./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-random2d_true-termination_true-no-overflow.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_1d3906ac-a680-4de4-b8b7-ad3baf059e93/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1d3906ac-a680-4de4-b8b7-ad3baf059e93/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1d3906ac-a680-4de4-b8b7-ad3baf059e93/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1d3906ac-a680-4de4-b8b7-ad3baf059e93/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-random2d_true-termination_true-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_1d3906ac-a680-4de4-b8b7-ad3baf059e93/bin-2019/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1d3906ac-a680-4de4-b8b7-ad3baf059e93/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 932d0be5444dce6d8d9a378b61966d0cdf64a5cb ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 02:42:37,150 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 02:42:37,151 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 02:42:37,158 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 02:42:37,158 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 02:42:37,159 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 02:42:37,159 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 02:42:37,160 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 02:42:37,161 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 02:42:37,162 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 02:42:37,163 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 02:42:37,163 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 02:42:37,164 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 02:42:37,164 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 02:42:37,165 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 02:42:37,166 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 02:42:37,166 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 02:42:37,168 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 02:42:37,169 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 02:42:37,170 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 02:42:37,171 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 02:42:37,172 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 02:42:37,173 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 02:42:37,174 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 02:42:37,174 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 02:42:37,174 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 02:42:37,175 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 02:42:37,176 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 02:42:37,176 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 02:42:37,177 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 02:42:37,177 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 02:42:37,178 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 02:42:37,178 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 02:42:37,178 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 02:42:37,179 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 02:42:37,179 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 02:42:37,179 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1d3906ac-a680-4de4-b8b7-ad3baf059e93/bin-2019/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf [2018-11-23 02:42:37,189 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 02:42:37,189 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 02:42:37,190 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 02:42:37,190 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 02:42:37,191 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 02:42:37,191 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 02:42:37,191 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 02:42:37,191 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 02:42:37,191 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-23 02:42:37,191 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 02:42:37,191 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 02:42:37,192 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 02:42:37,192 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 02:42:37,192 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 02:42:37,192 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-11-23 02:42:37,192 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 02:42:37,192 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 02:42:37,192 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 02:42:37,193 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 02:42:37,193 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 02:42:37,193 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 02:42:37,193 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 02:42:37,193 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 02:42:37,193 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 02:42:37,193 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 02:42:37,193 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 02:42:37,194 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 02:42:37,194 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 02:42:37,194 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 02:42:37,194 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_1d3906ac-a680-4de4-b8b7-ad3baf059e93/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 ! overflow) ) 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 932d0be5444dce6d8d9a378b61966d0cdf64a5cb [2018-11-23 02:42:37,216 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 02:42:37,224 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 02:42:37,226 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 02:42:37,227 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 02:42:37,227 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 02:42:37,228 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1d3906ac-a680-4de4-b8b7-ad3baf059e93/bin-2019/uautomizer/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-random2d_true-termination_true-no-overflow.c [2018-11-23 02:42:37,264 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1d3906ac-a680-4de4-b8b7-ad3baf059e93/bin-2019/uautomizer/data/e2a8485b7/fe471b38ea714e9992af55f58a555163/FLAG494fc44af [2018-11-23 02:42:37,662 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 02:42:37,662 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1d3906ac-a680-4de4-b8b7-ad3baf059e93/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-random2d_true-termination_true-no-overflow.c [2018-11-23 02:42:37,666 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1d3906ac-a680-4de4-b8b7-ad3baf059e93/bin-2019/uautomizer/data/e2a8485b7/fe471b38ea714e9992af55f58a555163/FLAG494fc44af [2018-11-23 02:42:37,675 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1d3906ac-a680-4de4-b8b7-ad3baf059e93/bin-2019/uautomizer/data/e2a8485b7/fe471b38ea714e9992af55f58a555163 [2018-11-23 02:42:37,676 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 02:42:37,677 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 02:42:37,678 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 02:42:37,678 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 02:42:37,680 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 02:42:37,680 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:42:37" (1/1) ... [2018-11-23 02:42:37,682 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5dd21f3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:42:37, skipping insertion in model container [2018-11-23 02:42:37,682 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:42:37" (1/1) ... [2018-11-23 02:42:37,688 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 02:42:37,699 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 02:42:37,802 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 02:42:37,805 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 02:42:37,815 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 02:42:37,823 INFO L195 MainTranslator]: Completed translation [2018-11-23 02:42:37,824 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:42:37 WrapperNode [2018-11-23 02:42:37,824 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 02:42:37,824 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 02:42:37,824 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 02:42:37,824 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 02:42:37,829 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:42:37" (1/1) ... [2018-11-23 02:42:37,833 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:42:37" (1/1) ... [2018-11-23 02:42:37,837 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 02:42:37,837 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 02:42:37,837 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 02:42:37,838 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 02:42:37,843 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:42:37" (1/1) ... [2018-11-23 02:42:37,844 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:42:37" (1/1) ... [2018-11-23 02:42:37,844 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:42:37" (1/1) ... [2018-11-23 02:42:37,844 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:42:37" (1/1) ... [2018-11-23 02:42:37,846 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:42:37" (1/1) ... [2018-11-23 02:42:37,849 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:42:37" (1/1) ... [2018-11-23 02:42:37,850 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:42:37" (1/1) ... [2018-11-23 02:42:37,851 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 02:42:37,851 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 02:42:37,851 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 02:42:37,851 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 02:42:37,852 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:42:37" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1d3906ac-a680-4de4-b8b7-ad3baf059e93/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 02:42:37,922 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 02:42:37,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 02:42:37,922 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 02:42:37,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 02:42:37,922 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 02:42:37,922 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 02:42:38,060 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 02:42:38,061 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-23 02:42:38,061 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:42:38 BoogieIcfgContainer [2018-11-23 02:42:38,061 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 02:42:38,062 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 02:42:38,062 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 02:42:38,065 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 02:42:38,065 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:42:37" (1/3) ... [2018-11-23 02:42:38,066 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cd7054a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:42:38, skipping insertion in model container [2018-11-23 02:42:38,066 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:42:37" (2/3) ... [2018-11-23 02:42:38,066 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cd7054a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:42:38, skipping insertion in model container [2018-11-23 02:42:38,066 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:42:38" (3/3) ... [2018-11-23 02:42:38,068 INFO L112 eAbstractionObserver]: Analyzing ICFG AliasDarteFeautrierGonnord-SAS2010-random2d_true-termination_true-no-overflow.c [2018-11-23 02:42:38,076 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 02:42:38,082 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 10 error locations. [2018-11-23 02:42:38,096 INFO L257 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2018-11-23 02:42:38,123 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 02:42:38,124 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 02:42:38,124 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 02:42:38,124 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 02:42:38,124 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 02:42:38,124 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 02:42:38,125 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 02:42:38,125 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 02:42:38,125 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 02:42:38,142 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states. [2018-11-23 02:42:38,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-23 02:42:38,147 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:42:38,148 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-23 02:42:38,150 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-23 02:42:38,155 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:42:38,156 INFO L82 PathProgramCache]: Analyzing trace with hash 252417093, now seen corresponding path program 1 times [2018-11-23 02:42:38,157 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 02:42:38,158 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 02:42:38,207 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:42:38,207 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:42:38,207 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:42:38,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:42:38,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:42:38,274 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 02:42:38,275 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 02:42:38,277 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 02:42:38,286 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 02:42:38,286 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 02:42:38,288 INFO L87 Difference]: Start difference. First operand 36 states. Second operand 3 states. [2018-11-23 02:42:38,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:42:38,332 INFO L93 Difference]: Finished difference Result 48 states and 56 transitions. [2018-11-23 02:42:38,333 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 02:42:38,334 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2018-11-23 02:42:38,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:42:38,341 INFO L225 Difference]: With dead ends: 48 [2018-11-23 02:42:38,341 INFO L226 Difference]: Without dead ends: 34 [2018-11-23 02:42:38,343 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 02:42:38,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2018-11-23 02:42:38,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 33. [2018-11-23 02:42:38,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2018-11-23 02:42:38,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 38 transitions. [2018-11-23 02:42:38,371 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 38 transitions. Word has length 7 [2018-11-23 02:42:38,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:42:38,371 INFO L480 AbstractCegarLoop]: Abstraction has 33 states and 38 transitions. [2018-11-23 02:42:38,372 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 02:42:38,372 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 38 transitions. [2018-11-23 02:42:38,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-23 02:42:38,372 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:42:38,372 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 02:42:38,373 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-23 02:42:38,373 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:42:38,373 INFO L82 PathProgramCache]: Analyzing trace with hash -765004662, now seen corresponding path program 1 times [2018-11-23 02:42:38,373 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 02:42:38,373 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 02:42:38,374 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:42:38,375 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:42:38,375 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:42:38,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:42:38,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:42:38,397 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 02:42:38,397 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 02:42:38,398 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 02:42:38,399 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 02:42:38,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 02:42:38,399 INFO L87 Difference]: Start difference. First operand 33 states and 38 transitions. Second operand 3 states. [2018-11-23 02:42:38,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:42:38,409 INFO L93 Difference]: Finished difference Result 33 states and 38 transitions. [2018-11-23 02:42:38,410 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 02:42:38,410 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2018-11-23 02:42:38,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:42:38,411 INFO L225 Difference]: With dead ends: 33 [2018-11-23 02:42:38,411 INFO L226 Difference]: Without dead ends: 32 [2018-11-23 02:42:38,412 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 02:42:38,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2018-11-23 02:42:38,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2018-11-23 02:42:38,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2018-11-23 02:42:38,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 37 transitions. [2018-11-23 02:42:38,415 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 37 transitions. Word has length 8 [2018-11-23 02:42:38,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:42:38,415 INFO L480 AbstractCegarLoop]: Abstraction has 32 states and 37 transitions. [2018-11-23 02:42:38,415 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 02:42:38,415 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 37 transitions. [2018-11-23 02:42:38,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-23 02:42:38,416 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:42:38,416 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 02:42:38,416 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-23 02:42:38,416 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:42:38,416 INFO L82 PathProgramCache]: Analyzing trace with hash -1157363318, now seen corresponding path program 1 times [2018-11-23 02:42:38,416 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 02:42:38,416 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 02:42:38,418 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:42:38,418 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:42:38,418 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:42:38,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:42:38,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:42:38,441 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 02:42:38,441 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 02:42:38,441 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 02:42:38,441 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 02:42:38,442 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 02:42:38,442 INFO L87 Difference]: Start difference. First operand 32 states and 37 transitions. Second operand 3 states. [2018-11-23 02:42:38,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:42:38,470 INFO L93 Difference]: Finished difference Result 55 states and 67 transitions. [2018-11-23 02:42:38,470 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 02:42:38,471 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2018-11-23 02:42:38,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:42:38,471 INFO L225 Difference]: With dead ends: 55 [2018-11-23 02:42:38,472 INFO L226 Difference]: Without dead ends: 53 [2018-11-23 02:42:38,472 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 02:42:38,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2018-11-23 02:42:38,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 47. [2018-11-23 02:42:38,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2018-11-23 02:42:38,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 63 transitions. [2018-11-23 02:42:38,477 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 63 transitions. Word has length 11 [2018-11-23 02:42:38,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:42:38,478 INFO L480 AbstractCegarLoop]: Abstraction has 47 states and 63 transitions. [2018-11-23 02:42:38,478 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 02:42:38,478 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 63 transitions. [2018-11-23 02:42:38,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-23 02:42:38,478 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:42:38,478 INFO L402 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 02:42:38,479 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-23 02:42:38,479 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:42:38,479 INFO L82 PathProgramCache]: Analyzing trace with hash -1157326159, now seen corresponding path program 1 times [2018-11-23 02:42:38,479 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 02:42:38,479 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 02:42:38,480 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:42:38,480 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:42:38,480 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:42:38,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:42:38,501 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 02:42:38,501 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 02:42:38,501 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1d3906ac-a680-4de4-b8b7-ad3baf059e93/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 02:42:38,509 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:42:38,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:42:38,523 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 02:42:38,562 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:42:38,577 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 02:42:38,577 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2018-11-23 02:42:38,577 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 02:42:38,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 02:42:38,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 02:42:38,578 INFO L87 Difference]: Start difference. First operand 47 states and 63 transitions. Second operand 6 states. [2018-11-23 02:42:38,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:42:38,641 INFO L93 Difference]: Finished difference Result 108 states and 146 transitions. [2018-11-23 02:42:38,641 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 02:42:38,641 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 11 [2018-11-23 02:42:38,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:42:38,643 INFO L225 Difference]: With dead ends: 108 [2018-11-23 02:42:38,643 INFO L226 Difference]: Without dead ends: 107 [2018-11-23 02:42:38,643 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2018-11-23 02:42:38,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2018-11-23 02:42:38,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 44. [2018-11-23 02:42:38,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2018-11-23 02:42:38,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 59 transitions. [2018-11-23 02:42:38,649 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 59 transitions. Word has length 11 [2018-11-23 02:42:38,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:42:38,649 INFO L480 AbstractCegarLoop]: Abstraction has 44 states and 59 transitions. [2018-11-23 02:42:38,649 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 02:42:38,649 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 59 transitions. [2018-11-23 02:42:38,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-23 02:42:38,650 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:42:38,650 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 02:42:38,650 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-23 02:42:38,650 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:42:38,650 INFO L82 PathProgramCache]: Analyzing trace with hash -1518524433, now seen corresponding path program 1 times [2018-11-23 02:42:38,651 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 02:42:38,651 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 02:42:38,652 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:42:38,652 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:42:38,652 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:42:38,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:42:38,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:42:38,675 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 02:42:38,675 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 02:42:38,676 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 02:42:38,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 02:42:38,676 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 02:42:38,676 INFO L87 Difference]: Start difference. First operand 44 states and 59 transitions. Second operand 3 states. [2018-11-23 02:42:38,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:42:38,709 INFO L93 Difference]: Finished difference Result 81 states and 113 transitions. [2018-11-23 02:42:38,710 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 02:42:38,710 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2018-11-23 02:42:38,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:42:38,710 INFO L225 Difference]: With dead ends: 81 [2018-11-23 02:42:38,710 INFO L226 Difference]: Without dead ends: 79 [2018-11-23 02:42:38,711 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 02:42:38,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2018-11-23 02:42:38,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 75. [2018-11-23 02:42:38,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2018-11-23 02:42:38,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 110 transitions. [2018-11-23 02:42:38,715 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 110 transitions. Word has length 12 [2018-11-23 02:42:38,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:42:38,716 INFO L480 AbstractCegarLoop]: Abstraction has 75 states and 110 transitions. [2018-11-23 02:42:38,716 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 02:42:38,716 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 110 transitions. [2018-11-23 02:42:38,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-23 