./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label07_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_6f261cd1-1531-4a08-836d-777fa22274d9/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6f261cd1-1531-4a08-836d-777fa22274d9/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6f261cd1-1531-4a08-836d-777fa22274d9/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6f261cd1-1531-4a08-836d-777fa22274d9/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label07_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_6f261cd1-1531-4a08-836d-777fa22274d9/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6f261cd1-1531-4a08-836d-777fa22274d9/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 6f9a2fcb1012f2ff72c6593976c4936a90359f50 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 11:51:07,818 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 11:51:07,819 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 11:51:07,825 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 11:51:07,825 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 11:51:07,826 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 11:51:07,826 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 11:51:07,827 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 11:51:07,828 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 11:51:07,828 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 11:51:07,829 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 11:51:07,829 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 11:51:07,829 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 11:51:07,830 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 11:51:07,830 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 11:51:07,831 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 11:51:07,831 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 11:51:07,832 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 11:51:07,833 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 11:51:07,833 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 11:51:07,834 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 11:51:07,835 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 11:51:07,836 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 11:51:07,836 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 11:51:07,836 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 11:51:07,836 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 11:51:07,837 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 11:51:07,837 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 11:51:07,838 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 11:51:07,838 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 11:51:07,838 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 11:51:07,839 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 11:51:07,839 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 11:51:07,839 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 11:51:07,839 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 11:51:07,840 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 11:51:07,840 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6f261cd1-1531-4a08-836d-777fa22274d9/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-08 11:51:07,847 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 11:51:07,847 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 11:51:07,848 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 11:51:07,848 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 11:51:07,848 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 11:51:07,848 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 11:51:07,848 INFO L133 SettingsManager]: * Use SBE=true [2018-12-08 11:51:07,849 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 11:51:07,849 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 11:51:07,849 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 11:51:07,849 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 11:51:07,849 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 11:51:07,849 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 11:51:07,849 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 11:51:07,849 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 11:51:07,849 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 11:51:07,849 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 11:51:07,849 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 11:51:07,850 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 11:51:07,850 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 11:51:07,850 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 11:51:07,850 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 11:51:07,850 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 11:51:07,850 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 11:51:07,850 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 11:51:07,850 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 11:51:07,850 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 11:51:07,850 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-08 11:51:07,851 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 11:51:07,851 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 11:51:07,851 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_6f261cd1-1531-4a08-836d-777fa22274d9/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 -> 6f9a2fcb1012f2ff72c6593976c4936a90359f50 [2018-12-08 11:51:07,868 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 11:51:07,874 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 11:51:07,876 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 11:51:07,877 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 11:51:07,877 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 11:51:07,878 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6f261cd1-1531-4a08-836d-777fa22274d9/bin-2019/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem14_label07_true-unreach-call_false-termination.c [2018-12-08 11:51:07,912 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6f261cd1-1531-4a08-836d-777fa22274d9/bin-2019/uautomizer/data/489c3200d/d711e6fee2d14271995374ee7d55b66c/FLAG9d9e3bea0 [2018-12-08 11:51:08,399 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 11:51:08,399 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6f261cd1-1531-4a08-836d-777fa22274d9/sv-benchmarks/c/eca-rers2012/Problem14_label07_true-unreach-call_false-termination.c [2018-12-08 11:51:08,407 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6f261cd1-1531-4a08-836d-777fa22274d9/bin-2019/uautomizer/data/489c3200d/d711e6fee2d14271995374ee7d55b66c/FLAG9d9e3bea0 [2018-12-08 11:51:08,759 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6f261cd1-1531-4a08-836d-777fa22274d9/bin-2019/uautomizer/data/489c3200d/d711e6fee2d14271995374ee7d55b66c [2018-12-08 11:51:08,765 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 11:51:08,768 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 11:51:08,770 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 11:51:08,770 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 11:51:08,777 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 11:51:08,778 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 11:51:08" (1/1) ... [2018-12-08 11:51:08,783 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bf82b32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:51:08, skipping insertion in model container [2018-12-08 11:51:08,784 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 11:51:08" (1/1) ... [2018-12-08 11:51:08,798 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 11:51:08,875 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 11:51:09,092 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 11:51:09,095 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 11:51:09,207 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 11:51:09,216 INFO L195 MainTranslator]: Completed translation [2018-12-08 11:51:09,216 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:51:09 WrapperNode [2018-12-08 11:51:09,216 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 11:51:09,217 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 11:51:09,217 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 11:51:09,217 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 11:51:09,222 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:51:09" (1/1) ... [2018-12-08 11:51:09,232 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:51:09" (1/1) ... [2018-12-08 11:51:09,237 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 11:51:09,237 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 11:51:09,237 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 11:51:09,237 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 11:51:09,243 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:51:09" (1/1) ... [2018-12-08 11:51:09,244 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:51:09" (1/1) ... [2018-12-08 11:51:09,246 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:51:09" (1/1) ... [2018-12-08 11:51:09,246 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:51:09" (1/1) ... [2018-12-08 11:51:09,260 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:51:09" (1/1) ... [2018-12-08 11:51:09,267 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:51:09" (1/1) ... [2018-12-08 11:51:09,270 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:51:09" (1/1) ... [2018-12-08 11:51:09,274 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 11:51:09,275 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 11:51:09,275 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 11:51:09,275 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 11:51:09,275 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:51:09" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6f261cd1-1531-4a08-836d-777fa22274d9/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 [2018-12-08 11:51:09,308 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 11:51:09,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 11:51:09,308 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-08 11:51:09,309 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-08 11:51:09,309 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 11:51:09,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 11:51:09,309 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 11:51:09,309 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 11:51:10,033 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 11:51:10,033 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-08 11:51:10,033 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 11:51:10 BoogieIcfgContainer [2018-12-08 11:51:10,033 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 11:51:10,034 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 11:51:10,034 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 11:51:10,036 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 11:51:10,037 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 11:51:08" (1/3) ... [2018-12-08 11:51:10,037 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d7911b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 11:51:10, skipping insertion in model container [2018-12-08 11:51:10,037 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:51:09" (2/3) ... [2018-12-08 11:51:10,037 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d7911b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 11:51:10, skipping insertion in model container [2018-12-08 11:51:10,037 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 11:51:10" (3/3) ... [2018-12-08 11:51:10,039 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem14_label07_true-unreach-call_false-termination.c [2018-12-08 11:51:10,045 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 11:51:10,051 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 11:51:10,062 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 11:51:10,086 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-08 11:51:10,086 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 11:51:10,086 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 11:51:10,086 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 11:51:10,086 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 11:51:10,087 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 11:51:10,087 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 11:51:10,087 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 11:51:10,087 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 11:51:10,105 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states. [2018-12-08 11:51:10,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-08 11:51:10,111 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 11:51:10,112 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 11:51:10,113 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 11:51:10,116 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 11:51:10,117 INFO L82 PathProgramCache]: Analyzing trace with hash 844393866, now seen corresponding path program 1 times [2018-12-08 11:51:10,118 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 11:51:10,118 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 11:51:10,148 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:51:10,148 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 11:51:10,148 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:51:10,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:51:10,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 11:51:10,316 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 11:51:10,316 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-08 11:51:10,319 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-08 11:51:10,326 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-08 11:51:10,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-08 11:51:10,328 INFO L87 Difference]: Start difference. First operand 254 states. Second operand 4 states. [2018-12-08 11:51:11,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 11:51:11,189 INFO L93 Difference]: Finished difference Result 890 states and 1606 transitions. [2018-12-08 11:51:11,189 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-08 11:51:11,190 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 53 [2018-12-08 11:51:11,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 11:51:11,200 INFO L225 Difference]: With dead ends: 890 [2018-12-08 11:51:11,200 INFO L226 Difference]: Without dead ends: 554 [2018-12-08 11:51:11,204 INFO L631 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 [2018-12-08 11:51:11,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 554 states. [2018-12-08 