seen corresponding path program 1 times [2018-11-10 08:46:05,390 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 08:46:05,390 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 08:46:05,391 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 08:46:05,391 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 08:46:05,391 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 08:46:05,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:46:05,926 INFO L134 CoverageAnalysis]: Checked inductivity of 1293 backedges. 422 proven. 222 refuted. 0 times theorem prover too weak. 649 trivial. 0 not checked. [2018-11-10 08:46:05,926 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 08:46:05,926 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_48d131a8-8717-4e3e-a630-89595be46c66/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 [2018-11-10 08:46:05,932 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 08:46:06,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:46:06,012 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 08:46:06,261 INFO L134 CoverageAnalysis]: Checked inductivity of 1293 backedges. 635 proven. 2 refuted. 0 times theorem prover too weak. 656 trivial. 0 not checked. [2018-11-10 08:46:06,277 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 08:46:06,277 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 11 [2018-11-10 08:46:06,278 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-10 08:46:06,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-10 08:46:06,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2018-11-10 08:46:06,278 INFO L87 Difference]: Start difference. First operand 7198 states and 7960 transitions. Second operand 11 states. [2018-11-10 08:46:08,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 08:46:08,856 INFO L93 Difference]: Finished difference Result 17977 states and 20207 transitions. [2018-11-10 08:46:08,856 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-11-10 08:46:08,856 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 611 [2018-11-10 08:46:08,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 08:46:08,867 INFO L225 Difference]: With dead ends: 17977 [2018-11-10 08:46:08,867 INFO L226 Difference]: Without dead ends: 7464 [2018-11-10 08:46:08,878 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 658 GetRequests, 625 SyntacticMatches, 3 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 231 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=231, Invalid=761, Unknown=0, NotChecked=0, Total=992 [2018-11-10 08:46:08,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7464 states. [2018-11-10 08:46:08,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7464 to 6647. [2018-11-10 08:46:08,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6647 states. [2018-11-10 08:46:08,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6647 states to 6647 states and 7323 transitions. [2018-11-10 08:46:08,942 INFO L78 Accepts]: Start accepts. Automaton has 6647 states and 7323 transitions. Word has length 611 [2018-11-10 08:46:08,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 08:46:08,942 INFO L481 AbstractCegarLoop]: Abstraction has 6647 states and 7323 transitions. [2018-11-10 08:46:08,942 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-10 08:46:08,943 INFO L276 IsEmpty]: Start isEmpty. Operand 6647 states and 7323 transitions. [2018-11-10 08:46:08,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 683 [2018-11-10 08:46:08,961 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 08:46:08,961 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, 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 08:46:08,961 INFO L424 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 08:46:08,961 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 08:46:08,961 INFO L82 PathProgramCache]: Analyzing trace with hash -459704605, now seen corresponding path program 1 times [2018-11-10 08:46:08,961 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 08:46:08,962 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 08:46:08,962 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 08:46:08,962 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 08:46:08,962 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 08:46:08,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:46:09,328 INFO L134 CoverageAnalysis]: Checked inductivity of 1309 backedges. 538 proven. 119 refuted. 0 times theorem prover too weak. 652 trivial. 0 not checked. [2018-11-10 08:46:09,328 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 08:46:09,328 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_48d131a8-8717-4e3e-a630-89595be46c66/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 [2018-11-10 08:46:09,336 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 08:46:09,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:46:09,426 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 08:46:09,556 INFO L134 CoverageAnalysis]: Checked inductivity of 1309 backedges. 945 proven. 2 refuted. 0 times theorem prover too weak. 362 trivial. 0 not checked. [2018-11-10 08:46:09,572 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 08:46:09,573 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 7 [2018-11-10 08:46:09,573 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-10 08:46:09,574 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-10 08:46:09,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-11-10 08:46:09,574 INFO L87 Difference]: Start difference. First operand 6647 states and 7323 transitions. Second operand 7 states. [2018-11-10 08:46:10,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 08:46:10,541 INFO L93 Difference]: Finished difference Result 16155 states and 19110 transitions. [2018-11-10 08:46:10,541 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-11-10 08:46:10,541 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 682 [2018-11-10 08:46:10,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 08:46:10,566 INFO L225 Difference]: With dead ends: 16155 [2018-11-10 08:46:10,567 INFO L226 Difference]: Without dead ends: 9699 [2018-11-10 08:46:10,580 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 698 GetRequests, 687 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2018-11-10 08:46:10,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9699 states. [2018-11-10 08:46:10,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9699 to 9289. [2018-11-10 08:46:10,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9289 states. [2018-11-10 08:46:10,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9289 states to 9289 states and 10290 transitions. [2018-11-10 08:46:10,700 INFO L78 Accepts]: Start accepts. Automaton has 9289 states and 10290 transitions. Word has length 682 [2018-11-10 08:46:10,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 08:46:10,701 INFO L481 AbstractCegarLoop]: Abstraction has 9289 states and 10290 transitions. [2018-11-10 08:46:10,701 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-10 08:46:10,701 INFO L276 IsEmpty]: Start isEmpty. Operand 9289 states and 10290 transitions. [2018-11-10 08:46:10,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 715 [2018-11-10 08:46:10,716 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 08:46:10,716 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, 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, 4, 3, 3, 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] [2018-11-10 08:46:10,716 INFO L424 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 08:46:10,716 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 08:46:10,717 INFO L82 PathProgramCache]: Analyzing trace with hash 1430426016, now seen corresponding path program 1 times [2018-11-10 08:46:10,717 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 08:46:10,717 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 08:46:10,717 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 08:46:10,718 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 08:46:10,718 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 08:46:10,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:46:11,584 INFO L134 CoverageAnalysis]: Checked inductivity of 1760 backedges. 562 proven. 777 refuted. 0 times theorem prover too weak. 421 trivial. 0 not checked. [2018-11-10 08:46:11,584 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 08:46:11,584 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_48d131a8-8717-4e3e-a630-89595be46c66/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 [2018-11-10 08:46:11,590 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 08:46:11,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:46:11,680 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 08:46:12,024 INFO L134 CoverageAnalysis]: Checked inductivity of 1760 backedges. 1290 proven. 2 refuted. 0 times theorem prover too weak. 468 trivial. 0 not checked. [2018-11-10 08:46:12,041 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 08:46:12,041 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5] total 13 [2018-11-10 08:46:12,042 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-10 08:46:12,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-10 08:46:12,042 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2018-11-10 08:46:12,042 INFO L87 Difference]: Start difference. First operand 9289 states and 10290 transitions. Second operand 13 states. [2018-11-10 08:46:13,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 08:46:13,158 INFO L93 Difference]: Finished difference Result 18658 states and 21269 transitions. [2018-11-10 08:46:13,158 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-10 08:46:13,158 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 714 [2018-11-10 08:46:13,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 08:46:13,178 INFO L225 Difference]: With dead ends: 18658 [2018-11-10 08:46:13,178 INFO L226 Difference]: Without dead ends: 9359 [2018-11-10 08:46:13,191 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 743 GetRequests, 722 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=124, Invalid=338, Unknown=0, NotChecked=0, Total=462 [2018-11-10 08:46:13,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9359 states. [2018-11-10 08:46:13,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9359 to 9135. [2018-11-10 08:46:13,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9135 states. [2018-11-10 08:46:13,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9135 states to 9135 states and 9960 transitions. [2018-11-10 08:46:13,289 INFO L78 Accepts]: Start accepts. Automaton has 9135 states and 9960 transitions. Word has length 714 [2018-11-10 08:46:13,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 08:46:13,289 INFO L481 AbstractCegarLoop]: Abstraction has 9135 states and 9960 transitions. [2018-11-10 08:46:13,289 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-11-10 08:46:13,289 INFO L276 IsEmpty]: Start isEmpty. Operand 9135 states and 9960 transitions. [2018-11-10 08:46:13,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 741 [2018-11-10 08:46:13,301 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 08:46:13,302 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, 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, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 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] [2018-11-10 08:46:13,302 INFO L424 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 08:46:13,302 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 08:46:13,302 INFO L82 PathProgramCache]: Analyzing trace with hash -150712308, now seen corresponding path program 1 times [2018-11-10 08:46:13,302 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 08:46:13,302 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 08:46:13,303 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 08:46:13,303 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 08:46:13,303 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 08:46:13,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:46:14,319 INFO L134 CoverageAnalysis]: Checked inductivity of 1889 backedges. 588 proven. 855 refuted. 0 times theorem prover too weak. 446 trivial. 0 not checked. [2018-11-10 08:46:14,319 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 08:46:14,319 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_48d131a8-8717-4e3e-a630-89595be46c66/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 [2018-11-10 08:46:14,325 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 08:46:14,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:46:14,412 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 08:46:14,670 INFO L134 CoverageAnalysis]: Checked inductivity of 1889 backedges. 1368 proven. 2 refuted. 0 times theorem prover too weak. 519 trivial. 