02:42:38,716 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:42:38,716 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 02:42:38,716 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-23 02:42:38,716 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:42:38,717 INFO L82 PathProgramCache]: Analyzing trace with hash 170574579, now seen corresponding path program 1 times [2018-11-23 02:42:38,717 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 02:42:38,717 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 02:42:38,717 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:42:38,717 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:42:38,718 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:42:38,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:42:38,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:42:38,744 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 02:42:38,744 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 02:42:38,744 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 02:42:38,744 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 02:42:38,745 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 02:42:38,745 INFO L87 Difference]: Start difference. First operand 75 states and 110 transitions. Second operand 3 states. [2018-11-23 02:42:38,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:42:38,769 INFO L93 Difference]: Finished difference Result 143 states and 215 transitions. [2018-11-23 02:42:38,770 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 02:42:38,770 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2018-11-23 02:42:38,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:42:38,771 INFO L225 Difference]: With dead ends: 143 [2018-11-23 02:42:38,771 INFO L226 Difference]: Without dead ends: 141 [2018-11-23 02:42:38,771 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 02:42:38,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2018-11-23 02:42:38,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 133. [2018-11-23 02:42:38,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2018-11-23 02:42:38,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 199 transitions. [2018-11-23 02:42:38,783 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 199 transitions. Word has length 13 [2018-11-23 02:42:38,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:42:38,783 INFO L480 AbstractCegarLoop]: Abstraction has 133 states and 199 transitions. [2018-11-23 02:42:38,783 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 02:42:38,783 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 199 transitions. [2018-11-23 02:42:38,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-23 02:42:38,784 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:42:38,784 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 02:42:38,784 INFO L423 AbstractCegarLoop]: === Iteration 7 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-23 02:42:38,784 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:42:38,785 INFO L82 PathProgramCache]: Analyzing trace with hash 992844728, now seen corresponding path program 1 times [2018-11-23 02:42:38,785 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 02:42:38,785 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 02:42:38,786 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:42:38,786 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:42:38,786 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:42:38,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:42:38,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:42:38,801 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 02:42:38,801 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 02:42:38,801 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 02:42:38,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 02:42:38,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 02:42:38,802 INFO L87 Difference]: Start difference. First operand 133 states and 199 transitions. Second operand 3 states. [2018-11-23 02:42:38,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:42:38,826 INFO L93 Difference]: Finished difference Result 259 states and 393 transitions. [2018-11-23 02:42:38,826 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 02:42:38,826 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14 [2018-11-23 02:42:38,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:42:38,828 INFO L225 Difference]: With dead ends: 259 [2018-11-23 02:42:38,828 INFO L226 Difference]: Without dead ends: 257 [2018-11-23 02:42:38,828 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 02:42:38,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2018-11-23 02:42:38,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 253. [2018-11-23 02:42:38,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 253 states. [2018-11-23 02:42:38,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 381 transitions. [2018-11-23 02:42:38,846 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 381 transitions. Word has length 14 [2018-11-23 02:42:38,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:42:38,846 INFO L480 AbstractCegarLoop]: Abstraction has 253 states and 381 transitions. [2018-11-23 02:42:38,846 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 02:42:38,846 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 381 transitions. [2018-11-23 02:42:38,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-23 02:42:38,847 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:42:38,847 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 02:42:38,848 INFO L423 AbstractCegarLoop]: === Iteration 8 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-23 02:42:38,848 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:42:38,848 INFO L82 PathProgramCache]: Analyzing trace with hash -1784292138, now seen corresponding path program 1 times [2018-11-23 02:42:38,848 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 02:42:38,848 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 02:42:38,849 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:42:38,849 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:42:38,849 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:42:38,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:42:38,877 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:42:38,878 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 02:42:38,878 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1d3906ac-a680-4de4-b8b7-ad3baf059e93/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 02:42:38,886 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:42:38,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:42:38,894 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 02:42:38,897 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:42:38,922 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 02:42:38,922 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2018-11-23 02:42:38,923 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 02:42:38,923 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 02:42:38,923 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-23 02:42:38,923 INFO L87 Difference]: Start difference. First operand 253 states and 381 transitions. Second operand 4 states. [2018-11-23 02:42:38,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:42:38,970 INFO L93 Difference]: Finished difference Result 453 states and 692 transitions. [2018-11-23 02:42:38,970 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 02:42:38,970 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 18 [2018-11-23 02:42:38,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:42:38,972 INFO L225 Difference]: With dead ends: 453 [2018-11-23 02:42:38,972 INFO L226 Difference]: Without dead ends: 451 [2018-11-23 02:42:38,973 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-23 02:42:38,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 451 states. [2018-11-23 02:42:38,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 451 to 361. [2018-11-23 02:42:38,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 361 states. [2018-11-23 02:42:38,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 547 transitions. [2018-11-23 02:42:38,990 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 547 transitions. Word has length 18 [2018-11-23 02:42:38,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:42:38,990 INFO L480 AbstractCegarLoop]: Abstraction has 361 states and 547 transitions. [2018-11-23 02:42:38,990 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 02:42:38,990 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 547 transitions. [2018-11-23 02:42:38,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-23 02:42:38,991 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:42:38,991 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 02:42:38,991 INFO L423 AbstractCegarLoop]: === Iteration 9 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-23 02:42:38,991 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:42:38,991 INFO L82 PathProgramCache]: Analyzing trace with hash -457667387, now seen corresponding path program 1 times [2018-11-23 02:42:38,991 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 02:42:38,992 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 02:42:38,993 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:42:38,993 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:42:38,993 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:42:38,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:42:39,018 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:42:39,018 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 02:42:39,018 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1d3906ac-a680-4de4-b8b7-ad3baf059e93/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 02:42:39,024 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:42:39,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:42:39,032 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 02:42:39,037 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:42:39,051 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 02:42:39,052 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2018-11-23 02:42:39,052 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 02:42:39,052 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 02:42:39,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-11-23 02:42:39,053 INFO L87 Difference]: Start difference. First operand 361 states and 547 transitions. Second operand 5 states. [2018-11-23 02:42:39,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:42:39,098 INFO L93 Difference]: Finished difference Result 614 states and 943 transitions. [2018-11-23 02:42:39,098 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-23 02:42:39,098 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 20 [2018-11-23 02:42:39,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:42:39,099 INFO L225 Difference]: With dead ends: 614 [2018-11-23 02:42:39,100 INFO L226 Difference]: Without dead ends: 612 [2018-11-23 02:42:39,100 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-11-23 02:42:39,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 612 states. [2018-11-23 02:42:39,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 612 to 468. [2018-11-23 02:42:39,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 468 states. [2018-11-23 02:42:39,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 468 states and 705 transitions. [2018-11-23 02:42:39,116 INFO L78 Accepts]: Start accepts. Automaton has 468 states and 705 transitions. Word has length 20 [2018-11-23 02:42:39,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:42:39,116 INFO L480 AbstractCegarLoop]: Abstraction has 468 states and 705 transitions. [2018-11-23 02:42:39,116 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 02:42:39,117 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 705 transitions. [2018-11-23 02:42:39,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-23 02:42:39,117 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:42:39,118 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 02:42:39,118 INFO L423 AbstractCegarLoop]: === Iteration 10 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-23 02:42:39,118 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:42:39,118 INFO L82 PathProgramCache]: Analyzing trace with hash -789737976, now seen corresponding path program 1 times [2018-11-23 02:42:39,119 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 02:42:39,119 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 02:42:39,120 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:42:39,120 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:42:39,120 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:42:39,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:42:39,145 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:42:39,145 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 02:42:39,145 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1d3906ac-a680-4de4-b8b7-ad3baf059e93/bin-2019/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 02:42:39,157 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:42:39,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:42:39,167 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 02:42:39,169 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:42:39,187 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 02:42:39,187 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2018-11-23 02:42:39,187 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 02:42:39,187 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 02:42:39,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-23 02:42:39,188 INFO L87 Difference]: Start difference. First operand 468 states and 705 transitions. Second operand 4 states. [2018-11-23 02:42:39,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:42:39,235 INFO L93 Difference]: Finished difference Result 838 states and 1288 transitions. [2018-11-23 02:42:39,236 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 02:42:39,236 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2018-11-23 02:42:39,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:42:39,238 INFO L225 Difference]: With dead ends: 838 [2018-11-23 02:42:39,238 INFO L226 Difference]: Without dead ends: 836 [2018-11-23 02:42:39,239 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-23 02:42:39,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 836 states. [2018-11-23 02:42:39,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 836 to 672. [2018-11-23 02:42:39,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 672 states. [2018-11-23 02:42:39,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 672 states and 1011 transitions. [2018-11-23 02:42:39,257 INFO L78 Accepts]: Start accepts. Automaton has 672 states and 1011 transitions. Word has length 22 [2018-11-23 02:42:39,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:42:39,257 INFO L480 AbstractCegarLoop]: Abstraction has 672 states and 1011 transitions. [2018-11-23 02:42:39,257 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 02:42:39,258 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 1011 transitions. [2018-11-23 02:42:39,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-23 02:42:39,258 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:42:39,259 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 02:42:39,259 INFO L423 AbstractCegarLoop]: === Iteration 11 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-23 02:42:39,259 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:42:39,259 INFO L82 PathProgramCache]: Analyzing trace with hash -1545985083, now seen corresponding path program 1 times [2018-11-23 02:42:39,259 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 02:42:39,260 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 02:42:39,261 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:42:39,261 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:42:39,261 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:42:39,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:42:39,297 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:42:39,297 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 02:42:39,297 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1d3906ac-a680-4de4-b8b7-ad3baf059e93/bin-2019/uautomizer/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 02:42:39,316 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:42:39,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:42:39,324 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 02:42:39,336 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:42:39,351 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 02:42:39,351 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2018-11-23 02:42:39,351 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 02:42:39,351 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 02:42:39,351 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-11-23 02:42:39,352 INFO L87 Difference]: Start difference. First operand 672 states and 1011 transitions. Second operand 5 states. [2018-11-23 02:42:39,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:42:39,401 INFO L93 Difference]: Finished difference Result 1143 states and 1751 transitions. [2018-11-23 02:42:39,401 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-23 02:42:39,401 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2018-11-23 02:42:39,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:42:39,404 INFO L225 Difference]: With dead ends: 1143 [2018-11-23 02:42:39,404 INFO L226 Difference]: Without dead ends: 1141 [2018-11-23 02:42:39,405 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-11-23 02:42:39,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1141 states. [2018-11-23 02:42:39,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1141 to 875. [2018-11-23 02:42:39,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 875 states. [2018-11-23 02:42:39,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 875 states to 875 states and 1301 transitions. [2018-11-23 02:42:39,429 INFO L78 Accepts]: Start accepts. Automaton has 875 states and 1301 transitions. Word has length 24 [2018-11-23 02:42:39,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:42:39,429 INFO L480 AbstractCegarLoop]: Abstraction has 875 states and 1301 transitions. [2018-11-23 02:42:39,429 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 02:42:39,429 INFO L276 IsEmpty]: Start isEmpty. Operand 875 states and 1301 transitions. [2018-11-23 02:42:39,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-23 02:42:39,430 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:42:39,430 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1] [2018-11-23 02:42:39,431 INFO L423 AbstractCegarLoop]: === Iteration 12 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-23 02:42:39,431 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:42:39,431 INFO L82 PathProgramCache]: Analyzing trace with hash 582614026, now seen corresponding path program 2 times [2018-11-23 02:42:39,431 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 02:42:39,431 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 02:42:39,432 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:42:39,432 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:42:39,432 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:42:39,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:42:39,464 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:42:39,465 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 02:42:39,465 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1d3906ac-a680-4de4-b8b7-ad3baf059e93/bin-2019/uautomizer/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 02:42:39,482 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-11-23 02:42:39,495 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-11-23 02:42:39,495 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-23 02:42:39,497 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 02:42:39,501 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:42:39,522 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 02:42:39,522 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2018-11-23 02:42:39,522 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 02:42:39,522 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 02:42:39,523 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-11-23 02:42:39,523 INFO L87 Difference]: Start difference. First operand 875 states and 1301 transitions. Second operand 5 states. [2018-11-23 02:42:39,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:42:39,579 INFO L93 Difference]: Finished difference Result 1508 states and 2270 transitions. [2018-11-23 02:42:39,579 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-23 02:42:39,579 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2018-11-23 02:42:39,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:42:39,582 INFO L225 Difference]: With dead ends: 1508 [2018-11-23 02:42:39,583 INFO L226 Difference]: Without dead ends: 1506 [2018-11-23 02:42:39,583 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-11-23 02:42:39,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1506 states. [2018-11-23 02:42:39,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1506 to 1197. [2018-11-23 02:42:39,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1197 states. [2018-11-23 02:42:39,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1197 states to 1197 states and 1772 transitions. [2018-11-23 02:42:39,614 INFO L78 Accepts]: Start accepts. Automaton has 1197 states and 1772 transitions. Word has length 25 [2018-11-23 02:42:39,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:42:39,615 INFO L480 AbstractCegarLoop]: Abstraction has 1197 states and 1772 transitions. [2018-11-23 02:42:39,615 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 02:42:39,615 INFO L276 IsEmpty]: Start isEmpty. Operand 1197 states and 1772 transitions. [2018-11-23 02:42:39,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-23 02:42:39,616 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:42:39,616 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1] [2018-11-23 02:42:39,617 INFO L423 AbstractCegarLoop]: === Iteration 13 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-23 02:42:39,617 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:42:39,617 INFO L82 PathProgramCache]: Analyzing trace with hash 1259703649, now seen corresponding path program 1 times [2018-11-23 02:42:39,617 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 02:42:39,617 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 02:42:39,618 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:42:39,618 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 02:42:39,618 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:42:39,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:42:39,655 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:42:39,655 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 02:42:39,655 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1d3906ac-a680-4de4-b8b7-ad3baf059e93/bin-2019/uautomizer/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 02:42:39,669 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:42:39,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:42:39,679 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 02:42:39,683 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:42:39,708 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 02:42:39,708 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2018-11-23 02:42:39,708 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 02:42:39,708 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 02:42:39,708 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-11-23 02:42:39,709 INFO L87 Difference]: Start difference. First operand 1197 states and 1772 transitions. Second operand 5 states. [2018-11-23 02:42:39,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:42:39,773 INFO L93 Difference]: Finished difference Result 1955 states and 2906 transitions. [2018-11-23 02:42:39,773 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-23 02:42:39,774 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2018-11-23 02:42:39,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:42:39,778 INFO L225 Difference]: With dead ends: 1955 [2018-11-23 02:42:39,778 INFO L226 Difference]: Without dead ends: 1954 [2018-11-23 02:42:39,779 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-11-23 02:42:39,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1954 states. [2018-11-23 02:42:39,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1954 to 1433. [2018-11-23 02:42:39,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1433 states. [2018-11-23 02:42:39,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1433 states to 1433 states and 2118 transitions. [2018-11-23 02:42:39,817 INFO L78 Accepts]: Start accepts. Automaton has 1433 states and 2118 transitions. Word has length 29 [2018-11-23 02:42:39,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:42:39,817 INFO L480 AbstractCegarLoop]: Abstraction has 1433 states and 2118 transitions. [2018-11-23 02:42:39,817 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 02:42:39,817 INFO L276 IsEmpty]: Start isEmpty. Operand 1433 states and 2118 transitions. [2018-11-23 02:42:39,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-23 02:42:39,818 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:42:39,818 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1] [2018-11-23 02:42:39,819 INFO L423 AbstractCegarLoop]: === Iteration 14 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-23 02:42:39,819 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:42:39,819 INFO L82 PathProgramCache]: Analyzing trace with hash -886740333, now seen corresponding path program 2 times [2018-11-23 02:42:39,819 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 02:42:39,819 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 02:42:39,820 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:42:39,820 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:42:39,820 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:42:39,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:42:39,863 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:42:39,863 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 02:42:39,864 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1d3906ac-a680-4de4-b8b7-ad3baf059e93/bin-2019/uautomizer/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 