./Ultimate.py --spec ../../sv-benchmarks/c/NoOverflows.prp --file ../../sv-benchmarks/c/termination-crafted-lit/ChawdharyCookGulwaniSagivYang-ESOP2008-random2d_true-termination_true-no-overflow.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_db2fc32e-7468-41ba-9f19-319f5cfd55c1/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_db2fc32e-7468-41ba-9f19-319f5cfd55c1/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_db2fc32e-7468-41ba-9f19-319f5cfd55c1/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_db2fc32e-7468-41ba-9f19-319f5cfd55c1/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/ChawdharyCookGulwaniSagivYang-ESOP2008-random2d_true-termination_true-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_db2fc32e-7468-41ba-9f19-319f5cfd55c1/bin-2019/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_db2fc32e-7468-41ba-9f19-319f5cfd55c1/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 b0a853f0131530f88013a3fcfdf4f133f41c0569 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 09:25:54,775 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 09:25:54,776 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 09:25:54,784 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 09:25:54,784 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 09:25:54,785 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 09:25:54,785 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 09:25:54,786 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 09:25:54,787 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 09:25:54,788 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 09:25:54,789 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 09:25:54,789 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 09:25:54,789 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 09:25:54,790 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 09:25:54,791 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 09:25:54,791 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 09:25:54,791 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 09:25:54,793 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 09:25:54,794 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 09:25:54,794 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 09:25:54,795 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 09:25:54,796 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 09:25:54,797 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 09:25:54,798 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 09:25:54,798 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 09:25:54,798 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 09:25:54,799 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 09:25:54,799 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 09:25:54,800 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 09:25:54,800 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 09:25:54,800 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 09:25:54,801 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 09:25:54,801 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 09:25:54,801 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 09:25:54,802 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 09:25:54,802 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 09:25:54,803 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_db2fc32e-7468-41ba-9f19-319f5cfd55c1/bin-2019/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf [2018-11-18 09:25:54,809 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 09:25:54,810 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 09:25:54,810 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 09:25:54,810 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 09:25:54,810 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 09:25:54,811 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 09:25:54,811 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 09:25:54,811 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 09:25:54,811 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 09:25:54,811 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 09:25:54,811 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 09:25:54,811 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 09:25:54,812 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 09:25:54,812 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 09:25:54,812 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-11-18 09:25:54,812 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 09:25:54,812 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 09:25:54,812 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 09:25:54,812 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 09:25:54,812 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 09:25:54,813 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 09:25:54,813 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 09:25:54,813 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 09:25:54,813 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 09:25:54,813 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 09:25:54,813 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 09:25:54,813 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 09:25:54,814 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 09:25:54,814 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 09:25:54,814 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_db2fc32e-7468-41ba-9f19-319f5cfd55c1/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 -> b0a853f0131530f88013a3fcfdf4f133f41c0569 [2018-11-18 09:25:54,837 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 09:25:54,846 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 09:25:54,849 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 09:25:54,850 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 09:25:54,850 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 09:25:54,851 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_db2fc32e-7468-41ba-9f19-319f5cfd55c1/bin-2019/uautomizer/../../sv-benchmarks/c/termination-crafted-lit/ChawdharyCookGulwaniSagivYang-ESOP2008-random2d_true-termination_true-no-overflow.c [2018-11-18 09:25:54,895 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_db2fc32e-7468-41ba-9f19-319f5cfd55c1/bin-2019/uautomizer/data/d5453f9f4/ef9f4695e11d4a72ae6e3f8604eac054/FLAG688769afe [2018-11-18 09:25:55,208 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 09:25:55,208 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_db2fc32e-7468-41ba-9f19-319f5cfd55c1/sv-benchmarks/c/termination-crafted-lit/ChawdharyCookGulwaniSagivYang-ESOP2008-random2d_true-termination_true-no-overflow.c [2018-11-18 09:25:55,214 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_db2fc32e-7468-41ba-9f19-319f5cfd55c1/bin-2019/uautomizer/data/d5453f9f4/ef9f4695e11d4a72ae6e3f8604eac054/FLAG688769afe [2018-11-18 09:25:55,225 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_db2fc32e-7468-41ba-9f19-319f5cfd55c1/bin-2019/uautomizer/data/d5453f9f4/ef9f4695e11d4a72ae6e3f8604eac054 [2018-11-18 09:25:55,228 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 09:25:55,229 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-18 09:25:55,230 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 09:25:55,230 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 09:25:55,233 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 09:25:55,234 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:25:55" (1/1) ... [2018-11-18 09:25:55,236 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4546e68c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:25:55, skipping insertion in model container [2018-11-18 09:25:55,236 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:25:55" (1/1) ... [2018-11-18 09:25:55,244 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 09:25:55,258 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 09:25:55,358 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:25:55,360 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 09:25:55,371 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:25:55,378 INFO L195 MainTranslator]: Completed translation [2018-11-18 09:25:55,379 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:25:55 WrapperNode [2018-11-18 09:25:55,379 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 09:25:55,379 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 09:25:55,379 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 09:25:55,379 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 09:25:55,386 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:25:55" (1/1) ... [2018-11-18 09:25:55,386 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:25:55" (1/1) ... [2018-11-18 09:25:55,389 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:25:55" (1/1) ... [2018-11-18 09:25:55,389 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:25:55" (1/1) ... [2018-11-18 09:25:55,391 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:25:55" (1/1) ... [2018-11-18 09:25:55,394 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:25:55" (1/1) ... [2018-11-18 09:25:55,395 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:25:55" (1/1) ... [2018-11-18 09:25:55,396 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 09:25:55,397 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 09:25:55,397 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 09:25:55,397 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 09:25:55,398 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:25:55" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_db2fc32e-7468-41ba-9f19-319f5cfd55c1/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 [2018-11-18 09:25:55,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 09:25:55,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 09:25:55,469 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 09:25:55,469 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-18 09:25:55,469 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 09:25:55,469 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 09:25:55,470 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 09:25:55,587 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 09:25:55,587 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:25:55 BoogieIcfgContainer [2018-11-18 09:25:55,587 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 09:25:55,588 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 09:25:55,588 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 09:25:55,590 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 09:25:55,591 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 09:25:55" (1/3) ... [2018-11-18 09:25:55,591 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12f09f89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:25:55, skipping insertion in model container [2018-11-18 09:25:55,591 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:25:55" (2/3) ... [2018-11-18 09:25:55,592 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12f09f89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:25:55, skipping insertion in model container [2018-11-18 09:25:55,592 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:25:55" (3/3) ... [2018-11-18 09:25:55,593 INFO L112 eAbstractionObserver]: Analyzing ICFG ChawdharyCookGulwaniSagivYang-ESOP2008-random2d_true-termination_true-no-overflow.c [2018-11-18 09:25:55,599 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 09:25:55,603 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 10 error locations. [2018-11-18 09:25:55,611 INFO L257 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2018-11-18 09:25:55,630 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 09:25:55,631 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 09:25:55,631 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 09:25:55,631 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 09:25:55,631 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 09:25:55,631 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 09:25:55,631 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 09:25:55,632 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 09:25:55,632 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 09:25:55,643 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states. [2018-11-18 09:25:55,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-18 09:25:55,647 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:25:55,648 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:25:55,650 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 09:25:55,656 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:25:55,656 INFO L82 PathProgramCache]: Analyzing trace with hash 1007353508, now seen corresponding path program 1 times [2018-11-18 09:25:55,658 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:25:55,658 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:25:55,695 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:25:55,695 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:25:55,695 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:25:55,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:25:55,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:25:55,742 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:25:55,743 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 09:25:55,745 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 09:25:55,753 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 09:25:55,753 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 09:25:55,755 INFO L87 Difference]: Start difference. First operand 37 states. Second operand 3 states. [2018-11-18 09:25:55,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:25:55,794 INFO L93 Difference]: Finished difference Result 50 states and 58 transitions. [2018-11-18 09:25:55,795 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 09:25:55,795 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2018-11-18 09:25:55,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:25:55,802 INFO L225 Difference]: With dead ends: 50 [2018-11-18 09:25:55,802 INFO L226 Difference]: Without dead ends: 36 [2018-11-18 09:25:55,804 INFO L604 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 [2018-11-18 09:25:55,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2018-11-18 09:25:55,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 35. [2018-11-18 09:25:55,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2018-11-18 09:25:55,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 40 transitions. [2018-11-18 09:25:55,826 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 40 transitions. Word has length 8 [2018-11-18 09:25:55,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:25:55,826 INFO L480 AbstractCegarLoop]: Abstraction has 35 states and 40 transitions. [2018-11-18 09:25:55,826 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 09:25:55,826 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 40 transitions. [2018-11-18 09:25:55,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-18 09:25:55,827 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:25:55,827 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:25:55,827 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 09:25:55,827 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:25:55,828 INFO L82 PathProgramCache]: Analyzing trace with hash 1163187724, now seen corresponding path program 1 times [2018-11-18 09:25:55,828 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:25:55,828 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:25:55,829 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:25:55,829 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:25:55,829 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:25:55,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:25:55,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:25:55,850 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:25:55,850 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 09:25:55,852 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 09:25:55,852 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 09:25:55,852 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 09:25:55,852 INFO L87 Difference]: Start difference. First operand 35 states and 40 transitions. Second operand 3 states. [2018-11-18 09:25:55,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:25:55,865 INFO L93 Difference]: Finished difference Result 35 states and 40 transitions. [2018-11-18 09:25:55,865 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 09:25:55,865 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2018-11-18 09:25:55,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:25:55,866 INFO L225 Difference]: With dead ends: 35 [2018-11-18 09:25:55,866 INFO L226 Difference]: Without dead ends: 34 [2018-11-18 09:25:55,867 INFO L604 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 [2018-11-18 09:25:55,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2018-11-18 09:25:55,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2018-11-18 09:25:55,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2018-11-18 09:25:55,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 39 transitions. [2018-11-18 09:25:55,870 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 39 transitions. Word has length 9 [2018-11-18 09:25:55,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:25:55,870 INFO L480 AbstractCegarLoop]: Abstraction has 34 states and 39 transitions. [2018-11-18 09:25:55,870 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 09:25:55,870 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 39 transitions. [2018-11-18 09:25:55,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-18 09:25:55,871 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:25:55,871 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:25:55,871 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 09:25:55,871 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:25:55,871 INFO L82 PathProgramCache]: Analyzing trace with hash 729392297, now seen corresponding path program 1 times [2018-11-18 09:25:55,872 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:25:55,872 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:25:55,873 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:25:55,873 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:25:55,873 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:25:55,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:25:55,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:25:55,901 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:25:55,901 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 09:25:55,901 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 09:25:55,902 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 09:25:55,902 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 09:25:55,902 INFO L87 Difference]: Start difference. First operand 34 states and 39 transitions. Second operand 3 states. [2018-11-18 09:25:55,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:25:55,938 INFO L93 Difference]: Finished difference Result 58 states and 70 transitions. [2018-11-18 09:25:55,938 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 09:25:55,938 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2018-11-18 09:25:55,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:25:55,939 INFO L225 Difference]: With dead ends: 58 [2018-11-18 09:25:55,939 INFO L226 Difference]: Without dead ends: 56 [2018-11-18 09:25:55,939 INFO L604 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 [2018-11-18 09:25:55,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2018-11-18 09:25:55,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 50. [2018-11-18 09:25:55,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-11-18 09:25:55,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 66 transitions. [2018-11-18 09:25:55,943 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 66 transitions. Word has length 12 [2018-11-18 09:25:55,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:25:55,943 INFO L480 AbstractCegarLoop]: Abstraction has 50 states and 66 transitions. [2018-11-18 09:25:55,943 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 09:25:55,943 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 66 transitions. [2018-11-18 09:25:55,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-18 09:25:55,943 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:25:55,943 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:25:55,944 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 09:25:55,944 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:25:55,944 INFO L82 PathProgramCache]: Analyzing trace with hash 1136324785, now seen corresponding path program 1 times [2018-11-18 09:25:55,944 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:25:55,944 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:25:55,945 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:25:55,945 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:25:55,945 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:25:55,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:25:55,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:25:55,963 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:25:55,964 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 09:25:55,964 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 09:25:55,964 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 09:25:55,964 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 09:25:55,964 INFO L87 Difference]: Start difference. First operand 50 states and 66 transitions. Second operand 3 states. [2018-11-18 09:25:55,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:25:55,991 INFO L93 Difference]: Finished difference Result 90 states and 124 transitions. [2018-11-18 09:25:55,991 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 09:25:55,991 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2018-11-18 09:25:55,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:25:55,992 INFO L225 Difference]: With dead ends: 90 [2018-11-18 09:25:55,992 INFO L226 Difference]: Without dead ends: 88 [2018-11-18 09:25:55,993 INFO L604 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 [2018-11-18 09:25:55,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2018-11-18 09:25:55,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 83. [2018-11-18 09:25:55,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2018-11-18 09:25:56,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 121 transitions. [2018-11-18 09:25:56,000 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 121 transitions. Word has length 13 [2018-11-18 09:25:56,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:25:56,000 INFO L480 AbstractCegarLoop]: Abstraction has 83 states and 121 transitions. [2018-11-18 09:25:56,000 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 09:25:56,000 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 121 transitions. [2018-11-18 09:25:56,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-18 09:25:56,001 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:25:56,001 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:25:56,001 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 09:25:56,001 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:25:56,001 INFO L82 PathProgramCache]: Analyzing trace with hash 1137470874, now seen corresponding path program 1 times [2018-11-18 09:25:56,002 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:25:56,002 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:25:56,002 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:25:56,003 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:25:56,003 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:25:56,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:25:56,020 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 09:25:56,020 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:25:56,020 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_db2fc32e-7468-41ba-9f19-319f5cfd55c1/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 [2018-11-18 09:25:56,028 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:25:56,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:25:56,041 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:25:56,080 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:25:56,100 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 09:25:56,100 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2018-11-18 09:25:56,100 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 09:25:56,100 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 09:25:56,100 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 09:25:56,101 INFO L87 Difference]: Start difference. First operand 83 states and 121 transitions. Second operand 6 states. [2018-11-18 