0 not checked. [2018-11-10 08:46:14,687 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 08:46:14,687 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 5] total 18 [2018-11-10 08:46:14,687 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-11-10 08:46:14,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-11-10 08:46:14,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=244, Unknown=0, NotChecked=0, Total=306 [2018-11-10 08:46:14,688 INFO L87 Difference]: Start difference. First operand 9135 states and 9960 transitions. Second operand 18 states. [2018-11-10 08:46:17,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 08:46:17,752 INFO L93 Difference]: Finished difference Result 18772 states and 20587 transitions. [2018-11-10 08:46:17,752 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2018-11-10 08:46:17,753 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 740 [2018-11-10 08:46:17,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 08:46:17,767 INFO L225 Difference]: With dead ends: 18772 [2018-11-10 08:46:17,767 INFO L226 Difference]: Without dead ends: 9162 [2018-11-10 08:46:17,782 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 811 GetRequests, 762 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 639 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=526, Invalid=2024, Unknown=0, NotChecked=0, Total=2550 [2018-11-10 08:46:17,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9162 states. [2018-11-10 08:46:17,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9162 to 8289. [2018-11-10 08:46:17,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8289 states. [2018-11-10 08:46:17,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8289 states to 8289 states and 8892 transitions. [2018-11-10 08:46:17,863 INFO L78 Accepts]: Start accepts. Automaton has 8289 states and 8892 transitions. Word has length 740 [2018-11-10 08:46:17,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 08:46:17,864 INFO L481 AbstractCegarLoop]: Abstraction has 8289 states and 8892 transitions. [2018-11-10 08:46:17,864 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-11-10 08:46:17,864 INFO L276 IsEmpty]: Start isEmpty. Operand 8289 states and 8892 transitions. [2018-11-10 08:46:17,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 843 [2018-11-10 08:46:17,872 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 08:46:17,873 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, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-10 08:46:17,873 INFO L424 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 08:46:17,873 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 08:46:17,873 INFO L82 PathProgramCache]: Analyzing trace with hash -658629070, now seen corresponding path program 1 times [2018-11-10 08:46:17,873 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 08:46:17,873 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 08:46:17,874 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 08:46:17,874 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 08:46:17,874 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 08:46:17,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:46:19,480 INFO L134 CoverageAnalysis]: Checked inductivity of 1964 backedges. 785 proven. 845 refuted. 0 times theorem prover too weak. 334 trivial. 0 not checked. [2018-11-10 08:46:19,480 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 08:46:19,480 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_48d131a8-8717-4e3e-a630-89595be46c66/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 [2018-11-10 08:46:19,486 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 08:46:19,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:46:19,583 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 08:46:19,806 INFO L134 CoverageAnalysis]: Checked inductivity of 1964 backedges. 1264 proven. 2 refuted. 0 times theorem prover too weak. 698 trivial. 0 not checked. [2018-11-10 08:46:19,823 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 08:46:19,823 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 5] total 20 [2018-11-10 08:46:19,824 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-11-10 08:46:19,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-11-10 08:46:19,824 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=320, Unknown=0, NotChecked=0, Total=380 [2018-11-10 08:46:19,824 INFO L87 Difference]: Start difference. First operand 8289 states and 8892 transitions. Second operand 20 states. [2018-11-10 08:46:24,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 08:46:24,641 INFO L93 Difference]: Finished difference Result 17460 states and 18806 transitions. [2018-11-10 08:46:24,642 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2018-11-10 08:46:24,642 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 842 [2018-11-10 08:46:24,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 08:46:24,655 INFO L225 Difference]: With dead ends: 17460 [2018-11-10 08:46:24,655 INFO L226 Difference]: Without dead ends: 9031 [2018-11-10 08:46:24,667 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 981 GetRequests, 895 SyntacticMatches, 4 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2233 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=999, Invalid=5973, Unknown=0, NotChecked=0, Total=6972 [2018-11-10 08:46:24,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9031 states. [2018-11-10 08:46:24,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9031 to 8126. [2018-11-10 08:46:24,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8126 states. [2018-11-10 08:46:24,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8126 states to 8126 states and 8626 transitions. [2018-11-10 08:46:24,779 INFO L78 Accepts]: Start accepts. Automaton has 8126 states and 8626 transitions. Word has length 842 [2018-11-10 08:46:24,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 08:46:24,780 INFO L481 AbstractCegarLoop]: Abstraction has 8126 states and 8626 transitions. [2018-11-10 08:46:24,780 INFO L482 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-11-10 08:46:24,780 INFO L276 IsEmpty]: Start isEmpty. Operand 8126 states and 8626 transitions. [2018-11-10 08:46:24,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1148 [2018-11-10 08:46:24,795 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 08:46:24,796 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, 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, 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] [2018-11-10 08:46:24,796 INFO L424 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 08:46:24,796 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 08:46:24,796 INFO L82 PathProgramCache]: Analyzing trace with hash 831716118, now seen corresponding path program 1 times [2018-11-10 08:46:24,797 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 08:46:24,797 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 08:46:24,797 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 08:46:24,797 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 08:46:24,797 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 08:46:24,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:46:25,629 INFO L134 CoverageAnalysis]: Checked inductivity of 3995 backedges. 1677 proven. 355 refuted. 0 times theorem prover too weak. 1963 trivial. 0 not checked. [2018-11-10 08:46:25,629 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 08:46:25,629 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_48d131a8-8717-4e3e-a630-89595be46c66/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 [2018-11-10 08:46:25,634 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 08:46:25,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:46:25,770 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 08:46:26,225 INFO L134 CoverageAnalysis]: Checked inductivity of 3995 backedges. 2463 proven. 6 refuted. 0 times theorem prover too weak. 1526 trivial. 0 not checked. [2018-11-10 08:46:26,242 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 08:46:26,242 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 9 [2018-11-10 08:46:26,243 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-10 08:46:26,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-10 08:46:26,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2018-11-10 08:46:26,243 INFO L87 Difference]: Start difference. First operand 8126 states and 8626 transitions. Second operand 9 states. [2018-11-10 08:46:30,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 08:46:30,426 INFO L93 Difference]: Finished difference Result 18582 states and 19830 transitions. [2018-11-10 08:46:30,426 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-10 08:46:30,426 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1147 [2018-11-10 08:46:30,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 08:46:30,444 INFO L225 Difference]: With dead ends: 18582 [2018-11-10 08:46:30,444 INFO L226 Difference]: Without dead ends: 10647 [2018-11-10 08:46:30,456 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 1177 GetRequests, 1158 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=109, Invalid=271, Unknown=0, NotChecked=0, Total=380 [2018-11-10 08:46:30,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10647 states. [2018-11-10 08:46:30,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10647 to 8397. [2018-11-10 08:46:30,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8397 states. [2018-11-10 08:46:30,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8397 states to 8397 states and 8910 transitions. [2018-11-10 08:46:30,567 INFO L78 Accepts]: Start accepts. Automaton has 8397 states and 8910 transitions. Word has length 1147 [2018-11-10 08:46:30,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 08:46:30,568 INFO L481 AbstractCegarLoop]: Abstraction has 8397 states and 8910 transitions. [2018-11-10 08:46:30,568 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-10 08:46:30,568 INFO L276 IsEmpty]: Start isEmpty. Operand 8397 states and 8910 transitions. [2018-11-10 08:46:30,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1170 [2018-11-10 08:46:30,584 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 08:46:30,584 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, 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, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 08:46:30,584 INFO L424 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 08:46:30,584 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 08:46:30,585 INFO L82 PathProgramCache]: Analyzing trace with hash 432957140, now seen corresponding path program 1 times [2018-11-10 08:46:30,585 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 08:46:30,585 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 08:46:30,585 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 08:46:30,585 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 08:46:30,585 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 08:46:30,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:46:32,084 INFO L134 CoverageAnalysis]: Checked inductivity of 4228 backedges. 1043 proven. 1833 refuted. 0 times theorem prover too weak. 1352 trivial. 0 not checked. [2018-11-10 08:46:32,084 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 08:46:32,084 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_48d131a8-8717-4e3e-a630-89595be46c66/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 [2018-11-10 08:46:32,090 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 08:46:32,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:46:32,247 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 08:46:32,705 INFO L134 CoverageAnalysis]: Checked inductivity of 4228 backedges. 2590 proven. 2 refuted. 0 times theorem prover too weak. 1636 trivial. 0 not checked. [2018-11-10 08:46:32,722 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 08:46:32,722 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 5] total 17 [2018-11-10 08:46:32,722 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-11-10 08:46:32,723 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-11-10 08:46:32,723 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=217, Unknown=0, NotChecked=0, Total=272 [2018-11-10 08:46:32,723 INFO L87 Difference]: Start difference. First operand 8397 states and 8910 transitions. Second operand 17 states. [2018-11-10 08:46:35,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 08:46:35,246 INFO L93 Difference]: Finished difference Result 16559 states and 17942 transitions. [2018-11-10 08:46:35,247 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2018-11-10 08:46:35,247 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 1169 [2018-11-10 08:46:35,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 08:46:35,255 INFO L225 Difference]: With dead ends: 16559 [2018-11-10 08:46:35,255 INFO L226 Difference]: Without dead ends: 6151 [2018-11-10 08:46:35,264 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 1250 GetRequests, 1194 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 934 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=670, Invalid=2636, Unknown=0, NotChecked=0, Total=3306 [2018-11-10 08:46:35,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6151 states. [2018-11-10 08:46:35,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6151 to 5953. [2018-11-10 08:46:35,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5953 states. [2018-11-10 08:46:35,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5953 states to 5953 states and 6284 transitions. [2018-11-10 08:46:35,330 INFO L78 Accepts]: Start accepts. Automaton has 5953 states and 6284 transitions. Word has length 1169 [2018-11-10 08:46:35,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 08:46:35,331 INFO L481 AbstractCegarLoop]: Abstraction has 5953 states and 6284 transitions. [2018-11-10 08:46:35,331 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-11-10 08:46:35,331 INFO L276 IsEmpty]: Start isEmpty. Operand 5953 states and 6284 transitions. [2018-11-10 08:46:35,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1234 [2018-11-10 08:46:35,339 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 08:46:35,339 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, 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, 8, 8, 8, 8, 8, 8, 8, 8, 7, 6, 6, 6, 6, 6, 6, 6, 5, 5, 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, 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] [2018-11-10 08:46:35,339 INFO L424 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 08:46:35,340 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 08:46:35,340 INFO L82 PathProgramCache]: Analyzing trace with hash -1351687262, now seen corresponding path program 1 times [2018-11-10 08:46:35,340 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 08:46:35,340 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 08:46:35,341 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 08:46:35,341 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 08:46:35,341 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 08:46:35,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:46:37,653 INFO L134 CoverageAnalysis]: Checked inductivity of 4374 backedges. 