02:42:39,881 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-11-23 02:42:39,898 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-11-23 02:42:39,899 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-23 02:42:39,900 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 02:42:39,919 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:42:39,935 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 02:42:39,935 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2018-11-23 02:42:39,935 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 02:42:39,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 02:42:39,935 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-11-23 02:42:39,935 INFO L87 Difference]: Start difference. First operand 1433 states and 2118 transitions. Second operand 5 states. [2018-11-23 02:42:39,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:42:39,985 INFO L93 Difference]: Finished difference Result 2466 states and 3697 transitions. [2018-11-23 02:42:39,986 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-23 02:42:39,986 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2018-11-23 02:42:39,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:42:39,990 INFO L225 Difference]: With dead ends: 2466 [2018-11-23 02:42:39,991 INFO L226 Difference]: Without dead ends: 2464 [2018-11-23 02:42:39,992 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-11-23 02:42:39,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2464 states. [2018-11-23 02:42:40,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2464 to 1963. [2018-11-23 02:42:40,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1963 states. [2018-11-23 02:42:40,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1963 states to 1963 states and 2886 transitions. [2018-11-23 02:42:40,031 INFO L78 Accepts]: Start accepts. Automaton has 1963 states and 2886 transitions. Word has length 31 [2018-11-23 02:42:40,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:42:40,031 INFO L480 AbstractCegarLoop]: Abstraction has 1963 states and 2886 transitions. [2018-11-23 02:42:40,031 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 02:42:40,031 INFO L276 IsEmpty]: Start isEmpty. Operand 1963 states and 2886 transitions. [2018-11-23 02:42:40,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-23 02:42:40,032 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:42:40,032 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1] [2018-11-23 02:42:40,032 INFO L423 AbstractCegarLoop]: === Iteration 15 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-23 02:42:40,033 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:42:40,033 INFO L82 PathProgramCache]: Analyzing trace with hash -716039594, now seen corresponding path program 3 times [2018-11-23 02:42:40,033 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 02:42:40,033 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 02:42:40,034 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:42:40,034 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 02:42:40,034 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:42:40,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:42:40,086 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:42:40,087 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 02:42:40,087 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1d3906ac-a680-4de4-b8b7-ad3baf059e93/bin-2019/uautomizer/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 02:42:40,094 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-11-23 02:42:40,114 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2018-11-23 02:42:40,115 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-23 02:42:40,116 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 02:42:40,120 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:42:40,137 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 02:42:40,137 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2018-11-23 02:42:40,138 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 02:42:40,138 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 02:42:40,138 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2018-11-23 02:42:40,138 INFO L87 Difference]: Start difference. First operand 1963 states and 2886 transitions. Second operand 6 states. [2018-11-23 02:42:40,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:42:40,208 INFO L93 Difference]: Finished difference Result 3177 states and 4736 transitions. [2018-11-23 02:42:40,208 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 02:42:40,208 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2018-11-23 02:42:40,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:42:40,214 INFO L225 Difference]: With dead ends: 3177 [2018-11-23 02:42:40,214 INFO L226 Difference]: Without dead ends: 3175 [2018-11-23 02:42:40,215 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2018-11-23 02:42:40,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3175 states. [2018-11-23 02:42:40,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3175 to 2567. [2018-11-23 02:42:40,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2567 states. [2018-11-23 02:42:40,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2567 states to 2567 states and 3753 transitions. [2018-11-23 02:42:40,269 INFO L78 Accepts]: Start accepts. Automaton has 2567 states and 3753 transitions. Word has length 32 [2018-11-23 02:42:40,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:42:40,269 INFO L480 AbstractCegarLoop]: Abstraction has 2567 states and 3753 transitions. [2018-11-23 02:42:40,269 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 02:42:40,269 INFO L276 IsEmpty]: Start isEmpty. Operand 2567 states and 3753 transitions. [2018-11-23 02:42:40,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-23 02:42:40,270 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:42:40,270 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1] [2018-11-23 02:42:40,271 INFO L423 AbstractCegarLoop]: === Iteration 16 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-23 02:42:40,271 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:42:40,271 INFO L82 PathProgramCache]: Analyzing trace with hash 1327564892, now seen corresponding path program 1 times [2018-11-23 02:42:40,271 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 02:42:40,271 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 02:42:40,272 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:42:40,272 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 02:42:40,272 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:42:40,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:42:40,311 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:42:40,311 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 02:42:40,311 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1d3906ac-a680-4de4-b8b7-ad3baf059e93/bin-2019/uautomizer/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 02:42:40,333 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:42:40,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:42:40,341 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 02:42:40,346 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:42:40,361 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 02:42:40,361 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2018-11-23 02:42:40,361 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 02:42:40,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 02:42:40,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-11-23 02:42:40,362 INFO L87 Difference]: Start difference. First operand 2567 states and 3753 transitions. Second operand 5 states. [2018-11-23 02:42:40,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:42:40,455 INFO L93 Difference]: Finished difference Result 4186 states and 6159 transitions. [2018-11-23 02:42:40,455 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-23 02:42:40,455 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 35 [2018-11-23 02:42:40,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:42:40,463 INFO L225 Difference]: With dead ends: 4186 [2018-11-23 02:42:40,463 INFO L226 Difference]: Without dead ends: 4185 [2018-11-23 02:42:40,465 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-11-23 02:42:40,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4185 states. [2018-11-23 02:42:40,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4185 to 3075. [2018-11-23 02:42:40,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3075 states. [2018-11-23 02:42:40,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3075 states to 3075 states and 4487 transitions. [2018-11-23 02:42:40,535 INFO L78 Accepts]: Start accepts. Automaton has 3075 states and 4487 transitions. Word has length 35 [2018-11-23 02:42:40,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:42:40,536 INFO L480 AbstractCegarLoop]: Abstraction has 3075 states and 4487 transitions. [2018-11-23 02:42:40,536 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 02:42:40,536 INFO L276 IsEmpty]: Start isEmpty. Operand 3075 states and 4487 transitions. [2018-11-23 02:42:40,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-23 02:42:40,537 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:42:40,537 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 1, 1, 1, 1, 1, 1] [2018-11-23 02:42:40,537 INFO L423 AbstractCegarLoop]: === Iteration 17 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-23 02:42:40,537 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:42:40,537 INFO L82 PathProgramCache]: Analyzing trace with hash 1468116811, now seen corresponding path program 2 times [2018-11-23 02:42:40,537 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 02:42:40,538 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 02:42:40,538 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:42:40,538 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:42:40,539 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:42:40,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:42:40,587 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:42:40,587 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 02:42:40,587 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1d3906ac-a680-4de4-b8b7-ad3baf059e93/bin-2019/uautomizer/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 02:42:40,595 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-11-23 02:42:40,606 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-11-23 02:42:40,606 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-23 02:42:40,608 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 02:42:40,613 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:42:40,628 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 02:42:40,628 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2018-11-23 02:42:40,629 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 02:42:40,629 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 02:42:40,629 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2018-11-23 02:42:40,629 INFO L87 Difference]: Start difference. First operand 3075 states and 4487 transitions. Second operand 6 states. [2018-11-23 02:42:40,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:42:40,738 INFO L93 Difference]: Finished difference Result 4731 states and 6951 transitions. [2018-11-23 02:42:40,738 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 02:42:40,738 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 37 [2018-11-23 02:42:40,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:42:40,747 INFO L225 Difference]: With dead ends: 4731 [2018-11-23 02:42:40,747 INFO L226 Difference]: Without dead ends: 4730 [2018-11-23 02:42:40,749 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2018-11-23 02:42:40,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4730 states. [2018-11-23 02:42:40,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4730 to 3463. [2018-11-23 02:42:40,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3463 states. [2018-11-23 02:42:40,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3463 states to 3463 states and 5051 transitions. [2018-11-23 02:42:40,829 INFO L78 Accepts]: Start accepts. Automaton has 3463 states and 5051 transitions. Word has length 37 [2018-11-23 02:42:40,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:42:40,830 INFO L480 AbstractCegarLoop]: Abstraction has 3463 states and 5051 transitions. [2018-11-23 02:42:40,830 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 02:42:40,830 INFO L276 IsEmpty]: Start isEmpty. Operand 3463 states and 5051 transitions. [2018-11-23 02:42:40,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-23 02:42:40,831 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:42:40,831 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 1, 1, 1, 1, 1, 1] [2018-11-23 02:42:40,831 INFO L423 AbstractCegarLoop]: === Iteration 18 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-23 02:42:40,832 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:42:40,832 INFO L82 PathProgramCache]: Analyzing trace with hash -1042968950, now seen corresponding path program 4 times [2018-11-23 02:42:40,832 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 02:42:40,832 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 02:42:40,833 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:42:40,833 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 02:42:40,833 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:42:40,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:42:40,883 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:42:40,883 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 02:42:40,883 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1d3906ac-a680-4de4-b8b7-ad3baf059e93/bin-2019/uautomizer/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 02:42:40,892 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-11-23 02:42:40,902 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-11-23 02:42:40,902 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-23 02:42:40,904 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 02:42:40,910 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:42:40,926 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 02:42:40,926 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2018-11-23 02:42:40,926 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 02:42:40,927 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 02:42:40,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2018-11-23 02:42:40,927 INFO L87 Difference]: Start difference. First operand 3463 states and 5051 transitions. Second operand 7 states. [2018-11-23 02:42:41,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:42:41,056 INFO L93 Difference]: Finished difference Result 5330 states and 7888 transitions. [2018-11-23 02:42:41,057 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 02:42:41,057 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 39 [2018-11-23 02:42:41,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:42:41,071 INFO L225 Difference]: With dead ends: 5330 [2018-11-23 02:42:41,071 INFO L226 Difference]: Without dead ends: 5328 [2018-11-23 02:42:41,073 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2018-11-23 02:42:41,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5328 states. [2018-11-23 02:42:41,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5328 to 4381. [2018-11-23 02:42:41,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4381 states. [2018-11-23 02:42:41,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4381 states to 4381 states and 6357 transitions. [2018-11-23 02:42:41,190 INFO L78 Accepts]: Start accepts. Automaton has 4381 states and 6357 transitions. Word has length 39 [2018-11-23 02:42:41,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:42:41,190 INFO L480 AbstractCegarLoop]: Abstraction has 4381 states and 6357 transitions. [2018-11-23 02:42:41,190 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 02:42:41,190 INFO L276 IsEmpty]: Start isEmpty. Operand 4381 states and 6357 transitions. [2018-11-23 02:42:41,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-23 02:42:41,191 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:42:41,192 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1] [2018-11-23 02:42:41,192 INFO L423 AbstractCegarLoop]: === Iteration 19 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-23 02:42:41,192 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:42:41,192 INFO L82 PathProgramCache]: Analyzing trace with hash 535132776, now seen corresponding path program 3 times [2018-11-23 02:42:41,192 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 02:42:41,192 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 02:42:41,193 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:42:41,193 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 02:42:41,193 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:42:41,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:42:41,238 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:42:41,238 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 02:42:41,238 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1d3906ac-a680-4de4-b8b7-ad3baf059e93/bin-2019/uautomizer/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 02:42:41,256 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-11-23 02:42:41,267 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2018-11-23 02:42:41,267 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-23 02:42:41,269 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 02:42:41,273 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:42:41,291 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 02:42:41,291 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2018-11-23 02:42:41,291 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 02:42:41,291 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 02:42:41,292 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2018-11-23 02:42:41,292 INFO L87 Difference]: Start difference. First operand 4381 states and 6357 transitions. Second operand 6 states. [2018-11-23 02:42:41,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:42:41,422 INFO L93 Difference]: Finished difference Result 7073 states and 10429 transitions. [2018-11-23 02:42:41,423 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 02:42:41,423 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 40 [2018-11-23 02:42:41,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:42:41,435 INFO L225 Difference]: With dead ends: 7073 [2018-11-23 02:42:41,435 INFO L226 Difference]: Without dead ends: 7071 [2018-11-23 02:42:41,438 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2018-11-23 02:42:41,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7071 states. [2018-11-23 02:42:41,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7071 to 5733. [2018-11-23 02:42:41,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5733 states. [2018-11-23 02:42:41,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5733 states to 5733 states and 8269 transitions. [2018-11-23 02:42:41,562 INFO L78 Accepts]: Start accepts. Automaton has 5733 states and 8269 transitions. Word has length 40 [2018-11-23 02:42:41,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:42:41,563 INFO L480 AbstractCegarLoop]: Abstraction has 5733 states and 8269 transitions. [2018-11-23 02:42:41,563 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 02:42:41,563 INFO L276 IsEmpty]: Start isEmpty. Operand 5733 states and 8269 transitions. [2018-11-23 02:42:41,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-23 02:42:41,564 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:42:41,564 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 1, 1, 1, 1, 1, 1] [2018-11-23 02:42:41,565 INFO L423 AbstractCegarLoop]: === Iteration 20 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-23 02:42:41,565 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:42:41,565 INFO L82 PathProgramCache]: Analyzing trace with hash -1865791691, now seen corresponding path program 3 times [2018-11-23 02:42:41,565 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 02:42:41,565 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 02:42:41,566 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:42:41,566 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 02:42:41,566 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:42:41,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:42:41,616 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:42:41,616 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 02:42:41,616 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1d3906ac-a680-4de4-b8b7-ad3baf059e93/bin-2019/uautomizer/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 02:42:41,626 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-11-23 02:42:41,643 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2018-11-23 02:42:41,643 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-23 02:42:41,645 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 02:42:41,650 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:42:41,675 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 02:42:41,675 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2018-11-23 02:42:41,676 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 02:42:41,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 02:42:41,676 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2018-11-23 02:42:41,676 INFO L87 Difference]: Start difference. First operand 5733 states and 8269 transitions. Second operand 7 states. [2018-11-23 02:42:41,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:42:41,948 INFO L93 Difference]: Finished difference Result 8442 states and 12279 transitions. [2018-11-23 02:42:41,949 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 02:42:41,949 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 45 [2018-11-23 02:42:41,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:42:41,964 INFO L225 Difference]: With dead ends: 8442 [2018-11-23 02:42:41,964 INFO L226 Difference]: Without dead ends: 8441 [2018-11-23 02:42:41,969 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2018-11-23 02:42:41,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8441 states. [2018-11-23 02:42:42,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8441 to 6241. [2018-11-23 02:42:42,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6241 states. [2018-11-23 02:42:42,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6241 states to 6241 states and 9003 transitions. [2018-11-23 02:42:42,167 INFO L78 Accepts]: Start accepts. Automaton has 6241 states and 9003 transitions. Word has length 45 [2018-11-23 02:42:42,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:42:42,167 INFO L480 AbstractCegarLoop]: Abstraction has 6241 states and 9003 transitions. [2018-11-23 02:42:42,168 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 02:42:42,168 INFO L276 IsEmpty]: Start isEmpty. Operand 6241 states and 9003 transitions. [2018-11-23 02:42:42,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-23 02:42:42,169 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:42:42,169 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 1, 1, 1, 1, 1, 1] [2018-11-23 02:42:42,169 INFO L423 AbstractCegarLoop]: === Iteration 21 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-23 02:42:42,170 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:42:42,170 INFO L82 PathProgramCache]: Analyzing trace with hash 702806639, now seen corresponding path program 2 times [2018-11-23 02:42:42,170 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 02:42:42,170 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 02:42:42,171 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:42:42,171 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 02:42:42,171 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:42:42,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:42:42,241 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:42:42,241 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 02:42:42,241 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1d3906ac-a680-4de4-b8b7-ad3baf059e93/bin-2019/uautomizer/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 02:42:42,251 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-11-23 02:42:42,263 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-11-23 02:42:42,263 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-23 02:42:42,265 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 02:42:42,270 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:42:42,296 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 02:42:42,296 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2018-11-23 02:42:42,296 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 02:42:42,296 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 02:42:42,297 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2018-11-23 02:42:42,297 INFO L87 Difference]: Start difference. First operand 6241 states and 9003 transitions. Second operand 6 states. [2018-11-23 02:42:42,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:42:42,469 INFO L93 Difference]: Finished difference Result 9588 states and 13947 transitions. [2018-11-23 02:42:42,470 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 02:42:42,470 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 45 [2018-11-23 02:42:42,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:42:42,482 INFO L225 Difference]: With dead ends: 9588 [2018-11-23 02:42:42,482 INFO L226 Difference]: Without dead ends: 9587 [2018-11-23 02:42:42,486 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2018-11-23 02:42:42,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9587 states. [2018-11-23 02:42:42,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9587 to 7029. [2018-11-23 02:42:42,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7029 states. [2018-11-23 02:42:42,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7029 states to 7029 states and 10135 transitions. [2018-11-23 02:42:42,630 INFO L78 Accepts]: Start accepts. Automaton has 7029 states and 10135 transitions. Word has length 45 [2018-11-23 02:42:42,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:42:42,631 INFO L480 AbstractCegarLoop]: Abstraction has 7029 states and 10135 transitions. [2018-11-23 02:42:42,631 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 02:42:42,631 INFO L276 IsEmpty]: Start isEmpty. Operand 7029 states and 10135 transitions. [2018-11-23 02:42:42,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-23 02:42:42,632 