09:25:56,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:25:56,154 INFO L93 Difference]: Finished difference Result 167 states and 236 transitions. [2018-11-18 09:25:56,154 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 09:25:56,155 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 13 [2018-11-18 09:25:56,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:25:56,156 INFO L225 Difference]: With dead ends: 167 [2018-11-18 09:25:56,156 INFO L226 Difference]: Without dead ends: 166 [2018-11-18 09:25:56,156 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2018-11-18 09:25:56,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2018-11-18 09:25:56,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 79. [2018-11-18 09:25:56,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2018-11-18 09:25:56,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 114 transitions. [2018-11-18 09:25:56,165 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 114 transitions. Word has length 13 [2018-11-18 09:25:56,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:25:56,165 INFO L480 AbstractCegarLoop]: Abstraction has 79 states and 114 transitions. [2018-11-18 09:25:56,165 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 09:25:56,165 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 114 transitions. [2018-11-18 09:25:56,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-18 09:25:56,166 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:25:56,166 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:25:56,166 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 09:25:56,166 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:25:56,166 INFO L82 PathProgramCache]: Analyzing trace with hash 866521714, now seen corresponding path program 1 times [2018-11-18 09:25:56,166 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:25:56,166 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:25:56,167 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:25:56,167 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:25:56,167 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:25:56,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:25:56,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:25:56,182 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:25:56,182 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 09:25:56,182 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 09:25:56,182 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 09:25:56,182 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 09:25:56,182 INFO L87 Difference]: Start difference. First operand 79 states and 114 transitions. Second operand 3 states. [2018-11-18 09:25:56,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:25:56,214 INFO L93 Difference]: Finished difference Result 151 states and 223 transitions. [2018-11-18 09:25:56,214 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 09:25:56,214 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14 [2018-11-18 09:25:56,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:25:56,215 INFO L225 Difference]: With dead ends: 151 [2018-11-18 09:25:56,215 INFO L226 Difference]: Without dead ends: 149 [2018-11-18 09:25:56,215 INFO L604 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 [2018-11-18 09:25:56,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2018-11-18 09:25:56,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 141. [2018-11-18 09:25:56,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2018-11-18 09:25:56,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 207 transitions. [2018-11-18 09:25:56,225 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 207 transitions. Word has length 14 [2018-11-18 09:25:56,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:25:56,226 INFO L480 AbstractCegarLoop]: Abstraction has 141 states and 207 transitions. [2018-11-18 09:25:56,226 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 09:25:56,226 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 207 transitions. [2018-11-18 09:25:56,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-18 09:25:56,227 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:25:56,227 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:25:56,228 INFO L423 AbstractCegarLoop]: === Iteration 7 === [mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 09:25:56,228 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:25:56,228 INFO L82 PathProgramCache]: Analyzing trace with hash 1092369434, now seen corresponding path program 1 times [2018-11-18 09:25:56,228 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:25:56,228 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:25:56,229 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:25:56,229 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:25:56,230 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:25:56,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:25:56,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:25:56,251 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:25:56,251 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 09:25:56,251 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 09:25:56,251 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 09:25:56,251 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 09:25:56,251 INFO L87 Difference]: Start difference. First operand 141 states and 207 transitions. Second operand 3 states. [2018-11-18 09:25:56,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:25:56,278 INFO L93 Difference]: Finished difference Result 275 states and 409 transitions. [2018-11-18 09:25:56,279 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 09:25:56,279 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 15 [2018-11-18 09:25:56,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:25:56,280 INFO L225 Difference]: With dead ends: 275 [2018-11-18 09:25:56,281 INFO L226 Difference]: Without dead ends: 273 [2018-11-18 09:25:56,281 INFO L604 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 [2018-11-18 09:25:56,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2018-11-18 09:25:56,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 269. [2018-11-18 09:25:56,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 269 states. [2018-11-18 09:25:56,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 397 transitions. [2018-11-18 09:25:56,299 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 397 transitions. Word has length 15 [2018-11-18 09:25:56,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:25:56,299 INFO L480 AbstractCegarLoop]: Abstraction has 269 states and 397 transitions. [2018-11-18 09:25:56,300 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 09:25:56,300 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 397 transitions. [2018-11-18 09:25:56,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-18 09:25:56,300 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:25:56,300 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:25:56,301 INFO L423 AbstractCegarLoop]: === Iteration 8 === [mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 09:25:56,301 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:25:56,301 INFO L82 PathProgramCache]: Analyzing trace with hash 195554908, now seen corresponding path program 1 times [2018-11-18 09:25:56,301 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:25:56,301 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:25:56,302 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:25:56,302 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:25:56,302 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:25:56,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:25:56,331 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:25:56,331 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:25:56,331 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_db2fc32e-7468-41ba-9f19-319f5cfd55c1/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 [2018-11-18 09:25:56,346 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:25:56,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:25:56,353 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:25:56,355 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:25:56,370 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 09:25:56,370 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2018-11-18 09:25:56,370 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 09:25:56,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 09:25:56,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 09:25:56,371 INFO L87 Difference]: Start difference. First operand 269 states and 397 transitions. Second operand 4 states. [2018-11-18 09:25:56,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:25:56,418 INFO L93 Difference]: Finished difference Result 481 states and 720 transitions. [2018-11-18 09:25:56,418 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 09:25:56,418 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2018-11-18 09:25:56,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:25:56,420 INFO L225 Difference]: With dead ends: 481 [2018-11-18 09:25:56,420 INFO L226 Difference]: Without dead ends: 479 [2018-11-18 09:25:56,421 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 09:25:56,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 479 states. [2018-11-18 09:25:56,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 479 to 385. [2018-11-18 09:25:56,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 385 states. [2018-11-18 09:25:56,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 385 states and 571 transitions. [2018-11-18 09:25:56,436 INFO L78 Accepts]: Start accepts. Automaton has 385 states and 571 transitions. Word has length 20 [2018-11-18 09:25:56,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:25:56,437 INFO L480 AbstractCegarLoop]: Abstraction has 385 states and 571 transitions. [2018-11-18 09:25:56,437 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 09:25:56,437 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 571 transitions. [2018-11-18 09:25:56,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-18 09:25:56,439 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:25:56,439 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:25:56,439 INFO L423 AbstractCegarLoop]: === Iteration 9 === [mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 09:25:56,439 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:25:56,439 INFO L82 PathProgramCache]: Analyzing trace with hash -1628808007, now seen corresponding path program 1 times [2018-11-18 09:25:56,439 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:25:56,439 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:25:56,440 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:25:56,440 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:25:56,441 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:25:56,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:25:56,466 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:25:56,466 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:25:56,466 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_db2fc32e-7468-41ba-9f19-319f5cfd55c1/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 [2018-11-18 09:25:56,478 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:25:56,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:25:56,485 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:25:56,498 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:25:56,522 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 09:25:56,522 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2018-11-18 09:25:56,522 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 09:25:56,523 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 09:25:56,523 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-11-18 09:25:56,523 INFO L87 Difference]: Start difference. First operand 385 states and 571 transitions. Second operand 5 states. [2018-11-18 09:25:56,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:25:56,555 INFO L93 Difference]: Finished difference Result 654 states and 983 transitions. [2018-11-18 09:25:56,556 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 09:25:56,556 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2018-11-18 09:25:56,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:25:56,558 INFO L225 Difference]: With dead ends: 654 [2018-11-18 09:25:56,558 INFO L226 Difference]: Without dead ends: 652 [2018-11-18 09:25:56,558 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-11-18 09:25:56,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 652 states. [2018-11-18 09:25:56,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 652 to 500. [2018-11-18 09:25:56,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 500 states. [2018-11-18 09:25:56,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 500 states and 737 transitions. [2018-11-18 09:25:56,573 INFO L78 Accepts]: Start accepts. Automaton has 500 states and 737 transitions. Word has length 22 [2018-11-18 09:25:56,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:25:56,573 INFO L480 AbstractCegarLoop]: Abstraction has 500 states and 737 transitions. [2018-11-18 09:25:56,573 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 09:25:56,573 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 737 transitions. [2018-11-18 09:25:56,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-18 09:25:56,574 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:25:56,574 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:25:56,575 INFO L423 AbstractCegarLoop]: === Iteration 10 === [mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 09:25:56,575 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:25:56,575 INFO L82 PathProgramCache]: Analyzing trace with hash -143968740, now seen corresponding path program 1 times [2018-11-18 09:25:56,575 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:25:56,576 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:25:56,576 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:25:56,577 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:25:56,577 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:25:56,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:25:56,601 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:25:56,601 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:25:56,601 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_db2fc32e-7468-41ba-9f19-319f5cfd55c1/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 [2018-11-18 09:25:56,613 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:25:56,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:25:56,622 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:25:56,625 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:25:56,639 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 09:25:56,640 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2018-11-18 09:25:56,640 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 09:25:56,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 09:25:56,640 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 09:25:56,640 INFO L87 Difference]: Start difference. First operand 500 states and 737 transitions. Second operand 4 states. [2018-11-18 09:25:56,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:25:56,687 INFO L93 Difference]: Finished difference Result 894 states and 1344 transitions. [2018-11-18 09:25:56,687 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 09:25:56,688 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24 [2018-11-18 09:25:56,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:25:56,691 INFO L225 Difference]: With dead ends: 894 [2018-11-18 09:25:56,691 INFO L226 Difference]: Without dead ends: 892 [2018-11-18 09:25:56,692 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 09:25:56,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 892 states. [2018-11-18 09:25:56,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 892 to 720. [2018-11-18 09:25:56,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 720 states. [2018-11-18 09:25:56,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 720 states to 720 states and 1059 transitions. [2018-11-18 09:25:56,711 INFO L78 Accepts]: Start accepts. Automaton has 720 states and 1059 transitions. Word has length 24 [2018-11-18 09:25:56,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:25:56,711 INFO L480 AbstractCegarLoop]: Abstraction has 720 states and 1059 transitions. [2018-11-18 09:25:56,711 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 09:25:56,711 INFO L276 IsEmpty]: Start isEmpty. Operand 720 states and 1059 transitions. [2018-11-18 09:25:56,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 09:25:56,712 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:25:56,712 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:25:56,713 INFO L423 AbstractCegarLoop]: === Iteration 11 === [mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 09:25:56,713 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:25:56,713 INFO L82 PathProgramCache]: Analyzing trace with hash -981204821, now seen corresponding path program 1 times [2018-11-18 09:25:56,713 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:25:56,713 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:25:56,715 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:25:56,715 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:25:56,715 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:25:56,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:25:56,737 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:25:56,738 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:25:56,738 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_db2fc32e-7468-41ba-9f19-319f5cfd55c1/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 [2018-11-18 09:25:56,744 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:25:56,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:25:56,755 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:25:56,772 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:25:56,787 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 09:25:56,787 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2018-11-18 09:25:56,788 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 09:25:56,788 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 09:25:56,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-11-18 09:25:56,788 INFO L87 Difference]: Start difference. First operand 720 states and 1059 transitions. Second operand 5 states. [2018-11-18 09:25:56,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:25:56,830 INFO L93 Difference]: Finished difference Result 1223 states and 1831 transitions. [2018-11-18 09:25:56,830 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 09:25:56,830 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2018-11-18 09:25:56,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:25:56,833 INFO L225 Difference]: With dead ends: 1223 [2018-11-18 09:25:56,833 INFO L226 Difference]: Without dead ends: 1221 [2018-11-18 09:25:56,834 INFO L604 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 [2018-11-18 09:25:56,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1221 states. [2018-11-18 09:25:56,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1221 to 939. [2018-11-18 09:25:56,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 939 states. [2018-11-18 09:25:56,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 939 states to 939 states and 1365 transitions. [2018-11-18 09:25:56,857 INFO L78 Accepts]: Start accepts. Automaton has 939 states and 1365 transitions. Word has length 26 [2018-11-18 09:25:56,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:25:56,857 INFO L480 AbstractCegarLoop]: Abstraction has 939 states and 1365 transitions. [2018-11-18 09:25:56,857 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 09:25:56,858 INFO L276 IsEmpty]: Start isEmpty. Operand 939 states and 1365 transitions. [2018-11-18 09:25:56,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-18 09:25:56,859 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:25:56,859 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1] [2018-11-18 09:25:56,859 INFO L423 AbstractCegarLoop]: === Iteration 12 === [mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 09:25:56,859 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:25:56,859 INFO L82 PathProgramCache]: Analyzing trace with hash 223794447, now seen corresponding path program 2 times [2018-11-18 09:25:56,859 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:25:56,860 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:25:56,860 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:25:56,861 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:25:56,861 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:25:56,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:25:56,905 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:25:56,905 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:25:56,906 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_db2fc32e-7468-41ba-9f19-319f5cfd55c1/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 [2018-11-18 09:25:56,914 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-11-18 09:25:56,924 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-11-18 09:25:56,924 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-18 09:25:56,925 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:25:56,930 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:25:56,947 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 09:25:56,947 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2018-11-18 09:25:56,948 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 09:25:56,948 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 09:25:56,948 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-11-18 09:25:56,948 INFO L87 Difference]: Start difference. First operand 939 states and 1365 transitions. Second operand 5 states. [2018-11-18 09:25:57,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:25:57,001 INFO L93 Difference]: Finished difference Result 1612 states and 2374 transitions. [2018-11-18 09:25:57,002 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 09:25:57,002 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 28 [2018-11-18 09:25:57,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:25:57,005 INFO L225 Difference]: With dead ends: 1612 [2018-11-18 09:25:57,005 INFO L226 Difference]: Without dead ends: 1610 [2018-11-18 09:25:57,006 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-11-18 09:25:57,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1610 states. [2018-11-18 09:25:57,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1610 to 1285. [2018-11-18 09:25:57,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1285 states. [2018-11-18 09:25:57,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1285 states to 1285 states and 1860 transitions. [2018-11-18 09:25:57,036 INFO L78 Accepts]: Start accepts. Automaton has 1285 states and 1860 transitions. Word has length 28 [2018-11-18 09:25:57,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:25:57,036 INFO L480 AbstractCegarLoop]: Abstraction has 1285 states and 1860 transitions. [2018-11-18 09:25:57,036 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 09:25:57,037 INFO L276 IsEmpty]: Start isEmpty. Operand 1285 states and 1860 transitions. [2018-11-18 09:25:57,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-18 09:25:57,037 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:25:57,038 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1] [2018-11-18 09:25:57,038 INFO L423 AbstractCegarLoop]: === Iteration 13 === [mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 09:25:57,038 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:25:57,038 INFO L82 PathProgramCache]: Analyzing trace with hash -849210868, now seen corresponding path program 1 times [2018-11-18 09:25:57,038 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:25:57,038 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:25:57,039 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:25:57,039 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 09:25:57,039 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:25:57,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:25:57,071 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:25:57,071 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:25:57,071 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_db2fc32e-7468-41ba-9f19-319f5cfd55c1/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 [2018-11-18 09:25:57,078 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:25:57,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:25:57,102 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:25:57,106 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:25:57,121 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 09:25:57,121 