1051 proven. 1936 refuted. 0 times theorem prover too weak. 1387 trivial. 0 not checked. [2018-11-10 08:46:37,653 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 08:46:37,653 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_48d131a8-8717-4e3e-a630-89595be46c66/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 [2018-11-10 08:46:37,658 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 08:46:37,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:46:37,794 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 08:46:38,544 INFO L134 CoverageAnalysis]: Checked inductivity of 4374 backedges. 2611 proven. 2 refuted. 0 times theorem prover too weak. 1761 trivial. 0 not checked. [2018-11-10 08:46:38,561 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 08:46:38,561 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 6] total 18 [2018-11-10 08:46:38,562 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-11-10 08:46:38,562 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-11-10 08:46:38,562 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=249, Unknown=0, NotChecked=0, Total=306 [2018-11-10 08:46:38,562 INFO L87 Difference]: Start difference. First operand 5953 states and 6284 transitions. Second operand 18 states. [2018-11-10 08:46:41,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 08:46:41,259 INFO L93 Difference]: Finished difference Result 12133 states and 12841 transitions. [2018-11-10 08:46:41,259 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2018-11-10 08:46:41,260 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 1233 [2018-11-10 08:46:41,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 08:46:41,267 INFO L225 Difference]: With dead ends: 12133 [2018-11-10 08:46:41,267 INFO L226 Difference]: Without dead ends: 6371 [2018-11-10 08:46:41,272 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 1302 GetRequests, 1257 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 507 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=463, Invalid=1699, Unknown=0, NotChecked=0, Total=2162 [2018-11-10 08:46:41,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6371 states. [2018-11-10 08:46:41,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6371 to 5955. [2018-11-10 08:46:41,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5955 states. [2018-11-10 08:46:41,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5955 states to 5955 states and 6212 transitions. [2018-11-10 08:46:41,326 INFO L78 Accepts]: Start accepts. Automaton has 5955 states and 6212 transitions. Word has length 1233 [2018-11-10 08:46:41,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 08:46:41,327 INFO L481 AbstractCegarLoop]: Abstraction has 5955 states and 6212 transitions. [2018-11-10 08:46:41,327 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-11-10 08:46:41,327 INFO L276 IsEmpty]: Start isEmpty. Operand 5955 states and 6212 transitions. [2018-11-10 08:46:41,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1586 [2018-11-10 08:46:41,339 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 08:46:41,339 INFO L375 BasicCegarLoop]: trace histogram [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, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 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, 8, 8, 8, 7, 7, 7, 7, 6, 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] [2018-11-10 08:46:41,339 INFO L424 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 08:46:41,339 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 08:46:41,339 INFO L82 PathProgramCache]: Analyzing trace with hash 1616009053, now seen corresponding path program 1 times [2018-11-10 08:46:41,339 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 08:46:41,340 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 08:46:41,340 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 08:46:41,340 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 08:46:41,340 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 08:46:41,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:46:43,872 INFO L134 CoverageAnalysis]: Checked inductivity of 7554 backedges. 1176 proven. 3869 refuted. 0 times theorem prover too weak. 2509 trivial. 0 not checked. [2018-11-10 08:46:43,873 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 08:46:43,873 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_48d131a8-8717-4e3e-a630-89595be46c66/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 [2018-11-10 08:46:43,879 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 08:46:44,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:46:44,046 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 08:46:44,736 INFO L134 CoverageAnalysis]: Checked inductivity of 7554 backedges. 4653 proven. 2 refuted. 0 times theorem prover too weak. 2899 trivial. 0 not checked. [2018-11-10 08:46:44,753 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 08:46:44,754 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 5] total 19 [2018-11-10 08:46:44,754 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-10 08:46:44,755 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-10 08:46:44,755 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=275, Unknown=0, NotChecked=0, Total=342 [2018-11-10 08:46:44,755 INFO L87 Difference]: Start difference. First operand 5955 states and 6212 transitions. Second operand 19 states. [2018-11-10 08:46:47,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 08:46:47,934 INFO L93 Difference]: Finished difference Result 12241 states and 13303 transitions. [2018-11-10 08:46:47,935 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2018-11-10 08:46:47,935 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 1585 [2018-11-10 08:46:47,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 08:46:47,946 INFO L225 Difference]: With dead ends: 12241 [2018-11-10 08:46:47,946 INFO L226 Difference]: Without dead ends: 6477 [2018-11-10 08:46:47,954 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 1672 GetRequests, 1614 SyntacticMatches, 2 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 872 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=740, Invalid=2566, Unknown=0, NotChecked=0, Total=3306 [2018-11-10 08:46:47,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6477 states. [2018-11-10 08:46:48,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6477 to 5953. [2018-11-10 08:46:48,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5953 states. [2018-11-10 08:46:48,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5953 states to 5953 states and 6188 transitions. [2018-11-10 08:46:48,031 INFO L78 Accepts]: Start accepts. Automaton has 5953 states and 6188 transitions. Word has length 1585 [2018-11-10 08:46:48,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 08:46:48,031 INFO L481 AbstractCegarLoop]: Abstraction has 5953 states and 6188 transitions. [2018-11-10 08:46:48,032 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-10 08:46:48,032 INFO L276 IsEmpty]: Start isEmpty. Operand 5953 states and 6188 transitions. [2018-11-10 08:46:48,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1705 [2018-11-10 08:46:48,044 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 08:46:48,044 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, 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, 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] [2018-11-10 08:46:48,044 INFO L424 AbstractCegarLoop]: === Iteration 18 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 08:46:48,045 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 08:46:48,045 INFO L82 PathProgramCache]: Analyzing trace with hash 1910971973, now seen corresponding path program 1 times [2018-11-10 08:46:48,045 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 08:46:48,045 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 08:46:48,045 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 08:46:48,045 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 08:46:48,045 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 08:46:48,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:46:51,761 INFO L134 CoverageAnalysis]: Checked inductivity of 8916 backedges. 1940 proven. 5325 refuted. 0 times theorem prover too weak. 1651 trivial. 0 not checked. [2018-11-10 08:46:51,761 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 08:46:51,761 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_48d131a8-8717-4e3e-a630-89595be46c66/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 [2018-11-10 08:46:51,768 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 08:46:51,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:46:51,942 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 08:46:52,813 INFO L134 CoverageAnalysis]: Checked inductivity of 8916 backedges. 2874 proven. 85 refuted. 0 times theorem prover too weak. 5957 trivial. 0 not checked. [2018-11-10 08:46:52,841 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 08:46:52,841 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 8] total 33 [2018-11-10 08:46:52,842 INFO L460 AbstractCegarLoop]: Interpolant automaton has 33 states [2018-11-10 08:46:52,842 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2018-11-10 08:46:52,843 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=959, Unknown=0, NotChecked=0, Total=1056 [2018-11-10 08:46:52,843 INFO L87 Difference]: Start difference. First operand 5953 states and 6188 transitions. Second operand 33 states. [2018-11-10 08:47:08,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 08:47:08,070 INFO L93 Difference]: Finished difference Result 13399 states and 14249 transitions. [2018-11-10 08:47:08,070 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2018-11-10 08:47:08,070 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 1704 [2018-11-10 08:47:08,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 08:47:08,080 INFO L225 Difference]: With dead ends: 13399 [2018-11-10 08:47:08,081 INFO L226 Difference]: Without dead ends: 6399 [2018-11-10 08:47:08,091 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 1924 GetRequests, 1759 SyntacticMatches, 2 SemanticMatches, 163 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9851 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=3675, Invalid=23385, Unknown=0, NotChecked=0, Total=27060 [2018-11-10 08:47:08,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6399 states. [2018-11-10 08:47:08,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6399 to 5181. [2018-11-10 08:47:08,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5181 states. [2018-11-10 08:47:08,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5181 states to 5181 states and 5353 transitions. [2018-11-10 08:47:08,175 INFO L78 Accepts]: Start accepts. Automaton has 5181 states and 5353 transitions. Word has length 1704 [2018-11-10 08:47:08,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 08:47:08,176 INFO L481 AbstractCegarLoop]: Abstraction has 5181 states and 5353 transitions. [2018-11-10 08:47:08,176 INFO L482 AbstractCegarLoop]: Interpolant automaton has 33 states. [2018-11-10 08:47:08,176 INFO L276 IsEmpty]: Start isEmpty. Operand 5181 states and 5353 transitions. [2018-11-10 08:47:08,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1959 [2018-11-10 08:47:08,220 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 08:47:08,221 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, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 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] [2018-11-10 08:47:08,221 INFO L424 AbstractCegarLoop]: === Iteration 19 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 08:47:08,222 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 08:47:08,223 INFO L82 PathProgramCache]: Analyzing trace with hash -358606529, now seen corresponding path program 1 times [2018-11-10 08:47:08,223 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 08:47:08,223 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 08:47:08,223 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 08:47:08,223 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 08:47:08,223 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 08:47:08,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:47:12,248 INFO L134 CoverageAnalysis]: Checked inductivity of 12086 backedges. 