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:42:42,632 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 5, 5, 1, 1, 1, 1, 1, 1] [2018-11-23 02:42:42,633 INFO L423 AbstractCegarLoop]: === Iteration 22 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-23 02:42:42,633 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:42:42,633 INFO L82 PathProgramCache]: Analyzing trace with hash 1845802966, now seen corresponding path program 5 times [2018-11-23 02:42:42,633 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 02:42:42,633 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 02:42:42,634 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:42:42,634 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 02:42:42,634 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:42:42,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:42:42,679 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:42:42,680 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 02:42:42,680 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1d3906ac-a680-4de4-b8b7-ad3baf059e93/bin-2019/uautomizer/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 02:42:42,692 INFO L103 rtionOrderModulation]: Keeping assertion order INSIDE_LOOP_FIRST1 [2018-11-23 02:42:42,725 INFO L249 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2018-11-23 02:42:42,725 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-23 02:42:42,726 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 02:42:42,730 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:42:42,746 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 02:42:42,746 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2018-11-23 02:42:42,747 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 02:42:42,747 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 02:42:42,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2018-11-23 02:42:42,748 INFO L87 Difference]: Start difference. First operand 7029 states and 10135 transitions. Second operand 8 states. [2018-11-23 02:42:42,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:42:42,939 INFO L93 Difference]: Finished difference Result 10385 states and 15210 transitions. [2018-11-23 02:42:42,940 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 02:42:42,941 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 46 [2018-11-23 02:42:42,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:42:42,959 INFO L225 Difference]: With dead ends: 10385 [2018-11-23 02:42:42,959 INFO L226 Difference]: Without dead ends: 10383 [2018-11-23 02:42:42,964 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2018-11-23 02:42:42,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10383 states. [2018-11-23 02:42:43,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10383 to 8669. [2018-11-23 02:42:43,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8669 states. [2018-11-23 02:42:43,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8669 states to 8669 states and 12442 transitions. [2018-11-23 02:42:43,205 INFO L78 Accepts]: Start accepts. Automaton has 8669 states and 12442 transitions. Word has length 46 [2018-11-23 02:42:43,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:42:43,206 INFO L480 AbstractCegarLoop]: Abstraction has 8669 states and 12442 transitions. [2018-11-23 02:42:43,206 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 02:42:43,206 INFO L276 IsEmpty]: Start isEmpty. Operand 8669 states and 12442 transitions. [2018-11-23 02:42:43,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-23 02:42:43,209 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:42:43,209 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 1, 1, 1, 1, 1, 1] [2018-11-23 02:42:43,210 INFO L423 AbstractCegarLoop]: === Iteration 23 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-23 02:42:43,210 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:42:43,210 INFO L82 PathProgramCache]: Analyzing trace with hash -1310627277, now seen corresponding path program 4 times [2018-11-23 02:42:43,210 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 02:42:43,210 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 02:42:43,211 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:42:43,211 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 02:42:43,211 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:42:43,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:42:43,264 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 86 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:42:43,264 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 02:42:43,264 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1d3906ac-a680-4de4-b8b7-ad3baf059e93/bin-2019/uautomizer/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 02:42:43,281 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-11-23 02:42:43,295 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-11-23 02:42:43,295 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-23 02:42:43,296 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 02:42:43,301 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 86 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:42:43,327 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 02:42:43,327 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2018-11-23 02:42:43,327 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 02:42:43,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 02:42:43,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2018-11-23 02:42:43,328 INFO L87 Difference]: Start difference. First operand 8669 states and 12442 transitions. Second operand 7 states. [2018-11-23 02:42:43,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:42:43,522 INFO L93 Difference]: Finished difference Result 13316 states and 19433 transitions. [2018-11-23 02:42:43,522 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 02:42:43,522 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 49 [2018-11-23 02:42:43,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:42:43,535 INFO L225 Difference]: With dead ends: 13316 [2018-11-23 02:42:43,535 INFO L226 Difference]: Without dead ends: 13314 [2018-11-23 02:42:43,539 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2018-11-23 02:42:43,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13314 states. [2018-11-23 02:42:43,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13314 to 10971. [2018-11-23 02:42:43,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10971 states. [2018-11-23 02:42:43,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10971 states to 10971 states and 15661 transitions. [2018-11-23 02:42:43,852 INFO L78 Accepts]: Start accepts. Automaton has 10971 states and 15661 transitions. Word has length 49 [2018-11-23 02:42:43,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:42:43,852 INFO L480 AbstractCegarLoop]: Abstraction has 10971 states and 15661 transitions. [2018-11-23 02:42:43,852 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 02:42:43,852 INFO L276 IsEmpty]: Start isEmpty. Operand 10971 states and 15661 transitions. [2018-11-23 02:42:43,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-23 02:42:43,854 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:42:43,854 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 6, 6, 1, 1, 1, 1, 1, 1] [2018-11-23 02:42:43,854 INFO L423 AbstractCegarLoop]: === Iteration 24 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-23 02:42:43,854 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:42:43,854 INFO L82 PathProgramCache]: Analyzing trace with hash 1711194378, now seen corresponding path program 6 times [2018-11-23 02:42:43,855 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 02:42:43,855 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 02:42:43,855 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:42:43,856 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 02:42:43,856 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:42:43,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:42:43,912 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 141 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:42:43,912 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 02:42:43,912 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1d3906ac-a680-4de4-b8b7-ad3baf059e93/bin-2019/uautomizer/z3 Starting monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 02:42:43,926 INFO L103 rtionOrderModulation]: Keeping assertion order MIX_INSIDE_OUTSIDE [2018-11-23 02:42:43,945 INFO L249 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2018-11-23 02:42:43,945 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-23 02:42:43,946 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 02:42:43,952 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 141 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:42:43,972 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 02:42:43,972 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 8 [2018-11-23 02:42:43,972 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 02:42:43,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 02:42:43,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2018-11-23 02:42:43,973 INFO L87 Difference]: Start difference. First operand 10971 states and 15661 transitions. Second operand 9 states. [2018-11-23 02:42:44,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:42:44,176 INFO L93 Difference]: Finished difference Result 15626 states and 22669 transitions. [2018-11-23 02:42:44,176 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-23 02:42:44,176 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 53 [2018-11-23 02:42:44,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:42:44,189 INFO L225 Difference]: With dead ends: 15626 [2018-11-23 02:42:44,189 INFO L226 Difference]: Without dead ends: 15624 [2018-11-23 02:42:44,194 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2018-11-23 02:42:44,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15624 states. [2018-11-23 02:42:44,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15624 to 13095. [2018-11-23 02:42:44,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13095 states. [2018-11-23 02:42:44,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13095 states to 13095 states and 18613 transitions. [2018-11-23 02:42:44,418 INFO L78 Accepts]: Start accepts. Automaton has 13095 states and 18613 transitions. Word has length 53 [2018-11-23 02:42:44,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:42:44,418 INFO L480 AbstractCegarLoop]: Abstraction has 13095 states and 18613 transitions. [2018-11-23 02:42:44,419 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 02:42:44,419 INFO L276 IsEmpty]: Start isEmpty. Operand 13095 states and 18613 transitions. [2018-11-23 02:42:44,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-23 02:42:44,420 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:42:44,420 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 5, 1, 1, 1, 1, 1, 1] [2018-11-23 02:42:44,421 INFO L423 AbstractCegarLoop]: === Iteration 25 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-23 02:42:44,421 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:42:44,421 INFO L82 PathProgramCache]: Analyzing trace with hash -434547425, now seen corresponding path program 4 times [2018-11-23 02:42:44,421 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 02:42:44,421 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 02:42:44,422 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:42:44,422 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 02:42:44,422 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:42:44,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:42:44,487 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:42:44,487 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 02:42:44,487 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1d3906ac-a680-4de4-b8b7-ad3baf059e93/bin-2019/uautomizer/z3 Starting monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 02:42:44,504 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-11-23 02:42:44,522 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-11-23 02:42:44,522 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-23 02:42:44,523 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 02:42:44,528 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:42:44,543 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 02:42:44,543 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2018-11-23 02:42:44,543 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 02:42:44,543 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 02:42:44,544 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2018-11-23 02:42:44,544 INFO L87 Difference]: Start difference. First operand 13095 states and 18613 transitions. Second operand 8 states. [2018-11-23 02:42:44,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:42:44,838 INFO L93 Difference]: Finished difference Result 19894 states and 28525 transitions. [2018-11-23 02:42:44,839 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 02:42:44,839 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 53 [2018-11-23 02:42:44,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:42:44,854 INFO L225 Difference]: With dead ends: 19894 [2018-11-23 02:42:44,854 INFO L226 Difference]: Without dead ends: 19893 [2018-11-23 02:42:44,858 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2018-11-23 02:42:44,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19893 states. [2018-11-23 02:42:45,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19893 to 14133. [2018-11-23 02:42:45,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14133 states. [2018-11-23 02:42:45,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14133 states to 14133 states and 20101 transitions. [2018-11-23 02:42:45,167 INFO L78 Accepts]: Start accepts. Automaton has 14133 states and 20101 transitions. Word has length 53 [2018-11-23 02:42:45,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:42:45,168 INFO L480 AbstractCegarLoop]: Abstraction has 14133 states and 20101 transitions. [2018-11-23 02:42:45,168 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 02:42:45,168 INFO L276 IsEmpty]: Start isEmpty. Operand 14133 states and 20101 transitions. [2018-11-23 02:42:45,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-11-23 02:42:45,169 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:42:45,169 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 1, 1, 1, 1, 1, 1] [2018-11-23 02:42:45,170 INFO L423 AbstractCegarLoop]: === Iteration 26 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-23 02:42:45,170 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:42:45,170 INFO L82 PathProgramCache]: Analyzing trace with hash 941207746, now seen corresponding path program 3 times [2018-11-23 02:42:45,170 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 02:42:45,170 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 02:42:45,171 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:42:45,171 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 02:42:45,171 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:42:45,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:42:45,226 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:42:45,226 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 02:42:45,226 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1d3906ac-a680-4de4-b8b7-ad3baf059e93/bin-2019/uautomizer/z3 Starting monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 02:42:45,240 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-11-23 02:42:45,271 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2018-11-23 02:42:45,271 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-23 02:42:45,272 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 02:42:45,276 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:42:45,291 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 02:42:45,291 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2018-11-23 02:42:45,292 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 02:42:45,292 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 02:42:45,292 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2018-11-23 02:42:45,292 INFO L87 Difference]: Start difference. First operand 14133 states and 20101 transitions. Second operand 7 states. [2018-11-23 02:42:45,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:42:45,558 INFO L93 Difference]: Finished difference Result 20778 states and 29841 transitions. [2018-11-23 02:42:45,558 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 02:42:45,558 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 55 [2018-11-23 02:42:45,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:42:45,575 INFO L225 Difference]: With dead ends: 20778 [2018-11-23 02:42:45,575 INFO L226 Difference]: Without dead ends: 20777 [2018-11-23 02:42:45,580 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2018-11-23 02:42:45,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20777 states. [2018-11-23 02:42:45,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20777 to 15385. [2018-11-23 02:42:45,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15385 states. [2018-11-23 02:42:45,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15385 states to 15385 states and 21885 transitions. [2018-11-23 02:42:45,900 INFO L78 Accepts]: Start accepts. Automaton has 15385 states and 21885 transitions. Word has length 55 [2018-11-23 02:42:45,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:42:45,900 INFO L480 AbstractCegarLoop]: Abstraction has 15385 states and 21885 transitions. [2018-11-23 02:42:45,901 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 02:42:45,901 INFO L276 IsEmpty]: Start isEmpty. Operand 15385 states and 21885 transitions. [2018-11-23 02:42:45,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-23 02:42:45,902 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:42:45,902 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 5, 5, 1, 1, 1, 1, 1, 1] [2018-11-23 02:42:45,903 INFO L423 AbstractCegarLoop]: === Iteration 27 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-23 02:42:45,903 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:42:45,903 INFO L82 PathProgramCache]: Analyzing trace with hash 1897860808, now seen corresponding path program 5 times [2018-11-23 02:42:45,903 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 02:42:45,903 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 02:42:45,904 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:42:45,904 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 02:42:45,904 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:42:45,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:42:45,956 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 130 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:42:45,956 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 02:42:45,957 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1d3906ac-a680-4de4-b8b7-ad3baf059e93/bin-2019/uautomizer/z3 Starting monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 02:42:45,967 INFO L103 rtionOrderModulation]: Keeping assertion order INSIDE_LOOP_FIRST1 [2018-11-23 02:42:45,977 INFO L249 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2018-11-23 02:42:45,977 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-23 02:42:45,978 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 02:42:45,981 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 130 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:42:45,996 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 02:42:45,996 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2018-11-23 02:42:45,996 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 02:42:45,996 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 02:42:45,997 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2018-11-23 02:42:45,997 INFO L87 Difference]: Start difference. First operand 15385 states and 21885 transitions. Second operand 8 states. [2018-11-23 02:42:46,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:42:46,289 INFO L93 Difference]: Finished difference Result 22701 states and 32845 transitions. [2018-11-23 02:42:46,290 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 02:42:46,290 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 58 [2018-11-23 02:42:46,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:42:46,306 INFO L225 Difference]: With dead ends: 22701 [2018-11-23 02:42:46,306 INFO L226 Difference]: Without dead ends: 22699 [2018-11-23 02:42:46,310 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2018-11-23 02:42:46,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22699 states. [2018-11-23 02:42:46,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22699 to 18977. [2018-11-23 02:42:46,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18977 states. [2018-11-23 02:42:46,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18977 states to 18977 states and 26868 transitions. [2018-11-23 02:42:46,639 INFO L78 Accepts]: Start accepts. Automaton has 18977 states and 26868 transitions. Word has length 58 [2018-11-23 02:42:46,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:42:46,639 INFO L480 AbstractCegarLoop]: Abstraction has 18977 states and 26868 transitions. [2018-11-23 02:42:46,639 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 02:42:46,639 INFO L276 IsEmpty]: Start isEmpty. Operand 18977 states and 26868 transitions. [2018-11-23 02:42:46,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-23 02:42:46,641 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:42:46,641 INFO L402 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 7, 7, 1, 1, 1, 1, 1, 1] [2018-11-23 02:42:46,641 INFO L423 AbstractCegarLoop]: === Iteration 28 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-23 02:42:46,641 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:42:46,641 INFO L82 PathProgramCache]: Analyzing trace with hash 1695921494, now seen corresponding path program 7 times [2018-11-23 02:42:46,641 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 02:42:46,641 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 02:42:46,642 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:42:46,642 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 02:42:46,642 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:42:46,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:42:46,717 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 0 proven. 189 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:42:46,717 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 02:42:46,717 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1d3906ac-a680-4de4-b8b7-ad3baf059e93/bin-2019/uautomizer/z3 Starting monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 02:42:46,730 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:42:46,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:42:46,741 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 02:42:46,747 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 0 proven. 