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2018-11-18 09:25:57,121 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 09:25:57,121 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 09:25:57,122 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-11-18 09:25:57,122 INFO L87 Difference]: Start difference. First operand 1285 states and 1860 transitions. Second operand 5 states. [2018-11-18 09:25:57,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:25:57,178 INFO L93 Difference]: Finished difference Result 2091 states and 3042 transitions. [2018-11-18 09:25:57,178 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 09:25:57,179 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2018-11-18 09:25:57,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:25:57,183 INFO L225 Difference]: With dead ends: 2091 [2018-11-18 09:25:57,183 INFO L226 Difference]: Without dead ends: 2090 [2018-11-18 09:25:57,184 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-11-18 09:25:57,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2090 states. [2018-11-18 09:25:57,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2090 to 1537. [2018-11-18 09:25:57,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1537 states. [2018-11-18 09:25:57,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1537 states to 1537 states and 2222 transitions. [2018-11-18 09:25:57,223 INFO L78 Accepts]: Start accepts. Automaton has 1537 states and 2222 transitions. Word has length 32 [2018-11-18 09:25:57,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:25:57,223 INFO L480 AbstractCegarLoop]: Abstraction has 1537 states and 2222 transitions. [2018-11-18 09:25:57,223 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 09:25:57,224 INFO L276 IsEmpty]: Start isEmpty. Operand 1537 states and 2222 transitions. [2018-11-18 09:25:57,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-18 09:25:57,224 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:25:57,225 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1] [2018-11-18 09:25:57,225 INFO L423 AbstractCegarLoop]: === Iteration 14 === [mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 09:25:57,225 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:25:57,226 INFO L82 PathProgramCache]: Analyzing trace with hash -1388360378, now seen corresponding path program 2 times [2018-11-18 09:25:57,226 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:25:57,226 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:25:57,227 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:25:57,227 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:25:57,227 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:25:57,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:25:57,267 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:25:57,267 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:25:57,267 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_db2fc32e-7468-41ba-9f19-319f5cfd55c1/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 [2018-11-18 09:25:57,274 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-11-18 09:25:57,297 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-11-18 09:25:57,297 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-18 09:25:57,299 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:25:57,303 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:25:57,318 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 09:25:57,318 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2018-11-18 09:25:57,319 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 09:25:57,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 09:25:57,319 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-11-18 09:25:57,319 INFO L87 Difference]: Start difference. First operand 1537 states and 2222 transitions. Second operand 5 states. [2018-11-18 09:25:57,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:25:57,388 INFO L93 Difference]: Finished difference Result 2635 states and 3866 transitions. [2018-11-18 09:25:57,389 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 09:25:57,389 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2018-11-18 09:25:57,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:25:57,393 INFO L225 Difference]: With dead ends: 2635 [2018-11-18 09:25:57,394 INFO L226 Difference]: Without dead ends: 2633 [2018-11-18 09:25:57,395 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-11-18 09:25:57,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2633 states. [2018-11-18 09:25:57,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2633 to 2106. [2018-11-18 09:25:57,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2106 states. [2018-11-18 09:25:57,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2106 states to 2106 states and 3029 transitions. [2018-11-18 09:25:57,436 INFO L78 Accepts]: Start accepts. Automaton has 2106 states and 3029 transitions. Word has length 34 [2018-11-18 09:25:57,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:25:57,437 INFO L480 AbstractCegarLoop]: Abstraction has 2106 states and 3029 transitions. [2018-11-18 09:25:57,437 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 09:25:57,437 INFO L276 IsEmpty]: Start isEmpty. Operand 2106 states and 3029 transitions. [2018-11-18 09:25:57,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-18 09:25:57,438 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:25:57,438 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1] [2018-11-18 09:25:57,438 INFO L423 AbstractCegarLoop]: === Iteration 15 === [mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 09:25:57,438 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:25:57,439 INFO L82 PathProgramCache]: Analyzing trace with hash -1466345278, now seen corresponding path program 3 times [2018-11-18 09:25:57,439 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:25:57,439 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:25:57,439 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:25:57,440 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 09:25:57,440 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:25:57,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:25:57,486 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:25:57,486 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:25:57,486 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_db2fc32e-7468-41ba-9f19-319f5cfd55c1/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 [2018-11-18 09:25:57,493 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-11-18 09:25:57,519 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2018-11-18 09:25:57,519 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-18 09:25:57,520 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:25:57,524 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:25:57,541 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 09:25:57,541 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2018-11-18 09:25:57,541 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 09:25:57,541 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 09:25:57,542 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2018-11-18 09:25:57,542 INFO L87 Difference]: Start difference. First operand 2106 states and 3029 transitions. Second operand 6 states. [2018-11-18 09:25:57,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:25:57,605 INFO L93 Difference]: Finished difference Result 3397 states and 4956 transitions. [2018-11-18 09:25:57,606 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 09:25:57,606 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 36 [2018-11-18 09:25:57,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:25:57,611 INFO L225 Difference]: With dead ends: 3397 [2018-11-18 09:25:57,612 INFO L226 Difference]: Without dead ends: 3395 [2018-11-18 09:25:57,613 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2018-11-18 09:25:57,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3395 states. [2018-11-18 09:25:57,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3395 to 2754. [2018-11-18 09:25:57,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2754 states. [2018-11-18 09:25:57,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2754 states to 2754 states and 3940 transitions. [2018-11-18 09:25:57,667 INFO L78 Accepts]: Start accepts. Automaton has 2754 states and 3940 transitions. Word has length 36 [2018-11-18 09:25:57,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:25:57,668 INFO L480 AbstractCegarLoop]: Abstraction has 2754 states and 3940 transitions. [2018-11-18 09:25:57,668 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 09:25:57,668 INFO L276 IsEmpty]: Start isEmpty. Operand 2754 states and 3940 transitions. [2018-11-18 09:25:57,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-18 09:25:57,668 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:25:57,668 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1] [2018-11-18 09:25:57,669 INFO L423 AbstractCegarLoop]: === Iteration 16 === [mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 09:25:57,669 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:25:57,669 INFO L82 PathProgramCache]: Analyzing trace with hash 1981242741, now seen corresponding path program 1 times [2018-11-18 09:25:57,669 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:25:57,669 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:25:57,670 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:25:57,670 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 09:25:57,670 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:25:57,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:25:57,702 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:25:57,702 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:25:57,702 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_db2fc32e-7468-41ba-9f19-319f5cfd55c1/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 [2018-11-18 09:25:57,718 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:25:57,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:25:57,726 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:25:57,731 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:25:57,746 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 09:25:57,746 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2018-11-18 09:25:57,746 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 09:25:57,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 09:25:57,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-11-18 09:25:57,747 INFO L87 Difference]: Start difference. First operand 2754 states and 3940 transitions. Second operand 5 states. [2018-11-18 09:25:57,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:25:57,836 INFO L93 Difference]: Finished difference Result 4475 states and 6448 transitions. [2018-11-18 09:25:57,836 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 09:25:57,836 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 38 [2018-11-18 09:25:57,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:25:57,843 INFO L225 Difference]: With dead ends: 4475 [2018-11-18 09:25:57,843 INFO L226 Difference]: Without dead ends: 4474 [2018-11-18 09:25:57,845 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-11-18 09:25:57,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4474 states. [2018-11-18 09:25:57,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4474 to 3296. [2018-11-18 09:25:57,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3296 states. [2018-11-18 09:25:57,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3296 states to 3296 states and 4708 transitions. [2018-11-18 09:25:57,918 INFO L78 Accepts]: Start accepts. Automaton has 3296 states and 4708 transitions. Word has length 38 [2018-11-18 09:25:57,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:25:57,919 INFO L480 AbstractCegarLoop]: Abstraction has 3296 states and 4708 transitions. [2018-11-18 09:25:57,919 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 09:25:57,919 INFO L276 IsEmpty]: Start isEmpty. Operand 3296 states and 4708 transitions. [2018-11-18 09:25:57,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-18 09:25:57,920 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:25:57,920 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 1, 1, 1, 1, 1, 1] [2018-11-18 09:25:57,920 INFO L423 AbstractCegarLoop]: === Iteration 17 === [mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 09:25:57,920 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:25:57,920 INFO L82 PathProgramCache]: Analyzing trace with hash 1901189380, now seen corresponding path program 2 times [2018-11-18 09:25:57,920 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:25:57,921 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:25:57,921 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:25:57,924 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:25:57,924 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:25:57,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:25:57,966 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:25:57,966 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:25:57,966 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_db2fc32e-7468-41ba-9f19-319f5cfd55c1/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 [2018-11-18 09:25:57,973 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-11-18 09:25:57,985 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-11-18 09:25:57,985 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-18 09:25:57,987 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:25:57,991 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:25:58,006 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 09:25:58,006 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2018-11-18 09:25:58,007 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 09:25:58,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 09:25:58,007 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2018-11-18 09:25:58,007 INFO L87 Difference]: Start difference. First operand 3296 states and 4708 transitions. Second operand 6 states. [2018-11-18 09:25:58,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:25:58,098 INFO L93 Difference]: Finished difference Result 5056 states and 7276 transitions. [2018-11-18 09:25:58,099 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 09:25:58,099 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 41 [2018-11-18 09:25:58,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:25:58,106 INFO L225 Difference]: With dead ends: 5056 [2018-11-18 09:25:58,107 INFO L226 Difference]: Without dead ends: 5055 [2018-11-18 09:25:58,108 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2018-11-18 09:25:58,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5055 states. [2018-11-18 09:25:58,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5055 to 3710. [2018-11-18 09:25:58,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3710 states. [2018-11-18 09:25:58,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3710 states to 3710 states and 5298 transitions. [2018-11-18 09:25:58,185 INFO L78 Accepts]: Start accepts. Automaton has 3710 states and 5298 transitions. Word has length 41 [2018-11-18 09:25:58,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:25:58,185 INFO L480 AbstractCegarLoop]: Abstraction has 3710 states and 5298 transitions. [2018-11-18 09:25:58,185 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 09:25:58,185 INFO L276 IsEmpty]: Start isEmpty. Operand 3710 states and 5298 transitions. [2018-11-18 09:25:58,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-18 09:25:58,186 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:25:58,187 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 4, 4, 1, 1, 1, 1, 1, 1] [2018-11-18 09:25:58,187 INFO L423 AbstractCegarLoop]: === Iteration 18 === [mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 09:25:58,187 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:25:58,187 INFO L82 PathProgramCache]: Analyzing trace with hash -1836942987, now seen corresponding path program 4 times [2018-11-18 09:25:58,187 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:25:58,187 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:25:58,188 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:25:58,188 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 09:25:58,188 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:25:58,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:25:58,234 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:25:58,234 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:25:58,234 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_db2fc32e-7468-41ba-9f19-319f5cfd55c1/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 [2018-11-18 09:25:58,251 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-11-18 09:25:58,273 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-11-18 09:25:58,273 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-18 09:25:58,275 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:25:58,282 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:25:58,298 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 09:25:58,298 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2018-11-18 09:25:58,298 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 09:25:58,298 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 09:25:58,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2018-11-18 09:25:58,299 INFO L87 Difference]: Start difference. First operand 3710 states and 5298 transitions. Second operand 7 states. [2018-11-18 09:25:58,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:25:58,425 INFO L93 Difference]: Finished difference Result 5694 states and 8252 transitions. [2018-11-18 09:25:58,426 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 09:25:58,426 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 44 [2018-11-18 09:25:58,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:25:58,441 INFO L225 Difference]: With dead ends: 5694 [2018-11-18 09:25:58,441 INFO L226 Difference]: Without dead ends: 5692 [2018-11-18 09:25:58,444 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2018-11-18 09:25:58,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5692 states. [2018-11-18 09:25:58,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5692 to 4693. [2018-11-18 09:25:58,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4693 states. [2018-11-18 09:25:58,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4693 states to 4693 states and 6669 transitions. [2018-11-18 09:25:58,571 INFO L78 Accepts]: Start accepts. Automaton has 4693 states and 6669 transitions. Word has length 44 [2018-11-18 09:25:58,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:25:58,571 INFO L480 AbstractCegarLoop]: Abstraction has 4693 states and 6669 transitions. [2018-11-18 09:25:58,571 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 09:25:58,572 INFO L276 IsEmpty]: Start isEmpty. Operand 4693 states and 6669 transitions. [2018-11-18 09:25:58,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-18 09:25:58,573 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:25:58,573 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1] [2018-11-18 09:25:58,573 INFO L423 AbstractCegarLoop]: === Iteration 19 === [mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 09:25:58,573 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:25:58,573 INFO L82 PathProgramCache]: Analyzing trace with hash 598210544, now seen corresponding path program 3 times [2018-11-18 09:25:58,573 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:25:58,573 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:25:58,574 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:25:58,574 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 09:25:58,574 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:25:58,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:25:58,613 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:25:58,613 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:25:58,613 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_db2fc32e-7468-41ba-9f19-319f5cfd55c1/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 [2018-11-18 09:25:58,620 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-11-18 09:25:58,651 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2018-11-18 09:25:58,651 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-18 09:25:58,652 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:25:58,656 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:25:58,672 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 09:25:58,672 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2018-11-18 09:25:58,673 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 09:25:58,673 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 09:25:58,673 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2018-11-18 09:25:58,673 INFO L87 Difference]: Start difference. First operand 4693 states and 6669 transitions. Second operand 6 states. [2018-11-18 09:25:58,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:25:58,792 INFO L93 Difference]: Finished difference Result 7553 states and 10909 transitions. [2018-11-18 09:25:58,793 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 09:25:58,793 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 44 [2018-11-18 09:25:58,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:25:58,802 INFO L225 Difference]: With dead ends: 7553 [2018-11-18 09:25:58,802 INFO L226 Difference]: Without dead ends: 7551 [2018-11-18 09:25:58,805 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2018-11-18 09:25:58,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7551 states. [2018-11-18 09:25:58,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7551 to 6141. [2018-11-18 09:25:58,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6141 states. [2018-11-18 09:25:58,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6141 states to 6141 states and 8677 transitions. [2018-11-18 09:25:58,925 INFO L78 Accepts]: Start accepts. Automaton has 6141 states and 8677 transitions. Word has length 44 [2018-11-18 09:25:58,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:25:58,925 INFO L480 AbstractCegarLoop]: Abstraction has 6141 states and 8677 transitions. [2018-11-18 09:25:58,925 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 09:25:58,925 INFO L276 IsEmpty]: Start isEmpty. Operand 6141 states and 8677 transitions. [2018-11-18 09:25:58,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-18 09:25:58,926 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:25:58,926 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 1, 1, 1, 1, 1, 1] [2018-11-18 09:25:58,927 INFO L423 AbstractCegarLoop]: === Iteration 20 === [mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 09:25:58,927 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:25:58,927 INFO L82 PathProgramCache]: Analyzing trace with hash -602602044, now seen corresponding path program 2 times [2018-11-18 09:25:58,927 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:25:58,927 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:25:58,928 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:25:58,928 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 09:25:58,928 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:25:58,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:25:58,966 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:25:58,966 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:25:58,966 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_db2fc32e-7468-41ba-9f19-319f5cfd55c1/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 [2018-11-18 09:25:58,987 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-11-18 09:25:59,006 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-11-18 09:25:59,006 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-18 09:25:59,009 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:25:59,014 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:25:59,030 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 09:25:59,030 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2018-11-18 09:25:59,030 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 09:25:59,030 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 09:25:59,030 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2018-11-18 09:25:59,031 INFO L87 Difference]: Start difference. First operand 6141 states and 8677 transitions. Second operand 6 states. [2018-11-18 09:25:59,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:25:59,261 INFO L93 Difference]: Finished difference Result 9410 states and 13413 transitions. [2018-11-18 09:25:59,262 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 09:25:59,262 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 49 [2018-11-18 09:25:59,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:25:59,277 INFO L225 Difference]: With dead ends: 9410 [2018-11-18 09:25:59,277 INFO L226 Difference]: Without dead ends: 9409 [2018-11-18 09:25:59,282 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2018-11-18 09:25:59,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9409 states. [2018-11-18 09:25:59,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9409 to 6913. [2018-11-18 09:25:59,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6913 states. [2018-11-18 09:25:59,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6913 states to 6913 states and 9765 transitions. [2018-11-18 09:25:59,504 INFO L78 Accepts]: Start accepts. Automaton has 6913 states and 9765 transitions. Word has length 49 [2018-11-18 09:25:59,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:25:59,504 INFO L480 AbstractCegarLoop]: Abstraction has 6913 states and 9765 transitions. [2018-11-18 09:25:59,505 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 09:25:59,505 INFO L276 IsEmpty]: Start isEmpty. Operand 6913 states and 9765 transitions. [2018-11-18 09:25:59,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-18 09:25:59,506 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:25:59,506 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 1, 1, 1, 1, 1, 1] [2018-11-18 09:25:59,506 INFO L423 AbstractCegarLoop]: === Iteration 21 === [mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 09:25:59,507 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:25:59,507 INFO L82 PathProgramCache]: Analyzing trace with hash 1055287564, now seen corresponding path program 3 times [2018-11-18 09:25:59,507 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:25:59,507 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:25:59,508 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:25:59,508 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 09:25:59,508 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:25:59,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:25:59,541 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:25:59,541 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:25:59,541 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_db2fc32e-7468-41ba-9f19-319f5cfd55c1/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 [2018-11-18 09:25:59,550 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-11-18 09:25:59,567 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2018-11-18 09:25:59,568 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-18 09:25:59,569 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:25:59,575 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:25:59,600 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 09:25:59,600 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2018-11-18 09:25:59,600 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 09:25:59,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 09:25:59,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2018-11-18 09:25:59,601 INFO L87 Difference]: Start difference. First operand 6913 states and 9765 transitions. Second operand 7 states. [2018-11-18 09:25:59,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:25:59,846 INFO L93 Difference]: Finished difference Result 10150 states and 14465 transitions. [2018-11-18 09:25:59,847 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 09:25:59,847 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 50 [2018-11-18 09:25:59,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:25:59,874 INFO L225 Difference]: With dead ends: 10150 [2018-11-18 09:25:59,874 INFO L226 Difference]: Without dead ends: 10149 [2018-11-18 09:25:59,876 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2018-11-18 09:25:59,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10149 states. [2018-11-18 09:25:59,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10149 to 7523. [2018-11-18 09:25:59,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7523 states. [2018-11-18 09:26:00,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7523 states to 7523 states and 10629 transitions. [2018-11-18 09:26:00,005 INFO L78 Accepts]: Start accepts. Automaton has 7523 states and 10629 transitions. Word has length 50 [2018-11-18 09:26:00,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:26:00,005 INFO L480 AbstractCegarLoop]: Abstraction has 7523 states and 10629 transitions. [2018-11-18 09:26:00,005 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 09:26:00,005 INFO L276 IsEmpty]: Start isEmpty. Operand 7523 states and 10629 transitions. [2018-11-18 09:26:00,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-18 09:26:00,007 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:26:00,007 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 5, 5, 1, 1, 1, 1, 1, 1] [2018-11-18 09:26:00,007 INFO L423 AbstractCegarLoop]: === Iteration 22 === [mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 09:26:00,007 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:26:00,007 INFO L82 PathProgramCache]: Analyzing trace with hash -1121634520, now seen corresponding path program 5 times [2018-11-18 09:26:00,007 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:26:00,008 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:26:00,008 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:26:00,008 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 09:26:00,008 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:26:00,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:26:00,050 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 0 proven. 115 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:26:00,050 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:26:00,050 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_db2fc32e-7468-41ba-9f19-319f5cfd55c1/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 [2018-11-18 09:26:00,058 INFO L103 rtionOrderModulation]: Keeping assertion order INSIDE_LOOP_FIRST1 [2018-11-18 09:26:00,093 INFO L249 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2018-11-18 09:26:00,093 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-18 09:26:00,094 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:26:00,098 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 0 proven. 115 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:26:00,114 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 09:26:00,115 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2018-11-18 09:26:00,115 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 09:26:00,115 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 09:26:00,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2018-11-18 09:26:00,115 INFO L87 Difference]: Start difference. First operand 7523 states and 10629 transitions. Second operand 8 states. [2018-11-18 09:26:00,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:26:00,276 INFO L93 Difference]: Finished difference Result 11088 states and 15913 transitions. [2018-11-18 09:26:00,278 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 09:26:00,278 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 52 [2018-11-18 09:26:00,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:26:00,289 INFO L225 Difference]: With dead ends: 11088 [2018-11-18 09:26:00,289 INFO L226 Difference]: Without dead ends: 11086 [2018-11-18 09:26:00,293 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2018-11-18 09:26:00,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11086 states. [2018-11-18 09:26:00,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11086 to 9277. [2018-11-18 09:26:00,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9277 states. [2018-11-18 09:26:00,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9277 states to 9277 states and 13050 transitions. [2018-11-18 09:26:00,442 INFO L78 Accepts]: Start accepts. Automaton has 9277 states and 13050 transitions. Word has length 52 [2018-11-18 09:26:00,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:26:00,442 INFO L480 AbstractCegarLoop]: Abstraction has 9277 states and 13050 transitions. [2018-11-18 09:26:00,442 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 09:26:00,442 INFO L276 IsEmpty]: Start isEmpty. Operand 9277 states and 13050 transitions. [2018-11-18 09:26:00,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-18 09:26:00,443 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:26:00,444 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 1, 1, 1, 1, 1, 1] [2018-11-18 09:26:00,444 INFO L423 AbstractCegarLoop]: === Iteration 23 === [mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 09:26:00,444 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:26:00,444 INFO L82 PathProgramCache]: Analyzing trace with hash 1990383130, now seen corresponding path program 4 times [2018-11-18 09:26:00,444 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:26:00,444 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:26:00,445 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:26:00,445 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 09:26:00,445 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:26:00,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:26:00,481 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:26:00,481 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:26:00,481 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_db2fc32e-7468-41ba-9f19-319f5cfd55c1/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 [2018-11-18 09:26:00,489 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-11-18 09:26:00,501 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-11-18 09:26:00,501 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-18 09:26:00,502 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:26:00,506 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:26:00,521 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 09:26:00,521 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2018-11-18 09:26:00,521 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 09:26:00,522 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 09:26:00,522 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2018-11-18 09:26:00,522 INFO L87 Difference]: Start difference. First operand 9277 states and 13050 transitions. Second operand 7 states. [2018-11-18 09:26:00,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:26:00,711 INFO L93 Difference]: Finished difference Result 14212 states and 20329 transitions. [2018-11-18 09:26:00,712 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 09:26:00,712 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 54 [2018-11-18 09:26:00,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:26:00,725 INFO L225 Difference]: With dead ends: 14212 [2018-11-18 09:26:00,725 INFO L226 Difference]: Without dead ends: 14210 [2018-11-18 09:26:00,729 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2018-11-18 09:26:00,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14210 states. [2018-11-18 09:26:01,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14210 to 11739. [2018-11-18 09:26:01,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11739 states. [2018-11-18 09:26:01,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11739 states to 11739 states and 16429 transitions. [2018-11-18 09:26:01,031 INFO L78 Accepts]: Start accepts. Automaton has 11739 states and 16429 transitions. Word has length 54 [2018-11-18 09:26:01,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:26:01,031 INFO L480 AbstractCegarLoop]: Abstraction has 11739 states and 16429 transitions. [2018-11-18 09:26:01,032 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 09:26:01,032 INFO L276 IsEmpty]: Start isEmpty. Operand 11739 states and 16429 transitions. [2018-11-18 09:26:01,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-18 09:26:01,033 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:26:01,034 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 5, 1, 1, 1, 1, 1, 1] [2018-11-18 09:26:01,034 INFO L423 AbstractCegarLoop]: === Iteration 24 === [mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 09:26:01,034 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:26:01,034 INFO L82 PathProgramCache]: Analyzing trace with hash 1774150148, now seen corresponding path program 4 times [2018-11-18 09:26:01,034 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:26:01,034 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:26:01,035 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:26:01,035 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 09:26:01,035 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:26:01,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:26:01,108 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 135 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:26:01,108 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:26:01,108 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_db2fc32e-7468-41ba-9f19-319f5cfd55c1/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 [2018-11-18 09:26:01,121 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-11-18 09:26:01,134 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-11-18 09:26:01,135 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-18 09:26:01,136 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:26:01,143 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 135 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:26:01,168 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 09:26:01,168 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2018-11-18 09:26:01,168 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 09:26:01,168 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 09:26:01,168 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2018-11-18 09:26:01,169 INFO L87 Difference]: Start difference. First operand 11739 states and 16429 transitions. Second operand 8 states. [2018-11-18 09:26:01,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:26:01,416 INFO L93 Difference]: Finished difference Result 16654 states and 23533 transitions. [2018-11-18 09:26:01,416 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 09:26:01,416 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 59 [2018-11-18 09:26:01,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:26:01,430 INFO L225 Difference]: With dead ends: 16654 [2018-11-18 09:26:01,430 INFO L226 Difference]: Without dead ends: 16653 [2018-11-18 09:26:01,435 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2018-11-18 09:26:01,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16653 states. [2018-11-18 09:26:01,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16653 to 12511. [2018-11-18 09:26:01,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12511 states. [2018-11-18 09:26:01,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12511 states to 12511 states and 17517 transitions. [2018-11-18 09:26:01,640 INFO L78 Accepts]: Start accepts. Automaton has 12511 states and 17517 transitions. Word has length 59 [2018-11-18 09:26:01,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:26:01,640 INFO L480 AbstractCegarLoop]: Abstraction has 12511 states and 17517 transitions. [2018-11-18 09:26:01,640 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 09:26:01,640 INFO L276 IsEmpty]: Start isEmpty. Operand 12511 states and 17517 transitions. [2018-11-18 09:26:01,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-18 09:26:01,642 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:26:01,642 INFO L375 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 6, 6, 1, 1, 1, 1, 1, 1] [2018-11-18 09:26:01,642 INFO L423 AbstractCegarLoop]: === Iteration 25 === [mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 09:26:01,643 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:26:01,643 INFO L82 PathProgramCache]: Analyzing trace with hash 1469354459, now seen corresponding path program 6 times [2018-11-18 09:26:01,643 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:26:01,643 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:26:01,644 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:26:01,644 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 09:26:01,644 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:26:01,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:26:01,703 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:26:01,703 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:26:01,703 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_db2fc32e-7468-41ba-9f19-319f5cfd55c1/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 [2018-11-18 09:26:01,711 INFO L103 rtionOrderModulation]: Keeping assertion order MIX_INSIDE_OUTSIDE [2018-11-18 09:26:01,746 INFO L249 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2018-11-18 09:26:01,746 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-18 09:26:01,747 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:26:01,752 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:26:01,767 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 09:26:01,767 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 8 [2018-11-18 09:26:01,767 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 09:26:01,768 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 09:26:01,768 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2018-11-18 09:26:01,768 INFO L87 Difference]: Start difference. First operand 12511 states and 17517 transitions. Second operand 9 states. [2018-11-18 09:26:02,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:26:02,025 INFO L93 Difference]: Finished difference Result 17840 states and 25381 transitions. [2018-11-18 09:26:02,025 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-18 09:26:02,025 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 60 [2018-11-18 09:26:02,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:26:02,041 INFO L225 Difference]: With dead ends: 17840 [2018-11-18 09:26:02,042 INFO L226 Difference]: Without dead ends: 17838 [2018-11-18 09:26:02,045 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2018-11-18 09:26:02,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17838 states. [2018-11-18 09:26:02,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17838 to 15117. [2018-11-18 09:26:02,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15117 states. [2018-11-18 09:26:02,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15117 states to 15117 states and 21085 transitions. [2018-11-18 09:26:02,300 INFO L78 Accepts]: Start accepts. Automaton has 15117 states and 21085 transitions. Word has length 60 [2018-11-18 09:26:02,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:26:02,300 INFO L480 AbstractCegarLoop]: Abstraction has 15117 states and 21085 transitions. [2018-11-18 09:26:02,300 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 09:26:02,300 INFO L276 IsEmpty]: Start isEmpty. Operand 15117 states and 21085 transitions. [2018-11-18 09:26:02,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-18 09:26:02,302 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:26:02,302 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 1, 1, 1, 1, 1, 1] [2018-11-18 09:26:02,302 INFO L423 AbstractCegarLoop]: === Iteration 26 === [mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 09:26:02,302 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:26:02,303 INFO L82 PathProgramCache]: Analyzing trace with hash -1169136107, now seen corresponding path program 3 times [2018-11-18 09:26:02,303 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:26:02,303 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:26:02,303 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:26:02,304 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 09:26:02,304 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:26:02,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:26:02,352 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:26:02,353 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:26:02,353 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_db2fc32e-7468-41ba-9f19-319f5cfd55c1/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 [2018-11-18 09:26:02,368 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-11-18 09:26:02,383 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2018-11-18 09:26:02,383 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-18 09:26:02,385 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:26:02,391 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:26:02,413 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 09:26:02,413 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2018-11-18 09:26:02,413 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 09:26:02,413 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 09:26:02,413 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2018-11-18 09:26:02,414 INFO L87 Difference]: Start difference. First operand 15117 states and 21085 transitions. Second operand 7 states. [2018-11-18 09:26:02,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:26:02,710 INFO L93 Difference]: Finished difference Result 22172 states and 31235 transitions. [2018-11-18 09:26:02,710 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 09:26:02,711 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 60 [2018-11-18 09:26:02,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:26:02,726 INFO L225 Difference]: With dead ends: 22172 [2018-11-18 09:26:02,726 INFO L226 Difference]: Without dead ends: 22171 [2018-11-18 09:26:02,731 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2018-11-18 09:26:02,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22171 states. [2018-11-18 09:26:03,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22171 to 16451. [2018-11-18 09:26:03,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16451 states. [2018-11-18 09:26:03,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16451 states to 16451 states and 22951 transitions. [2018-11-18 09:26:03,039 INFO L78 Accepts]: Start accepts. Automaton has 16451 states and 22951 transitions. Word has length 60 [2018-11-18 09:26:03,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:26:03,039 INFO L480 AbstractCegarLoop]: Abstraction has 16451 states and 22951 transitions. [2018-11-18 09:26:03,039 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 09:26:03,039 INFO L276 IsEmpty]: Start isEmpty. Operand 16451 states and 22951 transitions. [2018-11-18 09:26:03,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-18 09:26:03,041 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:26:03,041 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 1, 1, 1, 1, 1, 1] [2018-11-18 09:26:03,041 INFO L423 AbstractCegarLoop]: === Iteration 27 === [mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 09:26:03,041 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:26:03,041 INFO L82 PathProgramCache]: Analyzing trace with hash -1717205052, now seen corresponding path program 5 times [2018-11-18 09:26:03,041 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:26:03,042 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:26:03,042 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:26:03,043 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 09:26:03,043 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:26:03,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:26:03,103 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:26:03,103 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:26:03,103 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_db2fc32e-7468-41ba-9f19-319f5cfd55c1/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 [2018-11-18 09:26:03,118 INFO L103 rtionOrderModulation]: Keeping assertion order INSIDE_LOOP_FIRST1 [2018-11-18 09:26:03,142 INFO L249 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2018-11-18 09:26:03,143 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-18 09:26:03,144 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:26:03,147 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:26:03,162 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 09:26:03,162 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2018-11-18 09:26:03,162 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 09:26:03,163 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 09:26:03,163 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2018-11-18 09:26:03,163 INFO L87 Difference]: Start difference. First operand 16451 states and 22951 transitions. Second operand 8 states. [2018-11-18 09:26:03,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:26:03,429 INFO L93 Difference]: Finished difference Result 24218 states and 34362 transitions. [2018-11-18 09:26:03,429 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 09:26:03,429 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 64 [2018-11-18 09:26:03,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:26:03,445 INFO L225 Difference]: With dead ends: 24218 [2018-11-18 09:26:03,445 INFO L226 Difference]: Without dead ends: 24216 [2018-11-18 09:26:03,450 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2018-11-18 09:26:03,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24216 states. [2018-11-18 09:26:03,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24216 to 20289. [2018-11-18 09:26:03,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20289 states. [2018-11-18 09:26:03,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20289 states to 20289 states and 28180 transitions. [2018-11-18 09:26:03,761 INFO L78 Accepts]: Start accepts. Automaton has 20289 states and 28180 transitions. Word has length 64 [2018-11-18 09:26:03,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:26:03,761 INFO L480 AbstractCegarLoop]: Abstraction has 20289 states and 28180 transitions. [2018-11-18 09:26:03,761 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 09:26:03,761 INFO L276 IsEmpty]: Start isEmpty. Operand 20289 states and 28180 transitions. [2018-11-18 09:26:03,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-11-18 09:26:03,763 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:26:03,763 INFO L375 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 7, 7, 1, 1, 1, 1, 1, 1] [2018-11-18 09:26:03,763 INFO L423 AbstractCegarLoop]: === Iteration 28 === [mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 09:26:03,763 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:26:03,763 INFO L82 PathProgramCache]: Analyzing trace with hash -840726130, now seen corresponding path program 7 times [2018-11-18 09:26:03,763 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:26:03,763 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:26:03,764 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:26:03,764 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 09:26:03,764 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:26:03,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:26:03,844 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 0 proven. 