11:51:11,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 554 to 372. [2018-12-08 11:51:11,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 372 states. [2018-12-08 11:51:11,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 524 transitions. [2018-12-08 11:51:11,250 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 524 transitions. Word has length 53 [2018-12-08 11:51:11,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 11:51:11,250 INFO L480 AbstractCegarLoop]: Abstraction has 372 states and 524 transitions. [2018-12-08 11:51:11,250 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-08 11:51:11,250 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 524 transitions. [2018-12-08 11:51:11,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-12-08 11:51:11,253 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 11:51:11,253 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 11:51:11,253 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 11:51:11,254 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 11:51:11,254 INFO L82 PathProgramCache]: Analyzing trace with hash -678591331, now seen corresponding path program 1 times [2018-12-08 11:51:11,254 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 11:51:11,254 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 11:51:11,255 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:51:11,255 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 11:51:11,255 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:51:11,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:51:11,333 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 11:51:11,333 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 11:51:11,333 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-08 11:51:11,334 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-08 11:51:11,335 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-08 11:51:11,335 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-08 11:51:11,335 INFO L87 Difference]: Start difference. First operand 372 states and 524 transitions. Second operand 4 states. [2018-12-08 11:51:11,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 11:51:11,932 INFO L93 Difference]: Finished difference Result 1466 states and 2090 transitions. [2018-12-08 11:51:11,933 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-08 11:51:11,933 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 136 [2018-12-08 11:51:11,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 11:51:11,937 INFO L225 Difference]: With dead ends: 1466 [2018-12-08 11:51:11,937 INFO L226 Difference]: Without dead ends: 736 [2018-12-08 11:51:11,939 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-08 11:51:11,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 736 states. [2018-12-08 11:51:11,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 736 to 554. [2018-12-08 11:51:11,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 554 states. [2018-12-08 11:51:11,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 554 states and 808 transitions. [2018-12-08 11:51:11,959 INFO L78 Accepts]: Start accepts. Automaton has 554 states and 808 transitions. Word has length 136 [2018-12-08 11:51:11,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 11:51:11,959 INFO L480 AbstractCegarLoop]: Abstraction has 554 states and 808 transitions. [2018-12-08 11:51:11,959 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-08 11:51:11,960 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 808 transitions. [2018-12-08 11:51:11,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2018-12-08 11:51:11,963 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 11:51:11,963 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 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] [2018-12-08 11:51:11,964 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 11:51:11,964 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 11:51:11,964 INFO L82 PathProgramCache]: Analyzing trace with hash 1936926174, now seen corresponding path program 1 times [2018-12-08 11:51:11,964 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 11:51:11,964 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 11:51:11,965 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:51:11,965 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 11:51:11,965 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:51:11,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:51:12,050 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-08 11:51:12,050 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 11:51:12,050 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-08 11:51:12,050 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-08 11:51:12,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-08 11:51:12,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-08 11:51:12,051 INFO L87 Difference]: Start difference. First operand 554 states and 808 transitions. Second operand 4 states. [2018-12-08 11:51:12,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 11:51:12,680 INFO L93 Difference]: Finished difference Result 2194 states and 3267 transitions. [2018-12-08 11:51:12,681 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-08 11:51:12,681 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 221 [2018-12-08 11:51:12,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 11:51:12,685 INFO L225 Difference]: With dead ends: 2194 [2018-12-08 11:51:12,685 INFO L226 Difference]: Without dead ends: 1646 [2018-12-08 11:51:12,687 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-08 11:51:12,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1646 states. [2018-12-08 11:51:12,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1646 to 1646. [2018-12-08 11:51:12,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1646 states. [2018-12-08 11:51:12,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1646 states to 1646 states and 2269 transitions. [2018-12-08 11:51:12,714 INFO L78 Accepts]: Start accepts. Automaton has 1646 states and 2269 transitions. Word has length 221 [2018-12-08 11:51:12,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 11:51:12,714 INFO L480 AbstractCegarLoop]: Abstraction has 1646 states and 2269 transitions. [2018-12-08 11:51:12,714 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-08 11:51:12,714 INFO L276 IsEmpty]: Start isEmpty. Operand 1646 states and 2269 transitions. [2018-12-08 11:51:12,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2018-12-08 11:51:12,719 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 11:51:12,719 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-08 11:51:12,719 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 11:51:12,719 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 11:51:12,719 INFO L82 PathProgramCache]: Analyzing trace with hash 1963321077, now seen corresponding path program 1 times [2018-12-08 11:51:12,719 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 11:51:12,719 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 11:51:12,720 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:51:12,720 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 11:51:12,720 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:51:12,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:51:12,936 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 92 proven. 108 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-08 11:51:12,937 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 11:51:12,937 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6f261cd1-1531-4a08-836d-777fa22274d9/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 [2018-12-08 11:51:12,944 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 11:51:13,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:51:13,014 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 11:51:13,164 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 157 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-12-08 11:51:13,180 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 11:51:13,181 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 10 [2018-12-08 11:51:13,182 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-08 11:51:13,182 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-08 11:51:13,182 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2018-12-08 11:51:13,182 INFO L87 Difference]: Start difference. First operand 1646 states and 2269 transitions. Second operand 10 states. [2018-12-08 11:51:14,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 11:51:14,900 INFO L93 Difference]: Finished difference Result 3790 states and 5590 transitions. [2018-12-08 11:51:14,900 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-12-08 11:51:14,900 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 316 [2018-12-08 11:51:14,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 11:51:14,912 INFO L225 Difference]: With dead ends: 3790 [2018-12-08 11:51:14,912 INFO L226 Difference]: Without dead ends: 2150 [2018-12-08 11:51:14,915 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 361 GetRequests, 332 SyntacticMatches, 2 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 162 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=182, Invalid=630, Unknown=0, NotChecked=0, Total=812 [2018-12-08 11:51:14,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2150 states. [2018-12-08 11:51:14,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2150 to 1510. [2018-12-08 11:51:14,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1510 states. [2018-12-08 11:51:14,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1510 states to 1510 states and 2023 transitions. [2018-12-08 11:51:14,972 INFO L78 Accepts]: Start accepts. Automaton has 1510 states and 2023 transitions. Word has length 316 [2018-12-08 11:51:14,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 11:51:14,972 INFO L480 AbstractCegarLoop]: Abstraction has 1510 states and 2023 transitions. [2018-12-08 11:51:14,972 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-08 11:51:14,972 INFO L276 IsEmpty]: Start isEmpty. Operand 1510 states and 2023 transitions. [2018-12-08 11:51:14,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 393 [2018-12-08 11:51:14,976 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 11:51:14,977 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 11:51:14,977 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 11:51:14,977 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 11:51:14,977 INFO L82 PathProgramCache]: Analyzing trace with hash -1749322399, now seen corresponding path program 1 times [2018-12-08 11:51:14,977 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 11:51:14,977 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 11:51:14,978 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:51:14,978 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 11:51:14,978 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:51:15,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:51:15,181 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 143 proven. 191 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-12-08 11:51:15,181 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 11:51:15,181 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6f261cd1-1531-4a08-836d-777fa22274d9/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 [2018-12-08 11:51:15,189 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 11:51:15,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:51:15,264 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 11:51:15,348 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 356 proven. 2 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-12-08 11:51:15,371 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-08 11:51:15,371 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2018-12-08 11:51:15,372 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-08 11:51:15,372 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-08 11:51:15,372 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2018-12-08 11:51:15,372 INFO L87 Difference]: Start difference. First operand 1510 states and 2023 transitions. Second operand 9 states. [2018-12-08 11:51:16,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 11:51:16,119 INFO L93 Difference]: Finished difference Result 3830 states and 5499 transitions. [2018-12-08 11:51:16,119 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 11:51:16,119 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 392 [2018-12-08 11:51:16,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 11:51:16,126 INFO L225 Difference]: With dead ends: 3830 [2018-12-08 11:51:16,127 INFO L226 Difference]: Without dead ends: 2326 [2018-12-08 11:51:16,129 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 408 GetRequests, 395 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2018-12-08 11:51:16,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2326 states. [2018-12-08 11:51:16,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2326 to 2270. [2018-12-08 11:51:16,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2270 states. [2018-12-08 11:51:16,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2270 states to 2270 states and 2953 transitions. [2018-12-08 11:51:16,175 INFO L78 Accepts]: Start accepts. Automaton has 2270 states and 2953 transitions. Word has length 392 [2018-12-08 11:51:16,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 11:51:16,175 INFO L480 AbstractCegarLoop]: Abstraction has 2270 states and 2953 transitions. [2018-12-08 11:51:16,175 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-08 11:51:16,175 INFO L276 IsEmpty]: Start isEmpty. Operand 2270 states and 2953 transitions. [2018-12-08 11:51:16,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2018-12-08 11:51:16,182 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 11:51:16,182 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 11:51:16,182 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 11:51:16,182 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 11:51:16,183 INFO L82 PathProgramCache]: Analyzing trace with hash -1345982802, now seen corresponding path program 1 times [2018-12-08 11:51:16,183 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 11:51:16,183 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 11:51:16,183 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:51:16,183 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 11:51:16,183 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:51:16,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:51:16,899 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 231 proven. 