189 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:42:46,763 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 02:42:46,763 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 9 [2018-11-23 02:42:46,763 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 02:42:46,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 02:42:46,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2018-11-23 02:42:46,764 INFO L87 Difference]: Start difference. First operand 18977 states and 26868 transitions. Second operand 10 states. [2018-11-23 02:42:47,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:42:47,248 INFO L93 Difference]: Finished difference Result 26255 states and 37782 transitions. [2018-11-23 02:42:47,249 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-23 02:42:47,249 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 60 [2018-11-23 02:42:47,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:42:47,277 INFO L225 Difference]: With dead ends: 26255 [2018-11-23 02:42:47,277 INFO L226 Difference]: Without dead ends: 26253 [2018-11-23 02:42:47,281 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2018-11-23 02:42:47,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26253 states. [2018-11-23 02:42:47,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26253 to 22315. [2018-11-23 02:42:47,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22315 states. [2018-11-23 02:42:47,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22315 states to 22315 states and 31477 transitions. [2018-11-23 02:42:47,828 INFO L78 Accepts]: Start accepts. Automaton has 22315 states and 31477 transitions. Word has length 60 [2018-11-23 02:42:47,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:42:47,828 INFO L480 AbstractCegarLoop]: Abstraction has 22315 states and 31477 transitions. [2018-11-23 02:42:47,828 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 02:42:47,828 INFO L276 IsEmpty]: Start isEmpty. Operand 22315 states and 31477 transitions. [2018-11-23 02:42:47,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-23 02:42:47,830 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:42:47,830 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 6, 1, 1, 1, 1, 1, 1] [2018-11-23 02:42:47,830 INFO L423 AbstractCegarLoop]: === Iteration 29 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-23 02:42:47,830 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:42:47,831 INFO L82 PathProgramCache]: Analyzing trace with hash 2090391817, now seen corresponding path program 5 times [2018-11-23 02:42:47,831 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 02:42:47,831 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 02:42:47,831 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:42:47,831 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:42:47,831 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:42:47,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:42:47,896 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 168 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:42:47,897 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 02:42:47,897 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1d3906ac-a680-4de4-b8b7-ad3baf059e93/bin-2019/uautomizer/z3 Starting monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 02:42:47,914 INFO L103 rtionOrderModulation]: Keeping assertion order INSIDE_LOOP_FIRST1 [2018-11-23 02:42:47,942 INFO L249 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2018-11-23 02:42:47,943 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-23 02:42:47,944 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 02:42:47,951 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 168 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:42:47,977 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 02:42:47,977 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 8 [2018-11-23 02:42:47,977 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 02:42:47,977 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 02:42:47,977 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2018-11-23 02:42:47,977 INFO L87 Difference]: Start difference. First operand 22315 states and 31477 transitions. Second operand 9 states. [2018-11-23 02:42:48,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:42:48,465 INFO L93 Difference]: Finished difference Result 32959 states and 46936 transitions. [2018-11-23 02:42:48,465 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-23 02:42:48,465 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 61 [2018-11-23 02:42:48,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:42:48,492 INFO L225 Difference]: With dead ends: 32959 [2018-11-23 02:42:48,492 INFO L226 Difference]: Without dead ends: 32958 [2018-11-23 02:42:48,498 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2018-11-23 02:42:48,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32958 states. [2018-11-23 02:42:49,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32958 to 23709. [2018-11-23 02:42:49,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23709 states. [2018-11-23 02:42:49,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23709 states to 23709 states and 33466 transitions. [2018-11-23 02:42:49,041 INFO L78 Accepts]: Start accepts. Automaton has 23709 states and 33466 transitions. Word has length 61 [2018-11-23 02:42:49,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:42:49,041 INFO L480 AbstractCegarLoop]: Abstraction has 23709 states and 33466 transitions. [2018-11-23 02:42:49,041 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 02:42:49,041 INFO L276 IsEmpty]: Start isEmpty. Operand 23709 states and 33466 transitions. [2018-11-23 02:42:49,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-23 02:42:49,044 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:42:49,044 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 1, 1, 1, 1, 1, 1] [2018-11-23 02:42:49,044 INFO L423 AbstractCegarLoop]: === Iteration 30 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-23 02:42:49,044 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:42:49,044 INFO L82 PathProgramCache]: Analyzing trace with hash -1521886379, now seen corresponding path program 4 times [2018-11-23 02:42:49,044 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 02:42:49,044 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 02:42:49,045 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:42:49,045 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 02:42:49,045 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:42:49,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:42:49,098 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 150 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:42:49,098 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 02:42:49,098 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1d3906ac-a680-4de4-b8b7-ad3baf059e93/bin-2019/uautomizer/z3 Starting monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 02:42:49,109 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-11-23 02:42:49,119 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-11-23 02:42:49,119 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-23 02:42:49,120 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 02:42:49,128 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 150 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:42:49,153 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 02:42:49,154 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2018-11-23 02:42:49,154 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 02:42:49,154 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 02:42:49,154 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2018-11-23 02:42:49,154 INFO L87 Difference]: Start difference. First operand 23709 states and 33466 transitions. Second operand 8 states. [2018-11-23 02:42:49,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:42:49,636 INFO L93 Difference]: Finished difference Result 33673 states and 48022 transitions. [2018-11-23 02:42:49,636 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 02:42:49,636 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 65 [2018-11-23 02:42:49,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:42:49,665 INFO L225 Difference]: With dead ends: 33673 [2018-11-23 02:42:49,665 INFO L226 Difference]: Without dead ends: 33672 [2018-11-23 02:42:49,671 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2018-11-23 02:42:49,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33672 states. [2018-11-23 02:42:50,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33672 to 25273. [2018-11-23 02:42:50,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25273 states. [2018-11-23 02:42:50,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25273 states to 25273 states and 35688 transitions. [2018-11-23 02:42:50,160 INFO L78 Accepts]: Start accepts. Automaton has 25273 states and 35688 transitions. Word has length 65 [2018-11-23 02:42:50,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:42:50,161 INFO L480 AbstractCegarLoop]: Abstraction has 25273 states and 35688 transitions. [2018-11-23 02:42:50,161 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 02:42:50,161 INFO L276 IsEmpty]: Start isEmpty. Operand 25273 states and 35688 transitions. [2018-11-23 02:42:50,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-11-23 02:42:50,163 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:42:50,164 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 8, 8, 1, 1, 1, 1, 1, 1] [2018-11-23 02:42:50,164 INFO L423 AbstractCegarLoop]: === Iteration 31 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-23 02:42:50,164 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:42:50,164 INFO L82 PathProgramCache]: Analyzing trace with hash -690121846, now seen corresponding path program 8 times [2018-11-23 02:42:50,164 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 02:42:50,164 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 02:42:50,165 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:42:50,165 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 02:42:50,165 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:42:50,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:42:50,236 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 0 proven. 244 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:42:50,236 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 02:42:50,236 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1d3906ac-a680-4de4-b8b7-ad3baf059e93/bin-2019/uautomizer/z3 Starting monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 02:42:50,242 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-11-23 02:42:50,253 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-11-23 02:42:50,253 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-23 02:42:50,255 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 02:42:50,262 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 0 proven. 244 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:42:50,277 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 02:42:50,277 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 10 [2018-11-23 02:42:50,277 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-23 02:42:50,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-23 02:42:50,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2018-11-23 02:42:50,278 INFO L87 Difference]: Start difference. First operand 25273 states and 35688 transitions. Second operand 11 states. [2018-11-23 02:42:50,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:42:50,906 INFO L93 Difference]: Finished difference Result 34134 states and 48972 transitions. [2018-11-23 02:42:50,906 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-23 02:42:50,906 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 67 [2018-11-23 02:42:50,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:42:50,933 INFO L225 Difference]: With dead ends: 34134 [2018-11-23 02:42:50,933 INFO L226 Difference]: Without dead ends: 34132 [2018-11-23 02:42:50,939 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2018-11-23 02:42:50,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34132 states. [2018-11-23 02:42:51,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34132 to 29349. [2018-11-23 02:42:51,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29349 states. [2018-11-23 02:42:51,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29349 states to 29349 states and 41310 transitions. [2018-11-23 02:42:51,485 INFO L78 Accepts]: Start accepts. Automaton has 29349 states and 41310 transitions. Word has length 67 [2018-11-23 02:42:51,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:42:51,485 INFO L480 AbstractCegarLoop]: Abstraction has 29349 states and 41310 transitions. [2018-11-23 02:42:51,486 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-23 02:42:51,486 INFO L276 IsEmpty]: Start isEmpty. Operand 29349 states and 41310 transitions. [2018-11-23 02:42:51,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-11-23 02:42:51,488 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:42:51,488 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 6, 6, 1, 1, 1, 1, 1, 1] [2018-11-23 02:42:51,488 INFO L423 AbstractCegarLoop]: === Iteration 32 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-23 02:42:51,488 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:42:51,488 INFO L82 PathProgramCache]: Analyzing trace with hash -1044856365, now seen corresponding path program 6 times [2018-11-23 02:42:51,489 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 02:42:51,489 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 02:42:51,489 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:42:51,489 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 02:42:51,489 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:42:51,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:42:51,549 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 0 proven. 183 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:42:51,550 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 02:42:51,550 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1d3906ac-a680-4de4-b8b7-ad3baf059e93/bin-2019/uautomizer/z3 Starting monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 02:42:51,559 INFO L103 rtionOrderModulation]: Keeping assertion order MIX_INSIDE_OUTSIDE [2018-11-23 02:42:51,572 INFO L249 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2018-11-23 02:42:51,572 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-23 02:42:51,573 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 02:42:51,578 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 0 proven. 183 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:42:51,594 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 02:42:51,594 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 8 [2018-11-23 02:42:51,594 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 02:42:51,594 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 02:42:51,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2018-11-23 02:42:51,594 INFO L87 Difference]: Start difference. First operand 29349 states and 41310 transitions. Second operand 9 states. [2018-11-23 02:42:52,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:42:52,194 INFO L93 Difference]: Finished difference Result 41884 states and 59975 transitions. [2018-11-23 02:42:52,195 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-23 02:42:52,195 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 67 [2018-11-23 02:42:52,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:42:52,227 INFO L225 Difference]: With dead ends: 41884 [2018-11-23 02:42:52,227 INFO L226 Difference]: Without dead ends: 41882 [2018-11-23 02:42:52,233 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2018-11-23 02:42:52,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41882 states. [2018-11-23 02:42:52,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41882 to 35469. [2018-11-23 02:42:52,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35469 states. [2018-11-23 02:42:52,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35469 states to 35469 states and 49722 transitions. [2018-11-23 02:42:52,866 INFO L78 Accepts]: Start accepts. Automaton has 35469 states and 49722 transitions. Word has length 67 [2018-11-23 02:42:52,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:42:52,866 INFO L480 AbstractCegarLoop]: Abstraction has 35469 states and 49722 transitions. [2018-11-23 02:42:52,866 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 02:42:52,867 INFO L276 IsEmpty]: Start isEmpty. Operand 35469 states and 49722 transitions. [2018-11-23 02:42:52,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-11-23 02:42:52,869 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:42:52,869 INFO L402 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 7, 1, 1, 1, 1, 1, 1] [2018-11-23 02:42:52,869 INFO L423 AbstractCegarLoop]: === Iteration 33 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-23 02:42:52,869 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:42:52,870 INFO L82 PathProgramCache]: Analyzing trace with hash -1351429389, now seen corresponding path program 6 times [2018-11-23 02:42:52,870 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 02:42:52,870 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 02:42:52,870 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:42:52,870 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 02:42:52,871 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:42:52,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:42:52,941 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 0 proven. 224 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:42:52,941 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 02:42:52,941 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1d3906ac-a680-4de4-b8b7-ad3baf059e93/bin-2019/uautomizer/z3 Starting monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 02:42:52,960 INFO L103 rtionOrderModulation]: Keeping assertion order MIX_INSIDE_OUTSIDE [2018-11-23 02:42:52,979 INFO L249 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2018-11-23 02:42:52,979 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-23 02:42:52,980 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 02:42:52,987 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 0 proven. 224 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:42:53,002 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 02:42:53,002 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 9 [2018-11-23 02:42:53,002 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 02:42:53,003 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 02:42:53,003 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2018-11-23 02:42:53,003 INFO L87 Difference]: Start difference. First operand 35469 states and 49722 transitions. Second operand 10 states. [2018-11-23 02:42:53,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:42:53,658 INFO L93 Difference]: Finished difference Result 51133 states and 72401 transitions. [2018-11-23 02:42:53,659 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-23 02:42:53,659 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 69 [2018-11-23 02:42:53,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:42:53,702 INFO L225 Difference]: With dead ends: 51133 [2018-11-23 02:42:53,702 INFO L226 Difference]: Without dead ends: 51132 [2018-11-23 02:42:53,712 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2018-11-23 02:42:53,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51132 states. [2018-11-23 02:42:54,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51132 to 37265. [2018-11-23 02:42:54,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37265 states. [2018-11-23 02:42:54,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37265 states to 37265 states and 52275 transitions. [2018-11-23 02:42:54,617 INFO L78 Accepts]: Start accepts. Automaton has 37265 states and 52275 transitions. Word has length 69 [2018-11-23 02:42:54,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:42:54,618 INFO L480 AbstractCegarLoop]: Abstraction has 37265 states and 52275 transitions. [2018-11-23 02:42:54,618 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 02:42:54,618 INFO L276 IsEmpty]: Start isEmpty. Operand 37265 states and 52275 transitions. [2018-11-23 02:42:54,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-11-23 02:42:54,621 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:42:54,621 INFO L402 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 9, 9, 1, 1, 1, 1, 1, 1] [2018-11-23 02:42:54,621 INFO L423 AbstractCegarLoop]: === Iteration 34 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-23 02:42:54,622 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:42:54,622 INFO L82 PathProgramCache]: Analyzing trace with hash -2049109290, now seen corresponding path program 9 times [2018-11-23 02:42:54,622 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 02:42:54,622 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 02:42:54,622 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:42:54,623 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 02:42:54,623 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:42:54,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:42:54,696 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:42:54,697 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 02:42:54,697 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1d3906ac-a680-4de4-b8b7-ad3baf059e93/bin-2019/uautomizer/z3 Starting monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 02:42:54,703 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-11-23 02:42:54,717 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2018-11-23 02:42:54,717 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-23 02:42:54,718 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 02:42:54,723 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:42:54,737 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 02:42:54,737 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 11 [2018-11-23 02:42:54,737 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-23 02:42:54,738 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-23 02:42:54,738 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2018-11-23 02:42:54,738 INFO L87 Difference]: Start difference. First operand 37265 states and 52275 transitions. Second operand 12 states. [2018-11-23 02:42:55,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:42:55,361 INFO L93 Difference]: Finished difference Result 49303 states and 70258 transitions. [2018-11-23 02:42:55,361 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-23 02:42:55,361 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 74 [2018-11-23 02:42:55,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:42:55,408 INFO L225 Difference]: With dead ends: 49303 [2018-11-23 02:42:55,408 INFO L226 Difference]: Without dead ends: 49301 [2018-11-23 02:42:55,416 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2018-11-23 02:42:55,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49301 states. [2018-11-23 02:42:56,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49301 to 42817. [2018-11-23 02:42:56,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42817 states. [2018-11-23 02:42:56,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42817 states to 42817 states and 59893 transitions. [2018-11-23 02:42:56,337 INFO L78 Accepts]: Start accepts. Automaton has 42817 states and 59893 transitions. Word has length 74 [2018-11-23 02:42:56,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:42:56,338 INFO L480 AbstractCegarLoop]: Abstraction has 42817 states and 59893 transitions. [2018-11-23 02:42:56,338 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-23 02:42:56,338 INFO L276 IsEmpty]: Start isEmpty. Operand 42817 states and 59893 transitions. [2018-11-23 02:42:56,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-11-23 02:42:56,340 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:42:56,340 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 1, 1, 1, 1, 1, 1] [2018-11-23 02:42:56,341 INFO L423 AbstractCegarLoop]: === Iteration 35 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-23 02:42:56,341 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:42:56,341 INFO L82 PathProgramCache]: Analyzing trace with hash 1528834600, now seen corresponding path program 5 times [2018-11-23 02:42:56,341 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 02:42:56,341 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 02:42:56,341 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:42:56,342 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 02:42:56,342 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:42:56,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:42:56,387 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:42:56,387 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 02:42:56,387 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1d3906ac-a680-4de4-b8b7-ad3baf059e93/bin-2019/uautomizer/z3 Starting monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 02:42:56,394 INFO L103 rtionOrderModulation]: Keeping assertion order INSIDE_LOOP_FIRST1 [2018-11-23 02:42:56,406 INFO L249 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2018-11-23 02:42:56,406 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-23 02:42:56,407 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 02:42:56,416 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:42:56,434 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 02:42:56,434 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 8 [2018-11-23 02:42:56,434 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 02:42:56,434 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 02:42:56,434 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2018-11-23 02:42:56,434 INFO L87 Difference]: Start difference. First operand 42817 states and 59893 transitions. Second operand 9 states. [2018-11-23 02:42:57,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:42:57,116 INFO L93 Difference]: Finished difference Result 59106 states and 83567 transitions. [2018-11-23 02:42:57,116 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-23 02:42:57,116 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 75 [2018-11-23 02:42:57,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:42:57,169 INFO L225 Difference]: With dead ends: 59106 [2018-11-23 02:42:57,169 INFO L226 Difference]: Without dead ends: 59105 [2018-11-23 02:42:57,179 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2018-11-23 02:42:57,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59105 states. [2018-11-23 02:42:58,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59105 to 45009. [2018-11-23 02:42:58,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45009 states. [2018-11-23 02:42:58,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45009 states to 45009 states and 62991 transitions. [2018-11-23 02:42:58,056 INFO L78 Accepts]: Start accepts. Automaton has 45009 states and 62991 transitions. Word has length 75 [2018-11-23 02:42:58,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:42:58,056 INFO L480 AbstractCegarLoop]: Abstraction has 45009 states and 62991 transitions. [2018-11-23 02:42:58,056 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 02:42:58,056 INFO L276 IsEmpty]: Start isEmpty. Operand 45009 states and 62991 transitions. [2018-11-23 02:42:58,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-11-23 02:42:58,059 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:42:58,059 INFO L402 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 7, 7, 1, 1, 1, 1, 1, 1] [2018-11-23 02:42:58,059 INFO L423 AbstractCegarLoop]: === Iteration 36 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-23 02:42:58,059 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:42:58,060 INFO L82 PathProgramCache]: Analyzing trace with hash -427799768, now seen corresponding path program 7 times [2018-11-23 02:42:58,060 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 02:42:58,060 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 02:42:58,060 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:42:58,060 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 02:42:58,060 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:42:58,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:42:58,123 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 0 proven. 245 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:42:58,123 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 02:42:58,123 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1d3906ac-a680-4de4-b8b7-ad3baf059e93/bin-2019/uautomizer/z3 Starting monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 02:42:58,133 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:42:58,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:42:58,149 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 02:42:58,156 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 0 proven. 