217 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:26:03,844 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:26:03,844 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_db2fc32e-7468-41ba-9f19-319f5cfd55c1/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 [2018-11-18 09:26:03,854 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:26:03,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:26:03,875 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:26:03,884 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 0 proven. 217 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:26:03,907 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 09:26:03,907 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 9 [2018-11-18 09:26:03,908 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 09:26:03,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 09:26:03,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2018-11-18 09:26:03,908 INFO L87 Difference]: Start difference. First operand 20289 states and 28180 transitions. Second operand 10 states. [2018-11-18 09:26:04,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:26:04,315 INFO L93 Difference]: Finished difference Result 28015 states and 39542 transitions. [2018-11-18 09:26:04,316 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-18 09:26:04,316 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 68 [2018-11-18 09:26:04,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:26:04,410 INFO L225 Difference]: With dead ends: 28015 [2018-11-18 09:26:04,410 INFO L226 Difference]: Without dead ends: 28013 [2018-11-18 09:26:04,412 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2018-11-18 09:26:04,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28013 states. [2018-11-18 09:26:04,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28013 to 23851. [2018-11-18 09:26:04,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23851 states. [2018-11-18 09:26:04,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23851 states to 23851 states and 33013 transitions. [2018-11-18 09:26:04,755 INFO L78 Accepts]: Start accepts. Automaton has 23851 states and 33013 transitions. Word has length 68 [2018-11-18 09:26:04,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:26:04,755 INFO L480 AbstractCegarLoop]: Abstraction has 23851 states and 33013 transitions. [2018-11-18 09:26:04,755 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 09:26:04,755 INFO L276 IsEmpty]: Start isEmpty. Operand 23851 states and 33013 transitions. [2018-11-18 09:26:04,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-11-18 09:26:04,757 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:26:04,757 INFO L375 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 6, 1, 1, 1, 1, 1, 1] [2018-11-18 09:26:04,757 INFO L423 AbstractCegarLoop]: === Iteration 29 === [mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 09:26:04,758 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:26:04,758 INFO L82 PathProgramCache]: Analyzing trace with hash -1096613876, now seen corresponding path program 5 times [2018-11-18 09:26:04,758 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:26:04,758 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:26:04,758 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:26:04,759 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:26:04,759 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:26:04,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:26:04,823 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 0 proven. 189 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:26:04,824 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:26:04,824 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_db2fc32e-7468-41ba-9f19-319f5cfd55c1/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 [2018-11-18 09:26:04,833 INFO L103 rtionOrderModulation]: Keeping assertion order INSIDE_LOOP_FIRST1 [2018-11-18 09:26:04,844 INFO L249 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2018-11-18 09:26:04,844 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-18 09:26:04,844 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:26:04,852 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 0 proven. 189 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:26:04,876 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 09:26:04,876 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 8 [2018-11-18 09:26:04,877 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 09:26:04,877 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 09:26:04,877 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2018-11-18 09:26:04,877 INFO L87 Difference]: Start difference. First operand 23851 states and 33013 transitions. Second operand 9 states. [2018-11-18 09:26:05,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:26:05,231 INFO L93 Difference]: Finished difference Result 35167 states and 49144 transitions. [2018-11-18 09:26:05,231 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-18 09:26:05,232 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 68 [2018-11-18 09:26:05,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:26:05,256 INFO L225 Difference]: With dead ends: 35167 [2018-11-18 09:26:05,256 INFO L226 Difference]: Without dead ends: 35166 [2018-11-18 09:26:05,261 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2018-11-18 09:26:05,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35166 states. [2018-11-18 09:26:05,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35166 to 25341. [2018-11-18 09:26:05,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25341 states. [2018-11-18 09:26:05,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25341 states to 25341 states and 35098 transitions. [2018-11-18 09:26:05,776 INFO L78 Accepts]: Start accepts. Automaton has 25341 states and 35098 transitions. Word has length 68 [2018-11-18 09:26:05,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:26:05,776 INFO L480 AbstractCegarLoop]: Abstraction has 25341 states and 35098 transitions. [2018-11-18 09:26:05,776 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 09:26:05,776 INFO L276 IsEmpty]: Start isEmpty. Operand 25341 states and 35098 transitions. [2018-11-18 09:26:05,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-11-18 09:26:05,777 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:26:05,778 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 1, 1, 1, 1, 1, 1] [2018-11-18 09:26:05,778 INFO L423 AbstractCegarLoop]: === Iteration 30 === [mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 09:26:05,778 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:26:05,778 INFO L82 PathProgramCache]: Analyzing trace with hash 1181636900, now seen corresponding path program 4 times [2018-11-18 09:26:05,778 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:26:05,778 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:26:05,778 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:26:05,779 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 09:26:05,779 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:26:05,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:26:05,837 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 0 proven. 165 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:26:05,837 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:26:05,838 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_db2fc32e-7468-41ba-9f19-319f5cfd55c1/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 [2018-11-18 09:26:05,864 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-11-18 09:26:05,874 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-11-18 09:26:05,874 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-18 09:26:05,875 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:26:05,880 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 0 proven. 165 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:26:05,895 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 09:26:05,895 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2018-11-18 09:26:05,895 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 09:26:05,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 09:26:05,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2018-11-18 09:26:05,895 INFO L87 Difference]: Start difference. First operand 25341 states and 35098 transitions. Second operand 8 states. [2018-11-18 09:26:06,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:26:06,299 INFO L93 Difference]: Finished difference Result 35917 states and 50266 transitions. [2018-11-18 09:26:06,300 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 09:26:06,300 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 71 [2018-11-18 09:26:06,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:26:06,324 INFO L225 Difference]: With dead ends: 35917 [2018-11-18 09:26:06,325 INFO L226 Difference]: Without dead ends: 35916 [2018-11-18 09:26:06,331 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2018-11-18 09:26:06,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35916 states. [2018-11-18 09:26:06,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35916 to 27007. [2018-11-18 09:26:06,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27007 states. [2018-11-18 09:26:06,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27007 states to 27007 states and 37422 transitions. [2018-11-18 09:26:06,785 INFO L78 Accepts]: Start accepts. Automaton has 27007 states and 37422 transitions. Word has length 71 [2018-11-18 09:26:06,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:26:06,785 INFO L480 AbstractCegarLoop]: Abstraction has 27007 states and 37422 transitions. [2018-11-18 09:26:06,785 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 09:26:06,785 INFO L276 IsEmpty]: Start isEmpty. Operand 27007 states and 37422 transitions. [2018-11-18 09:26:06,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-11-18 09:26:06,788 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:26:06,788 INFO L375 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 1, 1, 1, 1, 1, 1] [2018-11-18 09:26:06,788 INFO L423 AbstractCegarLoop]: === Iteration 31 === [mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 09:26:06,788 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:26:06,788 INFO L82 PathProgramCache]: Analyzing trace with hash 1637723374, now seen corresponding path program 6 times [2018-11-18 09:26:06,789 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:26:06,789 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:26:06,789 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:26:06,789 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 09:26:06,789 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:26:06,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:26:06,863 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 0 proven. 204 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:26:06,863 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:26:06,863 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_db2fc32e-7468-41ba-9f19-319f5cfd55c1/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 [2018-11-18 09:26:06,871 INFO L103 rtionOrderModulation]: Keeping assertion order MIX_INSIDE_OUTSIDE [2018-11-18 09:26:06,887 INFO L249 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2018-11-18 09:26:06,887 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-18 09:26:06,888 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:26:06,897 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 0 proven. 204 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:26:06,912 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 09:26:06,912 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 8 [2018-11-18 09:26:06,912 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 09:26:06,912 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 09:26:06,912 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2018-11-18 09:26:06,913 INFO L87 Difference]: Start difference. First operand 27007 states and 37422 transitions. Second operand 9 states. [2018-11-18 09:26:07,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:26:07,496 INFO L93 Difference]: Finished difference Result 38471 states and 54211 transitions. [2018-11-18 09:26:07,496 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-18 09:26:07,497 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 74 [2018-11-18 09:26:07,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:26:07,523 INFO L225 Difference]: With dead ends: 38471 [2018-11-18 09:26:07,523 INFO L226 Difference]: Without dead ends: 38469 [2018-11-18 09:26:07,528 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2018-11-18 09:26:07,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38469 states. [2018-11-18 09:26:08,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38469 to 32634. [2018-11-18 09:26:08,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32634 states. [2018-11-18 09:26:08,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32634 states to 32634 states and 45046 transitions. [2018-11-18 09:26:08,066 INFO L78 Accepts]: Start accepts. Automaton has 32634 states and 45046 transitions. Word has length 74 [2018-11-18 09:26:08,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:26:08,067 INFO L480 AbstractCegarLoop]: Abstraction has 32634 states and 45046 transitions. [2018-11-18 09:26:08,067 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 09:26:08,067 INFO L276 IsEmpty]: Start isEmpty. Operand 32634 states and 45046 transitions. [2018-11-18 09:26:08,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-11-18 09:26:08,069 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:26:08,069 INFO L375 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 8, 8, 1, 1, 1, 1, 1, 1] [2018-11-18 09:26:08,069 INFO L423 AbstractCegarLoop]: === Iteration 32 === [mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 09:26:08,069 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:26:08,069 INFO L82 PathProgramCache]: Analyzing trace with hash -920314303, now seen corresponding path program 8 times [2018-11-18 09:26:08,069 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:26:08,070 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:26:08,070 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:26:08,070 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 09:26:08,070 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:26:08,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:26:08,142 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 0 proven. 280 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:26:08,143 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:26:08,143 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_db2fc32e-7468-41ba-9f19-319f5cfd55c1/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 [2018-11-18 09:26:08,156 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-11-18 09:26:08,166 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-11-18 09:26:08,166 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-18 09:26:08,168 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:26:08,174 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 0 proven. 280 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:26:08,189 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 09:26:08,189 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 10 [2018-11-18 09:26:08,189 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-18 09:26:08,190 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-18 09:26:08,190 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2018-11-18 09:26:08,190 INFO L87 Difference]: Start difference. First operand 32634 states and 45046 transitions. Second operand 11 states. [2018-11-18 09:26:08,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:26:08,784 INFO L93 Difference]: Finished difference Result 43991 states and 61696 transitions. [2018-11-18 09:26:08,784 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-18 09:26:08,784 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 76 [2018-11-18 09:26:08,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:26:08,813 INFO L225 Difference]: With dead ends: 43991 [2018-11-18 09:26:08,813 INFO L226 Difference]: Without dead ends: 43989 [2018-11-18 09:26:08,818 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2018-11-18 09:26:08,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43989 states. [2018-11-18 09:26:09,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43989 to 37888. [2018-11-18 09:26:09,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37888 states. [2018-11-18 09:26:09,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37888 states to 37888 states and 52141 transitions. [2018-11-18 09:26:09,420 INFO L78 Accepts]: Start accepts. Automaton has 37888 states and 52141 transitions. Word has length 76 [2018-11-18 09:26:09,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:26:09,420 INFO L480 AbstractCegarLoop]: Abstraction has 37888 states and 52141 transitions. [2018-11-18 09:26:09,420 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-18 09:26:09,420 INFO L276 IsEmpty]: Start isEmpty. Operand 37888 states and 52141 transitions. [2018-11-18 09:26:09,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-11-18 09:26:09,423 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:26:09,423 INFO L375 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 7, 1, 1, 1, 1, 1, 1] [2018-11-18 09:26:09,423 INFO L423 AbstractCegarLoop]: === Iteration 33 === [mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 09:26:09,423 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:26:09,423 INFO L82 PathProgramCache]: Analyzing trace with hash 792505092, now seen corresponding path program 6 times [2018-11-18 09:26:09,423 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:26:09,423 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:26:09,424 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:26:09,424 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 09:26:09,424 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:26:09,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:26:09,492 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 252 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:26:09,492 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:26:09,492 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_db2fc32e-7468-41ba-9f19-319f5cfd55c1/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 [2018-11-18 09:26:09,502 INFO L103 rtionOrderModulation]: Keeping assertion order MIX_INSIDE_OUTSIDE [2018-11-18 09:26:09,514 INFO L249 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2018-11-18 09:26:09,514 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-18 09:26:09,515 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:26:09,520 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 252 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:26:09,535 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 09:26:09,535 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 9 [2018-11-18 09:26:09,535 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 09:26:09,535 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 09:26:09,536 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2018-11-18 09:26:09,536 INFO L87 Difference]: Start difference. First operand 37888 states and 52141 transitions. Second operand 10 states. [2018-11-18 09:26:10,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:26:10,115 INFO L93 Difference]: Finished difference Result 54536 states and 75804 transitions. [2018-11-18 09:26:10,116 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-18 09:26:10,116 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 77 [2018-11-18 09:26:10,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:26:10,177 INFO L225 Difference]: With dead ends: 54536 [2018-11-18 09:26:10,177 INFO L226 Difference]: Without dead ends: 54535 [2018-11-18 09:26:10,191 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2018-11-18 09:26:10,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54535 states. [2018-11-18 09:26:11,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54535 to 39807. [2018-11-18 09:26:11,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39807 states. [2018-11-18 09:26:11,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39807 states to 39807 states and 54817 transitions. [2018-11-18 09:26:11,071 INFO L78 Accepts]: Start accepts. Automaton has 39807 states and 54817 transitions. Word has length 77 [2018-11-18 09:26:11,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:26:11,071 INFO L480 AbstractCegarLoop]: Abstraction has 39807 states and 54817 transitions. [2018-11-18 09:26:11,071 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 09:26:11,071 INFO L276 IsEmpty]: Start isEmpty. Operand 39807 states and 54817 transitions. [2018-11-18 09:26:11,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-11-18 09:26:11,074 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:26:11,074 INFO L375 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 1, 1, 1, 1, 1, 1] [2018-11-18 09:26:11,074 INFO L423 AbstractCegarLoop]: === Iteration 34 === [mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 09:26:11,074 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:26:11,074 INFO L82 PathProgramCache]: Analyzing trace with hash 160642741, now seen corresponding path program 5 times [2018-11-18 09:26:11,074 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:26:11,074 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:26:11,075 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:26:11,075 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 09:26:11,075 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:26:11,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:26:11,141 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:26:11,141 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:26:11,141 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_db2fc32e-7468-41ba-9f19-319f5cfd55c1/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 [2018-11-18 09:26:11,156 INFO L103 rtionOrderModulation]: Keeping assertion order INSIDE_LOOP_FIRST1 [2018-11-18 09:26:11,169 INFO L249 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2018-11-18 09:26:11,169 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-18 09:26:11,170 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:26:11,177 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:26:11,192 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 09:26:11,192 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 8 [2018-11-18 09:26:11,192 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 09:26:11,192 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 09:26:11,192 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2018-11-18 09:26:11,192 INFO L87 Difference]: Start difference. First operand 39807 states and 54817 transitions. Second operand 9 states. [2018-11-18 09:26:11,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:26:11,831 INFO L93 Difference]: Finished difference Result 54859 states and 76349 transitions. [2018-11-18 09:26:11,831 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-18 09:26:11,831 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 