237 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 11:51:16,899 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 11:51:16,899 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6f261cd1-1531-4a08-836d-777fa22274d9/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 [2018-12-08 11:51:16,906 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 11:51:16,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:51:16,966 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 11:51:17,053 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 262 proven. 0 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2018-12-08 11:51:17,069 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 11:51:17,069 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [19] total 22 [2018-12-08 11:51:17,070 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-12-08 11:51:17,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-12-08 11:51:17,070 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=390, Unknown=0, NotChecked=0, Total=462 [2018-12-08 11:51:17,070 INFO L87 Difference]: Start difference. First operand 2270 states and 2953 transitions. Second operand 22 states. [2018-12-08 11:51:20,662 WARN L180 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 39 [2018-12-08 11:51:20,881 WARN L180 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 31 [2018-12-08 11:51:23,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 11:51:23,845 INFO L93 Difference]: Finished difference Result 6416 states and 9169 transitions. [2018-12-08 11:51:23,846 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2018-12-08 11:51:23,846 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 425 [2018-12-08 11:51:23,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 11:51:23,854 INFO L225 Difference]: With dead ends: 6416 [2018-12-08 11:51:23,854 INFO L226 Difference]: Without dead ends: 4152 [2018-12-08 11:51:23,858 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 518 GetRequests, 423 SyntacticMatches, 1 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2979 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=1497, Invalid=7623, Unknown=0, NotChecked=0, Total=9120 [2018-12-08 11:51:23,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4152 states. [2018-12-08 11:51:23,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4152 to 3770. [2018-12-08 11:51:23,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3770 states. [2018-12-08 11:51:23,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3770 states to 3770 states and 4743 transitions. [2018-12-08 11:51:23,920 INFO L78 Accepts]: Start accepts. Automaton has 3770 states and 4743 transitions. Word has length 425 [2018-12-08 11:51:23,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 11:51:23,920 INFO L480 AbstractCegarLoop]: Abstraction has 3770 states and 4743 transitions. [2018-12-08 11:51:23,921 INFO L481 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-12-08 11:51:23,921 INFO L276 IsEmpty]: Start isEmpty. Operand 3770 states and 4743 transitions. [2018-12-08 11:51:23,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 680 [2018-12-08 11:51:23,928 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 11:51:23,928 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 11:51:23,929 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 11:51:23,929 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 11:51:23,929 INFO L82 PathProgramCache]: Analyzing trace with hash -1034685810, now seen corresponding path program 1 times [2018-12-08 11:51:23,929 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 11:51:23,929 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 11:51:23,929 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:51:23,929 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 11:51:23,929 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:51:23,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:51:24,671 INFO L134 CoverageAnalysis]: Checked inductivity of 1215 backedges. 324 proven. 570 refuted. 0 times theorem prover too weak. 321 trivial. 0 not checked. [2018-12-08 11:51:24,672 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 11:51:24,672 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6f261cd1-1531-4a08-836d-777fa22274d9/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 [2018-12-08 11:51:24,678 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 11:51:24,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:51:24,755 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 11:51:25,071 INFO L134 CoverageAnalysis]: Checked inductivity of 1215 backedges. 959 proven. 2 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2018-12-08 11:51:25,086 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-08 11:51:25,086 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 6] total 17 [2018-12-08 11:51:25,087 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-12-08 11:51:25,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-12-08 11:51:25,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=218, Unknown=0, NotChecked=0, Total=272 [2018-12-08 11:51:25,087 INFO L87 Difference]: Start difference. First operand 3770 states and 4743 transitions. Second operand 17 states. [2018-12-08 11:51:28,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 11:51:28,560 INFO L93 Difference]: Finished difference Result 8641 states and 11035 transitions. [2018-12-08 11:51:28,560 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2018-12-08 11:51:28,560 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 679 [2018-12-08 11:51:28,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 11:51:28,568 INFO L225 Difference]: With dead ends: 8641 [2018-12-08 11:51:28,568 INFO L226 Difference]: Without dead ends: 4928 [2018-12-08 11:51:28,573 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 758 GetRequests, 704 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 905 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=550, Invalid=2530, Unknown=0, NotChecked=0, Total=3080 [2018-12-08 11:51:28,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4928 states. [2018-12-08 11:51:28,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4928 to 4692. [2018-12-08 11:51:28,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4692 states. [2018-12-08 11:51:28,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4692 states to 4692 states and 5419 transitions. [2018-12-08 11:51:28,628 INFO L78 Accepts]: Start accepts. Automaton has 4692 states and 5419 transitions. Word has length 679 [2018-12-08 11:51:28,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 11:51:28,628 INFO L480 AbstractCegarLoop]: Abstraction has 4692 states and 5419 transitions. [2018-12-08 11:51:28,628 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-12-08 11:51:28,628 INFO L276 IsEmpty]: Start isEmpty. Operand 4692 states and 5419 transitions. [2018-12-08 11:51:28,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 799 [2018-12-08 11:51:28,635 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 11:51:28,635 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 11:51:28,635 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 11:51:28,635 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 11:51:28,635 INFO L82 PathProgramCache]: Analyzing trace with hash 2003215569, now seen corresponding path program 1 times [2018-12-08 11:51:28,635 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 11:51:28,635 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 11:51:28,636 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:51:28,636 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 11:51:28,636 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:51:28,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:51:29,039 INFO L134 CoverageAnalysis]: Checked inductivity of 1822 backedges. 640 proven. 228 refuted. 0 times theorem prover too weak. 954 trivial. 0 not checked. [2018-12-08 11:51:29,039 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 11:51:29,039 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6f261cd1-1531-4a08-836d-777fa22274d9/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 [2018-12-08 11:51:29,045 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 11:51:29,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:51:29,131 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 11:51:29,330 INFO L134 CoverageAnalysis]: Checked inductivity of 1822 backedges. 1325 proven. 2 refuted. 0 times theorem prover too weak. 495 trivial. 0 not checked. [2018-12-08 11:51:29,346 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-08 11:51:29,346 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 7 [2018-12-08 11:51:29,347 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 11:51:29,347 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 11:51:29,347 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-12-08 11:51:29,347 INFO L87 Difference]: Start difference. First operand 4692 states and 5419 transitions. Second operand 7 states. [2018-12-08 11:51:30,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 11:51:30,382 INFO L93 Difference]: Finished difference Result 11492 states and 14477 transitions. [2018-12-08 11:51:30,382 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-12-08 11:51:30,382 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 798 [2018-12-08 11:51:30,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 11:51:30,397 INFO L225 Difference]: With dead ends: 11492 [2018-12-08 11:51:30,397 INFO L226 Difference]: Without dead ends: 6988 [2018-12-08 11:51:30,403 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 814 GetRequests, 803 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2018-12-08 11:51:30,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6988 states. [2018-12-08 11:51:30,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6988 to 6756. [2018-12-08 11:51:30,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6756 states. [2018-12-08 11:51:30,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6756 states to 6756 states and 7848 transitions. [2018-12-08 11:51:30,501 INFO L78 Accepts]: Start accepts. Automaton has 6756 states and 7848 transitions. Word has length 798 [2018-12-08 11:51:30,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 11:51:30,502 INFO L480 AbstractCegarLoop]: Abstraction has 6756 states and 7848 transitions. [2018-12-08 11:51:30,502 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 11:51:30,502 INFO L276 IsEmpty]: Start isEmpty. Operand 6756 states and 7848 transitions. [2018-12-08 11:51:30,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 859 [2018-12-08 11:51:30,509 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 11:51:30,510 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 11:51:30,510 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 11:51:30,510 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 11:51:30,510 INFO L82 PathProgramCache]: Analyzing trace with hash 2102422553, now seen corresponding path program 1 times [2018-12-08 11:51:30,510 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 11:51:30,510 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 11:51:30,511 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:51:30,511 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 11:51:30,511 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:51:30,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:51:31,085 INFO L134 CoverageAnalysis]: Checked inductivity of 1916 backedges. 520 proven. 403 refuted. 0 times theorem prover too weak. 993 trivial. 0 not checked. [2018-12-08 11:51:31,085 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 11:51:31,085 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6f261cd1-1531-4a08-836d-777fa22274d9/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 [2018-12-08 11:51:31,091 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 11:51:31,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:51:31,178 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 11:51:31,371 INFO L134 CoverageAnalysis]: Checked inductivity of 1916 backedges. 1358 proven. 2 refuted. 0 times theorem prover too weak. 556 trivial. 0 not checked. [2018-12-08 11:51:31,386 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-08 11:51:31,386 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 7 [2018-12-08 11:51:31,386 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 11:51:31,386 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 11:51:31,386 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-12-08 11:51:31,387 INFO L87 Difference]: Start difference. First operand 6756 states and 7848 transitions. Second operand 7 states. [2018-12-08 11:51:32,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 11:51:32,076 INFO L93 Difference]: Finished difference Result 13324 states and 15508 transitions. [2018-12-08 11:51:32,076 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-08 11:51:32,076 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 858 [2018-12-08 11:51:32,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 11:51:32,086 INFO L225 Difference]: With dead ends: 13324 [2018-12-08 11:51:32,086 INFO L226 Difference]: Without dead ends: 6756 [2018-12-08 11:51:32,092 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 876 GetRequests, 862 SyntacticMatches, 5 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2018-12-08 11:51:32,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6756 states. [2018-12-08 11:51:32,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6756 to 6572. [2018-12-08 11:51:32,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6572 states. [2018-12-08 11:51:32,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6572 states to 6572 states and 7408 transitions. [2018-12-08 11:51:32,164 INFO L78 Accepts]: Start accepts. Automaton has 6572 states and 7408 transitions. Word has length 858 [2018-12-08 11:51:32,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 11:51:32,165 INFO L480 AbstractCegarLoop]: Abstraction has 6572 states and 7408 transitions. [2018-12-08 11:51:32,165 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 11:51:32,165 INFO L276 IsEmpty]: Start isEmpty. Operand 6572 states and 7408 transitions. [2018-12-08 11:51:32,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 958 [2018-12-08 11:51:32,173 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 11:51:32,173 INFO L402 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 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, 5, 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, 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] [2018-12-08 11:51:32,174 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 11:51:32,174 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 11:51:32,174 INFO L82 PathProgramCache]: Analyzing trace with hash 269621054, now seen corresponding path program 1 times [2018-12-08 11:51:32,174 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 11:51:32,174 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 11:51:32,175 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:51:32,175 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 11:51:32,175 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:51:32,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:51:32,642 INFO L134 CoverageAnalysis]: Checked inductivity of 2593 backedges. 