245 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:42:58,180 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 02:42:58,180 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 9 [2018-11-23 02:42:58,181 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 02:42:58,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 02:42:58,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2018-11-23 02:42:58,181 INFO L87 Difference]: Start difference. First operand 45009 states and 62991 transitions. Second operand 10 states. [2018-11-23 02:42:59,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:42:59,155 INFO L93 Difference]: Finished difference Result 62469 states and 88924 transitions. [2018-11-23 02:42:59,156 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-23 02:42:59,156 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 76 [2018-11-23 02:42:59,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:42:59,203 INFO L225 Difference]: With dead ends: 62469 [2018-11-23 02:42:59,204 INFO L226 Difference]: Without dead ends: 62467 [2018-11-23 02:42:59,209 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2018-11-23 02:42:59,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62467 states. [2018-11-23 02:43:00,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62467 to 53493. [2018-11-23 02:43:00,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53493 states. [2018-11-23 02:43:00,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53493 states to 53493 states and 74602 transitions. [2018-11-23 02:43:00,234 INFO L78 Accepts]: Start accepts. Automaton has 53493 states and 74602 transitions. Word has length 76 [2018-11-23 02:43:00,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:43:00,234 INFO L480 AbstractCegarLoop]: Abstraction has 53493 states and 74602 transitions. [2018-11-23 02:43:00,234 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 02:43:00,234 INFO L276 IsEmpty]: Start isEmpty. Operand 53493 states and 74602 transitions. [2018-11-23 02:43:00,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-11-23 02:43:00,237 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:43:00,237 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 8, 1, 1, 1, 1, 1, 1] [2018-11-23 02:43:00,237 INFO L423 AbstractCegarLoop]: === Iteration 37 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-23 02:43:00,237 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:43:00,237 INFO L82 PathProgramCache]: Analyzing trace with hash 265372381, now seen corresponding path program 7 times [2018-11-23 02:43:00,237 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 02:43:00,237 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 02:43:00,238 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:43:00,238 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:43:00,238 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:43:00,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:43:00,305 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 0 proven. 288 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:43:00,306 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 02:43:00,306 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1d3906ac-a680-4de4-b8b7-ad3baf059e93/bin-2019/uautomizer/z3 Starting monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 02:43:00,312 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:43:00,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:43:00,324 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 02:43:00,333 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 0 proven. 288 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:43:00,350 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 02:43:00,350 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 10 [2018-11-23 02:43:00,350 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-23 02:43:00,350 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-23 02:43:00,350 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2018-11-23 02:43:00,350 INFO L87 Difference]: Start difference. First operand 53493 states and 74602 transitions. Second operand 11 states. [2018-11-23 02:43:01,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:43:01,374 INFO L93 Difference]: Finished difference Result 75502 states and 106384 transitions. [2018-11-23 02:43:01,374 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-23 02:43:01,374 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 77 [2018-11-23 02:43:01,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:43:01,444 INFO L225 Difference]: With dead ends: 75502 [2018-11-23 02:43:01,444 INFO L226 Difference]: Without dead ends: 75501 [2018-11-23 02:43:01,456 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2018-11-23 02:43:01,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75501 states. [2018-11-23 02:43:02,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75501 to 55737. [2018-11-23 02:43:02,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55737 states. [2018-11-23 02:43:02,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55737 states to 55737 states and 77782 transitions. [2018-11-23 02:43:02,727 INFO L78 Accepts]: Start accepts. Automaton has 55737 states and 77782 transitions. Word has length 77 [2018-11-23 02:43:02,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:43:02,727 INFO L480 AbstractCegarLoop]: Abstraction has 55737 states and 77782 transitions. [2018-11-23 02:43:02,727 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-23 02:43:02,728 INFO L276 IsEmpty]: Start isEmpty. Operand 55737 states and 77782 transitions. [2018-11-23 02:43:02,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-11-23 02:43:02,731 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:43:02,731 INFO L402 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 10, 10, 1, 1, 1, 1, 1, 1] [2018-11-23 02:43:02,731 INFO L423 AbstractCegarLoop]: === Iteration 38 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-23 02:43:02,731 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:43:02,731 INFO L82 PathProgramCache]: Analyzing trace with hash 1444546058, now seen corresponding path program 10 times [2018-11-23 02:43:02,732 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 02:43:02,732 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 02:43:02,732 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:43:02,732 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:43:02,732 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:43:02,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:43:02,809 INFO L134 CoverageAnalysis]: Checked inductivity of 375 backedges. 0 proven. 375 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:43:02,809 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 02:43:02,809 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1d3906ac-a680-4de4-b8b7-ad3baf059e93/bin-2019/uautomizer/z3 Starting monitored process 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 02:43:02,816 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-11-23 02:43:02,829 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-11-23 02:43:02,829 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-23 02:43:02,831 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 02:43:02,837 INFO L134 CoverageAnalysis]: Checked inductivity of 375 backedges. 0 proven. 375 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:43:02,852 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 02:43:02,852 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 12 [2018-11-23 02:43:02,852 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-23 02:43:02,852 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-23 02:43:02,852 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2018-11-23 02:43:02,852 INFO L87 Difference]: Start difference. First operand 55737 states and 77782 transitions. Second operand 13 states. [2018-11-23 02:43:03,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:43:03,762 INFO L93 Difference]: Finished difference Result 72432 states and 102654 transitions. [2018-11-23 02:43:03,762 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-11-23 02:43:03,762 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 81 [2018-11-23 02:43:03,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:43:03,829 INFO L225 Difference]: With dead ends: 72432 [2018-11-23 02:43:03,829 INFO L226 Difference]: Without dead ends: 72430 [2018-11-23 02:43:03,841 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2018-11-23 02:43:03,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72430 states. [2018-11-23 02:43:05,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72430 to 63455. [2018-11-23 02:43:05,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63455 states. [2018-11-23 02:43:05,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63455 states to 63455 states and 88331 transitions. [2018-11-23 02:43:05,210 INFO L78 Accepts]: Start accepts. Automaton has 63455 states and 88331 transitions. Word has length 81 [2018-11-23 02:43:05,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:43:05,210 INFO L480 AbstractCegarLoop]: Abstraction has 63455 states and 88331 transitions. [2018-11-23 02:43:05,210 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-11-23 02:43:05,210 INFO L276 IsEmpty]: Start isEmpty. Operand 63455 states and 88331 transitions. [2018-11-23 02:43:05,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-11-23 02:43:05,215 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:43:05,215 INFO L402 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 9, 1, 1, 1, 1, 1, 1] [2018-11-23 02:43:05,215 INFO L423 AbstractCegarLoop]: === Iteration 39 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-23 02:43:05,216 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:43:05,216 INFO L82 PathProgramCache]: Analyzing trace with hash 1692281031, now seen corresponding path program 8 times [2018-11-23 02:43:05,216 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 02:43:05,216 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 02:43:05,217 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:43:05,217 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 02:43:05,217 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:43:05,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:43:05,295 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 0 proven. 360 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:43:05,295 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 02:43:05,295 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1d3906ac-a680-4de4-b8b7-ad3baf059e93/bin-2019/uautomizer/z3 Starting monitored process 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 02:43:05,448 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-11-23 02:43:05,463 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-11-23 02:43:05,464 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-23 02:43:05,465 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 02:43:05,472 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 0 proven. 360 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:43:05,497 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 02:43:05,497 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 11 [2018-11-23 02:43:05,497 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-23 02:43:05,498 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-23 02:43:05,498 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2018-11-23 02:43:05,498 INFO L87 Difference]: Start difference. First operand 63455 states and 88331 transitions. Second operand 12 states. [2018-11-23 02:43:06,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:43:06,617 INFO L93 Difference]: Finished difference Result 87915 states and 123650 transitions. [2018-11-23 02:43:06,618 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-23 02:43:06,618 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 85 [2018-11-23 02:43:06,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:43:06,703 INFO L225 Difference]: With dead ends: 87915 [2018-11-23 02:43:06,703 INFO L226 Difference]: Without dead ends: 87914 [2018-11-23 02:43:06,719 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2018-11-23 02:43:06,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87914 states. [2018-11-23 02:43:08,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87914 to 65699. [2018-11-23 02:43:08,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65699 states. [2018-11-23 02:43:08,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65699 states to 65699 states and 91511 transitions. [2018-11-23 02:43:08,140 INFO L78 Accepts]: Start accepts. Automaton has 65699 states and 91511 transitions. Word has length 85 [2018-11-23 02:43:08,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:43:08,140 INFO L480 AbstractCegarLoop]: Abstraction has 65699 states and 91511 transitions. [2018-11-23 02:43:08,140 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-23 02:43:08,140 INFO L276 IsEmpty]: Start isEmpty. Operand 65699 states and 91511 transitions. [2018-11-23 02:43:08,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-11-23 02:43:08,144 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:43:08,144 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 8, 8, 1, 1, 1, 1, 1, 1] [2018-11-23 02:43:08,145 INFO L423 AbstractCegarLoop]: === Iteration 40 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-23 02:43:08,145 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:43:08,145 INFO L82 PathProgramCache]: Analyzing trace with hash -1685753485, now seen corresponding path program 8 times [2018-11-23 02:43:08,145 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 02:43:08,145 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 02:43:08,145 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:43:08,145 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 02:43:08,145 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:43:08,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:43:08,208 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 0 proven. 316 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:43:08,208 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 02:43:08,208 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1d3906ac-a680-4de4-b8b7-ad3baf059e93/bin-2019/uautomizer/z3 Starting monitored process 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 02:43:08,215 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-11-23 02:43:08,225 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-11-23 02:43:08,225 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-23 02:43:08,226 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 02:43:08,233 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 0 proven. 316 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:43:08,247 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 02:43:08,248 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 10 [2018-11-23 02:43:08,248 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-23 02:43:08,248 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-23 02:43:08,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2018-11-23 02:43:08,248 INFO L87 Difference]: Start difference. First operand 65699 states and 91511 transitions. Second operand 11 states. [2018-11-23 02:43:09,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:43:09,485 INFO L93 Difference]: Finished difference Result 88656 states and 125565 transitions. [2018-11-23 02:43:09,486 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-23 02:43:09,486 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 85 [2018-11-23 02:43:09,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:43:09,561 INFO L225 Difference]: With dead ends: 88656 [2018-11-23 02:43:09,561 INFO L226 Difference]: Without dead ends: 88654 [2018-11-23 02:43:09,573 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2018-11-23 02:43:09,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88654 states. [2018-11-23 02:43:11,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88654 to 76293. [2018-11-23 02:43:11,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76293 states. [2018-11-23 02:43:11,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76293 states to 76293 states and 105928 transitions. [2018-11-23 02:43:11,121 INFO L78 Accepts]: Start accepts. Automaton has 76293 states and 105928 transitions. Word has length 85 [2018-11-23 02:43:11,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:43:11,121 INFO L480 AbstractCegarLoop]: Abstraction has 76293 states and 105928 transitions. [2018-11-23 02:43:11,121 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-23 02:43:11,121 INFO L276 IsEmpty]: Start isEmpty. Operand 76293 states and 105928 transitions. [2018-11-23 02:43:11,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-11-23 02:43:11,126 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:43:11,126 INFO L402 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 1, 1, 1, 1, 1, 1] [2018-11-23 02:43:11,126 INFO L423 AbstractCegarLoop]: === Iteration 41 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-23 02:43:11,126 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:43:11,126 INFO L82 PathProgramCache]: Analyzing trace with hash -1536406213, now seen corresponding path program 6 times [2018-11-23 02:43:11,126 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 02:43:11,126 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 02:43:11,127 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:43:11,127 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 02:43:11,127 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:43:11,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:43:11,186 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 0 proven. 280 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:43:11,186 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 02:43:11,187 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1d3906ac-a680-4de4-b8b7-ad3baf059e93/bin-2019/uautomizer/z3 Starting monitored process 36 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 36 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 02:43:11,194 INFO L103 rtionOrderModulation]: Keeping assertion order MIX_INSIDE_OUTSIDE [2018-11-23 02:43:11,206 INFO L249 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2018-11-23 02:43:11,206 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-23 02:43:11,207 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 02:43:11,217 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 0 proven. 280 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:43:11,231 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 02:43:11,231 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 9 [2018-11-23 02:43:11,231 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 02:43:11,231 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 02:43:11,231 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2018-11-23 02:43:11,232 INFO L87 Difference]: Start difference. First operand 76293 states and 105928 transitions. Second operand 10 states. [2018-11-23 02:43:12,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:43:12,585 INFO L93 Difference]: Finished difference Result 109927 states and 154225 transitions. [2018-11-23 02:43:12,585 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-23 02:43:12,585 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 85 [2018-11-23 02:43:12,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:43:12,699 INFO L225 Difference]: With dead ends: 109927 [2018-11-23 02:43:12,699 INFO L226 Difference]: Without dead ends: 109926 [2018-11-23 02:43:12,719 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2018-11-23 02:43:12,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109926 states. [2018-11-23 02:43:14,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109926 to 80157. [2018-11-23 02:43:14,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80157 states. [2018-11-23 02:43:14,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80157 states to 80157 states and 111367 transitions. [2018-11-23 02:43:14,681 INFO L78 Accepts]: Start accepts. Automaton has 80157 states and 111367 transitions. Word has length 85 [2018-11-23 02:43:14,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:43:14,681 INFO L480 AbstractCegarLoop]: Abstraction has 80157 states and 111367 transitions. [2018-11-23 02:43:14,681 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 02:43:14,681 INFO L276 IsEmpty]: Start isEmpty. Operand 80157 states and 111367 transitions. [2018-11-23 02:43:14,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-23 02:43:14,686 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:43:14,686 INFO L402 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 11, 11, 1, 1, 1, 1, 1, 1] [2018-11-23 02:43:14,686 INFO L423 AbstractCegarLoop]: === Iteration 42 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-23 02:43:14,686 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:43:14,686 INFO L82 PathProgramCache]: Analyzing trace with hash -508374954, now seen corresponding path program 11 times [2018-11-23 02:43:14,686 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 02:43:14,687 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 02:43:14,687 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:43:14,687 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 02:43:14,687 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:43:14,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:43:14,794 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 0 proven. 451 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:43:14,794 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 02:43:14,794 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1d3906ac-a680-4de4-b8b7-ad3baf059e93/bin-2019/uautomizer/z3 Starting monitored process 37 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 02:43:14,803 INFO L103 rtionOrderModulation]: Keeping assertion order INSIDE_LOOP_FIRST1 [2018-11-23 02:43:14,820 INFO L249 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 12 check-sat command(s) [2018-11-23 02:43:14,821 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-23 02:43:14,822 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 02:43:15,020 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 446 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-23 02:43:15,045 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 02:43:15,045 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [13] total 25 [2018-11-23 02:43:15,045 INFO L459 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-11-23 02:43:15,045 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-11-23 02:43:15,045 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=168, Invalid=432, Unknown=0, NotChecked=0, Total=600 [2018-11-23 02:43:15,046 INFO L87 Difference]: Start difference. First operand 80157 states and 111367 transitions. Second operand 25 states. [2018-11-23 02:43:16,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:43:16,415 INFO L93 Difference]: Finished difference Result 99235 states and 136781 transitions. [2018-11-23 02:43:16,416 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2018-11-23 02:43:16,416 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 88 [2018-11-23 02:43:16,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:43:16,417 INFO L225 Difference]: With dead ends: 99235 [2018-11-23 02:43:16,417 INFO L226 Difference]: Without dead ends: 501 [2018-11-23 02:43:16,485 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2402 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=2313, Invalid=5877, Unknown=0, NotChecked=0, Total=8190 [2018-11-23 02:43:16,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 501 states. [2018-11-23 02:43:16,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 501 to 310. [2018-11-23 02:43:16,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 310 states. [2018-11-23 02:43:16,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 348 transitions. [2018-11-23 02:43:16,492 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 348 transitions. Word has length 88 [2018-11-23 02:43:16,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:43:16,492 INFO L480 AbstractCegarLoop]: Abstraction has 310 states and 348 transitions. [2018-11-23 02:43:16,492 INFO L481 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-11-23 02:43:16,492 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 348 transitions. [2018-11-23 02:43:16,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-11-23 02:43:16,493 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:43:16,493 INFO L402 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 9, 9, 1, 1, 1, 1, 1, 1] [2018-11-23 02:43:16,494 INFO L423 AbstractCegarLoop]: === Iteration 43 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-23 02:43:16,494 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:43:16,494 INFO L82 PathProgramCache]: Analyzing trace with hash 879701896, now seen corresponding path program 9 times [2018-11-23 02:43:16,494 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 02:43:16,494 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 02:43:16,495 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:43:16,495 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 02:43:16,495 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:43:16,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:43:16,561 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 0 proven. 396 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:43:16,561 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 02:43:16,561 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1d3906ac-a680-4de4-b8b7-ad3baf059e93/bin-2019/uautomizer/z3 Starting monitored process 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 02:43:16,569 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-11-23 02:43:16,584 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2018-11-23 02:43:16,585 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-23 02:43:16,586 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 02:43:16,592 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 0 proven. 396 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:43:16,607 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 02:43:16,607 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 11 [2018-11-23 02:43:16,608 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-23 02:43:16,608 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-23 02:43:16,608 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2018-11-23 02:43:16,608 INFO L87 Difference]: Start difference. First operand 310 states and 348 transitions. Second operand 12 states. [2018-11-23 02:43:16,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:43:16,637 INFO L93 Difference]: Finished difference Result 323 states and 361 transitions. [2018-11-23 02:43:16,638 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-23 02:43:16,638 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 94 [2018-11-23 02:43:16,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:43:16,639 INFO L225 Difference]: With dead ends: 323 [2018-11-23 02:43:16,639 INFO L226 Difference]: Without dead ends: 246 [2018-11-23 02:43:16,639 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2018-11-23 02:43:16,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2018-11-23 02:43:16,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 226. [2018-11-23 02:43:16,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 226 states. [2018-11-23 02:43:16,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 264 transitions. [2018-11-23 02:43:16,646 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 264 transitions. Word has length 94 [2018-11-23 02:43:16,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:43:16,646 INFO L480 AbstractCegarLoop]: Abstraction has 226 states and 264 transitions. [2018-11-23 02:43:16,646 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-23 02:43:16,646 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 264 transitions. [2018-11-23 02:43:16,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-11-23 02:43:16,647 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:43:16,647 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 1, 1, 1, 1, 1, 1] [2018-11-23 02:43:16,647 INFO L423 AbstractCegarLoop]: === Iteration 44 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-23 02:43:16,647 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:43:16,647 INFO L82 PathProgramCache]: Analyzing trace with hash 270660750, now seen corresponding path program 7 times [2018-11-23 02:43:16,647 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 02:43:16,647 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 02:43:16,648 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:43:16,648 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 02:43:16,648 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:43:16,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:43:16,708 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 0 proven. 