2561 proven. 6837 refuted. 0 times theorem prover too weak. 2688 trivial. 0 not checked. [2018-11-10 08:47:12,248 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 08:47:12,248 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_48d131a8-8717-4e3e-a630-89595be46c66/bin-2019/uautomizer/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-10 08:47:12,260 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 08:47:12,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:47:12,477 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 08:47:14,659 WARN L179 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 33 DAG size of output: 25 [2018-11-10 08:47:15,754 INFO L134 CoverageAnalysis]: Checked inductivity of 12086 backedges. 5834 proven. 12 refuted. 0 times theorem prover too weak. 6240 trivial. 0 not checked. [2018-11-10 08:47:15,782 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 08:47:15,782 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 9] total 33 [2018-11-10 08:47:15,784 INFO L460 AbstractCegarLoop]: Interpolant automaton has 33 states [2018-11-10 08:47:15,784 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2018-11-10 08:47:15,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=938, Unknown=1, NotChecked=0, Total=1056 [2018-11-10 08:47:15,784 INFO L87 Difference]: Start difference. First operand 5181 states and 5353 transitions. Second operand 33 states. [2018-11-10 08:47:23,394 WARN L179 SmtUtils]: Spent 2.82 s on a formula simplification. DAG size of input: 75 DAG size of output: 29 [2018-11-10 08:47:29,128 WARN L179 SmtUtils]: Spent 2.83 s on a formula simplification. DAG size of input: 79 DAG size of output: 42 [2018-11-10 08:47:45,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 08:47:45,402 INFO L93 Difference]: Finished difference Result 15816 states and 17234 transitions. [2018-11-10 08:47:45,403 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 163 states. [2018-11-10 08:47:45,403 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 1958 [2018-11-10 08:47:45,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 08:47:45,422 INFO L225 Difference]: With dead ends: 15816 [2018-11-10 08:47:45,422 INFO L226 Difference]: Without dead ends: 9378 [2018-11-10 08:47:45,434 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2212 GetRequests, 2017 SyntacticMatches, 3 SemanticMatches, 192 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13810 ImplicationChecksByTransitivity, 17.8s TimeCoverageRelationStatistics Valid=4785, Invalid=32653, Unknown=4, NotChecked=0, Total=37442 [2018-11-10 08:47:45,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9378 states. [2018-11-10 08:47:45,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9378 to 6327. [2018-11-10 08:47:45,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6327 states. [2018-11-10 08:47:45,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6327 states to 6327 states and 6519 transitions. [2018-11-10 08:47:45,568 INFO L78 Accepts]: Start accepts. Automaton has 6327 states and 6519 transitions. Word has length 1958 [2018-11-10 08:47:45,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 08:47:45,569 INFO L481 AbstractCegarLoop]: Abstraction has 6327 states and 6519 transitions. [2018-11-10 08:47:45,569 INFO L482 AbstractCegarLoop]: Interpolant automaton has 33 states. [2018-11-10 08:47:45,569 INFO L276 IsEmpty]: Start isEmpty. Operand 6327 states and 6519 transitions. [2018-11-10 08:47:45,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2012 [2018-11-10 08:47:45,595 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 08:47:45,596 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, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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] [2018-11-10 08:47:45,596 INFO L424 AbstractCegarLoop]: === Iteration 20 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 08:47:45,596 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 08:47:45,596 INFO L82 PathProgramCache]: Analyzing trace with hash 167620738, now seen corresponding path program 1 times [2018-11-10 08:47:45,596 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 08:47:45,597 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 08:47:45,597 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 08:47:45,597 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 08:47:45,597 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 08:47:45,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:47:49,919 INFO L134 CoverageAnalysis]: Checked inductivity of 12254 backedges. 6778 proven. 1411 refuted. 0 times theorem prover too weak. 4065 trivial. 0 not checked. [2018-11-10 08:47:49,920 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 08:47:49,920 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_48d131a8-8717-4e3e-a630-89595be46c66/bin-2019/uautomizer/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-10 08:47:49,925 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 08:47:50,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:47:50,139 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 08:47:51,363 INFO L134 CoverageAnalysis]: Checked inductivity of 12254 backedges. 2148 proven. 2 refuted. 0 times theorem prover too weak. 10104 trivial. 0 not checked. [2018-11-10 08:47:51,380 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 08:47:51,381 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 6] total 19 [2018-11-10 08:47:51,382 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-10 08:47:51,382 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-10 08:47:51,382 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2018-11-10 08:47:51,382 INFO L87 Difference]: Start difference. First operand 6327 states and 6519 transitions. Second operand 19 states. [2018-11-10 08:47:55,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 08:47:55,116 INFO L93 Difference]: Finished difference Result 12620 states and 13102 transitions. [2018-11-10 08:47:55,117 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2018-11-10 08:47:55,117 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 2011 [2018-11-10 08:47:55,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 08:47:55,128 INFO L225 Difference]: With dead ends: 12620 [2018-11-10 08:47:55,128 INFO L226 Difference]: Without dead ends: 6484 [2018-11-10 08:47:55,139 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2096 GetRequests, 2047 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 631 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=581, Invalid=1969, Unknown=0, NotChecked=0, Total=2550 [2018-11-10 08:47:55,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6484 states. [2018-11-10 08:47:55,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6484 to 5772. [2018-11-10 08:47:55,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5772 states. [2018-11-10 08:47:55,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5772 states to 5772 states and 5864 transitions. [2018-11-10 08:47:55,232 INFO L78 Accepts]: Start accepts. Automaton has 5772 states and 5864 transitions. Word has length 2011 [2018-11-10 08:47:55,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 08:47:55,233 INFO L481 AbstractCegarLoop]: Abstraction has 5772 states and 5864 transitions. [2018-11-10 08:47:55,233 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-10 08:47:55,233 INFO L276 IsEmpty]: Start isEmpty. Operand 5772 states and 5864 transitions. [2018-11-10 08:47:55,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2307 [2018-11-10 08:47:55,253 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 08:47:55,253 INFO L375 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 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, 15, 15, 15, 15, 15, 15, 15, 15, 14, 13, 13, 13, 12, 12, 12, 12, 11, 10, 9, 9, 9, 9, 9, 9, 9, 9, 7, 7, 7, 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, 4, 4, 4, 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] [2018-11-10 08:47:55,253 INFO L424 AbstractCegarLoop]: === Iteration 21 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 08:47:55,254 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 08:47:55,254 INFO L82 PathProgramCache]: Analyzing trace with hash 870959395, now seen corresponding path program 1 times [2018-11-10 08:47:55,254 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 08:47:55,254 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 08:47:55,254 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 08:47:55,254 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 08:47:55,254 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 08:47:55,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:47:59,367 INFO L134 CoverageAnalysis]: Checked inductivity of 16139 backedges. 2266 proven. 5841 refuted. 0 times theorem prover too weak. 8032 trivial. 0 not checked. [2018-11-10 08:47:59,367 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 08:47:59,367 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_48d131a8-8717-4e3e-a630-89595be46c66/bin-2019/uautomizer/z3 Starting monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-10 08:47:59,373 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 08:47:59,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:47:59,617 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 08:48:01,109 INFO L134 CoverageAnalysis]: Checked inductivity of 16139 backedges. 7067 proven. 2 refuted. 0 times theorem prover too weak. 9070 trivial. 0 not checked. [2018-11-10 08:48:01,127 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 08:48:01,127 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 5] total 18 [2018-11-10 08:48:01,128 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-11-10 08:48:01,128 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-11-10 08:48:01,128 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=246, Unknown=0, NotChecked=0, Total=306 [2018-11-10 08:48:01,129 INFO L87 Difference]: Start difference. First operand 5772 states and 5864 transitions. Second operand 18 states. [2018-11-10 08:48:03,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 08:48:03,016 INFO L93 Difference]: Finished difference Result 11324 states and 11568 transitions. [2018-11-10 08:48:03,016 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-11-10 08:48:03,016 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 2306 [2018-11-10 08:48:03,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 08:48:03,026 INFO L225 Difference]: With dead ends: 11324 [2018-11-10 08:48:03,026 INFO L226 Difference]: Without dead ends: 5308 [2018-11-10 08:48:03,030 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2381 GetRequests, 2338 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 476 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=458, Invalid=1522, Unknown=0, NotChecked=0, Total=1980 [2018-11-10 08:48:03,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5308 states. [2018-11-10 08:48:03,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5308 to 5090. [2018-11-10 08:48:03,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5090 states. [2018-11-10 08:48:03,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5090 states to 5090 states and 5155 transitions. [2018-11-10 08:48:03,094 INFO L78 Accepts]: Start accepts. Automaton has 5090 states and 5155 transitions. Word has length 2306 [2018-11-10 08:48:03,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 08:48:03,095 INFO L481 AbstractCegarLoop]: Abstraction has 5090 states and 5155 transitions. [2018-11-10 08:48:03,096 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-11-10 08:48:03,096 INFO L276 IsEmpty]: Start isEmpty. Operand 5090 states and 5155 transitions. [2018-11-10 08:48:03,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2444 [2018-11-10 08:48:03,118 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 08:48:03,119 INFO L375 BasicCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 17, 17, 17, 17, 17, 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, 14, 14, 14, 13, 13, 13, 13, 12, 11, 10, 10, 10, 10, 10, 10, 9, 9, 7, 7, 7, 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, 4, 4, 4, 4, 4, 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, 1, 1] [2018-11-10 08:48:03,119 INFO L424 AbstractCegarLoop]: === Iteration 22 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 08:48:03,119 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 08:48:03,120 INFO L82 PathProgramCache]: Analyzing trace with hash -945940515, now seen corresponding path program 1 times [2018-11-10 08:48:03,120 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 08:48:03,120 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 08:48:03,120 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 08:48:03,121 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 08:48:03,121 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 08:48:03,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:48:08,477 INFO L134 CoverageAnalysis]: Checked inductivity of 18192 backedges. 2300 proven. 9298 refuted. 0 times theorem prover too weak. 6594 trivial. 