856 proven. 228 refuted. 0 times theorem prover too weak. 1509 trivial. 0 not checked. [2018-12-08 11:51:32,642 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 11:51:32,642 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6f261cd1-1531-4a08-836d-777fa22274d9/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 [2018-12-08 11:51:32,648 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 11:51:32,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:51:32,746 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 11:51:32,982 INFO L134 CoverageAnalysis]: Checked inductivity of 2593 backedges. 1763 proven. 2 refuted. 0 times theorem prover too weak. 828 trivial. 0 not checked. [2018-12-08 11:51:32,997 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-08 11:51:32,997 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 7 [2018-12-08 11:51:32,998 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 11:51:32,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 11:51:32,998 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-12-08 11:51:32,998 INFO L87 Difference]: Start difference. First operand 6572 states and 7408 transitions. Second operand 7 states. [2018-12-08 11:51:33,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 11:51:33,606 INFO L93 Difference]: Finished difference Result 13116 states and 14885 transitions. [2018-12-08 11:51:33,606 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-08 11:51:33,606 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 957 [2018-12-08 11:51:33,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 11:51:33,615 INFO L225 Difference]: With dead ends: 13116 [2018-12-08 11:51:33,615 INFO L226 Difference]: Without dead ends: 6732 [2018-12-08 11:51:33,621 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 973 GetRequests, 962 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2018-12-08 11:51:33,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6732 states. [2018-12-08 11:51:33,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6732 to 6536. [2018-12-08 11:51:33,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6536 states. [2018-12-08 11:51:33,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6536 states to 6536 states and 7380 transitions. [2018-12-08 11:51:33,688 INFO L78 Accepts]: Start accepts. Automaton has 6536 states and 7380 transitions. Word has length 957 [2018-12-08 11:51:33,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 11:51:33,689 INFO L480 AbstractCegarLoop]: Abstraction has 6536 states and 7380 transitions. [2018-12-08 11:51:33,689 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 11:51:33,689 INFO L276 IsEmpty]: Start isEmpty. Operand 6536 states and 7380 transitions. [2018-12-08 11:51:33,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1133 [2018-12-08 11:51:33,698 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 11:51:33,698 INFO L402 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 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, 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, 5, 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, 2, 2, 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] [2018-12-08 11:51:33,698 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 11:51:33,698 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 11:51:33,698 INFO L82 PathProgramCache]: Analyzing trace with hash 642765001, now seen corresponding path program 1 times [2018-12-08 11:51:33,698 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 11:51:33,698 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 11:51:33,699 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:51:33,699 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 11:51:33,699 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:51:33,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:51:34,235 INFO L134 CoverageAnalysis]: Checked inductivity of 3876 backedges. 1598 proven. 230 refuted. 0 times theorem prover too weak. 2048 trivial. 0 not checked. [2018-12-08 11:51:34,235 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 11:51:34,235 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6f261cd1-1531-4a08-836d-777fa22274d9/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 [2018-12-08 11:51:34,242 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 11:51:34,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:51:34,362 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 11:51:34,726 INFO L134 CoverageAnalysis]: Checked inductivity of 3876 backedges. 2397 proven. 6 refuted. 0 times theorem prover too weak. 1473 trivial. 0 not checked. [2018-12-08 11:51:34,742 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-08 11:51:34,743 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2018-12-08 11:51:34,743 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-08 11:51:34,743 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-08 11:51:34,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2018-12-08 11:51:34,744 INFO L87 Difference]: Start difference. First operand 6536 states and 7380 transitions. Second operand 9 states. [2018-12-08 11:51:35,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 11:51:35,908 INFO L93 Difference]: Finished difference Result 14734 states and 16701 transitions. [2018-12-08 11:51:35,908 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-12-08 11:51:35,909 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1132 [2018-12-08 11:51:35,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 11:51:35,919 INFO L225 Difference]: With dead ends: 14734 [2018-12-08 11:51:35,919 INFO L226 Difference]: Without dead ends: 8386 [2018-12-08 11:51:35,925 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1149 GetRequests, 1136 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2018-12-08 11:51:35,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8386 states. [2018-12-08 11:51:36,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8386 to 8010. [2018-12-08 11:51:36,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8010 states. [2018-12-08 11:51:36,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8010 states to 8010 states and 9046 transitions. [2018-12-08 11:51:36,009 INFO L78 Accepts]: Start accepts. Automaton has 8010 states and 9046 transitions. Word has length 1132 [2018-12-08 11:51:36,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 11:51:36,010 INFO L480 AbstractCegarLoop]: Abstraction has 8010 states and 9046 transitions. [2018-12-08 11:51:36,010 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-08 11:51:36,010 INFO L276 IsEmpty]: Start isEmpty. Operand 8010 states and 9046 transitions. [2018-12-08 11:51:36,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1284 [2018-12-08 11:51:36,019 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 11:51:36,020 INFO L402 BasicCegarLoop]: trace histogram [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, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 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, 10, 10, 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, 5, 5, 5, 5, 5, 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, 2, 2, 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] [2018-12-08 11:51:36,020 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 11:51:36,020 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 11:51:36,020 INFO L82 PathProgramCache]: Analyzing trace with hash -1227148822, now seen corresponding path program 1 times [2018-12-08 11:51:36,020 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 11:51:36,020 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 11:51:36,021 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:51:36,021 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 11:51:36,021 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:51:36,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:51:37,468 INFO L134 CoverageAnalysis]: Checked inductivity of 5076 backedges. 1326 proven. 937 refuted. 0 times theorem prover too weak. 2813 trivial. 0 not checked. [2018-12-08 11:51:37,468 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 11:51:37,468 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6f261cd1-1531-4a08-836d-777fa22274d9/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 [2018-12-08 11:51:37,475 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 11:51:37,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:51:37,604 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 11:51:38,158 INFO L134 CoverageAnalysis]: Checked inductivity of 5076 backedges. 2281 proven. 2 refuted. 0 times theorem prover too weak. 2793 trivial. 0 not checked. [2018-12-08 11:51:38,173 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-08 11:51:38,174 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 5] total 17 [2018-12-08 11:51:38,174 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-12-08 11:51:38,174 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-12-08 11:51:38,174 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=228, Unknown=0, NotChecked=0, Total=272 [2018-12-08 11:51:38,175 INFO L87 Difference]: Start difference. First operand 8010 states and 9046 transitions. Second operand 17 states. [2018-12-08 11:51:40,731 WARN L180 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 47 [2018-12-08 11:51:40,932 WARN L180 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 49 [2018-12-08 11:51:41,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 11:51:41,123 INFO L93 Difference]: Finished difference Result 15890 states and 17986 transitions. [2018-12-08 11:51:41,123 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2018-12-08 11:51:41,123 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 1283 [2018-12-08 11:51:41,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 11:51:41,136 INFO L225 Difference]: With dead ends: 15890 [2018-12-08 11:51:41,136 INFO L226 Difference]: Without dead ends: 8068 [2018-12-08 11:51:41,143 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1357 GetRequests, 1306 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 694 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=552, Invalid=2204, Unknown=0, NotChecked=0, Total=2756 [2018-12-08 11:51:41,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8068 states. [2018-12-08 11:51:41,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8068 to 8006. [2018-12-08 11:51:41,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8006 states. [2018-12-08 11:51:41,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8006 states to 8006 states and 8984 transitions. [2018-12-08 11:51:41,227 INFO L78 Accepts]: Start accepts. Automaton has 8006 states and 8984 transitions. Word has length 1283 [2018-12-08 11:51:41,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 11:51:41,227 INFO L480 AbstractCegarLoop]: Abstraction has 8006 states and 8984 transitions. [2018-12-08 11:51:41,228 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-12-08 11:51:41,228 INFO L276 IsEmpty]: Start isEmpty. Operand 8006 states and 8984 transitions. [2018-12-08 11:51:41,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1488 [2018-12-08 11:51:41,241 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 11:51:41,241 INFO L402 BasicCegarLoop]: trace histogram [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, 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, 11, 11, 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, 8, 7, 7, 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, 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, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 11:51:41,241 INFO L423 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 11:51:41,241 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 11:51:41,242 INFO L82 PathProgramCache]: Analyzing trace with hash 2134731010, now seen corresponding path program 1 times [2018-12-08 11:51:41,242 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 11:51:41,242 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 11:51:41,242 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:51:41,243 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 11:51:41,243 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:51:41,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:51:43,385 INFO L134 CoverageAnalysis]: Checked inductivity of 6440 backedges. 1181 proven. 3191 refuted. 0 times theorem prover too weak. 2068 trivial. 0 not checked. [2018-12-08 11:51:43,385 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 11:51:43,385 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6f261cd1-1531-4a08-836d-777fa22274d9/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 [2018-12-08 11:51:43,391 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 11:51:43,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:51:43,539 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 11:51:44,112 INFO L134 CoverageAnalysis]: Checked inductivity of 6440 backedges. 3902 proven. 2 refuted. 0 times theorem prover too weak. 2536 trivial. 