360 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:43:16,709 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 02:43:16,709 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1d3906ac-a680-4de4-b8b7-ad3baf059e93/bin-2019/uautomizer/z3 Starting monitored process 39 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 39 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 02:43:16,715 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:43:16,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:43:16,727 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 02:43:16,736 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 0 proven. 360 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:43:16,751 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 02:43:16,751 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 10 [2018-11-23 02:43:16,751 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-23 02:43:16,751 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-23 02:43:16,751 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2018-11-23 02:43:16,751 INFO L87 Difference]: Start difference. First operand 226 states and 264 transitions. Second operand 11 states. [2018-11-23 02:43:16,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:43:16,773 INFO L93 Difference]: Finished difference Result 247 states and 284 transitions. [2018-11-23 02:43:16,773 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-23 02:43:16,773 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 95 [2018-11-23 02:43:16,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:43:16,774 INFO L225 Difference]: With dead ends: 247 [2018-11-23 02:43:16,774 INFO L226 Difference]: Without dead ends: 106 [2018-11-23 02:43:16,774 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2018-11-23 02:43:16,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2018-11-23 02:43:16,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2018-11-23 02:43:16,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2018-11-23 02:43:16,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 105 transitions. [2018-11-23 02:43:16,776 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 105 transitions. Word has length 95 [2018-11-23 02:43:16,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:43:16,776 INFO L480 AbstractCegarLoop]: Abstraction has 106 states and 105 transitions. [2018-11-23 02:43:16,776 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-23 02:43:16,777 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 105 transitions. [2018-11-23 02:43:16,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-11-23 02:43:16,777 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:43:16,777 INFO L402 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 1, 1, 1, 1, 1, 1] [2018-11-23 02:43:16,777 INFO L423 AbstractCegarLoop]: === Iteration 45 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-23 02:43:16,777 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:43:16,777 INFO L82 PathProgramCache]: Analyzing trace with hash -1806118879, now seen corresponding path program 8 times [2018-11-23 02:43:16,777 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 02:43:16,778 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 02:43:16,778 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:43:16,778 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:43:16,778 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:43:16,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:43:16,853 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 0 proven. 450 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:43:16,853 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 02:43:16,853 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1d3906ac-a680-4de4-b8b7-ad3baf059e93/bin-2019/uautomizer/z3 Starting monitored process 40 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 40 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 02:43:16,859 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-11-23 02:43:16,873 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-11-23 02:43:16,873 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-23 02:43:16,875 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 02:43:16,885 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 0 proven. 450 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:43:16,899 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 02:43:16,900 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 11 [2018-11-23 02:43:16,900 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-23 02:43:16,900 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-23 02:43:16,900 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2018-11-23 02:43:16,900 INFO L87 Difference]: Start difference. First operand 106 states and 105 transitions. Second operand 12 states. [2018-11-23 02:43:16,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:43:16,913 INFO L93 Difference]: Finished difference Result 106 states and 105 transitions. [2018-11-23 02:43:16,913 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-23 02:43:16,914 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 105 [2018-11-23 02:43:16,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:43:16,914 INFO L225 Difference]: With dead ends: 106 [2018-11-23 02:43:16,914 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 02:43:16,914 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2018-11-23 02:43:16,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 02:43:16,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 02:43:16,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 02:43:16,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 02:43:16,915 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 105 [2018-11-23 02:43:16,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:43:16,915 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 02:43:16,915 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-23 02:43:16,915 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 02:43:16,915 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 02:43:16,919 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 02:43:17,722 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:43:17,725 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:43:17,777 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:43:17,803 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:43:17,817 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:43:17,830 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:43:17,876 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:43:17,883 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:43:17,910 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:43:18,040 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:43:18,206 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:43:18,392 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:43:18,427 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:43:18,490 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:43:18,490 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:43:18,490 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:43:18,786 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:43:18,815 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:43:18,848 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:43:18,874 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:43:18,887 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:43:18,894 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:43:19,332 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:43:19,408 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:43:19,461 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:43:19,516 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:43:19,595 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:43:19,698 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:43:19,710 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:43:20,657 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:43:21,261 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:43:21,500 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:43:25,362 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:43:26,658 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:43:26,930 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:43:28,267 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:43:28,808 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:43:29,460 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:43:29,603 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:43:29,937 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:43:29,962 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:43:30,454 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:43:30,495 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:43:30,649 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:43:31,217 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:43:31,302 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:43:33,775 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:43:34,696 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:43:38,770 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:43:38,878 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:43:40,215 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:43:43,914 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:43:44,618 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:43:44,770 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:43:47,321 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:43:47,977 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:43:49,586 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:43:50,935 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:43:53,482 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:43:59,383 WARN L180 SmtUtils]: Spent 42.45 s on a formula simplification. DAG size of input: 4688 DAG size of output: 2713 [2018-11-23 02:44:59,889 WARN L180 SmtUtils]: Spent 1.01 m on a formula simplification. DAG size of input: 2296 DAG size of output: 370 [2018-11-23 02:44:59,893 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-11-23 02:44:59,893 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 02:44:59,893 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 02:44:59,893 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-23 02:44:59,893 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 02:44:59,893 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 02:44:59,894 INFO L448 ceAbstractionStarter]: For program point L27(lines 27 31) no Hoare annotation was computed. [2018-11-23 02:44:59,894 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 13 35) no Hoare annotation was computed. [2018-11-23 02:44:59,894 INFO L448 ceAbstractionStarter]: For program point L23(lines 23 31) no Hoare annotation was computed. [2018-11-23 02:44:59,894 INFO L448 ceAbstractionStarter]: For program point mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 26) no Hoare annotation was computed. [2018-11-23 02:44:59,894 INFO L448 ceAbstractionStarter]: For program point L19-2(lines 19 33) no Hoare annotation was computed. [2018-11-23 02:44:59,894 INFO L448 ceAbstractionStarter]: For program point mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 24) no Hoare annotation was computed. [2018-11-23 02:44:59,894 INFO L448 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-11-23 02:44:59,894 INFO L448 ceAbstractionStarter]: For program point L28-1(line 28) no Hoare annotation was computed. [2018-11-23 02:44:59,894 INFO L448 ceAbstractionStarter]: For program point L24(line 24) no Hoare annotation was computed. [2018-11-23 02:44:59,894 INFO L448 ceAbstractionStarter]: For program point mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2018-11-23 02:44:59,894 INFO L448 ceAbstractionStarter]: For program point L24-1(line 24) no Hoare annotation was computed. [2018-11-23 02:44:59,895 INFO L448 ceAbstractionStarter]: For program point L20(line 20) no Hoare annotation was computed. [2018-11-23 02:44:59,895 INFO L448 ceAbstractionStarter]: For program point L20-1(line 20) no Hoare annotation was computed. [2018-11-23 02:44:59,895 INFO L448 ceAbstractionStarter]: For program point mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 30) no Hoare annotation was computed. [2018-11-23 02:44:59,895 INFO L448 ceAbstractionStarter]: For program point mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 24) no Hoare annotation was computed. [2018-11-23 02:44:59,895 INFO L448 ceAbstractionStarter]: For program point L29(lines 29 31) no Hoare annotation was computed. [2018-11-23 02:44:59,895 INFO L448 ceAbstractionStarter]: For program point mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2018-11-23 02:44:59,895 INFO L448 ceAbstractionStarter]: For program point L25(lines 25 31) no Hoare annotation was computed. [2018-11-23 02:44:59,895 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 13 35) no Hoare annotation was computed. [2018-11-23 02:44:59,895 INFO L448 ceAbstractionStarter]: For program point mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 20) no Hoare annotation was computed. [2018-11-23 02:44:59,895 INFO L448 ceAbstractionStarter]: For program point mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 30) no Hoare annotation was computed. [2018-11-23 02:44:59,895 INFO L448 ceAbstractionStarter]: For program point L30(line 30) no Hoare annotation was computed. [2018-11-23 02:44:59,895 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 13 35) the Hoare annotation is: true [2018-11-23 02:44:59,895 INFO L448 ceAbstractionStarter]: For program point L30-1(line 30) no Hoare annotation was computed. [2018-11-23 02:44:59,896 INFO L448 ceAbstractionStarter]: For program point L26(line 26) no Hoare annotation was computed. [2018-11-23 02:44:59,896 INFO L448 ceAbstractionStarter]: For program point L26-1(line 26) no Hoare annotation was computed. [2018-11-23 02:44:59,896 INFO L448 ceAbstractionStarter]: For program point L22(lines 22 32) no Hoare annotation was computed. [2018-11-23 02:44:59,897 INFO L444 ceAbstractionStarter]: At program point L22-1(lines 19 33) the Hoare annotation is: (let ((.cse77 (<= 0 (+ main_~x~0 2147483648))) (.cse70 (<= 0 main_~i~0)) (.cse5 (<= main_~N~0 10)) (.cse78 (<= 0 (+ main_~y~0 2147483648)))) (let ((.cse33 (<= main_~x~0 2)) (.cse17 (<= 0 main_~x~0)) (.cse43 (<= main_~x~0 3)) (.cse1 (<= 0 (+ main_~x~0 2))) (.cse19 (and .cse77 .cse70 .cse5 .cse78)) (.cse2 (<= 0 main_~y~0))) (let ((.cse54 (<= 0 (+ main_~y~0 1))) (.cse29 (<= main_~y~0 2)) (.cse22 (<= 0 (+ main_~x~0 4))) (.cse24 (<= 0 (+ main_~y~0 2))) (.cse14 (<= main_~y~0 3)) (.cse28 (and .cse77 .cse70 .cse2 .cse5)) (.cse60 (and .cse1 .cse19)) (.cse40 (and .cse70 .cse5)) (.cse41 (<= 0 (+ main_~x~0 1))) (.cse56 (<= main_~x~0 1)) (.cse67 (and .cse43 .cse70 .cse5)) (.cse42 (<= 0 (+ main_~x~0 5))) (.cse27 (<= 0 (+ main_~x~0 3))) (.cse47 (and .cse70 .cse5 .cse17 .cse78)) (.cse10 (and .cse70 .cse33 .cse5 .cse17 .cse78)) (.cse12 (<= main_~y~0 0)) (.cse64 (and .cse77 .cse70 .cse5)) (.cse4 (<= main_~x~0 0))) (let ((.cse44 (<= 0 (+ main_~x~0 9))) (.cse53 (<= 1 main_~i~0)) (.cse38 (and .cse2 .cse64 .cse4)) (.cse66 (and .cse10 .cse12)) (.cse59 (and .cse43 .cse47)) (.cse34 (and .cse27 .cse19)) (.cse25 (<= main_~x~0 9)) (.cse65 (and .cse42 .cse4 .cse5 .cse78)) (.cse35 (and .cse70 .cse2 .cse4 .cse5 .cse17)) (.cse36 (<= main_~y~0 8)) (.cse55 (<= 0 (+ main_~y~0 7))) (.cse8 (<= main_~y~0 6)) (.cse74 (and .cse2 .cse67)) (.cse49 (and .cse70 .cse56 .cse2 .cse5)) (.cse7 (and .cse40 .cse2 .cse41)) (.cse75 (and .cse60 .cse12)) (.cse51 (and .cse14 .cse28)) (.cse58 (<= 0 (+ main_~y~0 6))) (.cse62 (and .cse77 .cse70 .cse24 .cse4 .cse5)) (.cse21 (<= 0 (+ main_~y~0 3))) (.cse3 (<= main_~y~0 7)) (.cse37 (and .cse27 .cse70 .cse2 .cse5)) (.cse16 (<= main_~y~0 1)) (.cse31 (<= 0 (+ main_~x~0 7))) (.cse11 (<= 6 main_~i~0)) (.cse69 (<= main_~x~0 8)) (.cse50 (<= main_~y~0 5)) (.cse76 (and .cse70 .cse22 .cse4 .cse5 .cse78)) (.cse57 (<= 0 (+ main_~x~0 8))) (.cse71 (and .cse77 .cse70 .cse2 .cse29 .cse4 .cse5)) (.cse48 (<= main_~x~0 6)) (.cse32 (<= 8 main_~i~0)) (.cse18 (<= main_~x~0 5)) (.cse73 (and .cse22 .cse19)) (.cse39 (<= main_~y~0 4)) (.cse45 (<= 0 (+ main_~y~0 5))) (.cse72 (<= 2 main_~i~0)) (.cse52 (<= 4 main_~i~0)) (.cse15 (and .cse1 .cse64)) (.cse68 (and .cse28 .cse14 .cse17)) (.cse26 (<= 10 main_~i~0)) (.cse9 (<= 0 (+ main_~y~0 4))) (.cse13 (<= 5 main_~i~0)) (.cse30 (and .cse77 .cse70 .cse2 .cse4 .cse5)) (.cse61 (<= 3 main_~i~0)) (.cse46 (<= main_~x~0 4)) (.cse6 (<= 7 main_~i~0)) (.cse20 (<= 0 (+ main_~x~0 6))) (.cse23 (and .cse77 .cse54 .cse70 .cse4 .cse5)) (.cse0 (<= 9 main_~i~0)) (.cse63 (<= main_~x~0 7))) (or (and .cse0 (and .cse1 .cse2 .cse3 .cse4 .cse5)) (and .cse6 (and .cse7 .cse8 .cse4)) (and .cse9 .cse10 .cse11 .cse12) (and .cse13 .cse2 .cse14 .cse15 .cse4) (and .cse2 .cse11 .cse16 .cse5 .cse17 .cse18) (and .cse19 .cse0 .cse20 .cse21 .cse4 .cse12) (and .cse22 .cse13 .cse23 .cse12) (and .cse6 .cse19 .cse24 .cse17 .cse12 .cse18) (and .cse25 .cse2 .cse16 .cse5 .cse17 .cse26) (and .cse27 .cse13 .cse28 .cse29 .cse4) (and .cse27 .cse13 .cse19 .cse24 .cse4 .cse12) (and .cse30 .cse6 .cse31 .cse12) (and .cse8 .cse2 .cse32 .cse33 .cse5 .cse17) (and .cse9 .cse6 .cse34 .cse4 .cse12) (and .cse35 .cse32 .cse36) (and .cse2 .cse33 .cse5 .cse17 .cse36 .cse26) (and .cse0 .cse8 .cse37 .cse4) (and .cse6 (and .cse22 .cse14 .cse38)) (and .cse39 .cse13 .cse40 .cse2 .cse41 .cse4) (and .cse9 .cse42 .cse19 .cse0 .cse4 .cse12) (and .cse13 (and .cse43 .cse2 .cse29 .cse5) .cse17) (and .cse23 .cse26 .cse44 .cse12) (and .cse45 .cse0 .cse46 .cse47 .cse12) (and .cse6 .cse48 .cse2 .cse16 .cse5 .cse17) (and .cse49 .cse50 .cse11 .cse17) (and .cse51 .cse0 .cse20 .cse4) (and .cse22 .cse52 .cse30 .cse12) (and (<= main_~x~0 10) .cse2 .cse5 .cse17 .cse26 .cse12) (and .cse53 .cse54 .cse4 .cse5 .cse17 .cse12) (and .cse6 .cse55 .cse4 .cse5 .cse17 .cse12) (and .cse52 .cse49 .cse14 .cse17) (and .cse42 (and .cse28 .cse14 .cse4) .cse32) (and .cse30 .cse26 .cse12) (and .cse7 .cse0 .cse4 .cse36) (and (or (and .cse55 .cse32 .cse41 .cse4 .cse5) (and .cse55 .cse56 .cse32 .cse5 .cse17)) .cse12) (and .cse57 .cse30 .cse32 .cse12) (and .cse0 .cse58 .cse59 .cse12) (and .cse34 .cse0 .cse58 .cse4 .cse12) (and .cse45 .cse32 .cse59 .cse12) (and .cse9 .cse60 .cse11 .cse4 .cse12) (and .cse61 .cse21 .cse4 .cse5 .cse17 .cse12) (and .cse62 .cse6 .cse42 .cse12) (and .cse52 .cse33 .cse24 .cse5 .cse17 .cse12) (and .cse52 .cse2 .cse46 .cse5 .cse17 .cse12) (and .cse0 .cse28 .cse63 .cse29 .cse17) (and .cse9 .cse0 .cse47 .cse12 .cse18) (and .cse7 .cse4 .cse26) (and .cse13 .cse2 .cse14 .cse33 .cse5 .cse17) (and .cse27 .cse2 .cse14 .cse64 .cse11 .cse4) (and .cse13 .cse10 .cse21 .cse12) (and .cse65 .cse2 .cse50 .cse26) (and .cse30 .cse0 .cse44 .cse12) (and .cse53 .cse2 .cse4 .cse16 .cse5 .cse17) (and .cse55 .cse66 .cse0) (and .cse54 .cse43 .cse52 .cse5 .cse17 .cse12) (and .cse6 .cse46 .cse21 .cse47 .cse12) (and .cse2 .cse4 .cse16 .cse5 .cse26 .cse44) (and .cse2 .cse14 .cse67 .cse11 .cse17) (and .cse37 .cse32 .cse50 .cse4) (and .cse54 .cse32 .cse63 .cse5 .cse17 .cse12) (and .cse54 .cse33 .cse61 .cse5 .cse17 .cse12) (and .cse1 .cse19 .cse52 .cse24 .cse4 .cse12) (and .cse35 .cse0 (<= main_~y~0 9)) (and .cse0 .cse2 .cse3 .cse33 .cse5 .cse17) (and .cse13 .cse2 .cse46 .cse16 .cse5 .cse17) (and .cse9 .cse52 .cse4 .cse5 .cse17 .cse12) (and .cse68 .cse32 .cse18) (and .cse32 .cse23 .cse31 .cse12) (and .cse19 .cse48 .cse32 .cse24 .cse17 .cse12) (and (or (and .cse53 .cse56 .cse2 .cse5 .cse17) (and .cse53 .cse2 .cse41 .cse4 .cse5)) .cse12) (and .cse39 .cse28 .cse0 .cse17 .cse18) (and .cse62 .cse0 .cse31 .cse12) (and .cse43 .cse2 .cse61 .cse5 .cse17 .cse12) (and .cse54 .cse0 .cse69 .cse5 .cse17 .cse12) (and .cse52 .cse2 .cse29 .cse33 .cse5 .cse17) (and .cse70 .cse2 .cse4 .cse5 .cse17 .cse12) (and .cse71 .cse20 .cse32) (and .cse13 .cse60 .cse21 .cse4 .cse12) (and .cse45 .cse13 .cse4 .cse5 .cse17 .cse12) (and .cse49 .cse3 .cse32 .cse17) (and .cse39 .cse13 .cse49 .cse17) (and .cse0 (and (and .cse48 .cse47) .cse21) .cse12) (and .cse72 .cse2 .cse33 .cse5 .cse17 .cse12) (and .cse25 .cse54 .cse5 .cse17 .cse26 .cse12) (and .cse9 .cse32 .cse73 .cse4 .cse12) (and .cse35 .cse8 .cse11) (and .cse30 .cse42 .cse13 .cse12) (and .cse8 (and .cse22 .cse38) .cse26) (and .cse6 .cse20 .cse2 .cse4 .cse16 .cse5) (and .cse2 .cse11 (and .cse39 .cse15) .cse4) (and .cse39 .cse28 .cse48 .cse17 .cse26) (and .cse52 .cse40 .cse2 .cse14 .cse41 .cse4) (and .cse8 .cse2 .cse32 .cse15 .cse4) (and .cse9 .cse48 .cse26 .cse47 .cse12) (and .cse0 .cse49 .cse17 .cse36) (and .cse28 .cse69 .cse29 .cse17 .cse26) (and .cse6 .cse2 .cse50 .cse33 .cse5 .cse17) (and .cse11 .cse58 .cse4 .cse5 .cse17 .cse12) (and .cse66 .cse26) (and (or (and .cse6 .cse41 .cse4 .cse5) (and .cse6 .cse56 .cse5 .cse17)) .cse58 .cse12) (and .cse57 .cse0 .cse2 .cse4 .cse16 .cse5) (and .cse6 .cse49 .cse8 .cse17) (and .cse63 .cse21 .cse26 .cse47 .cse12) (and .cse43 .cse11 .cse47 .cse21 .cse12) (and .cse39 .cse6 .cse37 .cse4) (and .cse7 .cse32 .cse3 .cse4) (and .cse9 .cse6 .cse59 .cse12) (and .cse35 .cse14 .cse61) (and .cse39 .cse2 .cse33 .cse11 .cse5 .cse17) (and .cse45 .cse34 .cse32 .cse4 .cse12) (and (and .cse39 .cse28) .cse20 .cse4 .cse26) (and .cse9 .cse32 .cse46 .cse47 .cse12) (and .cse42 .cse2 .cse11 .cse4 .cse16 .cse5) (and .cse28 .cse8 .cse46 .cse17 .cse26) (and .cse13 .cse2 .cse5 .cse17 .cse12 .cse18) (and .cse2 .cse69 .cse32 .cse5 .cse17 .cse12) (and .cse34 .cse11 .cse21 .cse4 .cse12) (and .cse62 .cse20 .cse32 .cse12) (and .cse25 .cse0 .cse2 .cse5 .cse17 .cse12) (and .cse54 .cse13 .cse46 .cse5 .cse17 .cse12) (and .cse54 .cse11 .cse5 .cse17 .cse12 .cse18) (and .cse35 .cse13 .cse50) (and .cse22 .cse13 .cse2 .cse4 .cse16 .cse5) (and .cse6 .cse28 .cse29 .cse17 .cse18) (and .cse19 .cse46 .cse11 .cse24 .cse17 .cse12) (and .cse9 .cse19 .cse20 .cse4 .cse26 .cse12) (and .cse35 .cse6 .cse3) (and .cse2 .cse33 .cse61 .cse16 .cse5 .cse17) (and .cse32 .cse2 .cse63 .cse16 .cse5 .cse17) (and .cse74 .cse3 .cse17 .cse26) (and .cse0 .cse2 .cse69 .cse16 .cse5 .cse17) (and (or (and .cse41 .cse61 .cse4 .cse5) (and .cse56 .cse61 .cse5 .cse17)) .cse24 .cse12) (and .cse27 .cse52 .cse23 .cse12) (and .cse55 .cse0 .cse4 .cse75) (and .cse60 .cse32 .cse58 .cse4 .cse12) (and .cse48 .cse2 .cse11 .cse5 .cse17 .cse12) (and .cse74 .cse32 .cse50 .cse17) (and .cse72 .cse56 .cse2 .cse16 .cse5 .cse17) (and .cse72 .cse24 .cse4 .cse5 .cse17 .cse12) (and .cse28 .cse50 .cse17 .cse26 .cse18) (and .cse19 .cse21 .cse4 .cse31 .cse26 .cse12) (and .cse54 .cse6 .cse48 .cse5 .cse17 .cse12) (and (<= 0 (+ main_~y~0 9)) (or (and .cse56 .cse0 .cse5 .cse17 .cse12) (and .cse0 .cse41 .cse4 .cse5 .cse12))) (and .cse6 .cse45 .cse60 .cse4 .cse12) (and .cse30 .cse20 .cse11 .cse12) (and .cse45 .cse65 .cse26 .cse12) (and .cse39 .cse35 .cse52) (and .cse32 .cse21 .cse47 .cse12 .cse18) (and .cse55 (and .cse43 .cse47 .cse12) .cse26) (and .cse28 .cse46 .cse29 .cse11 .cse17) (and .cse2 .cse15 .cse4 .cse36 .cse26) (and .cse6 .cse22 .cse19 .cse21 .cse4 .cse12) (and .cse55 (and .cse27 .cse5 .cse12) .cse4 .cse26) (and .cse0 .cse8 .cse74 .cse17) (and .cse57 .cse0 .cse23 .cse12) (and .cse40 .cse2 .cse29 .cse41 .cse61 .cse4) (and (or (and .cse45 .cse41 .cse11 .cse4 .cse5) (and .cse45 .cse56 .cse11 .cse5 .cse17)) .cse12) (and .cse32 .cse58 .cse10 .cse12) (and .cse42 .cse19 .cse32 .cse21 .cse4 .cse12) (and .cse6 .cse2 .cse50 .cse15 .cse4) (and .cse62 .cse22 .cse11 .cse12) (and .cse49 .cse17 .cse26) (and .cse7 .cse50 .cse11 .cse4) (and .cse28 .cse0 .cse50 .cse46 .cse17) (and .cse68 .cse0 .cse48) (and .cse1 .cse23 .cse61 .cse12) (and .cse58 .cse73 .cse4 .cse26 .cse12) (and .cse43 .cse52 .cse2 .cse16 .cse5 .cse17) (and .cse4 .cse75 .cse26) (and .cse51 .cse4 .cse31 .cse26) (and (<= 0 (+ main_~y~0 8)) .cse32 .cse4 .cse5 .cse17 .cse12) (and .cse46 .cse58 .cse26 .cse47 .cse12) (and .cse71 .cse0 .cse31) (and .cse42 .cse23 .cse11 .cse12) (and .cse57 .cse62 .cse26 .cse12) (and .cse6 .cse2 .cse63 .cse5 .cse17 .cse12) (and .cse72 .cse2 .cse41 .cse4 .cse16 .cse5) (and (and .cse39 .cse2 .cse76) .cse32) (and (or (and .cse56 .cse52 .cse5 .cse17) (and .cse52 .cse41 .cse4 .cse5)) .cse21 .cse12) (and .cse1 .cse2 .cse61 .cse4 .cse16 .cse5) (and .cse27 .cse52 .cse2 .cse4 .cse16 .cse5) (and .cse3 .cse37 .cse4 .cse26) (and .cse72 .cse2 .cse29 .cse4 .cse5 .cse17) (and .cse56 .cse2 .cse29 .cse61 .cse5 .cse17) (and .cse2 .cse32 .cse4 .cse16 .cse31 .cse5) (and .cse22 .cse2 .cse64 .cse29 .cse11 .cse4) (and (and .cse69 .cse24 .cse5 .cse17) .cse26 .cse12) (and .cse0 .cse2 .cse50 .cse76) (and .cse71 .cse6 .cse42) (and .cse57 .cse26 .cse71) (and .cse48 .cse28 .cse32 .cse29 .cse17) (and .cse39 .cse28 .cse32 .cse46 .cse17) (and .cse6 (and .cse39 .cse43 .cse2 .cse47)) (and .cse43 .cse13 .cse24 .cse47 .cse12) (and .cse45 .cse26 .cse47 .cse12 .cse18) (and .cse45 .cse0 .cse73 .cse4 .cse12) (and .cse1 .cse72 .cse30 .cse12) (and .cse0 (and .cse39 .cse42 .cse5) .cse2 .cse4) (and .cse6 .cse45 .cse10 .cse12) (and (or (and .cse72 .cse54 .cse41 .cse4 .cse5) (and .cse72 .cse54 .cse56 .cse5 .cse17)) .cse12) (and .cse52 .cse2 .cse29 .cse15 .cse4) (and .cse68 .cse63 .cse26) (and .cse9 (or (and .cse13 .cse41 .cse4 .cse5) (and .cse56 .cse13 .cse5 .cse17)) .cse12) (and .cse27 .cse30 .cse61 .cse12) (and .cse6 .cse28 .cse14 .cse46 .cse17) (and .cse6 .cse20 .cse23 .cse12) (and .cse19 .cse0 .cse63 .cse24 .cse17 .cse12)))))) [2018-11-23 02:44:59,898 INFO L448 ceAbstractionStarter]: For program point mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 26) no Hoare annotation was computed. [2018-11-23 02:44:59,898 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 20) no Hoare annotation was computed. [2018-11-23 02:44:59,945 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 02:44:59 BoogieIcfgContainer [2018-11-23 02:44:59,945 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 02:44:59,946 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 02:44:59,946 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 02:44:59,946 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 02:44:59,947 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:42:38" (3/4) ... [2018-11-23 02:44:59,950 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 02:44:59,963 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 02:44:59,963 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 02:44:59,967 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-23 02:44:59,967 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-23 02:44:59,967 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 02:44:59,967 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 02:45:00,004 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_1d3906ac-a680-4de4-b8b7-ad3baf059e93/bin-2019/uautomizer/witness.graphml [2018-11-23 02:45:00,004 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 02:45:00,005 INFO L168 Benchmark]: Toolchain (without parser) took 142328.08 ms. Allocated memory was 1.0 GB in the beginning and 3.8 GB in the end (delta: 2.7 GB). Free memory was 959.1 MB in the beginning and 1.4 GB in the end (delta: -454.5 MB). Peak memory consumption was 2.3 GB. Max. memory is 11.5 GB. [2018-11-23 02:45:00,007 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 02:45:00,007 INFO L168 Benchmark]: CACSL2BoogieTranslator took 146.05 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 948.