82 [2018-11-18 09:26:11,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:26:11,875 INFO L225 Difference]: With dead ends: 54859 [2018-11-18 09:26:11,875 INFO L226 Difference]: Without dead ends: 54858 [2018-11-18 09:26:11,885 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2018-11-18 09:26:11,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54858 states. [2018-11-18 09:26:12,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54858 to 41839. [2018-11-18 09:26:12,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41839 states. [2018-11-18 09:26:12,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41839 states to 41839 states and 57645 transitions. [2018-11-18 09:26:12,745 INFO L78 Accepts]: Start accepts. Automaton has 41839 states and 57645 transitions. Word has length 82 [2018-11-18 09:26:12,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:26:12,745 INFO L480 AbstractCegarLoop]: Abstraction has 41839 states and 57645 transitions. [2018-11-18 09:26:12,745 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 09:26:12,745 INFO L276 IsEmpty]: Start isEmpty. Operand 41839 states and 57645 transitions. [2018-11-18 09:26:12,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-11-18 09:26:12,747 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:26:12,747 INFO L375 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 9, 9, 1, 1, 1, 1, 1, 1] [2018-11-18 09:26:12,748 INFO L423 AbstractCegarLoop]: === Iteration 35 === [mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 09:26:12,748 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:26:12,748 INFO L82 PathProgramCache]: Analyzing trace with hash 795627508, now seen corresponding path program 9 times [2018-11-18 09:26:12,748 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:26:12,748 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:26:12,748 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:26:12,749 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 09:26:12,749 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:26:12,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:26:12,820 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:26:12,820 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:26:12,820 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_db2fc32e-7468-41ba-9f19-319f5cfd55c1/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 [2018-11-18 09:26:12,826 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-11-18 09:26:12,842 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2018-11-18 09:26:12,842 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-18 09:26:12,843 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:26:12,851 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:26:12,866 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 09:26:12,866 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 11 [2018-11-18 09:26:12,866 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-18 09:26:12,866 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-18 09:26:12,866 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2018-11-18 09:26:12,866 INFO L87 Difference]: Start difference. First operand 41839 states and 57645 transitions. Second operand 12 states. [2018-11-18 09:26:13,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:26:13,540 INFO L93 Difference]: Finished difference Result 55263 states and 77324 transitions. [2018-11-18 09:26:13,540 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-18 09:26:13,540 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 84 [2018-11-18 09:26:13,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:26:13,581 INFO L225 Difference]: With dead ends: 55263 [2018-11-18 09:26:13,582 INFO L226 Difference]: Without dead ends: 55261 [2018-11-18 09:26:13,590 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2018-11-18 09:26:13,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55261 states. [2018-11-18 09:26:14,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55261 to 48062. [2018-11-18 09:26:14,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48062 states. [2018-11-18 09:26:14,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48062 states to 48062 states and 66044 transitions. [2018-11-18 09:26:14,410 INFO L78 Accepts]: Start accepts. Automaton has 48062 states and 66044 transitions. Word has length 84 [2018-11-18 09:26:14,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:26:14,410 INFO L480 AbstractCegarLoop]: Abstraction has 48062 states and 66044 transitions. [2018-11-18 09:26:14,410 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-18 09:26:14,410 INFO L276 IsEmpty]: Start isEmpty. Operand 48062 states and 66044 transitions. [2018-11-18 09:26:14,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-11-18 09:26:14,413 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:26:14,413 INFO L375 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 1, 1, 1, 1, 1, 1] [2018-11-18 09:26:14,413 INFO L423 AbstractCegarLoop]: === Iteration 36 === [mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 09:26:14,413 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:26:14,413 INFO L82 PathProgramCache]: Analyzing trace with hash 250668440, now seen corresponding path program 7 times [2018-11-18 09:26:14,413 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:26:14,413 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:26:14,414 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:26:14,414 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 09:26:14,414 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:26:14,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:26:14,470 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 0 proven. 273 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:26:14,470 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:26:14,470 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_db2fc32e-7468-41ba-9f19-319f5cfd55c1/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 [2018-11-18 09:26:14,490 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:26:14,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:26:14,502 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:26:14,508 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 0 proven. 273 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:26:14,523 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 09:26:14,523 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 9 [2018-11-18 09:26:14,523 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 09:26:14,523 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 09:26:14,523 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2018-11-18 09:26:14,524 INFO L87 Difference]: Start difference. First operand 48062 states and 66044 transitions. Second operand 10 states. [2018-11-18 09:26:15,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:26:15,382 INFO L93 Difference]: Finished difference Result 66587 states and 93042 transitions. [2018-11-18 09:26:15,382 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-18 09:26:15,382 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 84 [2018-11-18 09:26:15,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:26:15,438 INFO L225 Difference]: With dead ends: 66587 [2018-11-18 09:26:15,438 INFO L226 Difference]: Without dead ends: 66585 [2018-11-18 09:26:15,448 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2018-11-18 09:26:15,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66585 states. [2018-11-18 09:26:16,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66585 to 57114. [2018-11-18 09:26:16,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57114 states. [2018-11-18 09:26:16,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57114 states to 57114 states and 78223 transitions. [2018-11-18 09:26:16,543 INFO L78 Accepts]: Start accepts. Automaton has 57114 states and 78223 transitions. Word has length 84 [2018-11-18 09:26:16,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:26:16,543 INFO L480 AbstractCegarLoop]: Abstraction has 57114 states and 78223 transitions. [2018-11-18 09:26:16,543 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 09:26:16,543 INFO L276 IsEmpty]: Start isEmpty. Operand 57114 states and 78223 transitions. [2018-11-18 09:26:16,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-11-18 09:26:16,546 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:26:16,546 INFO L375 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 8, 1, 1, 1, 1, 1, 1] [2018-11-18 09:26:16,546 INFO L423 AbstractCegarLoop]: === Iteration 37 === [mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 09:26:16,546 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:26:16,546 INFO L82 PathProgramCache]: Analyzing trace with hash -955787508, now seen corresponding path program 7 times [2018-11-18 09:26:16,546 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:26:16,546 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:26:16,547 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:26:16,547 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:26:16,547 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:26:16,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:26:16,603 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 0 proven. 324 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:26:16,603 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:26:16,603 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_db2fc32e-7468-41ba-9f19-319f5cfd55c1/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 [2018-11-18 09:26:16,609 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:26:16,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:26:16,620 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:26:16,629 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 0 proven. 324 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:26:16,643 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 09:26:16,643 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 10 [2018-11-18 09:26:16,643 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-18 09:26:16,644 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-18 09:26:16,644 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2018-11-18 09:26:16,644 INFO L87 Difference]: Start difference. First operand 57114 states and 78223 transitions. Second operand 11 states. [2018-11-18 09:26:17,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:26:17,482 INFO L93 Difference]: Finished difference Result 80500 states and 111382 transitions. [2018-11-18 09:26:17,482 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-18 09:26:17,482 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 86 [2018-11-18 09:26:17,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:26:17,545 INFO L225 Difference]: With dead ends: 80500 [2018-11-18 09:26:17,545 INFO L226 Difference]: Without dead ends: 80499 [2018-11-18 09:26:17,558 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2018-11-18 09:26:17,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80499 states. [2018-11-18 09:26:18,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80499 to 59511. [2018-11-18 09:26:18,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59511 states. [2018-11-18 09:26:18,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59511 states to 59511 states and 81556 transitions. [2018-11-18 09:26:18,782 INFO L78 Accepts]: Start accepts. Automaton has 59511 states and 81556 transitions. Word has length 86 [2018-11-18 09:26:18,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:26:18,782 INFO L480 AbstractCegarLoop]: Abstraction has 59511 states and 81556 transitions. [2018-11-18 09:26:18,782 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-18 09:26:18,782 INFO L276 IsEmpty]: Start isEmpty. Operand 59511 states and 81556 transitions. [2018-11-18 09:26:18,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-11-18 09:26:18,786 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:26:18,786 INFO L375 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 10, 10, 1, 1, 1, 1, 1, 1] [2018-11-18 09:26:18,786 INFO L423 AbstractCegarLoop]: === Iteration 38 === [mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 09:26:18,786 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:26:18,787 INFO L82 PathProgramCache]: Analyzing trace with hash 600579751, now seen corresponding path program 10 times [2018-11-18 09:26:18,787 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:26:18,787 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:26:18,787 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:26:18,787 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:26:18,787 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:26:18,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:26:18,891 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 0 proven. 430 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:26:18,891 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:26:18,891 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_db2fc32e-7468-41ba-9f19-319f5cfd55c1/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 [2018-11-18 09:26:18,904 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-11-18 09:26:18,923 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-11-18 09:26:18,923 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-18 09:26:18,925 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:26:19,134 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 430 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:26:19,149 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 09:26:19,149 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [12] total 24 [2018-11-18 09:26:19,149 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-11-18 09:26:19,150 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-11-18 09:26:19,150 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=397, Unknown=0, NotChecked=0, Total=552 [2018-11-18 09:26:19,150 INFO L87 Difference]: Start difference. First operand 59511 states and 81556 transitions. Second operand 24 states. [2018-11-18 09:26:20,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:26:20,461 INFO L93 Difference]: Finished difference Result 80319 states and 108676 transitions. [2018-11-18 09:26:20,461 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2018-11-18 09:26:20,461 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 92 [2018-11-18 09:26:20,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:26:20,462 INFO L225 Difference]: With dead ends: 80319 [2018-11-18 09:26:20,462 INFO L226 Difference]: Without dead ends: 1490 [2018-11-18 09:26:20,518 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2362 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=2234, Invalid=5776, Unknown=0, NotChecked=0, Total=8010 [2018-11-18 09:26:20,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1490 states. [2018-11-18 09:26:20,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1490 to 638. [2018-11-18 09:26:20,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 638 states. [2018-11-18 09:26:20,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 638 states and 753 transitions. [2018-11-18 09:26:20,538 INFO L78 Accepts]: Start accepts. Automaton has 638 states and 753 transitions. Word has length 92 [2018-11-18 09:26:20,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:26:20,538 INFO L480 AbstractCegarLoop]: Abstraction has 638 states and 753 transitions. [2018-11-18 09:26:20,538 INFO L481 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-11-18 09:26:20,538 INFO L276 IsEmpty]: Start isEmpty. Operand 638 states and 753 transitions. [2018-11-18 09:26:20,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-18 09:26:20,539 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:26:20,539 INFO L375 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 1, 1, 1, 1, 1, 1] [2018-11-18 09:26:20,539 INFO L423 AbstractCegarLoop]: === Iteration 39 === [mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 09:26:20,539 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:26:20,539 INFO L82 PathProgramCache]: Analyzing trace with hash 1599136900, now seen corresponding path program 6 times [2018-11-18 09:26:20,539 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:26:20,539 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:26:20,540 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:26:20,540 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 09:26:20,540 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:26:20,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:26:20,610 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 0 proven. 308 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:26:20,610 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:26:20,610 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_db2fc32e-7468-41ba-9f19-319f5cfd55c1/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 [2018-11-18 09:26:20,620 INFO L103 rtionOrderModulation]: Keeping assertion order MIX_INSIDE_OUTSIDE [2018-11-18 09:26:20,635 INFO L249 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2018-11-18 09:26:20,635 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-18 09:26:20,636 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:26:20,646 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 0 proven. 308 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:26:20,660 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 09:26:20,661 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 9 [2018-11-18 09:26:20,661 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 09:26:20,661 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 09:26:20,661 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2018-11-18 09:26:20,661 INFO L87 Difference]: Start difference. First operand 638 states and 753 transitions. Second operand 10 states. [2018-11-18 09:26:20,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:26:20,714 INFO L93 Difference]: Finished difference Result 719 states and 846 transitions. [2018-11-18 09:26:20,714 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-18 09:26:20,714 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 93 [2018-11-18 09:26:20,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:26:20,715 INFO L225 Difference]: With dead ends: 719 [2018-11-18 09:26:20,715 INFO L226 Difference]: Without dead ends: 545 [2018-11-18 09:26:20,715 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2018-11-18 09:26:20,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 545 states. [2018-11-18 09:26:20,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 545 to 532. [2018-11-18 09:26:20,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 532 states. [2018-11-18 09:26:20,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 532 states and 607 transitions. [2018-11-18 09:26:20,730 INFO L78 Accepts]: Start accepts. Automaton has 532 states and 607 transitions. Word has length 93 [2018-11-18 09:26:20,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:26:20,730 INFO L480 AbstractCegarLoop]: Abstraction has 532 states and 607 transitions. [2018-11-18 09:26:20,730 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 09:26:20,730 INFO L276 IsEmpty]: Start isEmpty. Operand 532 states and 607 transitions. [2018-11-18 09:26:20,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-11-18 09:26:20,731 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:26:20,731 INFO L375 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 1, 1, 1, 1, 1, 1] [2018-11-18 09:26:20,731 INFO L423 AbstractCegarLoop]: === Iteration 40 === [mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 09:26:20,731 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:26:20,731 INFO L82 PathProgramCache]: Analyzing trace with hash 1467797954, now seen corresponding path program 8 times [2018-11-18 09:26:20,731 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:26:20,732 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:26:20,732 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:26:20,732 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 09:26:20,732 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:26:20,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:26:20,778 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 0 proven. 352 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:26:20,779 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:26:20,779 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_db2fc32e-7468-41ba-9f19-319f5cfd55c1/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 [2018-11-18 09:26:20,785 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-11-18 09:26:20,798 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-11-18 09:26:20,799 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-18 09:26:20,799 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:26:20,806 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 0 proven. 352 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:26:20,820 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 09:26:20,820 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 10 [2018-11-18 09:26:20,821 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-18 09:26:20,821 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-18 09:26:20,821 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2018-11-18 09:26:20,821 INFO L87 Difference]: Start difference. First operand 532 states and 607 transitions. Second operand 11 states. [2018-11-18 09:26:20,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:26:20,862 INFO L93 Difference]: Finished difference Result 570 states and 645 transitions. [2018-11-18 09:26:20,862 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-18 09:26:20,862 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 94 [2018-11-18 09:26:20,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:26:20,863 INFO L225 Difference]: With dead ends: 570 [2018-11-18 09:26:20,863 INFO L226 Difference]: Without dead ends: 433 [2018-11-18 09:26:20,863 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2018-11-18 09:26:20,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 433 states. [2018-11-18 09:26:20,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 433 to 419. [2018-11-18 09:26:20,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 419 states. [2018-11-18 09:26:20,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 457 transitions. [2018-11-18 09:26:20,874 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 457 transitions. Word has length 94 [2018-11-18 09:26:20,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:26:20,874 INFO L480 AbstractCegarLoop]: Abstraction has 419 states and 457 transitions. [2018-11-18 09:26:20,874 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-18 09:26:20,874 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 457 transitions. [2018-11-18 09:26:20,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-11-18 09:26:20,875 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:26:20,875 INFO L375 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 9, 1, 1, 1, 1, 1, 1] [2018-11-18 09:26:20,876 INFO L423 AbstractCegarLoop]: === Iteration 41 === [mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 09:26:20,876 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:26:20,876 INFO L82 PathProgramCache]: Analyzing trace with hash 89764868, now seen corresponding path program 8 times [2018-11-18 09:26:20,876 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:26:20,876 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:26:20,876 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:26:20,876 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 09:26:20,877 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:26:20,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:26:20,939 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 0 proven. 405 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:26:20,940 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:26:20,940 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_db2fc32e-7468-41ba-9f19-319f5cfd55c1/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 [2018-11-18 09:26:20,946 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-11-18 09:26:20,957 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-11-18 09:26:20,957 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-18 09:26:20,959 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:26:20,967 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 0 proven. 