0 not checked. [2018-12-08 11:51:44,128 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-08 11:51:44,128 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 5] total 19 [2018-12-08 11:51:44,129 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-12-08 11:51:44,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-12-08 11:51:44,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=275, Unknown=0, NotChecked=0, Total=342 [2018-12-08 11:51:44,129 INFO L87 Difference]: Start difference. First operand 8006 states and 8984 transitions. Second operand 19 states. [2018-12-08 11:51:47,868 WARN L180 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 28 [2018-12-08 11:51:48,171 WARN L180 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 39 [2018-12-08 11:51:48,343 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 27 [2018-12-08 11:51:48,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 11:51:48,965 INFO L93 Difference]: Finished difference Result 16084 states and 19274 transitions. [2018-12-08 11:51:48,965 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2018-12-08 11:51:48,965 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 1487 [2018-12-08 11:51:48,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 11:51:48,980 INFO L225 Difference]: With dead ends: 16084 [2018-12-08 11:51:48,980 INFO L226 Difference]: Without dead ends: 8266 [2018-12-08 11:51:48,989 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1584 GetRequests, 1520 SyntacticMatches, 2 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1095 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=849, Invalid=3183, Unknown=0, NotChecked=0, Total=4032 [2018-12-08 11:51:48,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8266 states. [2018-12-08 11:51:49,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8266 to 7826. [2018-12-08 11:51:49,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7826 states. [2018-12-08 11:51:49,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7826 states to 7826 states and 8623 transitions. [2018-12-08 11:51:49,122 INFO L78 Accepts]: Start accepts. Automaton has 7826 states and 8623 transitions. Word has length 1487 [2018-12-08 11:51:49,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 11:51:49,123 INFO L480 AbstractCegarLoop]: Abstraction has 7826 states and 8623 transitions. [2018-12-08 11:51:49,123 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-12-08 11:51:49,123 INFO L276 IsEmpty]: Start isEmpty. Operand 7826 states and 8623 transitions. [2018-12-08 11:51:49,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1606 [2018-12-08 11:51:49,135 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 11:51:49,136 INFO L402 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, 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, 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, 7, 7, 7, 7, 7, 6, 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, 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, 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] [2018-12-08 11:51:49,136 INFO L423 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 11:51:49,136 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 11:51:49,136 INFO L82 PathProgramCache]: Analyzing trace with hash 888570278, now seen corresponding path program 1 times [2018-12-08 11:51:49,136 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 11:51:49,136 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 11:51:49,137 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:51:49,137 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 11:51:49,137 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:51:49,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:51:50,896 INFO L134 CoverageAnalysis]: Checked inductivity of 7681 backedges. 1656 proven. 1159 refuted. 0 times theorem prover too weak. 4866 trivial. 0 not checked. [2018-12-08 11:51:50,897 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 11:51:50,897 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6f261cd1-1531-4a08-836d-777fa22274d9/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 [2018-12-08 11:51:50,902 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 11:51:51,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:51:51,074 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 11:51:51,774 INFO L134 CoverageAnalysis]: Checked inductivity of 7681 backedges. 2894 proven. 2 refuted. 0 times theorem prover too weak. 4785 trivial. 0 not checked. [2018-12-08 11:51:51,791 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-08 11:51:51,791 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 5] total 17 [2018-12-08 11:51:51,792 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-12-08 11:51:51,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-12-08 11:51:51,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2018-12-08 11:51:51,792 INFO L87 Difference]: Start difference. First operand 7826 states and 8623 transitions. Second operand 17 states. [2018-12-08 11:51:54,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 11:51:54,845 INFO L93 Difference]: Finished difference Result 15478 states and 17074 transitions. [2018-12-08 11:51:54,845 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2018-12-08 11:51:54,845 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 1605 [2018-12-08 11:51:54,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 11:51:54,854 INFO L225 Difference]: With dead ends: 15478 [2018-12-08 11:51:54,854 INFO L226 Difference]: Without dead ends: 7840 [2018-12-08 11:51:54,860 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1677 GetRequests, 1628 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 602 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=478, Invalid=2072, Unknown=0, NotChecked=0, Total=2550 [2018-12-08 11:51:54,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7840 states. [2018-12-08 11:51:54,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7840 to 7822. [2018-12-08 11:51:54,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7822 states. [2018-12-08 11:51:54,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7822 states to 7822 states and 8570 transitions. [2018-12-08 11:51:54,942 INFO L78 Accepts]: Start accepts. Automaton has 7822 states and 8570 transitions. Word has length 1605 [2018-12-08 11:51:54,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 11:51:54,943 INFO L480 AbstractCegarLoop]: Abstraction has 7822 states and 8570 transitions. [2018-12-08 11:51:54,943 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-12-08 11:51:54,943 INFO L276 IsEmpty]: Start isEmpty. Operand 7822 states and 8570 transitions. [2018-12-08 11:51:54,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1823 [2018-12-08 11:51:54,958 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 11:51:54,958 INFO L402 BasicCegarLoop]: trace histogram [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, 15, 15, 15, 15, 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, 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, 9, 9, 8, 7, 7, 7, 7, 6, 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, 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, 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] [2018-12-08 11:51:54,959 INFO L423 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 11:51:54,959 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 11:51:54,959 INFO L82 PathProgramCache]: Analyzing trace with hash 1822319605, now seen corresponding path program 1 times [2018-12-08 11:51:54,959 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 11:51:54,959 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 11:51:54,959 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:51:54,959 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 11:51:54,960 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:51:55,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:51:57,270 INFO L134 CoverageAnalysis]: Checked inductivity of 10353 backedges. 2004 proven. 2489 refuted. 0 times theorem prover too weak. 5860 trivial. 0 not checked. [2018-12-08 11:51:57,271 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 11:51:57,271 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6f261cd1-1531-4a08-836d-777fa22274d9/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 [2018-12-08 11:51:57,276 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 11:51:57,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:51:57,450 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 11:51:58,271 INFO L134 CoverageAnalysis]: Checked inductivity of 10353 backedges. 4409 proven. 6 refuted. 0 times theorem prover too weak. 5938 trivial. 0 not checked. [2018-12-08 11:51:58,286 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-08 11:51:58,287 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 5] total 16 [2018-12-08 11:51:58,288 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-12-08 11:51:58,288 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-12-08 11:51:58,288 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2018-12-08 11:51:58,288 INFO L87 Difference]: Start difference. First operand 7822 states and 8570 transitions. Second operand 16 states. [2018-12-08 11:52:00,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 11:52:00,815 INFO L93 Difference]: Finished difference Result 15699 states and 17541 transitions. [2018-12-08 11:52:00,815 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2018-12-08 11:52:00,815 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 1822 [2018-12-08 11:52:00,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 11:52:00,824 INFO L225 Difference]: With dead ends: 15699 [2018-12-08 11:52:00,824 INFO L226 Difference]: Without dead ends: 8001 [2018-12-08 11:52:00,828 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1908 GetRequests, 1860 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 649 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=479, Invalid=1971, Unknown=0, NotChecked=0, Total=2450 [2018-12-08 11:52:00,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8001 states. [2018-12-08 11:52:00,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8001 to 7626. [2018-12-08 11:52:00,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7626 states. [2018-12-08 11:52:00,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7626 states to 7626 states and 8260 transitions. [2018-12-08 11:52:00,911 INFO L78 Accepts]: Start accepts. Automaton has 7626 states and 8260 transitions. Word has length 1822 [2018-12-08 11:52:00,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 11:52:00,912 INFO L480 AbstractCegarLoop]: Abstraction has 7626 states and 8260 transitions. [2018-12-08 11:52:00,912 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-12-08 11:52:00,912 INFO L276 IsEmpty]: Start isEmpty. Operand 7626 states and 8260 transitions. [2018-12-08 11:52:00,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1863 [2018-12-08 11:52:00,927 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 11:52:00,928 INFO L402 BasicCegarLoop]: trace histogram [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, 15, 15, 15, 15, 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, 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, 8, 8, 8, 8, 8, 8, 7, 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, 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] [2018-12-08 11:52:00,928 INFO L423 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 11:52:00,928 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 11:52:00,928 INFO L82 PathProgramCache]: Analyzing trace with hash -540237935, now seen corresponding path program 1 times [2018-12-08 11:52:00,928 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 11:52:00,928 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 11:52:00,929 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:52:00,929 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 11:52:00,929 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:52:00,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:52:02,168 INFO L134 CoverageAnalysis]: Checked inductivity of 10338 backedges. 2136 proven. 501 refuted. 0 times theorem prover too weak. 7701 trivial. 0 not checked. [2018-12-08 11:52:02,168 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 11:52:02,168 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6f261cd1-1531-4a08-836d-777fa22274d9/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 [2018-12-08 11:52:02,178 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 11:52:02,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:52:02,355 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 11:52:03,135 INFO L134 CoverageAnalysis]: Checked inductivity of 10338 backedges. 4386 proven. 2 refuted. 0 times theorem prover too weak. 5950 trivial. 0 not checked. [2018-12-08 11:52:03,151 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-08 11:52:03,151 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 11 [2018-12-08 11:52:03,152 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-08 11:52:03,152 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-08 11:52:03,152 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2018-12-08 11:52:03,153 INFO L87 Difference]: Start difference. First operand 7626 states and 8260 transitions. Second operand 11 states. [2018-12-08 11:52:04,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 11:52:04,639 INFO L93 Difference]: Finished difference Result 15628 states and 16974 transitions. [2018-12-08 11:52:04,639 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-12-08 11:52:04,640 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 1862 [2018-12-08 11:52:04,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 11:52:04,645 INFO L225 Difference]: With dead ends: 15628 [2018-12-08 11:52:04,645 INFO L226 Difference]: Without dead ends: 4624 [2018-12-08 11:52:04,651 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1904 GetRequests, 1875 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 192 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=224, Invalid=646, Unknown=0, NotChecked=0, Total=870 [2018-12-08 11:52:04,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4624 states. [2018-12-08 11:52:04,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4624 to 4074. [2018-12-08 11:52:04,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4074 states. [2018-12-08 11:52:04,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4074 states to 4074 states and 4178 transitions. [2018-12-08 11:52:04,696 INFO L78 Accepts]: Start accepts. Automaton has 4074 states and 4178 transitions. Word has length 1862 [2018-12-08 11:52:04,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 11:52:04,697 INFO L480 AbstractCegarLoop]: Abstraction has 4074 states and 4178 transitions. [2018-12-08 11:52:04,697 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-08 11:52:04,697 INFO L276 IsEmpty]: Start isEmpty. Operand 4074 states and 4178 transitions. [2018-12-08 11:52:04,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1938 [2018-12-08 11:52:04,711 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 11:52:04,711 INFO L402 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 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, 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, 11, 10, 10, 10, 9, 9, 9, 9, 8, 7, 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, 3, 3, 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, 1, 1] [2018-12-08 11:52:04,711 INFO L423 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 11:52:04,712 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 11:52:04,712 INFO L82 PathProgramCache]: Analyzing trace with hash -2043261290, now seen corresponding path program 1 times [2018-12-08 11:52:04,712 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 11:52:04,712 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 11:52:04,712 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:52:04,712 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 11:52:04,712 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:52:04,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:52:05,814 INFO L134 CoverageAnalysis]: Checked inductivity of 11762 backedges. 