0 not checked. [2018-11-10 08:48:08,477 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 08:48:08,477 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_48d131a8-8717-4e3e-a630-89595be46c66/bin-2019/uautomizer/z3 Starting monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-10 08:48:08,483 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 08:48:08,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:48:08,748 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 08:48:10,287 INFO L134 CoverageAnalysis]: Checked inductivity of 18192 backedges. 2588 proven. 39 refuted. 0 times theorem prover too weak. 15565 trivial. 0 not checked. [2018-11-10 08:48:10,305 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 08:48:10,305 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 6] total 30 [2018-11-10 08:48:10,306 INFO L460 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-11-10 08:48:10,306 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-11-10 08:48:10,306 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=782, Unknown=0, NotChecked=0, Total=870 [2018-11-10 08:48:10,306 INFO L87 Difference]: Start difference. First operand 5090 states and 5155 transitions. Second operand 30 states. [2018-11-10 08:48:19,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 08:48:19,712 INFO L93 Difference]: Finished difference Result 6163 states and 6344 transitions. [2018-11-10 08:48:19,712 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2018-11-10 08:48:19,712 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 2443 [2018-11-10 08:48:19,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 08:48:19,714 INFO L225 Difference]: With dead ends: 6163 [2018-11-10 08:48:19,714 INFO L226 Difference]: Without dead ends: 0 [2018-11-10 08:48:19,718 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2586 GetRequests, 2474 SyntacticMatches, 2 SemanticMatches, 110 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3782 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=1908, Invalid=10524, Unknown=0, NotChecked=0, Total=12432 [2018-11-10 08:48:19,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-10 08:48:19,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-10 08:48:19,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-10 08:48:19,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-10 08:48:19,719 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 2443 [2018-11-10 08:48:19,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 08:48:19,719 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 08:48:19,719 INFO L482 AbstractCegarLoop]: Interpolant automaton has 30 states. [2018-11-10 08:48:19,719 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-10 08:48:19,719 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 08:48:19,722 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-10 08:48:19,779 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:48:19,893 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:48:19,927 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:48:20,025 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:48:20,033 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:48:20,041 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:48:20,105 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:48:20,174 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:48:20,182 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:48:20,264 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:48:20,272 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:48:20,279 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:48:20,322 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:48:20,352 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:48:20,584 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:48:20,690 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:48:20,710 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:48:20,998 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:48:21,041 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:48:21,125 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:48:21,544 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:48:21,562 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:48:21,585 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:48:21,748 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:48:22,266 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:48:22,434 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:48:22,591 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:48:23,188 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:48:23,243 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:48:23,497 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:48:23,610 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:48:23,749 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:48:23,814 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:48:24,065 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:48:24,387 WARN L179 SmtUtils]: Spent 4.05 s on a formula simplification. DAG size of input: 1406 DAG size of output: 1195 [2018-11-10 08:48:24,400 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:48:24,513 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:48:24,569 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:48:24,580 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:48:24,812 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:48:24,850 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:48:24,930 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:48:25,321 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:48:25,334 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:48:25,346 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:48:25,472 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:48:25,996 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:48:26,150 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:48:26,286 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:48:26,810 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:48:26,857 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:48:27,093 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:48:27,202 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:48:27,328 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:48:27,386 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:48:27,616 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:48:27,949 WARN L179 SmtUtils]: Spent 3.56 s on a formula simplification. DAG size of input: 1406 DAG size of output: 1195 [2018-11-10 08:48:30,229 WARN L179 SmtUtils]: Spent 2.20 s on a formula simplification. DAG size of input: 534 DAG size of output: 150 [2018-11-10 08:48:40,953 WARN L179 SmtUtils]: Spent 10.71 s on a formula simplification. DAG size of input: 1157 DAG size of output: 154 [2018-11-10 08:48:52,054 WARN L179 SmtUtils]: Spent 11.10 s on a formula simplification. DAG size of input: 1157 DAG size of output: 154 [2018-11-10 08:48:52,056 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-10 08:48:52,056 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)) [2018-11-10 08:48:52,056 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-10 08:48:52,056 INFO L425 ceAbstractionStarter]: For program point L432(lines 432 870) no Hoare annotation was computed. [2018-11-10 08:48:52,056 INFO L425 ceAbstractionStarter]: For program point L366(lines 366 870) no Hoare annotation was computed. [2018-11-10 08:48:52,056 INFO L425 ceAbstractionStarter]: For program point L168(lines 20 872) no Hoare annotation was computed. [2018-11-10 08:48:52,056 INFO L425 ceAbstractionStarter]: For program point L102(lines 20 872) no Hoare annotation was computed. [2018-11-10 08:48:52,057 INFO L425 ceAbstractionStarter]: For program point L36(lines 20 872) no Hoare annotation was computed. [2018-11-10 08:48:52,057 INFO L425 ceAbstractionStarter]: For program point L235(lines 235 870) no Hoare annotation was computed. [2018-11-10 08:48:52,057 INFO L425 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-11-10 08:48:52,057 INFO L425 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-11-10 08:48:52,057 INFO L425 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-11-10 08:48:52,057 INFO L425 ceAbstractionStarter]: For program point L764(lines 764 870) no Hoare annotation was computed. [2018-11-10 08:48:52,057 INFO L425 ceAbstractionStarter]: For program point L632(lines 632 870) no Hoare annotation was computed. [2018-11-10 08:48:52,057 INFO L425 ceAbstractionStarter]: For program point L500(lines 500 870) no Hoare annotation was computed. [2018-11-10 08:48:52,057 INFO L425 ceAbstractionStarter]: For program point L831(lines 831 870) no Hoare annotation was computed. [2018-11-10 08:48:52,057 INFO L425 ceAbstractionStarter]: For program point L171(lines 20 872) no Hoare annotation was computed. [2018-11-10 08:48:52,057 INFO L425 ceAbstractionStarter]: For program point L105(lines 20 872) no Hoare annotation was computed. [2018-11-10 08:48:52,057 INFO L425 ceAbstractionStarter]: For program point L39(lines 20 872) no Hoare annotation was computed. [2018-11-10 08:48:52,057 INFO L425 ceAbstractionStarter]: For program point L700(lines 700 870) no Hoare annotation was computed. [2018-11-10 08:48:52,057 INFO L425 ceAbstractionStarter]: For program point L568(lines 568 870) no Hoare annotation was computed. [2018-11-10 08:48:52,057 INFO L425 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-11-10 08:48:52,057 INFO L425 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-11-10 08:48:52,058 INFO L425 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-11-10 08:48:52,058 INFO L425 ceAbstractionStarter]: For program point L305(lines 305 870) no Hoare annotation was computed. [2018-11-10 08:48:52,058 INFO L425 ceAbstractionStarter]: For program point L438(lines 438 870) no Hoare annotation was computed. [2018-11-10 08:48:52,058 INFO L425 ceAbstractionStarter]: For program point L372(lines 372 870) no Hoare annotation was computed. [2018-11-10 08:48:52,058 INFO L425 ceAbstractionStarter]: For program point L174(lines 20 872) no Hoare annotation was computed. [2018-11-10 08:48:52,058 INFO L425 ceAbstractionStarter]: For program point L108(lines 20 872) no Hoare annotation was computed. [2018-11-10 08:48:52,058 INFO L425 ceAbstractionStarter]: For program point L42(lines 20 872) no Hoare annotation was computed. [2018-11-10 08:48:52,058 INFO L425 ceAbstractionStarter]: For program point L241(lines 241 870) no Hoare annotation was computed. [2018-11-10 08:48:52,058 INFO L425 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-11-10 08:48:52,058 INFO L425 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-11-10 08:48:52,058 INFO L425 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-11-10 08:48:52,058 INFO L425 ceAbstractionStarter]: For program point L638(lines 638 870) no Hoare annotation was computed. [2018-11-10 08:48:52,058 INFO L425 ceAbstractionStarter]: For program point L506(lines 506 870) no Hoare annotation was computed. [2018-11-10 08:48:52,058 INFO L425 ceAbstractionStarter]: For program point L837(lines 837 870) no Hoare annotation was computed. [2018-11-10 08:48:52,058 INFO L425 ceAbstractionStarter]: For program point L771(lines 771 870) no Hoare annotation was computed. [2018-11-10 08:48:52,058 INFO L425 ceAbstractionStarter]: For program point L573(lines 573 870) no Hoare annotation was computed. [2018-11-10 08:48:52,059 INFO L425 ceAbstractionStarter]: For program point L177(lines 20 872) no Hoare annotation was computed. [2018-11-10 08:48:52,059 INFO L425 ceAbstractionStarter]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2018-11-10 08:48:52,059 INFO L425 ceAbstractionStarter]: For program point L45(lines 20 872) no Hoare annotation was computed. [2018-11-10 08:48:52,059 INFO L425 ceAbstractionStarter]: For program point L706(lines 706 870) no Hoare annotation was computed. [2018-11-10 08:48:52,059 INFO L425 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-11-10 08:48:52,059 INFO L425 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-11-10 08:48:52,059 INFO L425 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-11-10 08:48:52,059 INFO L425 ceAbstractionStarter]: For program point L311(lines 311 870) no Hoare annotation was computed. [2018-11-10 08:48:52,059 INFO L425 ceAbstractionStarter]: For program point L444(lines 444 870) no Hoare annotation was computed. [2018-11-10 08:48:52,059 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 870) no Hoare annotation was computed. [2018-11-10 08:48:52,059 INFO L425 ceAbstractionStarter]: For program point L180(lines 20 872) no Hoare annotation was computed. [2018-11-10 08:48:52,059 INFO L425 ceAbstractionStarter]: For program point L114(lines 20 872) no Hoare annotation was computed. [2018-11-10 08:48:52,059 INFO L425 ceAbstractionStarter]: For program point L48(lines 20 872) no Hoare annotation was computed. [2018-11-10 08:48:52,059 INFO L425 ceAbstractionStarter]: For program point L247(lines 247 870) no Hoare annotation was computed. [2018-11-10 08:48:52,059 INFO L425 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-11-10 08:48:52,059 INFO L425 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-11-10 08:48:52,060 INFO L425 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-11-10 08:48:52,060 INFO L425 ceAbstractionStarter]: For program point L842(lines 842 870) no Hoare annotation was computed. [2018-11-10 08:48:52,060 INFO L425 ceAbstractionStarter]: For program point L644(lines 644 870) no Hoare annotation was computed. [2018-11-10 08:48:52,060 INFO L425 ceAbstractionStarter]: For program point L512(lines 512 870) no Hoare annotation was computed. [2018-11-10 08:48:52,060 INFO L425 ceAbstractionStarter]: For program point L777(lines 777 870) no Hoare annotation was computed. [2018-11-10 08:48:52,060 INFO L425 ceAbstractionStarter]: For program point L579(lines 579 870) no Hoare annotation was computed. [2018-11-10 08:48:52,060 INFO L425 ceAbstractionStarter]: For program point L183(lines 20 872) no Hoare annotation was computed. [2018-11-10 08:48:52,060 INFO L425 ceAbstractionStarter]: For program point L117(lines 20 872) no Hoare annotation was computed. [2018-11-10 08:48:52,060 INFO L425 ceAbstractionStarter]: For program point L51(lines 20 872) no Hoare annotation was computed. [2018-11-10 08:48:52,060 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 872) no Hoare annotation was computed. [2018-11-10 08:48:52,060 INFO L425 ceAbstractionStarter]: For program point L712(lines 712 870) no Hoare annotation was computed. [2018-11-10 08:48:52,060 INFO L425 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-11-10 08:48:52,060 INFO L425 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-11-10 08:48:52,060 INFO L425 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-11-10 08:48:52,060 INFO L425 ceAbstractionStarter]: For program point L449(lines 449 870) no Hoare annotation was computed. [2018-11-10 08:48:52,060 INFO L425 ceAbstractionStarter]: For program point L317(lines 317 870) no Hoare annotation was computed. [2018-11-10 08:48:52,061 INFO L425 ceAbstractionStarter]: For program point L384(lines 384 870) no Hoare annotation was computed. [2018-11-10 08:48:52,061 INFO L425 ceAbstractionStarter]: For program point L252(lines 252 870) no Hoare annotation was computed. [2018-11-10 08:48:52,061 INFO L425 ceAbstractionStarter]: For program point L186(lines 20 872) no Hoare annotation was computed. [2018-11-10 08:48:52,061 INFO L425 ceAbstractionStarter]: For program point L120(lines 20 872) no Hoare annotation was computed. [2018-11-10 08:48:52,061 INFO L425 ceAbstractionStarter]: For program point L54(lines 20 872) no Hoare annotation was computed. [2018-11-10 08:48:52,061 INFO L425 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-11-10 08:48:52,061 INFO L425 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-11-10 08:48:52,061 INFO L425 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-11-10 08:48:52,061 INFO L425 ceAbstractionStarter]: For program point L848(lines 848 870) no Hoare annotation was computed. [2018-11-10 08:48:52,061 INFO L425 ceAbstractionStarter]: For program point L650(lines 650 870) no Hoare annotation was computed. [2018-11-10 08:48:52,061 INFO L425 ceAbstractionStarter]: For program point L518(lines 518 870) no Hoare annotation was computed. [2018-11-10 08:48:52,061 INFO L425 ceAbstractionStarter]: For program point L783(lines 783 870) no Hoare annotation was computed. [2018-11-10 08:48:52,061 INFO L425 ceAbstractionStarter]: For program point L585(lines 585 870) no Hoare annotation was computed. [2018-11-10 08:48:52,061 INFO L425 ceAbstractionStarter]: For program point L189(lines 20 872) no Hoare annotation was computed. [2018-11-10 08:48:52,061 INFO L425 ceAbstractionStarter]: For program point L123(lines 20 872) no Hoare annotation was computed. [2018-11-10 08:48:52,061 INFO L425 ceAbstractionStarter]: For program point L57(lines 20 872) no Hoare annotation was computed. [2018-11-10 08:48:52,062 INFO L425 ceAbstractionStarter]: For program point L718(lines 718 870) no Hoare annotation was computed. [2018-11-10 08:48:52,062 INFO L425 ceAbstractionStarter]: For program point L454(lines 454 870) no Hoare annotation was computed. [2018-11-10 08:48:52,062 INFO L425 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-11-10 08:48:52,062 INFO L425 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-11-10 08:48:52,062 INFO L425 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-11-10 08:48:52,062 INFO L425 ceAbstractionStarter]: For program point L323(lines 323 870) no Hoare annotation was computed. [2018-11-10 08:48:52,062 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 872) the Hoare annotation is: (let ((.cse17 (= 7 |old(~a15~0)|)) (.cse23 (= 9 ~a15~0)) (.cse19 (= 10 |old(~a21~0)|)) (.cse22 (= 10 ~a21~0)) (.cse3 (= 6 |old(~a21~0)|)) (.cse4 (= 7 |old(~a21~0)|)) (.cse21 (= 1 ~a24~0)) (.cse31 (= 8 ~a15~0)) (.cse10 (= ~a12~0 |old(~a12~0)|)) (.cse11 (= ~a24~0 |old(~a24~0)|)) (.cse12 (= ~a21~0 |old(~a21~0)|)) (.cse33 (= |old(~a15~0)| ~a15~0))) (let ((.cse0 (not (= 6 |old(~a15~0)|))) (.cse15 (and .cse10 .cse11 .cse12 .cse33)) (.cse26 (< 0 (+ |old(~a12~0)| 43))) (.cse16 (< 0 (+ |old(~a12~0)| 49))) (.cse18 (< 7 |old(~a15~0)|)) (.cse2 (and .cse10 .cse12 .cse21 .cse31)) (.cse5 (not (= 8 |old(~a15~0)|))) (.cse24 (< 11 |old(~a12~0)|)) (.cse13 (= ~a15~0 |old(~a15~0)|)) (.cse27 (not (= 8 |old(~a21~0)|))) (.cse25 (not .cse4)) (.cse8 (not .cse3)) (.cse30 (not (= 5 |old(~a15~0)|))) (.cse29 (and .cse10 .cse33 .cse21 .cse22)) (.cse20 (not .cse19)) (.cse32 (< 8 |old(~a15~0)|)) (.cse9 (not (= 9 |old(~a15~0)|))) (.cse1 (< |old(~a12~0)| 19)) (.cse6 (not (= 1 |old(~a24~0)|))) (.cse7 (and .cse10 .cse12 .cse21 .cse23)) (.cse28 (and (<= ~a12~0 |old(~a12~0)|) .cse11 .cse12 .cse33)) (.cse14 (not .cse17))) (and (or .cse0 (= 6 ~a15~0)) (or .cse1 .cse2 (or .cse3 (< 76 |old(~a12~0)|) .cse4 .cse5) .cse6) (or .cse7 .cse8 .cse9 (< 95442 |old(~a12~0)|) .cse6 (< |old(~a12~0)| 95381)) (or (and .cse10 .cse11 .cse12 .cse13) (or (or .cse4 .cse14) .cse6)) (or .cse15 .cse16 .cse17 .cse18 .cse19) (or .cse9 .cse20 (and .cse10 .cse21 .cse22 .cse23) .cse6 .cse24) (or (and (and .cse10 .cse11 .cse22) .cse13) (or .cse9 .cse20 (< |old(~a12~0)| 81) .cse6)) (or .cse25 .cse14 .cse26 .cse15) (or (<= (+ ~a12~0 43) 0) .cse0 .cse26) (or .cse3 .cse4 .cse18 .cse15 .cse19) (or .cse2 .cse1 .cse5 .cse27 .cse6 (< 73282 |old(~a12~0)|)) (or .cse2 (or .cse5 .cse3 .cse24) .cse6) (or .cse15 .cse25 .cse17 .cse18) (or .cse2 .cse6 .cse5 .cse26) (or .cse28 .cse16 .cse17 .cse18) (or .cse8 .cse2 .cse6 .cse5 (< |old(~a12~0)| 286349)) (or .cse29 .cse20 .cse1 .cse30 .cse6) (or .cse7 .cse27 .cse9 .cse6 .cse24) (or .cse20 .cse1 (and .cse10 .cse21 .cse31 .cse22) .cse6 .cse5) (or .cse29 .cse20 .cse6 .cse24 .cse32) (or (and (and .cse10 .cse21) .cse12 .cse13) (and (or .cse9 .cse1 .cse6 .cse27) (or .cse9 .cse25 .cse1 .cse6))) (or .cse8 .cse6 .cse30 (and .cse10 .cse12 .cse33 .cse21)) (or (and .cse10 .cse12 (= 7 ~a15~0) .cse21) .cse1 (or .cse14 .cse6)) (or .cse29 .cse20 .cse6 (< 72 |old(~a12~0)|) (<= |old(~a12~0)| 18) .cse32) (or .cse9 .cse1 .cse6 (not (= |old(~a15~0)| |old(~a21~0)|)) .cse7) (or .cse28 .cse14 (< 0 (+ |old(~a12~0)| 546051)) (< |old(~a21~0)| 7))))) [2018-11-10 08:48:52,062 INFO L425 ceAbstractionStarter]: For program point L390(lines 390 870) no Hoare annotation was computed. [2018-11-10 08:48:52,062 INFO L425 ceAbstractionStarter]: For program point L258(lines 258 870) no Hoare annotation was computed. [2018-11-10 08:48:52,062 INFO L425 ceAbstractionStarter]: For program point L192(lines 20 872) no Hoare annotation was computed. [2018-11-10 08:48:52,063 INFO L425 ceAbstractionStarter]: For program point L126(lines 20 872) no Hoare annotation was computed. [2018-11-10 08:48:52,063 INFO L425 ceAbstractionStarter]: For program point L60(lines 20 872) no Hoare annotation was computed. [2018-11-10 08:48:52,063 INFO L425 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-11-10 08:48:52,063 INFO L425 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-11-10 08:48:52,063 INFO L425 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-11-10 08:48:52,063 INFO L425 ceAbstractionStarter]: For program point L854(lines 854 870) no Hoare annotation was computed. [2018-11-10 08:48:52,063 INFO L425 ceAbstractionStarter]: For program point L656(lines 656 870) no Hoare annotation was computed. [2018-11-10 08:48:52,063 INFO L425 ceAbstractionStarter]: For program point L524(lines 524 870) no Hoare annotation was computed. [2018-11-10 08:48:52,063 INFO L425 ceAbstractionStarter]: For program point L789(lines 789 870) no Hoare annotation was computed. [2018-11-10 08:48:52,063 INFO L425 ceAbstractionStarter]: For program point L591(lines 591 870) no Hoare annotation was computed. [2018-11-10 08:48:52,063 INFO L425 ceAbstractionStarter]: For program point L195(lines 20 872) no Hoare annotation was computed. [2018-11-10 08:48:52,063 INFO L425 ceAbstractionStarter]: For program point L129(lines 20 872) no Hoare annotation was computed. [2018-11-10 08:48:52,063 INFO L425 ceAbstractionStarter]: For program point L63(lines 20 872) no Hoare annotation was computed. [2018-11-10 08:48:52,063 INFO L425 ceAbstractionStarter]: For program point L724(lines 724 870) no Hoare annotation was computed. [2018-11-10 08:48:52,063 INFO L425 ceAbstractionStarter]: For program point L460(lines 460 870) no Hoare annotation was computed. [2018-11-10 08:48:52,063 INFO L425 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-11-10 08:48:52,064 INFO L425 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-11-10 08:48:52,064 INFO L425 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-11-10 08:48:52,064 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 870) no Hoare annotation was computed. [2018-11-10 08:48:52,064 INFO L425 ceAbstractionStarter]: For program point L396(lines 396 870) no Hoare annotation was computed. [2018-11-10 08:48:52,064 INFO L425 ceAbstractionStarter]: For program point L264(lines 264 870) no Hoare annotation was computed. [2018-11-10 08:48:52,064 INFO L425 ceAbstractionStarter]: For program point L198(lines 20 872) no Hoare annotation was computed. [2018-11-10 08:48:52,064 INFO L425 ceAbstractionStarter]: For program point L132(lines 20 872) no Hoare annotation was computed. [2018-11-10 08:48:52,064 INFO L425 ceAbstractionStarter]: For program point L66(lines 20 872) no Hoare annotation was computed. [2018-11-10 08:48:52,064 INFO L425 ceAbstractionStarter]: For program point L859(lines 859 870) no Hoare annotation was computed. [2018-11-10 08:48:52,064 INFO L425 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-11-10 08:48:52,064 INFO L425 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-11-10 08:48:52,064 INFO L425 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-11-10 08:48:52,064 INFO L425 ceAbstractionStarter]: For program point L662(lines 662 870) no Hoare annotation was computed. [2018-11-10 08:48:52,064 INFO L425 ceAbstractionStarter]: For program point L530(lines 530 870) no Hoare annotation was computed. [2018-11-10 08:48:52,064 INFO L425 ceAbstractionStarter]: For program point L795(lines 795 870) no Hoare annotation was computed. [2018-11-10 08:48:52,064 INFO L425 ceAbstractionStarter]: For program point L597(lines 597 870) no Hoare annotation was computed. [2018-11-10 08:48:52,065 INFO L425 ceAbstractionStarter]: For program point L201(lines 20 872) no Hoare annotation was computed. [2018-11-10 08:48:52,065 INFO L425 ceAbstractionStarter]: For program point L135(lines 20 872) no Hoare annotation was computed. [2018-11-10 08:48:52,065 INFO L425 ceAbstractionStarter]: For program point L69(lines 20 872) no Hoare annotation was computed. [2018-11-10 08:48:52,065 INFO L425 ceAbstractionStarter]: For program point L730(lines 730 870) no Hoare annotation was computed. [2018-11-10 08:48:52,065 INFO L425 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-11-10 08:48:52,065 INFO L425 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-11-10 08:48:52,065 INFO L425 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-11-10 08:48:52,065 INFO L425 ceAbstractionStarter]: For program point L467(lines 467 870) no Hoare annotation was computed. [2018-11-10 08:48:52,065 INFO L425 ceAbstractionStarter]: For program point L335(lines 335 870) no Hoare annotation was computed. [2018-11-10 08:48:52,065 INFO L425 ceAbstractionStarter]: For program point L269(lines 269 870) no Hoare annotation was computed. [2018-11-10 08:48:52,065 INFO L425 ceAbstractionStarter]: For program point L402(lines 402 870) no Hoare annotation was computed. [2018-11-10 08:48:52,065 INFO L425 ceAbstractionStarter]: For program point L138(lines 20 872) no Hoare annotation was computed. [2018-11-10 08:48:52,065 INFO L425 ceAbstractionStarter]: For program point L72(lines 20 872) no Hoare annotation was computed. [2018-11-10 08:48:52,065 INFO L425 ceAbstractionStarter]: For program point L865(lines 865 870) no Hoare annotation was computed. [2018-11-10 08:48:52,065 INFO L425 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-11-10 08:48:52,065 INFO L425 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-11-10 08:48:52,066 INFO L425 ceAbstractionStarter]: For program point L668(lines 668 870) no Hoare annotation was computed. [2018-11-10 08:48:52,066 INFO L425 ceAbstractionStarter]: For program point L536(lines 536 870) no Hoare annotation was computed. [2018-11-10 08:48:52,066 INFO L425 ceAbstractionStarter]: For program point L801(lines 801 870) no Hoare annotation was computed. [2018-11-10 08:48:52,066 INFO L425 ceAbstractionStarter]: For program point L735(lines 735 870) no Hoare annotation was computed. [2018-11-10 08:48:52,066 INFO L425 ceAbstractionStarter]: For program point L603(lines 603 870) no Hoare annotation was computed. [2018-11-10 08:48:52,066 INFO L425 ceAbstractionStarter]: For program point L141(lines 20 872) no Hoare annotation was computed. [2018-11-10 08:48:52,066 INFO L425 ceAbstractionStarter]: For program point L75(lines 20 