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-23 02:45:00,007 INFO L168 Benchmark]: Boogie Procedure Inliner took 13.04 ms. Allocated memory is still 1.0 GB. Free memory was 948.4 MB in the beginning and 945.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 02:45:00,008 INFO L168 Benchmark]: Boogie Preprocessor took 13.35 ms. Allocated memory is still 1.0 GB. Free memory is still 945.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 02:45:00,008 INFO L168 Benchmark]: RCFGBuilder took 210.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -170.9 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. [2018-11-23 02:45:00,008 INFO L168 Benchmark]: TraceAbstraction took 141883.50 ms. Allocated memory was 1.2 GB in the beginning and 3.8 GB in the end (delta: 2.6 GB). Free memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: -297.0 MB). Peak memory consumption was 4.3 GB. Max. memory is 11.5 GB. [2018-11-23 02:45:00,008 INFO L168 Benchmark]: Witness Printer took 58.44 ms. Allocated memory is still 3.8 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 02:45:00,009 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 146.05 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 948.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 13.04 ms. Allocated memory is still 1.0 GB. Free memory was 948.4 MB in the beginning and 945.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 13.35 ms. Allocated memory is still 1.0 GB. Free memory is still 945.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 210.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -170.9 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 141883.50 ms. Allocated memory was 1.2 GB in the beginning and 3.8 GB in the end (delta: 2.6 GB). Free memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: -297.0 MB). Peak memory consumption was 4.3 GB. Max. memory is 11.5 GB. * Witness Printer took 58.44 ms. Allocated memory is still 3.8 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 20]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 26]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 20]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 30]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 26]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 30]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 10 specifications checked. All of them hold - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((9 <= i && (((0 <= x + 2 && 0 <= y) && y <= 7) && x <= 0) && N <= 10) || (7 <= i && ((((0 <= i && N <= 10) && 0 <= y) && 0 <= x + 1) && y <= 6) && x <= 0)) || (((0 <= y + 4 && (((0 <= i && x <= 2) && N <= 10) && 0 <= x) && 0 <= y + 2147483648) && 6 <= i) && y <= 0)) || ((((5 <= i && 0 <= y) && y <= 3) && 0 <= x + 2 && (0 <= x + 2147483648 && 0 <= i) && N <= 10) && x <= 0)) || (((((0 <= y && 6 <= i) && y <= 1) && N <= 10) && 0 <= x) && x <= 5)) || ((((((((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && 9 <= i) && 0 <= x + 6) && 0 <= y + 3) && x <= 0) && y <= 0)) || (((0 <= x + 4 && 5 <= i) && (((0 <= x + 2147483648 && 0 <= y + 1) && 0 <= i) && x <= 0) && N <= 10) && y <= 0)) || (((((7 <= i && ((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && 0 <= y + 2) && 0 <= x) && y <= 0) && x <= 5)) || (((((x <= 9 && 0 <= y) && y <= 1) && N <= 10) && 0 <= x) && 10 <= i)) || ((((0 <= x + 3 && 5 <= i) && ((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && N <= 10) && y <= 2) && x <= 0)) || (((((0 <= x + 3 && 5 <= i) && ((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && 0 <= y + 2) && x <= 0) && y <= 0)) || (((((((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && x <= 0) && N <= 10) && 7 <= i) && 0 <= x + 7) && y <= 0)) || (((((y <= 6 && 0 <= y) && 8 <= i) && x <= 2) && N <= 10) && 0 <= x)) || ((((0 <= y + 4 && 7 <= i) && 0 <= x + 3 && ((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && x <= 0) && y <= 0)) || ((((((0 <= i && 0 <= y) && x <= 0) && N <= 10) && 0 <= x) && 8 <= i) && y <= 8)) || (((((0 <= y && x <= 2) && N <= 10) && 0 <= x) && y <= 8) && 10 <= i)) || (((9 <= i && y <= 6) && ((0 <= x + 3 && 0 <= i) && 0 <= y) && N <= 10) && x <= 0)) || (7 <= i && (0 <= x + 4 && y <= 3) && (0 <= y && (0 <= x + 2147483648 && 0 <= i) && N <= 10) && x <= 0)) || (((((y <= 4 && 5 <= i) && 0 <= i && N <= 10) && 0 <= y) && 0 <= x + 1) && x <= 0)) || (((((0 <= y + 4 && 0 <= x + 5) && ((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && 9 <= i) && x <= 0) && y <= 0)) || ((5 <= i && ((x <= 3 && 0 <= y) && y <= 2) && N <= 10) && 0 <= x)) || (((((((0 <= x + 2147483648 && 0 <= y + 1) && 0 <= i) && x <= 0) && N <= 10) && 10 <= i) && 0 <= x + 9) && y <= 0)) || ((((0 <= y + 5 && 9 <= i) && x <= 4) && ((0 <= i && N <= 10) && 0 <= x) && 0 <= y + 2147483648) && y <= 0)) || (((((7 <= i && x <= 6) && 0 <= y) && y <= 1) && N <= 10) && 0 <= x)) || ((((((0 <= i && x <= 1) && 0 <= y) && N <= 10) && y <= 5) && 6 <= i) && 0 <= x)) || ((((y <= 3 && ((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && N <= 10) && 9 <= i) && 0 <= x + 6) && x <= 0)) || (((0 <= x + 4 && 4 <= i) && (((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && x <= 0) && N <= 10) && y <= 0)) || (((((x <= 10 && 0 <= y) && N <= 10) && 0 <= x) && 10 <= i) && y <= 0)) || (((((1 <= i && 0 <= y + 1) && x <= 0) && N <= 10) && 0 <= x) && y <= 0)) || (((((7 <= i && 0 <= y + 7) && x <= 0) && N <= 10) && 0 <= x) && y <= 0)) || (((4 <= i && ((0 <= i && x <= 1) && 0 <= y) && N <= 10) && y <= 3) && 0 <= x)) || ((0 <= x + 5 && ((((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && N <= 10) && y <= 3) && x <= 0) && 8 <= i)) || ((((((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && x <= 0) && N <= 10) && 10 <= i) && y <= 0)) || ((((((0 <= i && N <= 10) && 0 <= y) && 0 <= x + 1) && 9 <= i) && x <= 0) && y <= 8)) || ((((((0 <= y + 7 && 8 <= i) && 0 <= x + 1) && x <= 0) && N <= 10) || ((((0 <= y + 7 && x <= 1) && 8 <= i) && N <= 10) && 0 <= x)) && y <= 0)) || (((0 <= x + 8 && (((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && x <= 0) && N <= 10) && 8 <= i) && y <= 0)) || (((9 <= i && 0 <= y + 6) && x <= 3 && ((0 <= i && N <= 10) && 0 <= x) && 0 <= y + 2147483648) && y <= 0)) || (((((0 <= x + 3 && ((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && 9 <= i) && 0 <= y + 6) && x <= 0) && y <= 0)) || (((0 <= y + 5 && 8 <= i) && x <= 3 && ((0 <= i && N <= 10) && 0 <= x) && 0 <= y + 2147483648) && y <= 0)) || ((((0 <= y + 4 && 0 <= x + 2 && ((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && 6 <= i) && x <= 0) && y <= 0)) || (((((3 <= i && 0 <= y + 3) && x <= 0) && N <= 10) && 0 <= x) && y <= 0)) || (((((((0 <= x + 2147483648 && 0 <= i) && 0 <= y + 2) && x <= 0) && N <= 10) && 7 <= i) && 0 <= x + 5) && y <= 0)) || (((((4 <= i && x <= 2) && 0 <= y + 2) && N <= 10) && 0 <= x) && y <= 0)) || (((((4 <= i && 0 <= y) && x <= 4) && N <= 10) && 0 <= x) && y <= 0)) || ((((9 <= i && ((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && N <= 10) && x <= 7) && y <= 2) && 0 <= x)) || ((((0 <= y + 4 && 9 <= i) && ((0 <= i && N <= 10) && 0 <= x) && 0 <= y + 2147483648) && y <= 0) && x <= 5)) || (((((0 <= i && N <= 10) && 0 <= y) && 0 <= x + 1) && x <= 0) && 10 <= i)) || (((((5 <= i && 0 <= y) && y <= 3) && x <= 2) && N <= 10) && 0 <= x)) || (((((0 <= x + 3 && 0 <= y) && y <= 3) && (0 <= x + 2147483648 && 0 <= i) && N <= 10) && 6 <= i) && x <= 0)) || (((5 <= i && (((0 <= i && x <= 2) && N <= 10) && 0 <= x) && 0 <= y + 2147483648) && 0 <= y + 3) && y <= 0)) || ((((((0 <= x + 5 && x <= 0) && N <= 10) && 0 <= y + 2147483648) && 0 <= y) && y <= 5) && 10 <= i)) || (((((((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && x <= 0) && N <= 10) && 9 <= i) && 0 <= x + 9) && y <= 0)) || (((((1 <= i && 0 <= y) && x <= 0) && y <= 1) && N <= 10) && 0 <= x)) || ((0 <= y + 7 && ((((0 <= i && x <= 2) && N <= 10) && 0 <= x) && 0 <= y + 2147483648) && y <= 0) && 9 <= i)) || (((((0 <= y + 1 && x <= 3) && 4 <= i) && N <= 10) && 0 <= x) && y <= 0)) || ((((7 <= i && x <= 4) && 0 <= y + 3) && ((0 <= i && N <= 10) && 0 <= x) && 0 <= y + 2147483648) && y <= 0)) || (((((0 <= y && x <= 0) && y <= 1) && N <= 10) && 10 <= i) && 0 <= x + 9)) || ((((0 <= y && y <= 3) && (x <= 3 && 0 <= i) && N <= 10) && 6 <= i) && 0 <= x)) || ((((((0 <= x + 3 && 0 <= i) && 0 <= y) && N <= 10) && 8 <= i) && y <= 5) && x <= 0)) || (((((0 <= y + 1 && 8 <= i) && x <= 7) && N <= 10) && 0 <= x) && y <= 0)) || (((((0 <= y + 1 && x <= 2) && 3 <= i) && N <= 10) && 0 <= x) && y <= 0)) || (((((0 <= x + 2 && ((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && 4 <= i) && 0 <= y + 2) && x <= 0) && y <= 0)) || ((((((0 <= i && 0 <= y) && x <= 0) && N <= 10) && 0 <= x) && 9 <= i) && y <= 9)) || (((((9 <= i && 0 <= y) && y <= 7) && x <= 2) && N <= 10) && 0 <= x)) || (((((5 <= i && 0 <= y) && x <= 4) && y <= 1) && N <= 10) && 0 <= x)) || (((((0 <= y + 4 && 4 <= i) && x <= 0) && N <= 10) && 0 <= x) && y <= 0)) || (((((((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && N <= 10) && y <= 3) && 0 <= x) && 8 <= i) && x <= 5)) || (((8 <= i && (((0 <= x + 2147483648 && 0 <= y + 1) && 0 <= i) && x <= 0) && N <= 10) && 0 <= x + 7) && y <= 0)) || ((((((((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && x <= 6) && 8 <= i) && 0 <= y + 2) && 0 <= x) && y <= 0)) || ((((((1 <= i && x <= 1) && 0 <= y) && N <= 10) && 0 <= x) || ((((1 <= i && 0 <= y) && 0 <= x + 1) && x <= 0) && N <= 10)) && y <= 0)) || ((((y <= 4 && ((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && N <= 10) && 9 <= i) && 0 <= x) && x <= 5)) || (((((((0 <= x + 2147483648 && 0 <= i) && 0 <= y + 2) && x <= 0) && N <= 10) && 9 <= i) && 0 <= x + 7) && y <= 0)) || (((((x <= 3 && 0 <= y) && 3 <= i) && N <= 10) && 0 <= x) && y <= 0)) || (((((0 <= y + 1 && 9 <= i) && x <= 8) && N <= 10) && 0 <= x) && y <= 0)) || (((((4 <= i && 0 <= y) && y <= 2) && x <= 2) && N <= 10) && 0 <= x)) || (((((0 <= i && 0 <= y) && x <= 0) && N <= 10) && 0 <= x) && y <= 0)) || (((((((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && y <= 2) && x <= 0) && N <= 10) && 0 <= x + 6) && 8 <= i)) || ((((5 <= i && 0 <= x + 2 && ((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && 0 <= y + 3) && x <= 0) && y <= 0)) || (((((0 <= y + 5 && 5 <= i) && x <= 0) && N <= 10) && 0 <= x) && y <= 0)) || ((((((0 <= i && x <= 1) && 0 <= y) && N <= 10) && y <= 7) && 8 <= i) && 0 <= x)) || (((y <= 4 && 5 <= i) && ((0 <= i && x <= 1) && 0 <= y) && N <= 10) && 0 <= x)) || ((9 <= i && (x <= 6 && ((0 <= i && N <= 10) && 0 <= x) && 0 <= y + 2147483648) && 0 <= y + 3) && y <= 0)) || (((((2 <= i && 0 <= y) && x <= 2) && N <= 10) && 0 <= x) && y <= 0)) || (((((x <= 9 && 0 <= y + 1) && N <= 10) && 0 <= x) && 10 <= i) && y <= 0)) || ((((0 <= y + 4 && 8 <= i) && 0 <= x + 4 && ((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && x <= 0) && y <= 0)) || ((((((0 <= i && 0 <= y) && x <= 0) && N <= 10) && 0 <= x) && y <= 6) && 6 <= i)) || (((((((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && x <= 0) && N <= 10) && 0 <= x + 5) && 5 <= i) && y <= 0)) || ((y <= 6 && 0 <= x + 4 && (0 <= y && (0 <= x + 2147483648 && 0 <= i) && N <= 10) && x <= 0) && 10 <= i)) || (((((7 <= i && 0 <= x + 6) && 0 <= y) && x <= 0) && y <= 1) && N <= 10)) || (((0 <= y && 6 <= i) && y <= 4 && 0 <= x + 2 && (0 <= x + 2147483648 && 0 <= i) && N <= 10) && x <= 0)) || ((((y <= 4 && ((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && N <= 10) && x <= 6) && 0 <= x) && 10 <= i)) || (((((4 <= i && 0 <= i && N <= 10) && 0 <= y) && y <= 3) && 0 <= x + 1) && x <= 0)) || ((((y <= 6 && 0 <= y) && 8 <= i) && 0 <= x + 2 && (0 <= x + 2147483648 && 0 <= i) && N <= 10) && x <= 0)) || ((((0 <= y + 4 && x <= 6) && 10 <= i) && ((0 <= i && N <= 10) && 0 <= x) && 0 <= y + 2147483648) && y <= 0)) || (((9 <= i && ((0 <= i && x <= 1) && 0 <= y) && N <= 10) && 0 <= x) && y <= 8)) || (((((((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && N <= 10) && x <= 8) && y <= 2) && 0 <= x) && 10 <= i)) || (((((7 <= i && 0 <= y) && y <= 5) && x <= 2) && N <= 10) && 0 <= x)) || (((((6 <= i && 0 <= y + 6) && x <= 0) && N <= 10) && 0 <= x) && y <= 0)) || ((((((0 <= i && x <= 2) && N <= 10) && 0 <= x) && 0 <= y + 2147483648) && y <= 0) && 10 <= i)) || ((((((7 <= i && 0 <= x + 1) && x <= 0) && N <= 10) || (((7 <= i && x <= 1) && N <= 10) && 0 <= x)) && 0 <= y + 6) && y <= 0)) || (((((0 <= x + 8 && 9 <= i) && 0 <= y) && x <= 0) && y <= 1) && N <= 10)) || (((7 <= i && ((0 <= i && x <= 1) && 0 <= y) && N <= 10) && y <= 6) && 0 <= x)) || ((((x <= 7 && 0 <= y + 3) && 10 <= i) && ((0 <= i && N <= 10) && 0 <= x) && 0 <= y + 2147483648) && y <= 0)) || ((((x <= 3 && 6 <= i) && ((0 <= i && N <= 10) && 0 <= x) && 0 <= y + 2147483648) && 0 <= y + 3) && y <= 0)) || (((y <= 4 && 7 <= i) && ((0 <= x + 3 && 0 <= i) && 0 <= y) && N <= 10) && x <= 0)) || ((((((0 <= i && N <= 10) && 0 <= y) && 0 <= x + 1) && 8 <= i) && y <= 7) && x <= 0)) || (((0 <= y + 4 && 7 <= i) && x <= 3 && ((0 <= i && N <= 10) && 0 <= x) && 0 <= y + 2147483648) && y <= 0)) || ((((((0 <= i && 0 <= y) && x <= 0) && N <= 10) && 0 <= x) && y <= 3) && 3 <= i)) || (((((y <= 4 && 0 <= y) && x <= 2) && 6 <= i) && N <= 10) && 0 <= x)) || ((((0 <= y + 5 && 0 <= x + 3 && ((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && 8 <= i) && x <= 0) && y <= 0)) || ((((y <= 4 && ((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && N <= 10) && 0 <= x + 6) && x <= 0) && 10 <= i)) || ((((0 <= y + 4 && 8 <= i) && x <= 4) && ((0 <= i && N <= 10) && 0 <= x) && 0 <= y + 2147483648) && y <= 0)) || (((((0 <= x + 5 && 0 <= y) && 6 <= i) && x <= 0) && y <= 1) && N <= 10)) || (((((((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && N <= 10) && y <= 6) && x <= 4) && 0 <= x) && 10 <= i)) || (((((5 <= i && 0 <= y) && N <= 10) && 0 <= x) && y <= 0) && x <= 5)) || (((((0 <= y && x <= 8) && 8 <= i) && N <= 10) && 0 <= x) && y <= 0)) || (((((0 <= x + 3 && ((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && 6 <= i) && 0 <= y + 3) && x <= 0) && y <= 0)) || (((((((0 <= x + 2147483648 && 0 <= i) && 0 <= y + 2) && x <= 0) && N <= 10) && 0 <= x + 6) && 8 <= i) && y <= 0)) || (((((x <= 9 && 9 <= i) && 0 <= y) && N <= 10) && 0 <= x) && y <= 0)) || (((((0 <= y + 1 && 5 <= i) && x <= 4) && N <= 10) && 0 <= x) && y <= 0)) || (((((0 <= y + 1 && 6 <= i) && N <= 10) && 0 <= x) && y <= 0) && x <= 5)) || ((((((0 <= i && 0 <= y) && x <= 0) && N <= 10) && 0 <= x) && 5 <= i) && y <= 5)) || (((((0 <= x + 4 && 5 <= i) && 0 <= y) && x <= 0) && y <= 1) && N <= 10)) || ((((7 <= i && ((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && N <= 10) && y <= 2) && 0 <= x) && x <= 5)) || ((((((((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && x <= 4) && 6 <= i) && 0 <= y + 2) && 0 <= x) && y <= 0)) || (((((0 <= y + 4 && ((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && 0 <= x + 6) && x <= 0) && 10 <= i) && y <= 0)) || ((((((0 <= i && 0 <= y) && x <= 0) && N <= 10) && 0 <= x) && 7 <= i) && y <= 7)) || (((((0 <= y && x <= 2) && 3 <= i) && y <= 1) && N <= 10) && 0 <= x)) || (((((8 <= i && 0 <= y) && x <= 7) && y <= 1) && N <= 10) && 0 <= x)) || ((((0 <= y && (x <= 3 && 0 <= i) && N <= 10) && y <= 7) && 0 <= x) && 10 <= i)) || (((((9 <= i && 0 <= y) && x <= 8) && y <= 1) && N <= 10) && 0 <= x)) || ((((((0 <= x + 1 && 3 <= i) && x <= 0) && N <= 10) || (((x <= 1 && 3 <= i) && N <= 10) && 0 <= x)) && 0 <= y + 2) && y <= 0)) || (((0 <= x + 3 && 4 <= i) && (((0 <= x + 2147483648 && 0 <= y + 1) && 0 <= i) && x <= 0) && N <= 10) && y <= 0)) || (((0 <= y + 7 && 9 <= i) && x <= 0) && (0 <= x + 2 && ((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && y <= 0)) || (((((0 <= x + 2 && ((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && 8 <= i) && 0 <= y + 6) && x <= 0) && y <= 0)) || (((((x <= 6 && 0 <= y) && 6 <= i) && N <= 10) && 0 <= x) && y <= 0)) || ((((0 <= y && (x <= 3 && 0 <= i) && N <= 10) && 8 <= i) && y <= 5) && 0 <= x)) || (((((2 <= i && x <= 1) && 0 <= y) && y <= 1) && N <= 10) && 0 <= x)) || (((((2 <= i && 0 <= y + 2) && x <= 0) && N <= 10) && 0 <= x) && y <= 0)) || (((((((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && N <= 10) && y <= 5) && 0 <= x) && 10 <= i) && x <= 5)) || ((((((((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && 0 <= y + 3) && x <= 0) && 0 <= x + 7) && 10 <= i) && y <= 0)) || (((((0 <= y + 1 && 7 <= i) && x <= 6) && N <= 10) && 0 <= x) && y <= 0)) || (0 <= y + 9 && (((((x <= 1 && 9 <= i) && N <= 10) && 0 <= x) && y <= 0) || ((((9 <= i && 0 <= x + 1) && x <= 0) && N <= 10) && y <= 0)))) || ((((7 <= i && 0 <= y + 5) && 0 <= x + 2 && ((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && x <= 0) && y <= 0)) || (((((((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && x <= 0) && N <= 10) && 0 <= x + 6) && 6 <= i) && y <= 0)) || (((0 <= y + 5 && ((0 <= x + 5 && x <= 0) && N <= 10) && 0 <= y + 2147483648) && 10 <= i) && y <= 0)) || ((y <= 4 && (((0 <= i && 0 <= y) && x <= 0) && N <= 10) && 0 <= x) && 4 <= i)) || ((((8 <= i && 0 <= y + 3) && ((0 <= i && N <= 10) && 0 <= x) && 0 <= y + 2147483648) && y <= 0) && x <= 5)) || ((0 <= y + 7 && (x <= 3 && ((0 <= i && N <= 10) && 0 <= x) && 0 <= y + 2147483648) && y <= 0) && 10 <= i)) || (((((((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && N <= 10) && x <= 4) && y <= 2) && 6 <= i) && 0 <= x)) || ((((0 <= y && 0 <= x + 2 && (0 <= x + 2147483648 && 0 <= i) && N <= 10) && x <= 0) && y <= 8) && 10 <= i)) || (((((7 <= i && 0 <= x + 4) && ((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && 0 <= y + 3) && x <= 0) && y <= 0)) || (((0 <= y + 7 && (0 <= x + 3 && N <= 10) && y <= 0) && x <= 0) && 10 <= i)) || (((9 <= i && y <= 6) && 0 <= y && (x <= 3 && 0 <= i) && N <= 10) && 0 <= x)) || (((0 <= x + 8 && 9 <= i) && (((0 <= x + 2147483648 && 0 <= y + 1) && 0 <= i) && x <= 0) && N <= 10) && y <= 0)) || ((((((0 <= i && N <= 10) && 0 <= y) && y <= 2) && 0 <= x + 1) && 3 <= i) && x <= 0)) || ((((((0 <= y + 5 && 0 <= x + 1) && 6 <= i) && x <= 0) && N <= 10) || ((((0 <= y + 5 && x <= 1) && 6 <= i) && N <= 10) && 0 <= x)) && y <= 0)) || (((8 <= i && 0 <= y + 6) && (((0 <= i && x <= 2) && N <= 10) && 0 <= x) && 0 <= y + 2147483648) && y <= 0)) || (((((0 <= x + 5 && ((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && 8 <= i) && 0 <= y + 3) && x <= 0) && y <= 0)) || ((((7 <= i && 0 <= y) && y <= 5) && 0 <= x + 2 && (0 <= x + 2147483648 && 0 <= i) && N <= 10) && x <= 0)) || (((((((0 <= x + 2147483648 && 0 <= i) && 0 <= y + 2) && x <= 0) && N <= 10) && 0 <= x + 4) && 6 <= i) && y <= 0)) || (((((0 <= i && x <= 1) && 0 <= y) && N <= 10) && 0 <= x) && 10 <= i)) || ((((((0 <= i && N <= 10) && 0 <= y) && 0 <= x + 1) && y <= 5) && 6 <= i) && x <= 0)) || (((((((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && N <= 10) && 9 <= i) && y <= 5) && x <= 4) && 0 <= x)) || (((((((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && N <= 10) && y <= 3) && 0 <= x) && 9 <= i) && x <= 6)) || (((0 <= x + 2 && (((0 <= x + 2147483648 && 0 <= y + 1) && 0 <= i) && x <= 0) && N <= 10) && 3 <= i) && y <= 0)) || ((((0 <= y + 6 && 0 <= x + 4 && ((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && x <= 0) && 10 <= i) && y <= 0)) || (((((x <= 3 && 4 <= i) && 0 <= y) && y <= 1) && N <= 10) && 0 <= x)) || ((x <= 0 && (0 <= x + 2 && ((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && y <= 0) && 10 <= i)) || ((((y <= 3 && ((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && N <= 10) && x <= 0) && 0 <= x + 7) && 10 <= i)) || (((((0 <= y + 8 && 8 <= i) && x <= 0) && N <= 10) && 0 <= x) && y <= 0)) || ((((x <= 4 && 0 <= y + 6) && 10 <= i) && ((0 <= i && N <= 10) && 0 <= x) && 0 <= y + 2147483648) && y <= 0)) || (((((((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && y <= 2) && x <= 0) && N <= 10) && 9 <= i) && 0 <= x + 7)) || (((0 <= x + 5 && (((0 <= x + 2147483648 && 0 <= y + 1) && 0 <= i) && x <= 0) && N <= 10) && 6 <= i) && y <= 0)) || (((0 <= x + 8 && (((0 <= x + 2147483648 && 0 <= i) && 0 <= y + 2) && x <= 0) && N <= 10) && 10 <= i) && y <= 0)) || (((((7 <= i && 0 <= y) && x <= 7) && N <= 10) && 0 <= x) && y <= 0)) || (((((2 <= i && 0 <= y) && 0 <= x + 1) && x <= 0) && y <= 1) && N <= 10)) || (((y <= 4 && 0 <= y) && (((0 <= i && 0 <= x + 4) && x <= 0) && N <= 10) && 0 <= y + 2147483648) && 8 <= i)) || ((((((x <= 1 && 4 <= i) && N <= 10) && 0 <= x) || (((4 <= i && 0 <= x + 1) && x <= 0) && N <= 10)) && 0 <= y + 3) && y <= 0)) || (((((0 <= x + 2 && 0 <= y) && 3 <= i) && x <= 0) && y <= 1) && N <= 10)) || (((((0 <= x + 3 && 4 <= i) && 0 <= y) && x <= 0) && y <= 1) && N <= 10)) || (((y <= 7 && ((0 <= x + 3 && 0 <= i) && 0 <= y) && N <= 10) && x <= 0) && 10 <= i)) || (((((2 <= i && 0 <= y) && y <= 2) && x <= 0) && N <= 10) && 0 <= x)) || (((((x <= 1 && 0 <= y) && y <= 2) && 3 <= i) && N <= 10) && 0 <= x)) || (((((0 <= y && 8 <= i) && x <= 0) && y <= 1) && 0 <= x + 7) && N <= 10)) || (((((0 <= x + 4 && 0 <= y) && (0 <= x + 2147483648 && 0 <= i) && N <= 10) && y <= 2) && 6 <= i) && x <= 0)) || (((((x <= 8 && 0 <= y + 2) && N <= 10) && 0 <= x) && 10 <= i) && y <= 0)) || (((9 <= i && 0 <= y) && y <= 5) && (((0 <= i && 0 <= x + 4) && x <= 0) && N <= 10) && 0 <= y + 2147483648)) || (((((((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && y <= 2) && x <= 0) && N <= 10) && 7 <= i) && 0 <= x + 5)) || ((0 <= x + 8 && 10 <= i) && ((((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && y <= 2) && x <= 0) && N <= 10)) || ((((x <= 6 && ((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && N <= 10) && 8 <= i) && y <= 2) && 0 <= x)) || ((((y <= 4 && ((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && N <= 10) && 8 <= i) && x <= 4) && 0 <= x)) || (7 <= i && ((y <= 4 && x <= 3) && 0 <= y) && ((0 <= i && N <= 10) && 0 <= x) && 0 <= y + 2147483648)) || ((((x <= 3 && 5 <= i) && 0 <= y + 2) && ((0 <= i && N <= 10) && 0 <= x) && 0 <= y + 2147483648) && y <= 0)) || ((((0 <= y + 5 && 10 <= i) && ((0 <= i && N <= 10) && 0 <= x) && 0 <= y + 2147483648) && y <= 0) && x <= 5)) || ((((0 <= y + 5 && 9 <= i) && 0 <= x + 4 && ((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && x <= 0) && y <= 0)) || (((0 <= x + 2 && 2 <= i) && (((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && x <= 0) && N <= 10) && y <= 0)) || (((9 <= i && (y <= 4 && 0 <= x + 5) && N <= 10) && 0 <= y) && x <= 0)) || (((7 <= i && 0 <= y + 5) && (((0 <= i && x <= 2) && N <= 10) && 0 <= x) && 0 <= y + 2147483648) && y <= 0)) || ((((((2 <= i && 0 <= y + 1) && 0 <= x + 1) && x <= 0) && N <= 10) || ((((2 <= i && 0 <= y + 1) && x <= 1) && N <= 10) && 0 <= x)) && y <= 0)) || ((((4 <= i && 0 <= y) && y <= 2) && 0 <= x + 2 && (0 <= x + 2147483648 && 0 <= i) && N <= 10) && x <= 0)) || (((((((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && N <= 10) && y <= 3) && 0 <= x) && x <= 7) && 10 <= i)) || ((0 <= y + 4 && ((((5 <= i && 0 <= x + 1) && x <= 0) && N <= 10) || (((x <= 1 && 5 <= i) && N <= 10) && 0 <= x))) && y <= 0)) || (((0 <= x + 3 && (((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && x <= 0) && N <= 10) && 3 <= i) && y <= 0)) || ((((7 <= i && ((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && N <= 10) && y <= 3) && x <= 4) && 0 <= x)) || (((7 <= i && 0 <= x + 6) && (((0 <= x + 2147483648 && 0 <= y + 1) && 0 <= i) && x <= 0) && N <= 10) && y <= 0)) || ((((((((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && 9 <= i) && x <= 7) && 0 <= y + 2) && 0 <= x) && y <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 36 locations, 10 error locations. SAFE Result, 141.7s OverallTime, 45 OverallIterations, 12 TraceHistogramMax, 16.9s AutomataDifference, 0.0s DeadEndRemovalTime, 102.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 1320 SDtfs, 7931 SDslu, 5774 SDs, 0 SdLazy, 1770 SolverSat, 1185 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2498 GetRequests, 2167 SyntacticMatches, 0 SemanticMatches, 331 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2405 ImplicationChecksByTransitivity, 2.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=80157occurred in iteration=41, 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: 16.8s AutomataMinimizationTime, 45 MinimizatonAttempts, 203067 StatesRemovedByMinimization, 42 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 5 PreInvPairs, 1838 NumberOfFragments, 5715 HoareAnnotationTreeSize, 5 FomulaSimplifications, 604260 FormulaSimplificationTreeSizeReduction, 42.4s HoareSimplificationTime, 5 FomulaSimplificationsInter, 87620 FormulaSimplificationTreeSizeReductionInter, 60.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 4417 NumberOfCodeBlocks, 4417 NumberOfCodeBlocksAsserted, 188 NumberOfCheckSat, 4333 ConstructedInterpolants, 0 QuantifiedInterpolants, 1059983 SizeOfPredicates, 2 NumberOfNonLiveVariables, 5003 ConjunctsInSsa, 280 ConjunctsInUnsatCore, 84 InterpolantComputations, 9 PerfectInterpolantSequences, 464/12684 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...