732 proven. 0 refuted. 0 times theorem prover too weak. 11030 trivial. 0 not checked. [2018-12-08 11:52:05,814 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 11:52:05,814 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 11:52:05,814 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 11:52:05,814 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 11:52:05,815 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 11:52:05,815 INFO L87 Difference]: Start difference. First operand 4074 states and 4178 transitions. Second operand 3 states. [2018-12-08 11:52:06,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 11:52:06,055 INFO L93 Difference]: Finished difference Result 7954 states and 8163 transitions. [2018-12-08 11:52:06,055 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 11:52:06,055 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1937 [2018-12-08 11:52:06,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 11:52:06,056 INFO L225 Difference]: With dead ends: 7954 [2018-12-08 11:52:06,056 INFO L226 Difference]: Without dead ends: 0 [2018-12-08 11:52:06,059 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 11:52:06,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-08 11:52:06,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-08 11:52:06,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-08 11:52:06,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-08 11:52:06,060 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1937 [2018-12-08 11:52:06,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 11:52:06,060 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 11:52:06,060 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 11:52:06,060 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-08 11:52:06,060 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 11:52:06,063 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-08 11:52:06,103 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:52:06,115 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:52:06,121 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:52:06,131 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:52:06,159 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:52:06,163 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:52:06,184 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:52:06,212 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:52:06,213 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:52:06,219 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:52:06,222 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:52:06,244 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:52:06,245 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:52:06,273 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:52:06,330 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:52:06,348 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:52:06,348 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:52:06,349 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:52:06,349 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:52:06,485 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:52:06,486 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:52:06,486 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:52:06,487 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:52:06,516 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:52:06,616 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:52:07,113 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:52:07,196 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:52:07,274 WARN L180 SmtUtils]: Spent 993.00 ms on a formula simplification. DAG size of input: 834 DAG size of output: 717 [2018-12-08 11:52:07,315 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:52:07,328 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:52:07,328 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:52:07,328 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:52:07,329 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:52:07,448 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:52:07,449 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:52:07,449 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:52:07,450 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:52:07,478 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:52:07,575 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:52:08,065 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:52:08,151 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:52:08,234 WARN L180 SmtUtils]: Spent 958.00 ms on a formula simplification. DAG size of input: 834 DAG size of output: 717 [2018-12-08 11:52:09,493 WARN L180 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 333 DAG size of output: 104 [2018-12-08 11:52:15,290 WARN L180 SmtUtils]: Spent 5.79 s on a formula simplification. DAG size of input: 722 DAG size of output: 104 [2018-12-08 11:52:21,442 WARN L180 SmtUtils]: Spent 6.15 s on a formula simplification. DAG size of input: 722 DAG size of output: 104 [2018-12-08 11:52:21,444 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-08 11:52:21,444 INFO L444 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)) [2018-12-08 11:52:21,444 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-08 11:52:21,444 INFO L448 ceAbstractionStarter]: For program point L432(lines 432 870) no Hoare annotation was computed. [2018-12-08 11:52:21,444 INFO L448 ceAbstractionStarter]: For program point L366(lines 366 870) no Hoare annotation was computed. [2018-12-08 11:52:21,444 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 11:52:21,444 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 11:52:21,444 INFO L448 ceAbstractionStarter]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 11:52:21,444 INFO L448 ceAbstractionStarter]: For program point L235(lines 235 870) no Hoare annotation was computed. [2018-12-08 11:52:21,444 INFO L448 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-12-08 11:52:21,445 INFO L448 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-12-08 11:52:21,445 INFO L448 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-12-08 11:52:21,445 INFO L448 ceAbstractionStarter]: For program point L764(lines 764 870) no Hoare annotation was computed. [2018-12-08 11:52:21,445 INFO L448 ceAbstractionStarter]: For program point L632(lines 632 870) no Hoare annotation was computed. [2018-12-08 11:52:21,445 INFO L448 ceAbstractionStarter]: For program point L500(lines 500 870) no Hoare annotation was computed. [2018-12-08 11:52:21,445 INFO L448 ceAbstractionStarter]: For program point L831(lines 831 870) no Hoare annotation was computed. [2018-12-08 11:52:21,445 INFO L448 ceAbstractionStarter]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 11:52:21,445 INFO L448 ceAbstractionStarter]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 11:52:21,445 INFO L448 ceAbstractionStarter]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 11:52:21,445 INFO L448 ceAbstractionStarter]: For program point L700(lines 700 870) no Hoare annotation was computed. [2018-12-08 11:52:21,445 INFO L448 ceAbstractionStarter]: For program point L568(lines 568 870) no Hoare annotation was computed. [2018-12-08 11:52:21,445 INFO L448 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-12-08 11:52:21,445 INFO L448 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-12-08 11:52:21,445 INFO L448 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-12-08 11:52:21,445 INFO L448 ceAbstractionStarter]: For program point L305(lines 305 870) no Hoare annotation was computed. [2018-12-08 11:52:21,446 INFO L448 ceAbstractionStarter]: For program point L438(lines 438 870) no Hoare annotation was computed. [2018-12-08 11:52:21,446 INFO L448 ceAbstractionStarter]: For program point L372(lines 372 870) no Hoare annotation was computed. [2018-12-08 11:52:21,446 INFO L448 ceAbstractionStarter]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 11:52:21,446 INFO L448 ceAbstractionStarter]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 11:52:21,446 INFO L448 ceAbstractionStarter]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 11:52:21,446 INFO L448 ceAbstractionStarter]: For program point L241(lines 241 870) no Hoare annotation was computed. [2018-12-08 11:52:21,446 INFO L448 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-12-08 11:52:21,446 INFO L448 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-12-08 11:52:21,446 INFO L448 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-12-08 11:52:21,446 INFO L448 ceAbstractionStarter]: For program point L638(lines 638 870) no Hoare annotation was computed. [2018-12-08 11:52:21,446 INFO L448 ceAbstractionStarter]: For program point L506(lines 506 870) no Hoare annotation was computed. [2018-12-08 11:52:21,446 INFO L448 ceAbstractionStarter]: For program point L837(lines 837 870) no Hoare annotation was computed. [2018-12-08 11:52:21,446 INFO L448 ceAbstractionStarter]: For program point L771(lines 771 870) no Hoare annotation was computed. [2018-12-08 11:52:21,446 INFO L448 ceAbstractionStarter]: For program point L573(lines 573 870) no Hoare annotation was computed. [2018-12-08 11:52:21,446 INFO L448 ceAbstractionStarter]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 11:52:21,446 INFO L448 ceAbstractionStarter]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 11:52:21,446 INFO L448 ceAbstractionStarter]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 11:52:21,447 INFO L448 ceAbstractionStarter]: For program point L706(lines 706 870) no Hoare annotation was computed. [2018-12-08 11:52:21,447 INFO L448 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-12-08 11:52:21,447 INFO L448 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-12-08 11:52:21,447 INFO L448 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-12-08 11:52:21,447 INFO L448 ceAbstractionStarter]: For program point L311(lines 311 870) no Hoare annotation was computed. [2018-12-08 11:52:21,447 INFO L448 ceAbstractionStarter]: For program point L444(lines 444 870) no Hoare annotation was computed. [2018-12-08 11:52:21,447 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 870) no Hoare annotation was computed. [2018-12-08 11:52:21,447 INFO L448 ceAbstractionStarter]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 11:52:21,447 INFO L448 ceAbstractionStarter]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 11:52:21,447 INFO L448 ceAbstractionStarter]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 11:52:21,447 INFO L448 ceAbstractionStarter]: For program point L247(lines 247 870) no Hoare annotation was computed. [2018-12-08 11:52:21,447 INFO L448 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-12-08 11:52:21,447 INFO L448 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-12-08 11:52:21,447 INFO L448 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-12-08 11:52:21,447 INFO L448 ceAbstractionStarter]: For program point L842(lines 842 870) no Hoare annotation was computed. [2018-12-08 11:52:21,447 INFO L448 ceAbstractionStarter]: For program point L644(lines 644 870) no Hoare annotation was computed. [2018-12-08 11:52:21,448 INFO L448 ceAbstractionStarter]: For program point L512(lines 512 870) no Hoare annotation was computed. [2018-12-08 11:52:21,448 INFO L448 ceAbstractionStarter]: For program point L777(lines 777 870) no Hoare annotation was computed. [2018-12-08 11:52:21,448 INFO L448 ceAbstractionStarter]: For program point L579(lines 579 870) no Hoare annotation was computed. [2018-12-08 11:52:21,448 INFO L448 ceAbstractionStarter]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 11:52:21,448 INFO L448 ceAbstractionStarter]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 11:52:21,448 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 11:52:21,448 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 872) no Hoare annotation was computed. [2018-12-08 11:52:21,448 INFO L448 ceAbstractionStarter]: For program point L712(lines 712 870) no Hoare annotation was computed. [2018-12-08 11:52:21,448 INFO L448 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-12-08 11:52:21,448 INFO L448 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-12-08 11:52:21,448 INFO L448 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-12-08 11:52:21,448 INFO L448 ceAbstractionStarter]: For program point L449(lines 449 870) no Hoare annotation was computed. [2018-12-08 11:52:21,448 INFO L448 ceAbstractionStarter]: For program point L317(lines 317 870) no Hoare annotation was computed. [2018-12-08 11:52:21,448 INFO L448 ceAbstractionStarter]: For program point L384(lines 384 870) no Hoare annotation was computed. [2018-12-08 11:52:21,448 INFO L448 ceAbstractionStarter]: For program point L252(lines 252 870) no Hoare annotation was computed. [2018-12-08 11:52:21,448 INFO L448 ceAbstractionStarter]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 11:52:21,448 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 11:52:21,448 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 11:52:21,449 INFO L448 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-12-08 11:52:21,449 INFO L448 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-12-08 11:52:21,449 INFO L448 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-12-08 11:52:21,449 INFO L448 ceAbstractionStarter]: For program point L848(lines 848 870) no Hoare annotation was computed. [2018-12-08 11:52:21,449 INFO L448 ceAbstractionStarter]: For program point L650(lines 650 870) no Hoare annotation was computed. [2018-12-08 11:52:21,449 INFO L448 ceAbstractionStarter]: For program point L518(lines 518 870) no Hoare annotation was computed. [2018-12-08 11:52:21,449 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 145) no Hoare annotation was computed. [2018-12-08 11:52:21,449 INFO L448 ceAbstractionStarter]: For program point L783(lines 783 870) no Hoare annotation was computed. [2018-12-08 11:52:21,449 INFO L448 ceAbstractionStarter]: For program point L585(lines 585 870) no Hoare annotation was computed. [2018-12-08 11:52:21,449 INFO L448 ceAbstractionStarter]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 11:52:21,449 INFO L448 ceAbstractionStarter]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 11:52:21,449 INFO L448 ceAbstractionStarter]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 11:52:21,449 INFO L448 ceAbstractionStarter]: For program point L718(lines 718 870) no Hoare annotation was computed. [2018-12-08 11:52:21,449 INFO L448 ceAbstractionStarter]: For program point L454(lines 454 870) no Hoare annotation was computed. [2018-12-08 11:52:21,449 INFO L448 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-12-08 