872) no Hoare annotation was computed. [2018-11-10 08:48:52,066 INFO L425 ceAbstractionStarter]: For program point L472(lines 472 870) no Hoare annotation was computed. [2018-11-10 08:48:52,066 INFO L425 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-11-10 08:48:52,066 INFO L425 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-11-10 08:48:52,066 INFO L425 ceAbstractionStarter]: For program point L341(lines 341 870) no Hoare annotation was computed. [2018-11-10 08:48:52,066 INFO L425 ceAbstractionStarter]: For program point L275(lines 275 870) no Hoare annotation was computed. [2018-11-10 08:48:52,066 INFO L425 ceAbstractionStarter]: For program point L408(lines 408 870) no Hoare annotation was computed. [2018-11-10 08:48:52,066 INFO L425 ceAbstractionStarter]: For program point L144(lines 20 872) no Hoare annotation was computed. [2018-11-10 08:48:52,066 INFO L425 ceAbstractionStarter]: For program point L78(lines 20 872) no Hoare annotation was computed. [2018-11-10 08:48:52,066 INFO L425 ceAbstractionStarter]: For program point L541(lines 541 870) no Hoare annotation was computed. [2018-11-10 08:48:52,066 INFO L425 ceAbstractionStarter]: For program point L211(lines 211 870) no Hoare annotation was computed. [2018-11-10 08:48:52,067 INFO L425 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-11-10 08:48:52,067 INFO L425 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-11-10 08:48:52,067 INFO L425 ceAbstractionStarter]: For program point L674(lines 674 870) no Hoare annotation was computed. [2018-11-10 08:48:52,067 INFO L425 ceAbstractionStarter]: For program point L807(lines 807 870) no Hoare annotation was computed. [2018-11-10 08:48:52,067 INFO L425 ceAbstractionStarter]: For program point L741(lines 741 870) no Hoare annotation was computed. [2018-11-10 08:48:52,067 INFO L425 ceAbstractionStarter]: For program point L609(lines 609 870) no Hoare annotation was computed. [2018-11-10 08:48:52,067 INFO L425 ceAbstractionStarter]: For program point L147(lines 20 872) no Hoare annotation was computed. [2018-11-10 08:48:52,067 INFO L425 ceAbstractionStarter]: For program point L81(lines 20 872) no Hoare annotation was computed. [2018-11-10 08:48:52,067 INFO L425 ceAbstractionStarter]: For program point L478(lines 478 870) no Hoare annotation was computed. [2018-11-10 08:48:52,067 INFO L425 ceAbstractionStarter]: For program point L280(lines 280 870) no Hoare annotation was computed. [2018-11-10 08:48:52,067 INFO L425 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-11-10 08:48:52,067 INFO L425 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-11-10 08:48:52,067 INFO L425 ceAbstractionStarter]: For program point L677(lines 677 870) no Hoare annotation was computed. [2018-11-10 08:48:52,067 INFO L425 ceAbstractionStarter]: For program point L347(lines 347 870) no Hoare annotation was computed. [2018-11-10 08:48:52,067 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 870) no Hoare annotation was computed. [2018-11-10 08:48:52,067 INFO L425 ceAbstractionStarter]: For program point L150(lines 20 872) no Hoare annotation was computed. [2018-11-10 08:48:52,068 INFO L425 ceAbstractionStarter]: For program point L84(lines 20 872) no Hoare annotation was computed. [2018-11-10 08:48:52,068 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 872) no Hoare annotation was computed. [2018-11-10 08:48:52,068 INFO L425 ceAbstractionStarter]: For program point L547(lines 547 870) no Hoare annotation was computed. [2018-11-10 08:48:52,068 INFO L425 ceAbstractionStarter]: For program point L217(lines 217 870) no Hoare annotation was computed. [2018-11-10 08:48:52,068 INFO L425 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-11-10 08:48:52,068 INFO L425 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-11-10 08:48:52,068 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 112) no Hoare annotation was computed. [2018-11-10 08:48:52,068 INFO L425 ceAbstractionStarter]: For program point L747(lines 747 870) no Hoare annotation was computed. [2018-11-10 08:48:52,068 INFO L425 ceAbstractionStarter]: For program point L615(lines 615 870) no Hoare annotation was computed. [2018-11-10 08:48:52,068 INFO L425 ceAbstractionStarter]: For program point L153(lines 20 872) no Hoare annotation was computed. [2018-11-10 08:48:52,068 INFO L425 ceAbstractionStarter]: For program point L87(lines 20 872) no Hoare annotation was computed. [2018-11-10 08:48:52,068 INFO L425 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-11-10 08:48:52,068 INFO L425 ceAbstractionStarter]: For program point L21-1(lines 20 872) no Hoare annotation was computed. [2018-11-10 08:48:52,068 INFO L425 ceAbstractionStarter]: For program point L814(lines 814 870) no Hoare annotation was computed. [2018-11-10 08:48:52,068 INFO L425 ceAbstractionStarter]: For program point L484(lines 484 870) no Hoare annotation was computed. [2018-11-10 08:48:52,068 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 870) no Hoare annotation was computed. [2018-11-10 08:48:52,069 INFO L425 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-11-10 08:48:52,069 INFO L425 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-11-10 08:48:52,069 INFO L425 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-11-10 08:48:52,069 INFO L425 ceAbstractionStarter]: For program point L683(lines 683 870) no Hoare annotation was computed. [2018-11-10 08:48:52,069 INFO L425 ceAbstractionStarter]: For program point L353(lines 353 870) no Hoare annotation was computed. [2018-11-10 08:48:52,069 INFO L425 ceAbstractionStarter]: For program point L552(lines 552 870) no Hoare annotation was computed. [2018-11-10 08:48:52,069 INFO L425 ceAbstractionStarter]: For program point L420(lines 420 870) no Hoare annotation was computed. [2018-11-10 08:48:52,069 INFO L425 ceAbstractionStarter]: For program point L156(lines 20 872) no Hoare annotation was computed. [2018-11-10 08:48:52,069 INFO L425 ceAbstractionStarter]: For program point L90(lines 20 872) no Hoare annotation was computed. [2018-11-10 08:48:52,069 INFO L425 ceAbstractionStarter]: For program point L24(lines 20 872) no Hoare annotation was computed. [2018-11-10 08:48:52,069 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 870) no Hoare annotation was computed. [2018-11-10 08:48:52,069 INFO L425 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-11-10 08:48:52,069 INFO L425 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-11-10 08:48:52,069 INFO L425 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-11-10 08:48:52,069 INFO L425 ceAbstractionStarter]: For program point L752(lines 752 870) no Hoare annotation was computed. [2018-11-10 08:48:52,069 INFO L425 ceAbstractionStarter]: For program point L819(lines 819 870) no Hoare annotation was computed. [2018-11-10 08:48:52,070 INFO L425 ceAbstractionStarter]: For program point L621(lines 621 870) no Hoare annotation was computed. [2018-11-10 08:48:52,070 INFO L425 ceAbstractionStarter]: For program point L555(lines 555 870) no Hoare annotation was computed. [2018-11-10 08:48:52,070 INFO L425 ceAbstractionStarter]: For program point L159(lines 20 872) no Hoare annotation was computed. [2018-11-10 08:48:52,070 INFO L425 ceAbstractionStarter]: For program point L93(lines 20 872) no Hoare annotation was computed. [2018-11-10 08:48:52,070 INFO L425 ceAbstractionStarter]: For program point L27(lines 20 872) no Hoare annotation was computed. [2018-11-10 08:48:52,070 INFO L425 ceAbstractionStarter]: For program point L688(lines 688 870) no Hoare annotation was computed. [2018-11-10 08:48:52,070 INFO L425 ceAbstractionStarter]: For program point L490(lines 490 870) no Hoare annotation was computed. [2018-11-10 08:48:52,070 INFO L425 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-11-10 08:48:52,070 INFO L425 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-11-10 08:48:52,070 INFO L425 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-11-10 08:48:52,070 INFO L425 ceAbstractionStarter]: For program point L359(lines 359 870) no Hoare annotation was computed. [2018-11-10 08:48:52,070 INFO L425 ceAbstractionStarter]: For program point L293(lines 293 870) no Hoare annotation was computed. [2018-11-10 08:48:52,070 INFO L425 ceAbstractionStarter]: For program point L426(lines 426 870) no Hoare annotation was computed. [2018-11-10 08:48:52,070 INFO L425 ceAbstractionStarter]: For program point L162(lines 20 872) no Hoare annotation was computed. [2018-11-10 08:48:52,070 INFO L425 ceAbstractionStarter]: For program point L96(lines 20 872) no Hoare annotation was computed. [2018-11-10 08:48:52,070 INFO L425 ceAbstractionStarter]: For program point L30(lines 20 872) no Hoare annotation was computed. [2018-11-10 08:48:52,070 INFO L425 ceAbstractionStarter]: For program point L229(lines 229 870) no Hoare annotation was computed. [2018-11-10 08:48:52,071 INFO L425 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-11-10 08:48:52,071 INFO L425 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-11-10 08:48:52,071 INFO L425 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-11-10 08:48:52,071 INFO L425 ceAbstractionStarter]: For program point L758(lines 758 870) no Hoare annotation was computed. [2018-11-10 08:48:52,071 INFO L425 ceAbstractionStarter]: For program point L626(lines 626 870) no Hoare annotation was computed. [2018-11-10 08:48:52,071 INFO L425 ceAbstractionStarter]: For program point L825(lines 825 870) no Hoare annotation was computed. [2018-11-10 08:48:52,071 INFO L425 ceAbstractionStarter]: For program point L561(lines 561 870) no Hoare annotation was computed. [2018-11-10 08:48:52,071 INFO L425 ceAbstractionStarter]: For program point L495(lines 495 870) no Hoare annotation was computed. [2018-11-10 08:48:52,071 INFO L425 ceAbstractionStarter]: For program point L165(lines 20 872) no Hoare annotation was computed. [2018-11-10 08:48:52,071 INFO L425 ceAbstractionStarter]: For program point L99(lines 20 872) no Hoare annotation was computed. [2018-11-10 08:48:52,071 INFO L425 ceAbstractionStarter]: For program point L33(lines 20 872) no Hoare annotation was computed. [2018-11-10 08:48:52,071 INFO L425 ceAbstractionStarter]: For program point L694(lines 694 870) no Hoare annotation was computed. [2018-11-10 08:48:52,071 INFO L425 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-11-10 08:48:52,071 INFO L425 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-11-10 08:48:52,071 INFO L425 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-11-10 08:48:52,071 INFO L425 ceAbstractionStarter]: For program point L299(lines 299 870) no Hoare annotation was computed. [2018-11-10 08:48:52,071 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-10 08:48:52,072 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a21~0 7) (<= 7 ~a21~0) (= 1 ~a24~0) (= 8 ~a15~0) (<= (+ ~a12~0 49) 0)) [2018-11-10 08:48:52,072 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-10 08:48:52,072 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-10 08:48:52,072 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 874 890) the Hoare annotation is: (or (and (= ~a12~0 |old(~a12~0)|) (= ~a21~0 |old(~a21~0)|) (= 1 ~a24~0) (= 8 ~a15~0)) (< 0 (+ |old(~a12~0)| 49)) (not (= 8 |old(~a15~0)|)) (not (= 7 |old(~a21~0)|)) (not (= 1 |old(~a24~0)|))) [2018-11-10 08:48:52,072 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 874 890) no Hoare annotation was computed. [2018-11-10 08:48:52,072 INFO L421 ceAbstractionStarter]: At program point L888(line 888) the Hoare annotation is: (let ((.cse1 (= 7 ~a15~0)) (.cse5 (= 7 ~a21~0))) (let ((.cse19 (= 10 ~a21~0)) (.cse13 (not (= 1 |old(~a24~0)|))) (.cse23 (not .cse5)) (.cse4 (not .cse1))) (let ((.cse3 (<= ~a15~0 7)) (.cse26 (and .cse23 .cse4 (<= ~a15~0 8))) (.cse24 (not (= 6 ~a21~0))) (.cse27 (= ~a21~0 6)) (.cse28 (or (<= |old(~a12~0)| 11) (< 80 |old(~a12~0)|))) (.cse29 (or .cse13 (not (= |old(~a15~0)| 9)))) (.cse22 (not .cse19)) (.cse30 (< 80 ~a12~0))) (let ((.cse7 (<= (+ ~a12~0 43) 0)) (.cse18 (or (and .cse22 (not (= 9 ~a21~0))) .cse30)) (.cse16 (and .cse27 .cse4 .cse28 .cse29)) (.cse12 (<= ~a12~0 72)) (.cse2 (<= 19 ~a12~0)) (.cse6 (= 9 ~a15~0)) (.cse15 (or .cse30 (= ~a21~0 |old(~a21~0)|))) (.cse17 (and .cse22 .cse26 .cse28 .cse29 .cse24)) (.cse25 (= ~a21~0 8)) (.cse10 (= ~a21~0 10)) (.cse9 (= 5 ~a15~0)) (.cse21 (= 8 ~a15~0)) (.cse8 (= ~a24~0 |old(~a24~0)|)) (.cse11 (and .cse23 .cse3 .cse4)) (.cse20 (<= ~a12~0 11)) (.cse14 (= 8 ~a21~0)) (.cse0 (= 1 ~a24~0))) (or (and (and .cse0 .cse1) .cse2) (and .cse3 .cse4 (<= (+ ~a12~0 49) 0)) (and (and .cse5 .cse0) .cse6 .cse2) (< 0 (+ |old(~a12~0)| 49)) (and .cse7 .cse5 .cse1) (and .cse1 .cse8 (<= ~a21~0 6)) (and (and .cse8 .cse2) .cse9) (and (and .cse10 (and .cse11 .cse8)) (< 18 ~a12~0) .cse12) .cse13 (and (and .cse14 .cse0) .cse15 .cse6) (and (<= ~a12~0 95442) .cse6 (and (<= 95381 ~a12~0) (and .cse0 .cse16))) (not (= 8 |old(~a15~0)|)) (and .cse7 .cse0 (= ~a15~0 |old(~a15~0)|)) (and (and (and (<= ~a12~0 76) .cse17) .cse2) .cse0) (and (and .cse0 .cse18) .cse19 .cse6) (and (and (and .cse20 .cse10) .cse6) .cse8) (and (and .cse21 (and .cse19 .cse0)) .cse2) (and .cse22 .cse23 .cse1 .cse24) (= 6 ~a15~0) (and (and .cse18 (= ~a15~0 ~a21~0)) .cse0 .cse6) (and (<= 7 ~a21~0) .cse1 (<= (+ ~a12~0 546051) 0)) (and (<= 286349 ~a12~0) (and (and .cse16 .cse21) .cse0)) (and .cse5 (and .cse3 .cse4)) (and .cse0 (and (and (and .cse25 .cse12) .cse2) .cse6)) (and .cse0 .cse15 (and (<= ~a12~0 73282) (and .cse17 .cse25))) (< 