11:52:21,450 INFO L448 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-12-08 11:52:21,450 INFO L448 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-12-08 11:52:21,450 INFO L448 ceAbstractionStarter]: For program point L323(lines 323 870) no Hoare annotation was computed. [2018-12-08 11:52:21,450 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 872) the Hoare annotation is: (let ((.cse18 (= |old(~a15~0)| ~a15~0)) (.cse19 (= 8 |old(~a15~0)|)) (.cse3 (= ~a12~0 |old(~a12~0)|)) (.cse6 (= |old(~a24~0)| ~a24~0)) (.cse10 (= ~a21~0 |old(~a21~0)|))) (let ((.cse12 (< 0 (+ |old(~a12~0)| 49))) (.cse14 (< 7 |old(~a15~0)|)) (.cse4 (<= |old(~a21~0)| ~a21~0)) (.cse5 (<= ~a21~0 7)) (.cse1 (not (= 7 |old(~a21~0)|))) (.cse17 (and (and .cse3 .cse6) .cse10 (= ~a15~0 |old(~a15~0)|))) (.cse16 (< 73282 |old(~a12~0)|)) (.cse9 (not (= 8 |old(~a21~0)|))) (.cse11 (not (= 6 |old(~a21~0)|))) (.cse2 (not .cse19)) (.cse7 (= 8 ~a15~0)) (.cse8 (not (= 6 |old(~a15~0)|))) (.cse13 (and .cse3 .cse10 .cse18 .cse6)) (.cse15 (< |old(~a12~0)| 12)) (.cse0 (not (= 1 |old(~a24~0)|)))) (and (or .cse0 (or .cse1 (< 11 |old(~a12~0)|) .cse2) (and .cse3 .cse4 .cse5 .cse6 .cse7)) (or .cse8 (= 6 ~a15~0)) (or .cse9 (not (= 9 |old(~a15~0)|)) .cse0 (and .cse3 .cse10 .cse6 (= 9 ~a15~0))) (or .cse11 .cse12 .cse13 .cse14) (or .cse15 .cse13 .cse0 .cse16 .cse14) (or .cse11 .cse0 .cse13 .cse14) (or .cse13 (or .cse12 (< |old(~a21~0)| 7)) .cse0 .cse14) (or .cse17 .cse0 .cse16 .cse14 .cse9) (or (and .cse3 .cse4 .cse18 .cse5 .cse6) .cse15 .cse1 .cse0 .cse19) (or .cse15 .cse17 .cse0 .cse16 .cse9) (or .cse15 .cse11 .cse0 .cse2 (and .cse3 .cse10 .cse7 .cse6)) (or (and .cse3 .cse18 .cse6 (= 10 ~a21~0)) (not (= 10 |old(~a21~0)|)) .cse0) (or (< 76 |old(~a12~0)|) (not (= 9 |old(~a21~0)|)) .cse0 .cse2 (and .cse3 .cse10 .cse6 .cse7)) (or (<= (+ ~a12~0 43) 0) .cse8 (< 0 (+ |old(~a12~0)| 43))) (or .cse13 .cse15 (= 5 |old(~a15~0)|) .cse0 .cse19) (or .cse0 (not (= 7 |old(~a15~0)|)) (and .cse3 .cse10 (= 7 ~a15~0) .cse6))))) [2018-12-08 11:52:21,450 INFO L448 ceAbstractionStarter]: For program point L390(lines 390 870) no Hoare annotation was computed. [2018-12-08 11:52:21,450 INFO L448 ceAbstractionStarter]: For program point L258(lines 258 870) no Hoare annotation was computed. [2018-12-08 11:52:21,450 INFO L448 ceAbstractionStarter]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 11:52:21,450 INFO L448 ceAbstractionStarter]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 11:52:21,450 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 11:52:21,450 INFO L448 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-12-08 11:52:21,450 INFO L448 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-12-08 11:52:21,450 INFO L448 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-12-08 11:52:21,451 INFO L448 ceAbstractionStarter]: For program point L854(lines 854 870) no Hoare annotation was computed. [2018-12-08 11:52:21,451 INFO L448 ceAbstractionStarter]: For program point L656(lines 656 870) no Hoare annotation was computed. [2018-12-08 11:52:21,451 INFO L448 ceAbstractionStarter]: For program point L524(lines 524 870) no Hoare annotation was computed. [2018-12-08 11:52:21,451 INFO L448 ceAbstractionStarter]: For program point L789(lines 789 870) no Hoare annotation was computed. [2018-12-08 11:52:21,451 INFO L448 ceAbstractionStarter]: For program point L591(lines 591 870) no Hoare annotation was computed. [2018-12-08 11:52:21,451 INFO L448 ceAbstractionStarter]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 11:52:21,451 INFO L448 ceAbstractionStarter]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 11:52:21,451 INFO L448 ceAbstractionStarter]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 11:52:21,451 INFO L448 ceAbstractionStarter]: For program point L724(lines 724 870) no Hoare annotation was computed. [2018-12-08 11:52:21,451 INFO L448 ceAbstractionStarter]: For program point L460(lines 460 870) no Hoare annotation was computed. [2018-12-08 11:52:21,451 INFO L448 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-12-08 11:52:21,451 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-12-08 11:52:21,451 INFO L448 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-12-08 11:52:21,451 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 870) no Hoare annotation was computed. [2018-12-08 11:52:21,451 INFO L448 ceAbstractionStarter]: For program point L396(lines 396 870) no Hoare annotation was computed. [2018-12-08 11:52:21,451 INFO L448 ceAbstractionStarter]: For program point L264(lines 264 870) no Hoare annotation was computed. [2018-12-08 11:52:21,451 INFO L448 ceAbstractionStarter]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 11:52:21,452 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 11:52:21,452 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 11:52:21,452 INFO L448 ceAbstractionStarter]: For program point L859(lines 859 870) no Hoare annotation was computed. [2018-12-08 11:52:21,452 INFO L448 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-12-08 11:52:21,452 INFO L448 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-12-08 11:52:21,452 INFO L448 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-12-08 11:52:21,452 INFO L448 ceAbstractionStarter]: For program point L662(lines 662 870) no Hoare annotation was computed. [2018-12-08 11:52:21,452 INFO L448 ceAbstractionStarter]: For program point L530(lines 530 870) no Hoare annotation was computed. [2018-12-08 11:52:21,452 INFO L448 ceAbstractionStarter]: For program point L795(lines 795 870) no Hoare annotation was computed. [2018-12-08 11:52:21,452 INFO L448 ceAbstractionStarter]: For program point L597(lines 597 870) no Hoare annotation was computed. [2018-12-08 11:52:21,452 INFO L448 ceAbstractionStarter]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 11:52:21,452 INFO L448 ceAbstractionStarter]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 11:52:21,452 INFO L448 ceAbstractionStarter]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 11:52:21,452 INFO L448 ceAbstractionStarter]: For program point L730(lines 730 870) no Hoare annotation was computed. [2018-12-08 11:52:21,452 INFO L448 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-12-08 11:52:21,452 INFO L448 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-12-08 11:52:21,452 INFO L448 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-12-08 11:52:21,453 INFO L448 ceAbstractionStarter]: For program point L467(lines 467 870) no Hoare annotation was computed. [2018-12-08 11:52:21,453 INFO L448 ceAbstractionStarter]: For program point L335(lines 335 870) no Hoare annotation was computed. [2018-12-08 11:52:21,453 INFO L448 ceAbstractionStarter]: For program point L269(lines 269 870) no Hoare annotation was computed. [2018-12-08 11:52:21,453 INFO L448 ceAbstractionStarter]: For program point L402(lines 402 870) no Hoare annotation was computed. [2018-12-08 11:52:21,453 INFO L448 ceAbstractionStarter]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 11:52:21,453 INFO L448 ceAbstractionStarter]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 11:52:21,453 INFO L448 ceAbstractionStarter]: For program point L865(lines 865 870) no Hoare annotation was computed. [2018-12-08 11:52:21,453 INFO L448 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-12-08 11:52:21,453 INFO L448 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-12-08 11:52:21,453 INFO L448 ceAbstractionStarter]: For program point L668(lines 668 870) no Hoare annotation was computed. [2018-12-08 11:52:21,453 INFO L448 ceAbstractionStarter]: For program point L536(lines 536 870) no Hoare annotation was computed. [2018-12-08 11:52:21,453 INFO L448 ceAbstractionStarter]: For program point L801(lines 801 870) no Hoare annotation was computed. [2018-12-08 11:52:21,453 INFO L448 ceAbstractionStarter]: For program point L735(lines 735 870) no Hoare annotation was computed. [2018-12-08 11:52:21,453 INFO L448 ceAbstractionStarter]: For program point L603(lines 603 870) no Hoare annotation was computed. [2018-12-08 11:52:21,453 INFO L448 ceAbstractionStarter]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 11:52:21,453 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 11:52:21,453 INFO L448 ceAbstractionStarter]: For program point L472(lines 472 870) no Hoare annotation was computed. [2018-12-08 11:52:21,454 INFO L448 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-12-08 11:52:21,454 INFO L448 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-12-08 11:52:21,454 INFO L448 ceAbstractionStarter]: For program point L341(lines 341 870) no Hoare annotation was computed. [2018-12-08 11:52:21,454 INFO L448 ceAbstractionStarter]: For program point L275(lines 275 870) no Hoare annotation was computed. [2018-12-08 11:52:21,454 INFO L448 ceAbstractionStarter]: For program point L408(lines 408 870) no Hoare annotation was computed. [2018-12-08 11:52:21,454 INFO L448 ceAbstractionStarter]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 11:52:21,454 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 11:52:21,454 INFO L448 ceAbstractionStarter]: For program point L541(lines 541 870) no Hoare annotation was computed. [2018-12-08 11:52:21,454 INFO L448 ceAbstractionStarter]: For program point L211(lines 211 870) no Hoare annotation was computed. [2018-12-08 11:52:21,454 INFO L448 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-12-08 11:52:21,454 INFO L448 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-12-08 11:52:21,454 INFO L448 ceAbstractionStarter]: For program point L674(lines 674 870) no Hoare annotation was computed. [2018-12-08 11:52:21,454 INFO L448 ceAbstractionStarter]: For program point L807(lines 807 870) no Hoare annotation was computed. [2018-12-08 11:52:21,454 INFO L448 ceAbstractionStarter]: For program point L741(lines 741 870) no Hoare annotation was computed. [2018-12-08 11:52:21,454 INFO L448 ceAbstractionStarter]: For program point L609(lines 609 870) no Hoare annotation was computed. [2018-12-08 11:52:21,454 INFO L448 ceAbstractionStarter]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 11:52:21,454 INFO L448 ceAbstractionStarter]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 11:52:21,454 INFO L448 ceAbstractionStarter]: For program point L478(lines 478 870) no Hoare annotation was computed. [2018-12-08 11:52:21,455 INFO L448 ceAbstractionStarter]: For program point L280(lines 280 870) no Hoare annotation was computed. [2018-12-08 11:52:21,455 INFO L448 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-12-08 11:52:21,455 INFO L448 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-12-08 11:52:21,455 INFO L448 ceAbstractionStarter]: For program point L677(lines 677 870) no Hoare annotation was computed. [2018-12-08 11:52:21,455 INFO L448 ceAbstractionStarter]: For program point L347(lines 347 870) no Hoare annotation was computed. [2018-12-08 11:52:21,455 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 870) no Hoare annotation was computed. [2018-12-08 11:52:21,455 INFO L448 ceAbstractionStarter]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 11:52:21,455 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 11:52:21,455 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 872) no Hoare annotation was computed. [2018-12-08 11:52:21,455 INFO L448 ceAbstractionStarter]: For program point L547(lines 547 870) no Hoare annotation was computed. [2018-12-08 11:52:21,455 INFO L448 ceAbstractionStarter]: For program point L217(lines 217 870) no Hoare annotation was computed. [2018-12-08 11:52:21,455 INFO L448 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-12-08 11:52:21,455 INFO L448 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-12-08 11:52:21,455 INFO L448 ceAbstractionStarter]: For program point L747(lines 747 870) no Hoare annotation was computed. [2018-12-08 11:52:21,455 INFO L448 ceAbstractionStarter]: For program point L615(lines 615 870) no Hoare annotation was computed. [2018-12-08 11:52:21,455 INFO L448 ceAbstractionStarter]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 11:52:21,455 INFO L448 ceAbstractionStarter]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 11:52:21,456 INFO L448 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-12-08 11:52:21,456 INFO L448 ceAbstractionStarter]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2018-12-08 11:52:21,456 INFO L448 ceAbstractionStarter]: For program point L814(lines 814 870) no Hoare annotation was computed. [2018-12-08 11:52:21,456 INFO L448 ceAbstractionStarter]: For program point L484(lines 484 870) no Hoare annotation was computed. [2018-12-08 11:52:21,456 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 870) no Hoare annotation was computed. [2018-12-08 11:52:21,456 INFO L448 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-12-08 11:52:21,456 INFO L448 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-12-08 11:52:21,456 INFO L448 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-12-08 11:52:21,456 INFO L448 ceAbstractionStarter]: For program point L683(lines 683 870) no Hoare annotation was computed. [2018-12-08 11:52:21,456 INFO L448 ceAbstractionStarter]: For program point L353(lines 353 870) no Hoare annotation was computed. [2018-12-08 11:52:21,456 INFO L448 ceAbstractionStarter]: For program point L552(lines 552 870) no Hoare annotation was computed. [2018-12-08 11:52:21,456 INFO L448 ceAbstractionStarter]: For program point L420(lines 420 870) no Hoare annotation was computed. [2018-12-08 11:52:21,456 INFO L448 ceAbstractionStarter]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 11:52:21,456 INFO L448 ceAbstractionStarter]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 11:52:21,456 INFO L448 ceAbstractionStarter]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 11:52:21,456 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 870) no Hoare annotation was computed. [2018-12-08 11:52:21,456 INFO L448 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-12-08 11:52:21,457 INFO L448 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-12-08 11:52:21,457 INFO L448 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-12-08 11:52:21,457 INFO L448 ceAbstractionStarter]: For program point L752(lines 752 870) no Hoare annotation was computed. [2018-12-08 11:52:21,457 INFO L448 ceAbstractionStarter]: For program point L819(lines 819 870) no Hoare annotation was computed. [2018-12-08 11:52:21,457 INFO L448 ceAbstractionStarter]: For program point L621(lines 621 870) no Hoare annotation was computed. [2018-12-08 11:52:21,457 INFO L448 ceAbstractionStarter]: For program point L555(lines 555 870) no Hoare annotation was computed. [2018-12-08 11:52:21,457 INFO L448 ceAbstractionStarter]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 11:52:21,457 INFO L448 ceAbstractionStarter]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 