7 |old(~a21~0)|) (and .cse0 (and .cse26 .cse20 .cse24)) (and (and .cse1 .cse10) .cse8) (and (and .cse0 .cse27) .cse9) (< |old(~a21~0)| 7) (and (and (and .cse5 .cse20) .cse21) .cse8) (and .cse22 .cse11 .cse24) (and .cse20 .cse14 .cse0 (= ~a15~0 9))))))) [2018-11-10 08:48:52,072 INFO L425 ceAbstractionStarter]: For program point L888-1(line 888) no Hoare annotation was computed. [2018-11-10 08:48:52,072 INFO L425 ceAbstractionStarter]: For program point L885(line 885) no Hoare annotation was computed. [2018-11-10 08:48:52,073 INFO L425 ceAbstractionStarter]: For program point L880-1(lines 880 889) no Hoare annotation was computed. [2018-11-10 08:48:52,073 INFO L421 ceAbstractionStarter]: At program point L880-3(lines 880 889) the Hoare annotation is: (let ((.cse1 (= 7 ~a15~0)) (.cse5 (= 7 ~a21~0))) (let ((.cse19 (= 10 ~a21~0)) (.cse13 (not (= 1 |old(~a24~0)|))) (.cse23 (not .cse5)) (.cse4 (not .cse1))) (let ((.cse3 (<= ~a15~0 7)) (.cse26 (and .cse23 .cse4 (<= ~a15~0 8))) (.cse24 (not (= 6 ~a21~0))) (.cse27 (= ~a21~0 6)) (.cse28 (or (<= |old(~a12~0)| 11) (< 80 |old(~a12~0)|))) (.cse29 (or .cse13 (not (= |old(~a15~0)| 9)))) (.cse22 (not .cse19)) (.cse30 (< 80 ~a12~0))) (let ((.cse7 (<= (+ ~a12~0 43) 0)) (.cse18 (or (and .cse22 (not (= 9 ~a21~0))) .cse30)) (.cse16 (and .cse27 .cse4 .cse28 .cse29)) (.cse12 (<= ~a12~0 72)) (.cse2 (<= 19 ~a12~0)) (.cse6 (= 9 ~a15~0)) (.cse15 (or .cse30 (= ~a21~0 |old(~a21~0)|))) (.cse17 (and .cse22 .cse26 .cse28 .cse29 .cse24)) (.cse25 (= ~a21~0 8)) (.cse10 (= ~a21~0 10)) (.cse9 (= 5 ~a15~0)) (.cse21 (= 8 ~a15~0)) (.cse8 (= ~a24~0 |old(~a24~0)|)) (.cse11 (and .cse23 .cse3 .cse4)) (.cse20 (<= ~a12~0 11)) (.cse14 (= 8 ~a21~0)) (.cse0 (= 1 ~a24~0))) (or (and (and .cse0 .cse1) .cse2) (and .cse3 .cse4 (<= (+ ~a12~0 49) 0)) (and (and .cse5 .cse0) .cse6 .cse2) (< 0 (+ |old(~a12~0)| 49)) (and .cse7 .cse5 .cse1) (and .cse1 .cse8 (<= ~a21~0 6)) (and (and .cse8 .cse2) .cse9) (and (and .cse10 (and .cse11 .cse8)) (< 18 ~a12~0) .cse12) .cse13 (and (and .cse14 .cse0) .cse15 .cse6) (and (<= ~a12~0 95442) .cse6 (and (<= 95381 ~a12~0) (and .cse0 .cse16))) (not (= 8 |old(~a15~0)|)) (and .cse7 .cse0 (= ~a15~0 |old(~a15~0)|)) (and (and (and (<= ~a12~0 76) .cse17) .cse2) .cse0) (and (and .cse0 .cse18) .cse19 .cse6) (and (and (and .cse20 .cse10) .cse6) .cse8) (and (and .cse21 (and .cse19 .cse0)) .cse2) (and .cse22 .cse23 .cse1 .cse24) (= 6 ~a15~0) (and (and .cse18 (= ~a15~0 ~a21~0)) .cse0 .cse6) (and (<= 7 ~a21~0) .cse1 (<= (+ ~a12~0 546051) 0)) (and (<= 286349 ~a12~0) (and (and .cse16 .cse21) .cse0)) (and .cse5 (and .cse3 .cse4)) (and .cse0 (and (and (and .cse25 .cse12) .cse2) .cse6)) (and .cse0 .cse15 (and (<= ~a12~0 73282) (and .cse17 .cse25))) (< 7 |old(~a21~0)|) (and .cse0 (and .cse26 .cse20 .cse24)) (and (and .cse1 .cse10) .cse8) (and (and .cse0 .cse27) .cse9) (< |old(~a21~0)| 7) (and (and (and .cse5 .cse20) .cse21) .cse8) (and .cse22 .cse11 .cse24) (and .cse20 .cse14 .cse0 (= ~a15~0 9))))))) [2018-11-10 08:48:52,073 INFO L425 ceAbstractionStarter]: For program point L880-4(lines 874 890) no Hoare annotation was computed. [2018-11-10 08:48:52,091 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 08:48:52 BoogieIcfgContainer [2018-11-10 08:48:52,091 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 08:48:52,091 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 08:48:52,092 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 08:48:52,092 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 08:48:52,092 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 08:45:43" (3/4) ... [2018-11-10 08:48:52,094 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 08:48:52,103 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-10 08:48:52,103 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-10 08:48:52,104 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-10 08:48:52,116 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-10 08:48:52,117 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-10 08:48:52,149 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((((((((((((((((((1 == a24 && 7 == a15) && 19 <= a12) || ((a15 <= 7 && !(7 == a15)) && a12 + 49 <= 0)) || (((7 == a21 && 1 == a24) && 9 == a15) && 19 <= a12)) || 0 < \old(a12) + 49) || ((a12 + 43 <= 0 && 7 == a21) && 7 == a15)) || ((7 == a15 && a24 == \old(a24)) && a21 <= 6)) || ((a24 == \old(a24) && 19 <= a12) && 5 == a15)) || (((a21 == 10 && ((!(7 == a21) && a15 <= 7) && !(7 == a15)) && a24 == \old(a24)) && 18 < a12) && a12 <= 72)) || !(1 == \old(a24))) || (((8 == a21 && 1 == a24) && (80 < a12 || a21 == \old(a21))) && 9 == a15)) || ((a12 <= 95442 && 9 == a15) && 95381 <= a12 && 1 == a24 && ((a21 == 6 && !(7 == a15)) && (\old(a12) <= 11 || 80 < \old(a12))) && (!(1 == \old(a24)) || !(\old(a15) == 9)))) || !(8 == \old(a15))) || ((a12 + 43 <= 0 && 1 == a24) && a15 == \old(a15))) || (((a12 <= 76 && (((!(10 == a21) && (!(7 == a21) && !(7 == a15)) && a15 <= 8) && (\old(a12) <= 11 || 80 < \old(a12))) && (!(1 == \old(a24)) || !(\old(a15) == 9))) && !(6 == a21)) && 19 <= a12) && 1 == a24)) || (((1 == a24 && ((!(10 == a21) && !(9 == a21)) || 80 < a12)) && 10 == a21) && 9 == a15)) || (((a12 <= 11 && a21 == 10) && 9 == a15) && a24 == \old(a24))) || ((8 == a15 && 10 == a21 && 1 == a24) && 19 <= a12)) || (((!(10 == a21) && !(7 == a21)) && 7 == a15) && !(6 == a21))) || 6 == a15) || (((((!(10 == a21) && !(9 == a21)) || 80 < a12) && a15 == a21) && 1 == a24) && 9 == a15)) || ((7 <= a21 && 7 == a15) && a12 + 546051 <= 0)) || (286349 <= a12 && ((((a21 == 6 && !(7 == a15)) && (\old(a12) <= 11 || 80 < \old(a12))) && (!(1 == \old(a24)) || !(\old(a15) == 9))) && 8 == a15) && 1 == a24)) || (7 == a21 && a15 <= 7 && !(7 == a15))) || (1 == a24 && ((a21 == 8 && a12 <= 72) && 19 <= a12) && 9 == a15)) || ((1 == a24 && (80 < a12 || a21 == \old(a21))) && a12 <= 73282 && ((((!(10 == a21) && (!(7 == a21) && !(7 == a15)) && a15 <= 8) && (\old(a12) <= 11 || 80 < \old(a12))) && (!(1 == \old(a24)) || !(\old(a15) == 9))) && !(6 == a21)) && a21 == 8)) || 7 < \old(a21)) || (1 == a24 && (((!(7 == a21) && !(7 == a15)) && a15 <= 8) && a12 <= 11) && !(6 == a21))) || ((7 == a15 && a21 == 10) && a24 == \old(a24))) || ((1 == a24 && a21 == 6) && 5 == a15)) || \old(a21) < 7) || (((7 == a21 && a12 <= 11) && 8 == a15) && a24 == \old(a24))) || ((!(10 == a21) && (!(7 == a21) && a15 <= 7) && !(7 == a15)) && !(6 == a21))) || (((a12 <= 11 && 8 == a21) && 1 == a24) && a15 == 9) [2018-11-10 08:48:52,227 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_48d131a8-8717-4e3e-a630-89595be46c66/bin-2019/uautomizer/witness.graphml [2018-11-10 08:48:52,227 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 08:48:52,228 INFO L168 Benchmark]: Toolchain (without parser) took 190712.66 ms. Allocated memory was 1.0 GB in the beginning and 4.7 GB in the end (delta: 3.7 GB). Free memory was 957.5 MB in the beginning and 3.3 GB in the end (delta: -2.3 GB). Peak memory consumption was 1.3 GB. Max. memory is 11.5 GB. [2018-11-10 08:48:52,229 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 08:48:52,229 INFO L168 Benchmark]: CACSL2BoogieTranslator took 388.80 ms. Allocated memory is still 1.0 GB. Free memory was 957.5 MB in the beginning and 914.6 MB in the end (delta: 43.0 MB). Peak memory consumption was 43.0 MB. Max. memory is 11.5 GB. [2018-11-10 08:48:52,229 INFO L168 Benchmark]: Boogie Preprocessor took 137.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.9 MB). Free memory was 914.6 MB in the beginning and 1.1 GB in the end (delta: -197.6 MB). Peak memory consumption was 19.9 MB. Max. memory is 11.5 GB. [2018-11-10 08:48:52,229 INFO L168 Benchmark]: RCFGBuilder took 1042.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 988.9 MB in the end (delta: 123.2 MB). Peak memory consumption was 123.2 MB. Max. memory is 11.5 GB. [2018-11-10 08:48:52,229 INFO L168 Benchmark]: TraceAbstraction took 189004.34 ms. Allocated memory was 1.2 GB in the beginning and 4.7 GB in the end (delta: 3.5 GB). Free memory was 988.9 MB in the beginning and 3.3 GB in the end (delta: -2.3 GB). Peak memory consumption was 4.1 GB. Max. memory is 11.5 GB. [2018-11-10 08:48:52,230 INFO L168 Benchmark]: Witness Printer took 135.89 ms. Allocated memory is still 4.7 GB. Free memory is still 3.3 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 08:48:52,231 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 388.80 ms. Allocated memory is still 1.0 GB. Free memory was 957.5 MB in the beginning and 914.6 MB in the end (delta: 43.0 MB). Peak memory consumption was 43.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 137.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.9 MB). Free memory was 914.6 MB in the beginning and 1.1 GB in the end (delta: -197.6 MB). Peak memory consumption was 19.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1042.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 988.9 MB in the end (delta: 123.2 MB). Peak memory consumption was 123.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 189004.34 ms. Allocated memory was 1.2 GB in the beginning and 4.7 GB in the end (delta: 3.5 GB). Free memory was 988.9 MB in the beginning and 3.3 GB in the end (delta: -2.3 GB). Peak memory consumption was 4.1 GB. Max. memory is 11.5 GB. * Witness Printer took 135.89 ms. Allocated memory is still 4.7 GB. Free memory is still 3.3 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 112]: 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 Derived loop invariant: (((((((((((((((((((((((((((((((((1 == a24 && 7 == a15) && 19 <= a12) || ((a15 <= 7 && !(7 == a15)) && a12 + 49 <= 0)) || (((7 == a21 && 1 == a24) && 9 == a15) && 19 <= a12)) || 0 < \old(a12) + 49) || ((a12 + 43 <= 0 && 7 == a21) && 7 == a15)) || ((7 == a15 && a24 == \old(a24)) && a21 <= 6)) || ((a24 == \old(a24) && 19 <= a12) && 5 == a15)) || (((a21 == 10 && ((!(7 == a21) && a15 <= 7) && !(7 == a15)) && a24 == \old(a24)) && 18 < a12) && a12 <= 72)) || !(1 == \old(a24))) || (((8 == a21 && 1 == a24) && (80 < a12 || a21 == \old(a21))) && 9 == a15)) || ((a12 <= 95442 && 9 == a15) && 95381 <= a12 && 1 == a24 && ((a21 == 6 && !(7 == a15)) && (\old(a12) <= 11 || 80 < \old(a12))) && (!(1 == \old(a24)) || !(\old(a15) == 9)))) || !(8 == \old(a15))) || ((a12 + 43 <= 0 && 1 == a24) && a15 == \old(a15))) || (((a12 <= 76 && (((!(10 == a21) && (!(7 == a21) && !(7 == a15)) && a15 <= 8) && (\old(a12) <= 11 || 80 < \old(a12))) && (!(1 == \old(a24)) || !(\old(a15) == 9))) && !(6 == a21)) && 19 <= a12) && 1 == a24)) || (((1 == a24 && ((!(10 == a21) && !(9 == a21)) || 80 < a12)) && 10 == a21) && 9 == a15)) || (((a12 <= 11 && a21 == 10) && 9 == a15) && a24 == \old(a24))) || ((8 == a15 && 10 == a21 && 1 == a24) && 19 <= a12)) || (((!(10 == a21) && !(7 == a21)) && 7 == a15) && !(6 == a21))) || 6 == a15) || (((((!(10 == a21) && !(9 == a21)) || 80 < a12) && a15 == a21) && 1 == a24) && 9 == a15)) || ((7 <= a21 && 7 == a15) && a12 + 546051 <= 0)) || (286349 <= a12 && ((((a21 == 6 && !(7 == a15)) && (\old(a12) <= 11 || 80 < \old(a12))) && (!(1 == \old(a24)) || !(\old(a15) == 9))) && 8 == a15) && 1 == a24)) || (7 == a21 && a15 <= 7 && !(7 == a15))) || (1 == a24 && ((a21 == 8 && a12 <= 72) && 19 <= a12) && 9 == a15)) || ((1 == a24 && (80 < a12 || a21 == \old(a21))) && a12 <= 73282 && ((((!(10 == a21) && (!(7 == a21) && !(7 == a15)) && a15 <= 8) && (\old(a12) <= 11 || 80 < \old(a12))) && (!(1 == \old(a24)) || !(\old(a15) == 9))) && !(6 == a21)) && a21 == 8)) || 7 < \old(a21)) || (1 == a24 && (((!(7 == a21) && !(7 == a15)) && a15 <= 8) && a12 <= 11) && !(6 == a21))) || ((7 == a15 && a21 == 10) && a24 == \old(a24))) || ((1 == a24 && a21 == 6) && 5 == a15)) || \old(a21) < 7) || (((7 == a21 && a12 <= 11) && 8 == a15) && a24 == \old(a24))) || ((!(10 == a21) && (!(7 == a21) && a15 <= 7) && !(7 == a15)) && !(6 == a21))) || (((a12 <= 11 && 8 == a21) && 1 == a24) && a15 == 9) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 255 locations, 1 error locations. SAFE Result, 188.9s OverallTime, 22 OverallIterations, 19 TraceHistogramMax, 103.2s AutomataDifference, 0.0s DeadEndRemovalTime, 32.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 2119 SDtfs, 98665 SDslu, 7974 SDs, 0 SdLazy, 126350 SolverSat, 13743 SolverUnsat, 3 SolverUnknown, 0 SolverNotchecked, 58.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22325 GetRequests, 21208 SyntacticMatches, 27 SemanticMatches, 1090 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35985 ImplicationChecksByTransitivity, 38.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9289occurred in iteration=10, 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, 22 MinimizatonAttempts, 13684 StatesRemovedByMinimization, 19 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 659 PreInvPairs, 931 NumberOfFragments, 1955 HoareAnnotationTreeSize, 659 FomulaSimplifications, 33590812156 FormulaSimplificationTreeSizeReduction, 8.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 5060188531 FormulaSimplificationTreeSizeReductionInter, 24.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.7s SsaConstructionTime, 2.6s SatisfiabilityAnalysisTime, 21.8s InterpolantComputationTime, 41781 NumberOfCodeBlocks, 41781 NumberOfCodeBlocksAsserted, 41 NumberOfCheckSat, 41740 ConstructedInterpolants, 2 QuantifiedInterpolants, 252048334 SizeOfPredicates, 27 NumberOfNonLiveVariables, 28723 ConjunctsInSsa, 211 ConjunctsInUnsatCore, 41 InterpolantComputations, 5 PerfectInterpolantSequences, 154717/194740 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...