11:52:21,457 INFO L448 ceAbstractionStarter]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 11:52:21,457 INFO L448 ceAbstractionStarter]: For program point L688(lines 688 870) no Hoare annotation was computed. [2018-12-08 11:52:21,457 INFO L448 ceAbstractionStarter]: For program point L490(lines 490 870) no Hoare annotation was computed. [2018-12-08 11:52:21,457 INFO L448 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-12-08 11:52:21,457 INFO L448 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-12-08 11:52:21,457 INFO L448 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-12-08 11:52:21,457 INFO L448 ceAbstractionStarter]: For program point L359(lines 359 870) no Hoare annotation was computed. [2018-12-08 11:52:21,457 INFO L448 ceAbstractionStarter]: For program point L293(lines 293 870) no Hoare annotation was computed. [2018-12-08 11:52:21,457 INFO L448 ceAbstractionStarter]: For program point L426(lines 426 870) no Hoare annotation was computed. [2018-12-08 11:52:21,458 INFO L448 ceAbstractionStarter]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 11:52:21,458 INFO L448 ceAbstractionStarter]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 11:52:21,458 INFO L448 ceAbstractionStarter]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 11:52:21,458 INFO L448 ceAbstractionStarter]: For program point L229(lines 229 870) no Hoare annotation was computed. [2018-12-08 11:52:21,458 INFO L448 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-12-08 11:52:21,458 INFO L448 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-12-08 11:52:21,458 INFO L448 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-12-08 11:52:21,458 INFO L448 ceAbstractionStarter]: For program point L758(lines 758 870) no Hoare annotation was computed. [2018-12-08 11:52:21,458 INFO L448 ceAbstractionStarter]: For program point L626(lines 626 870) no Hoare annotation was computed. [2018-12-08 11:52:21,458 INFO L448 ceAbstractionStarter]: For program point L825(lines 825 870) no Hoare annotation was computed. [2018-12-08 11:52:21,458 INFO L448 ceAbstractionStarter]: For program point L561(lines 561 870) no Hoare annotation was computed. [2018-12-08 11:52:21,458 INFO L448 ceAbstractionStarter]: For program point L495(lines 495 870) no Hoare annotation was computed. [2018-12-08 11:52:21,458 INFO L448 ceAbstractionStarter]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 11:52:21,458 INFO L448 ceAbstractionStarter]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 11:52:21,458 INFO L448 ceAbstractionStarter]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 11:52:21,458 INFO L448 ceAbstractionStarter]: For program point L694(lines 694 870) no Hoare annotation was computed. [2018-12-08 11:52:21,458 INFO L448 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-12-08 11:52:21,458 INFO L448 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-12-08 11:52:21,459 INFO L448 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-12-08 11:52:21,459 INFO L448 ceAbstractionStarter]: For program point L299(lines 299 870) no Hoare annotation was computed. [2018-12-08 11:52:21,459 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-08 11:52:21,459 INFO L444 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)) [2018-12-08 11:52:21,459 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-08 11:52:21,459 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-08 11:52:21,459 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 874 890) the Hoare annotation is: (or (< 0 (+ |old(~a12~0)| 49)) (not (= 8 |old(~a15~0)|)) (and (= ~a12~0 |old(~a12~0)|) (= 7 ~a21~0) (= |old(~a15~0)| ~a15~0) (= 1 ~a24~0)) (not (= 7 |old(~a21~0)|)) (not (= 1 |old(~a24~0)|))) [2018-12-08 11:52:21,459 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 874 890) no Hoare annotation was computed. [2018-12-08 11:52:21,459 INFO L444 ceAbstractionStarter]: At program point L888(line 888) the Hoare annotation is: (let ((.cse9 (<= ~a12~0 73282)) (.cse4 (= ~a24~0 |old(~a24~0)|)) (.cse1 (not (= 8 |old(~a15~0)|)))) (let ((.cse3 (<= (+ ~a12~0 49) 0)) (.cse6 (not (= ~a15~0 8))) (.cse8 (= 7 ~a21~0)) (.cse2 (<= ~a15~0 7)) (.cse0 (= 1 ~a24~0)) (.cse7 (= 6 ~a21~0)) (.cse5 (<= 12 ~a12~0)) (.cse10 (let ((.cse12 (= 6 |old(~a21~0)|))) (let ((.cse11 (not .cse12))) (and (or (< 80 |old(~a12~0)|) (<= (+ |old(~a12~0)| 43) 0)) (and .cse9 (and (<= ~a15~0 8) (or .cse11 (<= 0 (+ |old(~a12~0)| 42)) (not (= 5 |old(~a15~0)|)))) .cse4 (= ~a21~0 8) (or .cse12 (= 7 |old(~a21~0)|))) (or .cse11 .cse1)))))) (or (and .cse0 (= 10 ~a21~0)) .cse1 (and .cse2 (and (and (<= 7 ~a21~0) .cse3) .cse4)) (and .cse5 .cse6 (and (not (= 5 ~a15~0)) .cse4)) (= 6 ~a15~0) (and .cse2 (and .cse7 .cse3)) (and (<= ~a12~0 76) (and .cse0 (= 8 ~a15~0) (= 9 ~a21~0))) (and .cse5 (and .cse8 .cse0) .cse6) (and (and .cse0 (and .cse8 (<= ~a12~0 11))) (= ~a15~0 |old(~a15~0)|)) (and (= 8 ~a21~0) .cse4 (= 9 ~a15~0)) (< 0 (+ |old(~a12~0)| 49)) (and (= 7 ~a15~0) .cse0) (and .cse5 (and .cse4 .cse7)) (and .cse5 .cse2 (and .cse9 .cse0)) (and .cse2 .cse10) (< 7 |old(~a21~0)|) (and .cse2 (and .cse0 .cse7)) (< |old(~a21~0)| 7) (and .cse5 .cse10) (not (= 1 |old(~a24~0)|))))) [2018-12-08 11:52:21,459 INFO L448 ceAbstractionStarter]: For program point L888-1(line 888) no Hoare annotation was computed. [2018-12-08 11:52:21,460 INFO L448 ceAbstractionStarter]: For program point L885(line 885) no Hoare annotation was computed. [2018-12-08 11:52:21,460 INFO L444 ceAbstractionStarter]: At program point L880-2(lines 880 889) the Hoare annotation is: (let ((.cse9 (<= ~a12~0 73282)) (.cse4 (= ~a24~0 |old(~a24~0)|)) (.cse1 (not (= 8 |old(~a15~0)|)))) (let ((.cse3 (<= (+ ~a12~0 49) 0)) (.cse6 (not (= ~a15~0 8))) (.cse8 (= 7 ~a21~0)) (.cse2 (<= ~a15~0 7)) (.cse0 (= 1 ~a24~0)) (.cse7 (= 6 ~a21~0)) (.cse5 (<= 12 ~a12~0)) (.cse10 (let ((.cse12 (= 6 |old(~a21~0)|))) (let ((.cse11 (not .cse12))) (and (or (< 80 |old(~a12~0)|) (<= (+ |old(~a12~0)| 43) 0)) (and .cse9 (and (<= ~a15~0 8) (or .cse11 (<= 0 (+ |old(~a12~0)| 42)) (not (= 5 |old(~a15~0)|)))) .cse4 (= ~a21~0 8) (or .cse12 (= 7 |old(~a21~0)|))) (or .cse11 .cse1)))))) (or (and .cse0 (= 10 ~a21~0)) .cse1 (and .cse2 (and (and (<= 7 ~a21~0) .cse3) .cse4)) (and .cse5 .cse6 (and (not (= 5 ~a15~0)) .cse4)) (= 6 ~a15~0) (and .cse2 (and .cse7 .cse3)) (and (<= ~a12~0 76) (and .cse0 (= 8 ~a15~0) (= 9 ~a21~0))) (and .cse5 (and .cse8 .cse0) .cse6) (and (and .cse0 (and .cse8 (<= ~a12~0 11))) (= ~a15~0 |old(~a15~0)|)) (and (= 8 ~a21~0) .cse4 (= 9 ~a15~0)) (< 0 (+ |old(~a12~0)| 49)) (and (= 7 ~a15~0) .cse0) (and .cse5 (and .cse4 .cse7)) (and .cse5 .cse2 (and .cse9 .cse0)) (and .cse2 .cse10) (< 7 |old(~a21~0)|) (and .cse2 (and .cse0 .cse7)) (< |old(~a21~0)| 7) (and .cse5 .cse10) (not (= 1 |old(~a24~0)|))))) [2018-12-08 11:52:21,460 INFO L448 ceAbstractionStarter]: For program point L880-3(lines 874 890) no Hoare annotation was computed. [2018-12-08 11:52:21,475 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 11:52:21 BoogieIcfgContainer [2018-12-08 11:52:21,475 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 11:52:21,476 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 11:52:21,476 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 11:52:21,476 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 11:52:21,476 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 11:51:10" (3/4) ... [2018-12-08 11:52:21,479 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 11:52:21,486 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-08 11:52:21,486 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-08 11:52:21,486 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-08 11:52:21,496 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-08 11:52:21,497 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-08 11:52:21,521 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((((1 == a24 && 10 == a21) || !(8 == \old(a15))) || (a15 <= 7 && (7 <= a21 && a12 + 49 <= 0) && a24 == \old(a24))) || ((12 <= a12 && !(a15 == 8)) && !(5 == a15) && a24 == \old(a24))) || 6 == a15) || (a15 <= 7 && 6 == a21 && a12 + 49 <= 0)) || (a12 <= 76 && (1 == a24 && 8 == a15) && 9 == a21)) || ((12 <= a12 && 7 == a21 && 1 == a24) && !(a15 == 8))) || ((1 == a24 && 7 == a21 && a12 <= 11) && a15 == \old(a15))) || ((8 == a21 && a24 == \old(a24)) && 9 == a15)) || 0 < \old(a12) + 49) || (7 == a15 && 1 == a24)) || (12 <= a12 && a24 == \old(a24) && 6 == a21)) || ((12 <= a12 && a15 <= 7) && a12 <= 73282 && 1 == a24)) || (a15 <= 7 && ((80 < \old(a12) || \old(a12) + 43 <= 0) && (((a12 <= 73282 && a15 <= 8 && ((!(6 == \old(a21)) || 0 <= \old(a12) + 42) || !(5 == \old(a15)))) && a24 == \old(a24)) && a21 == 8) && (6 == \old(a21) || 7 == \old(a21))) && (!(6 == \old(a21)) || !(8 == \old(a15))))) || 7 < \old(a21)) || (a15 <= 7 && 1 == a24 && 6 == a21)) || \old(a21) < 7) || (12 <= a12 && ((80 < \old(a12) || \old(a12) + 43 <= 0) && (((a12 <= 73282 && a15 <= 8 && ((!(6 == \old(a21)) || 0 <= \old(a12) + 42) || !(5 == \old(a15)))) && a24 == \old(a24)) && a21 == 8) && (6 == \old(a21) || 7 == \old(a21))) && (!(6 == \old(a21)) || !(8 == \old(a15))))) || !(1 == \old(a24)) [2018-12-08 11:52:21,574 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_6f261cd1-1531-4a08-836d-777fa22274d9/bin-2019/uautomizer/witness.graphml [2018-12-08 11:52:21,574 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 11:52:21,575 INFO L168 Benchmark]: Toolchain (without parser) took 72808.89 ms. Allocated memory was 1.0 GB in the beginning and 4.9 GB in the end (delta: 3.9 GB). Free memory was 948.5 MB in the beginning and 1.1 GB in the end (delta: -113.8 MB). Peak memory consumption was 3.7 GB. Max. memory is 11.5 GB. [2018-12-08 11:52:21,575 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 11:52:21,575 INFO L168 Benchmark]: CACSL2BoogieTranslator took 446.66 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.7 MB). Free memory was 948.5 MB in the beginning and 1.1 GB in the end (delta: -145.5 MB). Peak memory consumption was 38.9 MB. Max. memory is 11.5 GB. [2018-12-08 11:52:21,575 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.85 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 11:52:21,575 INFO L168 Benchmark]: Boogie Preprocessor took 37.48 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-08 11:52:21,576 INFO L168 Benchmark]: RCFGBuilder took 758.95 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 960.5 MB in the end (delta: 128.0 MB). Peak memory consumption was 128.0 MB. Max. memory is 11.5 GB. [2018-12-08 11:52:21,576 INFO L168 Benchmark]: TraceAbstraction took 71441.37 ms. Allocated memory was 1.1 GB in the beginning and 4.9 GB in the end (delta: 3.7 GB). Free memory was 960.5 MB in the beginning and 1.1 GB in the end (delta: -101.8 MB). Peak memory consumption was 3.7 GB. Max. memory is 11.5 GB. [2018-12-08 11:52:21,576 INFO L168 Benchmark]: Witness Printer took 98.25 ms. Allocated memory is still 4.9 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 11:52:21,577 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 446.66 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.7 MB). Free memory was 948.5 MB in the beginning and 1.1 GB in the end (delta: -145.5 MB). Peak memory consumption was 38.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.85 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 37.48 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 758.95 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 960.5 MB in the end (delta: 128.0 MB). Peak memory consumption was 128.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 71441.37 ms. Allocated memory was 1.1 GB in the beginning and 4.9 GB in the end (delta: 3.7 GB). Free memory was 960.5 MB in the beginning and 1.1 GB in the end (delta: -101.8 MB). Peak memory consumption was 3.7 GB. Max. memory is 11.5 GB. * Witness Printer took 98.25 ms. Allocated memory is still 4.9 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 145]: 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 && 10 == a21) || !(8 == \old(a15))) || (a15 <= 7 && (7 <= a21 && a12 + 49 <= 0) && a24 == \old(a24))) || ((12 <= a12 && !(a15 == 8)) && !(5 == a15) && a24 == \old(a24))) || 6 == a15) || (a15 <= 7 && 6 == a21 && a12 + 49 <= 0)) || (a12 <= 76 && (1 == a24 && 8 == a15) && 9 == a21)) || ((12 <= a12 && 7 == a21 && 1 == a24) && !(a15 == 8))) || ((1 == a24 && 7 == a21 && a12 <= 11) && a15 == \old(a15))) || ((8 == a21 && a24 == \old(a24)) && 9 == a15)) || 0 < \old(a12) + 49) || (7 == a15 && 1 == a24)) || (12 <= a12 && a24 == \old(a24) && 6 == a21)) || ((12 <= a12 && a15 <= 7) && a12 <= 73282 && 1 == a24)) || (a15 <= 7 && ((80 < \old(a12) || \old(a12) + 43 <= 0) && (((a12 <= 73282 && a15 <= 8 && ((!(6 == \old(a21)) || 0 <= \old(a12) + 42) || !(5 == \old(a15)))) && a24 == \old(a24)) && a21 == 8) && (6 == \old(a21) || 7 == \old(a21))) && (!(6 == \old(a21)) || !(8 == \old(a15))))) || 7 < \old(a21)) || (a15 <= 7 && 1 == a24 && 6 == a21)) || \old(a21) < 7) || (12 <= a12 && ((80 < \old(a12) || \old(a12) + 43 <= 0) && (((a12 <= 73282 && a15 <= 8 && ((!(6 == \old(a21)) || 0 <= \old(a12) + 42) || !(5 == \old(a15)))) && a24 == \old(a24)) && a21 == 8) && (6 == \old(a21) || 7 == \old(a21))) && (!(6 == \old(a21)) || !(8 == \old(a15))))) || !(1 == \old(a24)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 254 locations, 1 error locations. SAFE Result, 71.3s OverallTime, 17 OverallIterations, 16 TraceHistogramMax, 33.6s AutomataDifference, 0.0s DeadEndRemovalTime, 15.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 854 SDtfs, 24914 SDslu, 2002 SDs, 0 SdLazy, 40161 SolverSat, 7808 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 19.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 14308 GetRequests, 13819 SyntacticMatches, 15 SemanticMatches, 474 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7351 ImplicationChecksByTransitivity, 10.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8010occurred in iteration=11, 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: 1.0s AutomataMinimizationTime, 17 MinimizatonAttempts, 4111 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 470 PreInvPairs, 578 NumberOfFragments, 1076 HoareAnnotationTreeSize, 470 FomulaSimplifications, 11037145 FormulaSimplificationTreeSizeReduction, 2.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 905026 FormulaSimplificationTreeSizeReductionInter, 13.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.4s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 8.3s InterpolantComputationTime, 29579 NumberOfCodeBlocks, 29579 NumberOfCodeBlocksAsserted, 30 NumberOfCheckSat, 29549 ConstructedInterpolants, 0 QuantifiedInterpolants, 102665183 SizeOfPredicates, 8 NumberOfNonLiveVariables, 18868 ConjunctsInSsa, 98 ConjunctsInUnsatCore, 30 InterpolantComputations, 6 PerfectInterpolantSequences, 106245/116747 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...