405 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:26:20,981 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 09:26:20,981 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 11 [2018-11-18 09:26:20,981 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-18 09:26:20,982 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-18 09:26:20,982 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2018-11-18 09:26:20,982 INFO L87 Difference]: Start difference. First operand 419 states and 457 transitions. Second operand 12 states. [2018-11-18 09:26:21,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:26:21,011 INFO L93 Difference]: Finished difference Result 512 states and 549 transitions. [2018-11-18 09:26:21,011 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-18 09:26:21,011 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 95 [2018-11-18 09:26:21,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:26:21,012 INFO L225 Difference]: With dead ends: 512 [2018-11-18 09:26:21,012 INFO L226 Difference]: Without dead ends: 437 [2018-11-18 09:26:21,012 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2018-11-18 09:26:21,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437 states. [2018-11-18 09:26:21,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 337. [2018-11-18 09:26:21,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 337 states. [2018-11-18 09:26:21,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 375 transitions. [2018-11-18 09:26:21,021 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 375 transitions. Word has length 95 [2018-11-18 09:26:21,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:26:21,021 INFO L480 AbstractCegarLoop]: Abstraction has 337 states and 375 transitions. [2018-11-18 09:26:21,021 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-18 09:26:21,021 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 375 transitions. [2018-11-18 09:26:21,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-18 09:26:21,021 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:26:21,021 INFO L375 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 1, 1, 1, 1, 1, 1] [2018-11-18 09:26:21,021 INFO L423 AbstractCegarLoop]: === Iteration 42 === [mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 09:26:21,021 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:26:21,022 INFO L82 PathProgramCache]: Analyzing trace with hash 1188679509, now seen corresponding path program 7 times [2018-11-18 09:26:21,022 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:26:21,022 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:26:21,022 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:26:21,022 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 09:26:21,022 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:26:21,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:26:21,082 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 0 proven. 396 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:26:21,082 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:26:21,082 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_db2fc32e-7468-41ba-9f19-319f5cfd55c1/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 [2018-11-18 09:26:21,089 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:26:21,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:26:21,102 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:26:21,111 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 0 proven. 396 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:26:21,125 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 09:26:21,125 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 10 [2018-11-18 09:26:21,126 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-18 09:26:21,126 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-18 09:26:21,126 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2018-11-18 09:26:21,126 INFO L87 Difference]: Start difference. First operand 337 states and 375 transitions. Second operand 11 states. [2018-11-18 09:26:21,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:26:21,161 INFO L93 Difference]: Finished difference Result 360 states and 397 transitions. [2018-11-18 09:26:21,161 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-18 09:26:21,162 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 104 [2018-11-18 09:26:21,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:26:21,162 INFO L225 Difference]: With dead ends: 360 [2018-11-18 09:26:21,162 INFO L226 Difference]: Without dead ends: 211 [2018-11-18 09:26:21,162 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2018-11-18 09:26:21,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2018-11-18 09:26:21,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 211. [2018-11-18 09:26:21,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 211 states. [2018-11-18 09:26:21,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 210 transitions. [2018-11-18 09:26:21,168 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 210 transitions. Word has length 104 [2018-11-18 09:26:21,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:26:21,169 INFO L480 AbstractCegarLoop]: Abstraction has 211 states and 210 transitions. [2018-11-18 09:26:21,169 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-18 09:26:21,169 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 210 transitions. [2018-11-18 09:26:21,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-18 09:26:21,169 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:26:21,169 INFO L375 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 1, 1, 1, 1, 1, 1] [2018-11-18 09:26:21,169 INFO L423 AbstractCegarLoop]: === Iteration 43 === [mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 09:26:21,170 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:26:21,170 INFO L82 PathProgramCache]: Analyzing trace with hash -258535060, now seen corresponding path program 9 times [2018-11-18 09:26:21,170 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:26:21,170 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:26:21,170 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:26:21,170 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:26:21,171 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:26:21,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:26:21,232 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 0 proven. 441 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:26:21,232 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:26:21,232 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_db2fc32e-7468-41ba-9f19-319f5cfd55c1/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 [2018-11-18 09:26:21,238 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-11-18 09:26:21,253 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2018-11-18 09:26:21,253 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-18 09:26:21,255 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:26:21,264 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 0 proven. 441 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:26:21,279 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 09:26:21,279 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 11 [2018-11-18 09:26:21,279 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-18 09:26:21,279 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-18 09:26:21,280 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2018-11-18 09:26:21,280 INFO L87 Difference]: Start difference. First operand 211 states and 210 transitions. Second operand 12 states. [2018-11-18 09:26:21,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:26:21,299 INFO L93 Difference]: Finished difference Result 211 states and 210 transitions. [2018-11-18 09:26:21,299 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-18 09:26:21,299 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 104 [2018-11-18 09:26:21,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:26:21,299 INFO L225 Difference]: With dead ends: 211 [2018-11-18 09:26:21,299 INFO L226 Difference]: Without dead ends: 116 [2018-11-18 09:26:21,300 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2018-11-18 09:26:21,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2018-11-18 09:26:21,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2018-11-18 09:26:21,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2018-11-18 09:26:21,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 115 transitions. [2018-11-18 09:26:21,303 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 115 transitions. Word has length 104 [2018-11-18 09:26:21,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:26:21,303 INFO L480 AbstractCegarLoop]: Abstraction has 116 states and 115 transitions. [2018-11-18 09:26:21,303 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-18 09:26:21,304 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 115 transitions. [2018-11-18 09:26:21,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-11-18 09:26:21,304 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:26:21,304 INFO L375 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 1, 1, 1, 1, 1, 1] [2018-11-18 09:26:21,304 INFO L423 AbstractCegarLoop]: === Iteration 44 === [mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 09:26:21,304 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:26:21,304 INFO L82 PathProgramCache]: Analyzing trace with hash -2088589340, now seen corresponding path program 8 times [2018-11-18 09:26:21,304 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:26:21,304 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:26:21,305 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:26:21,305 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 09:26:21,305 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:26:21,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:26:21,372 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 0 proven. 495 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:26:21,372 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:26:21,372 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_db2fc32e-7468-41ba-9f19-319f5cfd55c1/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 [2018-11-18 09:26:21,378 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-11-18 09:26:21,391 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-11-18 09:26:21,391 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-18 09:26:21,392 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:26:21,405 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 0 proven. 495 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:26:21,419 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 09:26:21,419 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 11 [2018-11-18 09:26:21,420 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-18 09:26:21,420 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-18 09:26:21,420 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2018-11-18 09:26:21,420 INFO L87 Difference]: Start difference. First operand 116 states and 115 transitions. Second operand 12 states. [2018-11-18 09:26:21,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:26:21,434 INFO L93 Difference]: Finished difference Result 116 states and 115 transitions. [2018-11-18 09:26:21,434 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-18 09:26:21,434 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 115 [2018-11-18 09:26:21,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:26:21,434 INFO L225 Difference]: With dead ends: 116 [2018-11-18 09:26:21,435 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 09:26:21,435 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2018-11-18 09:26:21,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 09:26:21,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 09:26:21,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 09:26:21,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 09:26:21,435 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 115 [2018-11-18 09:26:21,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:26:21,435 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 09:26:21,436 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-18 09:26:21,436 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 09:26:21,436 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 09:26:21,438 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 09:26:22,211 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:26:22,286 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:26:22,335 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:26:22,404 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:26:22,424 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:26:22,439 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:26:22,481 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:26:22,629 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:26:22,672 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:26:22,815 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:26:22,819 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:26:22,920 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:26:22,989 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:26:23,347 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:26:23,918 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:26:23,928 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:26:24,089 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:26:24,119 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:26:24,316 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:26:24,677 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:26:24,978 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:26:25,036 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:26:25,822 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:26:26,659 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:26:26,831 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:26:27,291 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:26:27,338 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:26:27,677 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:26:27,898 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:26:28,180 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:26:29,882 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:26:30,087 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:26:30,230 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:26:31,232 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:26:31,399 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:26:31,530 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:26:33,259 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:26:33,377 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:26:33,380 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:26:33,535 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:26:33,598 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:26:33,768 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:26:33,897 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:26:33,990 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:26:34,074 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:26:34,203 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:26:34,606 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:26:34,981 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:26:34,997 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:26:35,089 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:26:35,279 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:26:35,306 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:26:35,415 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:26:35,741 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:26:35,970 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:26:35,971 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:26:36,482 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:26:36,804 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:26:38,137 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:26:38,341 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:26:38,390 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:26:39,129 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:26:40,117 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:26:42,236 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:26:42,439 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:26:42,826 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:26:45,057 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:26:45,624 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:26:46,559 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:26:49,583 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:26:49,890 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:26:50,201 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:26:51,292 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:26:51,339 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:26:51,546 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:26:53,490 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:26:53,490 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:26:53,491 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:26:54,759 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:26:55,188 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:26:56,844 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:26:56,870 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:26:57,561 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:26:57,808 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:26:58,345 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:26:58,586 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:26:58,895 WARN L180 SmtUtils]: Spent 37.44 s on a formula simplification. DAG size of input: 4621 DAG size of output: 2642 [2018-11-18 09:27:52,650 WARN L180 SmtUtils]: Spent 53.72 s on a formula simplification. DAG size of input: 2240 DAG size of output: 379 [2018-11-18 09:27:52,654 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-11-18 09:27:52,654 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 09:27:52,654 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 09:27:52,654 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-18 09:27:52,654 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 09:27:52,654 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 09:27:52,654 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 20) no Hoare annotation was computed. [2018-11-18 09:27:52,654 INFO L425 ceAbstractionStarter]: For program point L27(lines 27 31) no Hoare annotation was computed. [2018-11-18 09:27:52,655 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 13 35) no Hoare annotation was computed. [2018-11-18 09:27:52,655 INFO L425 ceAbstractionStarter]: For program point L23(lines 23 31) no Hoare annotation was computed. [2018-11-18 09:27:52,655 INFO L425 ceAbstractionStarter]: For program point L19-1(lines 19 33) no Hoare annotation was computed. [2018-11-18 09:27:52,655 INFO L425 ceAbstractionStarter]: For program point L19-3(lines 19 33) no Hoare annotation was computed. [2018-11-18 09:27:52,655 INFO L425 ceAbstractionStarter]: For program point mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 26) no Hoare annotation was computed. [2018-11-18 09:27:52,655 INFO L425 ceAbstractionStarter]: For program point mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 26) no Hoare annotation was computed. [2018-11-18 09:27:52,655 INFO L425 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-11-18 09:27:52,655 INFO L425 ceAbstractionStarter]: For program point L28-1(line 28) no Hoare annotation was computed. [2018-11-18 09:27:52,655 INFO L425 ceAbstractionStarter]: For program point L24(line 24) no Hoare annotation was computed. [2018-11-18 09:27:52,655 INFO L425 ceAbstractionStarter]: For program point L24-1(line 24) no Hoare annotation was computed. [2018-11-18 09:27:52,655 INFO L425 ceAbstractionStarter]: For program point mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 30) no Hoare annotation was computed. [2018-11-18 09:27:52,655 INFO L425 ceAbstractionStarter]: For program point L20(line 20) no Hoare annotation was computed. [2018-11-18 09:27:52,655 INFO L425 ceAbstractionStarter]: For program point L20-1(line 20) no Hoare annotation was computed. [2018-11-18 09:27:52,656 INFO L425 ceAbstractionStarter]: For program point mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2018-11-18 09:27:52,656 INFO L425 ceAbstractionStarter]: For program point L29(lines 29 31) no Hoare annotation was computed. [2018-11-18 09:27:52,656 INFO L425 ceAbstractionStarter]: For program point L25(lines 25 31) no Hoare annotation was computed. [2018-11-18 09:27:52,656 INFO L425 ceAbstractionStarter]: For program point mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 24) no Hoare annotation was computed. [2018-11-18 09:27:52,656 INFO L425 ceAbstractionStarter]: For program point mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 30) no Hoare annotation was computed. [2018-11-18 09:27:52,656 INFO L425 ceAbstractionStarter]: For program point mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2018-11-18 09:27:52,656 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 13 35) no Hoare annotation was computed. [2018-11-18 09:27:52,656 INFO L425 ceAbstractionStarter]: For program point mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 20) no Hoare annotation was computed. [2018-11-18 09:27:52,656 INFO L425 ceAbstractionStarter]: For program point L30(line 30) no Hoare annotation was computed. [2018-11-18 09:27:52,656 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 13 35) the Hoare annotation is: true [2018-11-18 09:27:52,656 INFO L425 ceAbstractionStarter]: For program point L30-1(line 30) no Hoare annotation was computed. [2018-11-18 09:27:52,656 INFO L425 ceAbstractionStarter]: For program point L26(line 26) no Hoare annotation was computed. [2018-11-18 09:27:52,656 INFO L425 ceAbstractionStarter]: For program point L26-1(line 26) no Hoare annotation was computed. [2018-11-18 09:27:52,657 INFO L425 ceAbstractionStarter]: For program point L22(lines 22 32) no Hoare annotation was computed. [2018-11-18 09:27:52,657 INFO L425 ceAbstractionStarter]: For program point mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 24) no Hoare annotation was computed. [2018-11-18 09:27:52,658 INFO L421 ceAbstractionStarter]: At program point L22-1(lines 19 33) the Hoare annotation is: (let ((.cse20 (<= main_~x~0 2)) (.cse16 (<= main_~y~0 0)) (.cse68 (<= 0 (+ main_~x~0 2))) (.cse11 (<= main_~y~0 2)) (.cse19 (<= main_~x~0 0)) (.cse3 (<= 0 main_~y~0)) (.cse7 (<= 0 main_~x~0)) (.cse71 (<= 0 (+ main_~x~0 2147483648))) (.cse63 (<= 0 main_~i~0)) (.cse6 (<= main_~N~0 10)) (.cse73 (<= 0 (+ main_~y~0 2147483648)))) (let ((.cse13 (<= 0 (+ main_~y~0 1))) (.cse56 (<= main_~y~0 3)) (.cse42 (<= main_~x~0 3)) (.cse27 (and .cse71 .cse63 .cse6 .cse73)) (.cse67 (and .cse63 .cse6 .cse7 .cse73)) (.cse69 (and .cse71 .cse63 .cse3 .cse6)) (.cse31 (<= 0 (+ main_~x~0 4))) (.cse23 (<= 0 (+ main_~x~0 1))) (.cse24 (<= main_~x~0 1)) (.cse10 (<= 8 main_~i~0)) (.cse55 (and .cse71 .cse63 .cse19 .cse6 .cse73)) (.cse50 (and .cse71 .cse63 .cse3 .cse11 .cse6)) (.cse54 (<= 0 (+ main_~x~0 3))) (.cse17 (and .cse68 .cse63 .cse6 .cse73)) (.cse28 (<= 9 main_~i~0)) (.cse2 (and .cse63 .cse20 .cse6 .cse73 .cse7 .cse16))) (let ((.cse45 (or (and .cse28 (and .cse17 .cse16) .cse19) (and .cse28 .cse2))) (.cse40 (<= 0 (+ main_~y~0 7))) (.cse33 (and .cse54 .cse63 .cse3 .cse19 .cse6)) (.cse37 (or .cse55 .cse50)) (.cse53 (or (and .cse10 .cse23 .cse19 .cse6 .cse73 .cse16) (and .cse24 .cse10 .cse6 .cse7 .cse73 .cse16))) (.cse41 (and .cse69 .cse31)) (.cse57 (and .cse3 .cse67)) (.cse66 (and .cse31 .cse27 .cse19 .cse16)) (.cse38 (<= 1 main_~i~0)) (.cse70 (and .cse42 .cse3 .cse67)) (.cse47 (<= main_~y~0 7)) (.cse25 (<= main_~x~0 9)) (.cse60 (and .cse63 .cse3 .cse19 .cse6 .cse7)) (.cse59 (and .cse71 .cse63 .cse6)) (.cse22 (<= 0 (+ main_~y~0 4))) (.cse49 (<= 0 (+ main_~x~0 8))) (.cse14 (<= 5 main_~i~0)) (.cse18 (<= 4 main_~i~0)) (.cse5 (<= main_~y~0 1)) (.cse51 (and .cse69 .cse56)) (.cse46 (<= main_~y~0 6)) (.cse39 (or (and .cse24 .cse28 .cse3 .cse6 .cse7) (and .cse28 .cse3 .cse23 .cse19 .cse6))) (.cse72 (<= main_~y~0 8)) (.cse43 (<= 3 main_~i~0)) (.cse58 (and .cse68 .cse63 .cse3 .cse19 .cse6)) (.cse32 (<= main_~y~0 5)) (.cse30 (and .cse71 .cse13 .cse63 .cse19 .cse6)) (.cse35 (<= 0 (+ main_~x~0 6))) (.cse34 (<= 0 (+ main_~y~0 3))) (.cse64 (and .cse54 .cse27 .cse19)) (.cse65 (<= 0 (+ main_~y~0 6))) (.cse62 (and .cse27 .cse42)) (.cse44 (<= main_~x~0 8)) (.cse26 (<= 10 main_~i~0)) (.cse29 (<= main_~x~0 7)) (.cse61 (<= 2 main_~i~0)) (.cse36 (<= main_~y~0 4)) (.cse52 (<= 0 (+ main_~x~0 5))) (.cse48 (<= 0 (+ main_~x~0 7))) (.cse1 (<= 0 (+ main_~y~0 5))) (.cse15 (<= main_~x~0 4)) (.cse0 (<= 7 main_~i~0)) (.cse21 (<= 0 (+ main_~y~0 2))) (.cse8 (<= main_~x~0 5)) (.cse9 (<= main_~x~0 6)) (.cse4 (<= 6 main_~i~0)) (.cse12 (and .cse63 .cse6))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse9 .cse3 .cse10 .cse11 .cse12 .cse7) (and .cse13 .cse14 .cse15 .cse6 .cse7 .cse16) (and (or (and .cse17 .cse18 .cse19 .cse16) (and .cse18 .cse20 .cse6 .cse7 .cse16)) .cse21) (and .cse22 (or (and .cse14 .cse23 .cse19 .cse6 .cse16) (and .cse14 .cse24 .cse6 .cse7 .cse16))) (and .cse25 .cse3 .cse5 .cse6 .cse7 .cse26) (and .cse27 .cse28 .cse29 .cse21 .cse7 .cse16) (and .cse30 .cse31 .cse14 .cse16) (and .cse0 .cse3 .cse32 .cse20 .cse12 .cse7) (and .cse33 .cse10 .cse32) (and .cse27 .cse28 .cse9 .cse34 .cse7 .cse16) (and .cse35 .cse27 .cse10 .cse21 .cse19 .cse16) (and .cse36 .cse3 .cse10 .cse15 .cse12 .cse7) (and .cse0 .cse9 .cse3 .cse5 .cse6 .cse7) (and .cse31 .cse3 .cse11 .cse4 .cse19 .cse37) (and .cse38 .cse13 .cse19 .cse6 .cse7 .cse16) (and (<= main_~y~0 9) .cse39 .cse7) (and .cse0 .cse40 .cse19 .cse6 .cse7 .cse16) (and .cse28 (and .cse32 .cse41) .cse19) (and .cse0 .cse34 .cse7 (and .cse27 .cse15) .cse16) (and .cse42 .cse3 .cse43 .cse12 .cse7 .cse16) (and .cse27 .cse44 .cse21 .cse7 .cse26 .cse16) (and (<= 0 (+ main_~y~0 9)) (and .cse45 .cse23)) (and .cse43 .cse34 .cse19 .cse6 .cse7 .cse16) (and .cse46 .cse3 .cse15 .cse12 .cse7 .cse26) (and .cse3 .cse15 .cse11 .cse4 .cse12 .cse7) (and .cse33 .cse47 .cse26) (and .cse27 .cse34 .cse19 .cse48 .cse26 .cse16) (and .cse49 .cse50 .cse19 .cse26) (and .cse3 .cse29 .cse10 .cse5 .cse6 .cse7) (and .cse51 .cse52 .cse10 .cse19) (and .cse40 .cse45) (and (or (and .cse24 .cse3 .cse10 .cse6 .cse7) (and .cse10 .cse3 .cse23 .cse19 .cse6)) .cse47) (and .cse0 .cse31 .cse27 .cse34 .cse19 .cse16) (and .cse38 .cse3 .cse19 .cse5 .cse6 .cse7) (and .cse27 .cse10 .cse34 .cse7 .cse16 .cse8) (and .cse40 .cse53) (and .cse54 .cse14 .cse3 .cse11 .cse55) (and .cse52 .cse30 .cse4 .cse16) (and .cse28 .cse9 .cse56 .cse57) (and .cse58 .cse18 .cse11) (and .cse28 .cse35 .cse27 .cse34 .cse19 .cse16) (and .cse46 .cse3 .cse10 .cse20 .cse12 .cse7) (and .cse54 .cse56 .cse3 .cse4 .cse19 .cse6) (and .cse27 .cse15 .cse4 .cse21 .cse7 .cse16) (and .cse36 .cse28 .cse3 .cse12 .cse7 .cse8) (and .cse52 .cse14 .cse3 .cse19 .cse59 .cse16) (and .cse27 .cse1 .cse7 .cse26 .cse16 .cse8) (and .cse27 .cse42 .cse14 .cse21 .cse7 .cse16) (and .cse14 .cse3 .cse15 .cse5 .cse6 .cse7) (and .cse28 .cse50 .cse19 .cse48) (and .cse13 .cse42 .cse18 .cse6 .cse7 .cse16) (and .cse22 .cse18 .cse19 .cse6 .cse7 .cse16) (and .cse0 .cse60 .cse47) (and (or (and .cse3 .cse23 .cse4 .cse19 .cse6) (and .cse24 .cse3 .cse4 .cse6 .cse7)) .cse32) (and .cse28 .cse3 .cse19 .cse59 (<= 0 (+ main_~x~0 9)) .cse16) (and .cse36 (and (and .cse42 .cse3 .cse6) .cse7) .cse0) (and .cse13 .cse28 .cse44 .cse6 .cse7 .cse16) (and (or (and .cse61 .cse24 .cse3 .cse6 .cse7) (and .cse61 .cse3 .cse23 .cse19 .cse6)) .cse5) (and .cse7 .cse26 (and .cse62 .cse16)) (and .cse63 .cse3 .cse19 .cse6 .cse7 .cse16) (and .cse0 .cse31 .cse51 .cse19) (and .cse4 .cse34 .cse62 .cse7 .cse16) (and (and .cse64 .cse16) .cse26) (and .cse0 .cse52 .cse27 .cse21 .cse19 .cse16) (and .cse0 (and .cse36 .cse33)) (and .cse31 (and .cse36 .cse6) .cse3 .cse10 .cse19) (and .cse1 .cse14 .cse19 .cse6 .cse7 .cse16) (and .cse14 .cse58 .cse56) (and .cse28 .cse47 .cse3 .cse20 .cse12 .cse7) (and .cse61 .cse3 .cse20 .cse6 .cse7 .cse16) (and .cse33 .cse28 .cse46) (and .cse28 .cse3 .cse32 .cse15 .cse12 .cse7) (and .cse22 .cse27 .cse9 .cse7 .cse26 .cse16) (and .cse60 .cse46 .cse4) (and (and .cse56 .cse57) .cse10 .cse8) (and .cse0 .cse35 .cse3 .cse19 .cse5 .cse6) (and .cse14 .cse3 .cse12 .cse7 .cse16 .cse8) (and .cse58 .cse26) (and (and (or (and .cse0 .cse23 .cse19 .cse6) (and .cse0 .cse24 .cse6 .cse7)) .cse16) .cse65) (and .cse66 .cse65 .cse26) (and .cse0 .cse52 (and .cse3 .cse11 .cse37) .cse19) (and .cse22 .cse27 .cse28 .cse7 .cse16 .cse8) (and (or (and .cse14 .cse17 .cse19 .cse16) (and .cse2 .cse14)) .cse34) (and .cse4 .cse65 .cse19 .cse6 .cse7 .cse16) (and (<= main_~x~0 10) .cse3 .cse12 .cse7 .cse26 .cse16) (and .cse22 .cse10 .cse15 .cse67 .cse16) (and .cse0 .cse3 .cse48 .cse19 .cse59 .cse16) (and .cse22 .cse4 .cse2) (and .cse49 .cse28 .cse3 .cse19 .cse5 .cse6) (and .cse53 (<= 0 (+ main_~y~0 8)) .cse7) (and .cse1 .cse28 .cse66) (and .cse49 .cse10 .cse3 .cse19 .cse59 .cse16) (and .cse0 .cse46 .cse3 .cse23 .cse19 .cse6) (and .cse60 .cse56 .cse43) (and .cse35 .cse10 .cse50 .cse19) (and .cse68 .cse30 .cse43 .cse16) (and .cse1 (and .cse52 .cse19 .cse6) .cse26 .cse16) (and .cse52 .cse3 .cse4 .cse19 .cse5 .cse6) (and .cse36 .cse14 .cse3 .cse23 .cse19 .cse6) (and (or (and .cse10 .cse17 .cse19 .cse16) (and .cse10 .cse2)) .cse65) (and .cse69 .cse52 .cse32 .cse19 .cse26) (and .cse22 .cse52 .cse28 .cse27 .cse19 .cse16) (and .cse56 (or (and .cse18 .cse3 .cse23 .cse19 .cse6) (and .cse24 .cse18 .cse3 .cse6 .cse7))) (and .cse13 .cse0 .cse9 .cse6 .cse7 .cse16) (and (or (and .cse24 .cse3 .cse43 .cse6 .cse7) (and .cse3 .cse23 .cse43 .cse19 .cse6)) .cse11) (and .cse31 .cse27 .cse4 .cse21 .cse19 .cse16) (and .cse22 .cse17 .cse4 .cse19 .cse16) (and .cse60 .cse14 .cse32) (and .cse31 .cse14 .cse3 .cse19 .cse5 .cse6) (and .cse28 .cse46 .cse70) (and .cse46 .cse19 .cse26 .cse41) (and (or (and .cse1 .cse23 .cse4 .cse19 .cse6) (and .cse1 .cse24 .cse4 .cse6 .cse7)) .cse16) (and .cse54 .cse3 .cse43 .cse19 .cse59 .cse16) (and .cse29 .cse56 .cse57 .cse26) (and .cse22 .cse10 .cse66) (and (or (and .cse38 .cse24 .cse6 .cse7 .cse16) (and .cse38 .cse23 .cse19 .cse6 .cse16)) .cse3) (and .cse3 .cse20 .cse43 .cse5 .cse6 .cse7) (and .cse28 .cse3 .cse44 .cse5 .cse6 .cse7) (and .cse22 .cse35 .cse27 .cse19 .cse26 .cse16) (and .cse35 .cse3 .cse4 .cse19 .cse59 .cse16) (and .cse18 .cse3 .cse15 .cse12 .cse7 .cse16) (and .cse28 .cse62 .cse65 .cse7 .cse16) (and .cse42 .cse14 .cse3 .cse11 .cse12 .cse7) (and .cse13 .cse20 .cse43 .cse6 .cse7 .cse16) (and .cse28 .cse58 .cse47) (and .cse1 .cse64 .cse10 .cse16) (and .cse36 .cse58 .cse4) (and .cse30 .cse26 .cse16) (and .cse61 .cse21 .cse19 .cse6 .cse7 .cse16) (and .cse36 .cse9 .cse3 .cse12 .cse7 .cse26) (and .cse35 (and .cse36 .cse69) .cse19 .cse26) (and .cse36 .cse60 .cse18) (and .cse51 .cse28 .cse35 .cse19) (and .cse13 .cse4 .cse6 .cse7 .cse16 .cse8) (and .cse22 .cse0 .cse62 .cse7 .cse16) (and .cse70 .cse47 .cse26) (and .cse3 .cse44 .cse10 .cse12 .cse7 .cse16) (and .cse18 .cse3 .cse11 .cse20 .cse12 .cse7) (and .cse49 .cse30 .cse28 .cse16) (and .cse0 .cse1 .cse17 .cse19 .cse16) (and .cse15 .cse65 .cse67 .cse26 .cse16) (and .cse3 .cse20 .cse12 .cse7 .cse26) (and .cse31 .cse18 .cse3 .cse19 .cse59 .cse16) (and .cse12 .cse14 .cse3 .cse56 .cse20 .cse7) (and .cse27 .cse29 .cse34 .cse7 .cse26 .cse16) (and .cse25 .cse13 .cse6 .cse7 .cse26 .cse16) (and .cse25 .cse28 .cse3 .cse12 .cse7 .cse16) (and .cse30 .cse10 .cse48 .cse16) (and .cse3 .cse32 .cse12 .cse7 .cse26 .cse8) (and .cse3 .cse10 .cse32 (and .cse42 .cse67)) (and .cse54 .cse14 .cse27 .cse21 .cse19 .cse16) (and .cse42 .cse18 .cse3 .cse5 .cse6 .cse7) (and .cse27 .cse9 .cse10 .cse21 .cse7 .cse16) (and .cse52 .cse27 .cse10 .cse34 .cse19 .cse16) (and .cse71 .cse3 .cse19 .cse5 .cse6 .cse26) (and .cse60 .cse10 .cse72) (and (or (and .cse18 .cse23 .cse19 .cse6 .cse16) (and .cse24 .cse18 .cse6 .cse7 .cse16)) .cse34) (and .cse68 .cse61 .cse3 .cse19 .cse59 .cse16) (and (and .cse42 .cse3 .cse56 .cse67) .cse4) (and .cse0 (and .cse3 .cse56 .cse15 .cse12) .cse7) (and .cse22 .cse0 .cse64 .cse16) (and .cse49 .cse27 .cse21 .cse19 .cse26 .cse16) (and .cse68 .cse3 .cse43 .cse19 .cse5 .cse6) (and .cse54 .cse18 .cse3 .cse19 .cse5 .cse6) (and .cse0 .cse3 .cse11 .cse12 .cse7 .cse8) (and .cse36 .cse24 .cse14 .cse3 .cse6 .cse7) (and .cse61 .cse3 .cse11 .cse19 .cse6 .cse7) (and .cse54 .cse30 .cse18 .cse16) (and .cse0 .cse24 .cse46 .cse3 .cse6 .cse7) (and .cse3 .cse10 .cse19 .cse5 .cse48 .cse6) (and .cse51 .cse19 .cse48 .cse26) (and .cse58 .cse46 .cse10) (and .cse39 .cse72) (and (and (or (and .cse24 .cse43 .cse6 .cse7) (and .cse23 .cse43 .cse19 .cse6)) .cse16) .cse21) (and .cse0 .cse58 .cse32) (and .cse28 .cse3 .cse29 .cse11 .cse12 .cse7) (and .cse0 .cse30 .cse35 .cse16) (and .cse64 .cse4 .cse34 .cse16) (and .cse28 .cse64 .cse65 .cse16) (and .cse36 .cse3 .cse20 .cse12 .cse4 .cse7) (and .cse1 .cse10 .cse62 .cse7 .cse16) (and .cse3 .cse44 .cse11 .cse12 .cse7 .cse26) (and .cse0 (and .cse3 .cse29 .cse12 .cse7) .cse16) (and .cse13 .cse29 .cse10 .cse6 .cse7 .cse16) (and .cse13 (or (and .cse61 .cse24 .cse6 .cse7) (and .cse61 .cse23 .cse19 .cse6)) .cse16) (and .cse36 .cse69 .cse52 .cse28 .cse19) (and .cse28 .cse27 .cse21 .cse19 .cse48 .cse16) (and .cse1 .cse28 .cse15 .cse67 .cse16) (and .cse27 .cse0 .cse21 .cse7 .cse16 .cse8) (and .cse9 .cse3 .cse4 .cse12 .cse7 .cse16))))) [2018-11-18 09:27:52,696 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 09:27:52 BoogieIcfgContainer [2018-11-18 09:27:52,696 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 09:27:52,697 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 09:27:52,697 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 09:27:52,697 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 09:27:52,700 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:25:55" (3/4) ... [2018-11-18 09:27:52,703 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 09:27:52,709 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 09:27:52,709 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 09:27:52,713 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-11-18 09:27:52,714 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 09:27:52,714 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-18 09:27:52,714 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-18 09:27:52,762 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_db2fc32e-7468-41ba-9f19-319f5cfd55c1/bin-2019/uautomizer/witness.graphml [2018-11-18 09:27:52,762 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 09:27:52,763 INFO L168 Benchmark]: Toolchain (without parser) took 117534.49 ms. Allocated memory was 1.0 GB in the beginning and 3.9 GB in the end (delta: 2.8 GB). Free memory was 959.2 MB in the beginning and 905.4 MB in the end (delta: 53.9 MB). Peak memory consumption was 2.9 GB. Max. memory is 11.5 GB. [2018-11-18 09:27:52,763 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 09:27:52,763 INFO L168 Benchmark]: CACSL2BoogieTranslator took 148.98 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 948.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-18 09:27:52,764 INFO L168 Benchmark]: Boogie Preprocessor took 17.36 ms. Allocated memory is still 1.0 GB. Free memory was 948.5 MB in the beginning and 945.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 09:27:52,764 INFO L168 Benchmark]: RCFGBuilder took 190.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -183.1 MB). Peak memory consumption was 19.5 MB. Max. memory is 11.5 GB. [2018-11-18 09:27:52,764 INFO L168 Benchmark]: TraceAbstraction took 117108.57 ms. Allocated memory was 1.2 GB in the beginning and 3.9 GB in the end (delta: 2.7 GB). Free memory was 1.1 GB in the beginning and 905.4 MB in the end (delta: 223.6 MB). Peak memory consumption was 4.3 GB. Max. memory is 11.5 GB. [2018-11-18 09:27:52,764 INFO L168 Benchmark]: Witness Printer took 65.37 ms. Allocated memory is still 3.9 GB. Free memory is still 905.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 09:27:52,766 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 148.98 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 948.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.36 ms. Allocated memory is still 1.0 GB. Free memory was 948.5 MB in the beginning and 945.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 190.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -183.1 MB). Peak memory consumption was 19.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 117108.57 ms. Allocated memory was 1.2 GB in the beginning and 3.9 GB in the end (delta: 2.7 GB). Free memory was 1.1 GB in the beginning and 905.4 MB in the end (delta: 223.6 MB). Peak memory consumption was 4.3 GB. Max. memory is 11.5 GB. * Witness Printer took 65.37 ms. Allocated memory is still 3.9 GB. Free memory is still 905.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 28]: 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: 24]: 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: 26]: 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: 20]: 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: ((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((7 <= i && 0 <= y + 5) && ((((0 <= i && x <= 2) && N <= 10) && 0 <= y + 2147483648) && 0 <= x) && y <= 0) || (((((0 <= y && 6 <= i) && y <= 1) && N <= 10) && 0 <= x) && x <= 5)) || (((((x <= 6 && 0 <= y) && 8 <= i) && y <= 2) && 0 <= i && N <= 10) && 0 <= x)) || (((((0 <= y + 1 && 5 <= i) && x <= 4) && N <= 10) && 0 <= x) && y <= 0)) || ((((((((0 <= x + 2 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && 4 <= i) && x <= 0) && y <= 0) || ((((4 <= i && x <= 2) && N <= 10) && 0 <= x) && y <= 0)) && 0 <= y + 2)) || (0 <= y + 4 && (((((5 <= i && 0 <= x + 1) && x <= 0) && N <= 10) && y <= 0) || ((((5 <= i && x <= 1) && N <= 10) && 0 <= x) && y <= 0)))) || (((((x <= 9 && 0 <= y) && y <= 1) && N <= 10) && 0 <= x) && 10 <= i)) || ((((((((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && 9 <= i) && x <= 7) && 0 <= y + 2) && 0 <= x) && y <= 0)) || (((((((0 <= x + 2147483648 && 0 <= y + 1) && 0 <= i) && x <= 0) && N <= 10) && 0 <= x + 4) && 5 <= i) && y <= 0)) || (((((7 <= i && 0 <= y) && y <= 5) && x <= 2) && 0 <= i && N <= 10) && 0 <= x)) || ((((((0 <= x + 3 && 0 <= i) && 0 <= y) && x <= 0) && N <= 10) && 8 <= i) && y <= 5)) || ((((((((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && 9 <= i) && x <= 6) && 0 <= y + 3) && 0 <= x) && y <= 0)) || (((((0 <= x + 6 && ((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && 8 <= i) && 0 <= y + 2) && x <= 0) && y <= 0)) || (((((y <= 4 && 0 <= y) && 8 <= i) && x <= 4) && 0 <= i && N <= 10) && 0 <= x)) || (((((7 <= i && x <= 6) && 0 <= y) && y <= 1) && N <= 10) && 0 <= x)) || (((((0 <= x + 4 && 0 <= y) && y <= 2) && 6 <= i) && x <= 0) && (((((0 <= x + 2147483648 && 0 <= i) && x <= 0) && N <= 10) && 0 <= y + 2147483648) || ((((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && y <= 2) && N <= 10)))) || (((((1 <= i && 0 <= y + 1) && x <= 0) && N <= 10) && 0 <= x) && y <= 0)) || ((y <= 9 && (((((x <= 1 && 9 <= i) && 0 <= y) && N <= 10) && 0 <= x) || ((((9 <= i && 0 <= y) && 0 <= x + 1) && x <= 0) && N <= 10))) && 0 <= x)) || (((((7 <= i && 0 <= y + 7) && x <= 0) && N <= 10) && 0 <= x) && y <= 0)) || ((9 <= i && y <= 5 && (((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && N <= 10) && 0 <= x + 4) && x <= 0)) || ((((7 <= i && 0 <= y + 3) && 0 <= x) && (((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && x <= 4) && y <= 0)) || (((((x <= 3 && 0 <= y) && 3 <= i) && 0 <= i && N <= 10) && 0 <= x) && y <= 0)) || ((((((((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && x <= 8) && 0 <= y + 2) && 0 <= x) && 10 <= i) && y <= 0)) || (0 <= y + 9 && (((9 <= i && (((0 <= x + 2 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && y <= 0) && x <= 0) || (9 <= i && ((((0 <= i && x <= 2) && N <= 10) && 0 <= y + 2147483648) && 0 <= x) && y <= 0)) && 0 <= x + 1)) || (((((3 <= i && 0 <= y + 3) && x <= 0) && N <= 10) && 0 <= x) && y <= 0)) || (((((y <= 6 && 0 <= y) && x <= 4) && 0 <= i && N <= 10) && 0 <= x) && 10 <= i)) || (((((0 <= y && x <= 4) && y <= 2) && 6 <= i) && 0 <= i && N <= 10) && 0 <= x)) || ((((((0 <= x + 3 && 0 <= i) && 0 <= y) && x <= 0) && N <= 10) && y <= 7) && 10 <= i)) || ((((((((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && 0 <= y + 3) && x <= 0) && 0 <= x + 7) && 10 <= i) && y <= 0)) || (((0 <= x + 8 && (((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && y <= 2) && N <= 10) && x <= 0) && 10 <= i)) || (((((0 <= y && x <= 7) && 8 <= i) && y <= 1) && N <= 10) && 0 <= x)) || (((((((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && N <= 10) && y <= 3) && 0 <= x + 5) && 8 <= i) && x <= 0)) || (0 <= y + 7 && (((9 <= i && (((0 <= x + 2 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && y <= 0) && x <= 0) || (9 <= i && ((((0 <= i && x <= 2) && N <= 10) && 0 <= y + 2147483648) && 0 <= x) && y <= 0)))) || ((((((x <= 1 && 0 <= y) && 8 <= i) && N <= 10) && 0 <= x) || ((((8 <= i && 0 <= y) && 0 <= x + 1) && x <= 0) && N <= 10)) && y <= 7)) || (((((7 <= i && 0 <= x + 4) && ((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && 0 <= y + 3) && x <= 0) && y <= 0)) || (((((1 <= i && 0 <= y) && x <= 0) && y <= 1) && N <= 10) && 0 <= x)) || ((((((((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && 8 <= i) && 0 <= y + 3) && 0 <= x) && y <= 0) && x <= 5)) || (0 <= y + 7 && ((((((8 <= i && 0 <= x + 1) && x <= 0) && N <= 10) && 0 <= y + 2147483648) && y <= 0) || (((((x <= 1 && 8 <= i) && N <= 10) && 0 <= x) && 0 <= y + 2147483648) && y <= 0)))) || ((((0 <= x + 3 && 5 <= i) && 0 <= y) && y <= 2) && (((0 <= x + 2147483648 && 0 <= i) && x <= 0) && N <= 10) && 0 <= y + 2147483648)) || (((0 <= x + 5 && (((0 <= x + 2147483648 && 0 <= y + 1) && 0 <= i) && x <= 0) && N <= 10) && 6 <= i) && y <= 0)) || (((9 <= i && x <= 6) && y <= 3) && 0 <= y && ((0 <= i && N <= 10) && 0 <= x) && 0 <= y + 2147483648)) || ((((((0 <= x + 2 && 0 <= i) && 0 <= y) && x <= 0) && N <= 10) && 4 <= i) && y <= 2)) || (((((9 <= i && 0 <= x + 6) && ((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && 0 <= y + 3) && x <= 0) && y <= 0)) || (((((y <= 6 && 0 <= y) && 8 <= i) && x <= 2) && 0 <= i && N <= 10) && 0 <= x)) || (((((0 <= x + 3 && y <= 3) && 0 <= y) && 6 <= i) && x <= 0) && N <= 10)) || ((((((((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && x <= 4) && 6 <= i) && 0 <= y + 2) && 0 <= x) && y <= 0)) || (((((y <= 4 && 9 <= i) && 0 <= y) && 0 <= i && N <= 10) && 0 <= x) && x <= 5)) || (((((0 <= x + 5 && 5 <= i) && 0 <= y) && x <= 0) && (0 <= x + 2147483648 && 0 <= i) && N <= 10) && y <= 0)) || ((((((((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && 0 <= y + 5) && 0 <= x) && 10 <= i) && y <= 0) && x <= 5)) || ((((((((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && x <= 3) && 5 <= i) && 0 <= y + 2) && 0 <= x) && y <= 0)) || (((((5 <= i && 0 <= y) && x <= 4) && y <= 1) && N <= 10) && 0 <= x)) || (((9 <= i && (((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && y <= 2) && N <= 10) && x <= 0) && 0 <= x + 7)) || (((((0 <= y + 1 && x <= 3) && 4 <= i) && N <= 10) && 0 <= x) && y <= 0)) || (((((0 <= y + 4 && 4 <= i) && x <= 0) && N <= 10) && 0 <= x) && y <= 0)) || ((7 <= i && (((0 <= i && 0 <= y) && x <= 0) && N <= 10) && 0 <= x) && y <= 7)) || ((((((0 <= y && 0 <= x + 1) && 6 <= i) && x <= 0) && N <= 10) || ((((x <= 1 && 0 <= y) && 6 <= i) && N <= 10) && 0 <= x)) && y <= 5)) || (((((9 <= i && 0 <= y) && x <= 0) && (0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= x + 9) && y <= 0)) || ((y <= 4 && ((x <= 3 && 0 <= y) && N <= 10) && 0 <= x) && 7 <= i)) || (((((0 <= y + 1 && 9 <= i) && x <= 8) && N <= 10) && 0 <= x) && y <= 0)) || ((((((2 <= i && x <= 1) && 0 <= y) && N <= 10) && 0 <= x) || ((((2 <= i && 0 <= y) && 0 <= x + 1) && x <= 0) && N <= 10)) && y <= 1)) || ((0 <= x && 10 <= i) && ((((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && x <= 3) && y <= 0)) || (((((0 <= i && 0 <= y) && x <= 0) && N <= 10) && 0 <= x) && y <= 0)) || (((7 <= i && 0 <= x + 4) && (((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && N <= 10) && y <= 3) && x <= 0)) || ((((6 <= i && 0 <= y + 3) && (((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && x <= 3) && 0 <= x) && y <= 0)) || ((((0 <= x + 3 && ((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && x <= 0) && y <= 0) && 10 <= i)) || (((((7 <= i && 0 <= x + 5) && ((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && 0 <= y + 2) && x <= 0) && y <= 0)) || (7 <= i && y <= 4 && (((0 <= x + 3 && 0 <= i) && 0 <= y) && x <= 0) && N <= 10)) || ((((0 <= x + 4 && y <= 4 && N <= 10) && 0 <= y) && 8 <= i) && x <= 0)) || (((((0 <= y + 5 && 5 <= i) && x <= 0) && N <= 10) && 0 <= x) && y <= 0)) || ((5 <= i && (((0 <= x + 2 && 0 <= i) && 0 <= y) && x <= 0) && N <= 10) && y <= 3)) || (((((9 <= i && y <= 7) && 0 <= y) && x <= 2) && 0 <= i && N <= 10) && 0 <= x)) || (((((2 <= i && 0 <= y) && x <= 2) && N <= 10) && 0 <= x) && y <= 0)) || ((((((0 <= x + 3 && 0 <= i) && 0 <= y) && x <= 0) && N <= 10) && 9 <= i) && y <= 6)) || (((((9 <= i && 0 <= y) && y <= 5) && x <= 4) && 0 <= i && N <= 10) && 0 <= x)) || (((((0 <= y + 4 && ((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && x <= 6) && 0 <= x) && 10 <= i) && y <= 0)) || ((((((0 <= i && 0 <= y) && x <= 0) && N <= 10) && 0 <= x) && y <= 6) && 6 <= i)) || (((y <= 3 && 0 <= y && ((0 <= i && N <= 10) && 0 <= x) && 0 <= y + 2147483648) && 8 <= i) && x <= 5)) || (((((7 <= i && 0 <= x + 6) && 0 <= y) && x <= 0) && y <= 1) && N <= 10)) || (((((5 <= i && 0 <= y) && 0 <= i && N <= 10) && 0 <= x) && y <= 0) && x <= 5)) || (((((0 <= x + 2 && 0 <= i) && 0 <= y) && x <= 0) && N <= 10) && 10 <= i)) || ((((((7 <= i && 0 <= x + 1) && x <= 0) && N <= 10) || (((7 <= i && x <= 1) && N <= 10) && 0 <= x)) && y <= 0) && 0 <= y + 6)) || (((((0 <= x + 4 && ((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && x <= 0) && y <= 0) && 0 <= y + 6) && 10 <= i)) || (((7 <= i && 0 <= x + 5) && (0 <= y && y <= 2) && (((((0 <= x + 2147483648 && 0 <= i) && x <= 0) && N <= 10) && 0 <= y + 2147483648) || ((((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && y <= 2) && N <= 10))) && x <= 0)) || (((((0 <= y + 4 && ((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && 9 <= i) && 0 <= x) && y <= 0) && x <= 5)) || (((((5 <= i && ((0 <= x + 2 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && x <= 0) && y <= 0) || ((((((0 <= i && x <= 2) && N <= 10) && 0 <= y + 2147483648) && 0 <= x) && y <= 0) && 5 <= i)) && 0 <= y + 3)) || (((((6 <= i && 0 <= y + 6) && x <= 0) && N <= 10) && 0 <= x) && y <= 0)) || (((((x <= 10 && 0 <= y) && 0 <= i && N <= 10) && 0 <= x) && 10 <= i) && y <= 0)) || ((((0 <= y + 4 && 8 <= i) && x <= 4) && ((0 <= i && N <= 10) && 0 <= x) && 0 <= y + 2147483648) && y <= 0)) || (((((7 <= i && 0 <= y) && 0 <= x + 7) && x <= 0) && (0 <= x + 2147483648 && 0 <= i) && N <= 10) && y <= 0)) || ((0 <= y + 4 && 6 <= i) && ((((0 <= i && x <= 2) && N <= 10) && 0 <= y + 2147483648) && 0 <= x) && y <= 0)) || (((((0 <= x + 8 && 9 <= i) && 0 <= y) && x <= 0) && y <= 1) && N <= 10)) || ((((((((8 <= i && 0 <= x + 1) && x <= 0) && N <= 10) && 0 <= y + 2147483648) && y <= 0) || (((((x <= 1 && 8 <= i) && N <= 10) && 0 <= x) && 0 <= y + 2147483648) && y <= 0)) && 0 <= y + 8) && 0 <= x)) || ((0 <= y + 5 && 9 <= i) && ((0 <= x + 4 && ((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && x <= 0) && y <= 0)) || (((((0 <= x + 8 && 8 <= i) && 0 <= y) && x <= 0) && (0 <= x + 2147483648 && 0 <= i) && N <= 10) && y <= 0)) || (((((7 <= i && y <= 6) && 0 <= y) && 0 <= x + 1) && x <= 0) && N <= 10)) || ((((((0 <= i && 0 <= y) && x <= 0) && N <= 10) && 0 <= x) && y <= 3) && 3 <= i)) || (((0 <= x + 6 && 8 <= i) && (((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && y <= 2) && N <= 10) && x <= 0)) || (((0 <= x + 2 && (((0 <= x + 2147483648 && 0 <= y + 1) && 0 <= i) && x <= 0) && N <= 10) && 3 <= i) && y <= 0)) || (((0 <= y + 5 && (0 <= x + 5 && x <= 0) && N <= 10) && 10 <= i) && y <= 0)) || (((((0 <= x + 5 && 0 <= y) && 6 <= i) && x <= 0) && y <= 1) && N <= 10)) || (((((y <= 4 && 5 <= i) && 0 <= y) && 0 <= x + 1) && x <= 0) && N <= 10)) || (((((8 <= i && ((0 <= x + 2 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && x <= 0) && y <= 0) || (8 <= i && ((((0 <= i && x <= 2) && N <= 10) && 0 <= y + 2147483648) && 0 <= x) && y <= 0)) && 0 <= y + 6)) || (((((((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && N <= 10) && 0 <= x + 5) && y <= 5) && x <= 0) && 10 <= i)) || (((((0 <= y + 4 && 0 <= x + 5) && 9 <= i) && ((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && x <= 0) && y <= 0)) || (y <= 3 && (((((4 <= i && 0 <= y) && 0 <= x + 1) && x <= 0) && N <= 10) || ((((x <= 1 && 4 <= i) && 0 <= y) && N <= 10) && 0 <= x)))) || (((((0 <= y + 1 && 7 <= i) && x <= 6) && N <= 10) && 0 <= x) && y <= 0)) || ((((((x <= 1 && 0 <= y) && 3 <= i) && N <= 10) && 0 <= x) || ((((0 <= y && 0 <= x + 1) && 3 <= i) && x <= 0) && N <= 10)) && y <= 2)) || (((((0 <= x + 4 && ((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && 6 <= i) && 0 <= y + 2) && x <= 0) && y <= 0)) || ((((0 <= y + 4 && ((0 <= x + 2 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && 6 <= i) && x <= 0) && y <= 0)) || ((((((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)) || ((9 <= i && y <= 6) && (x <= 3 && 0 <= y) && ((0 <= i && N <= 10) && 0 <= x) && 0 <= y + 2147483648)) || (((y <= 6 && x <= 0) && 10 <= i) && (((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && N <= 10) && 0 <= x + 4)) || ((((((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)) || (((((0 <= x + 3 && 0 <= y) && 3 <= i) && x <= 0) && (0 <= x + 2147483648 && 0 <= i) && N <= 10) && y <= 0)) || (((x <= 7 && y <= 3) && 0 <= y && ((0 <= i && N <= 10) && 0 <= x) && 0 <= y + 2147483648) && 10 <= i)) || ((0 <= y + 4 && 8 <= i) && ((0 <= x + 4 && ((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && x <= 0) && y <= 0)) || ((((((1 <= i && x <= 1) && N <= 10) && 0 <= x) && y <= 0) || ((((1 <= i && 0 <= x + 1) && x <= 0) && N <= 10) && y <= 0)) && 0 <= y)) || (((((0 <= y && x <= 2) && 3 <= i) && y <= 1) && N <= 10) && 0 <= x)) || (((((9 <= i && 0 <= y) && x <= 8) && y <= 1) && N <= 10) && 0 <= x)) || (((((0 <= y + 4 && 0 <= x + 6) && ((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && x <= 0) && 10 <= i) && y <= 0)) || (((((0 <= x + 6 && 0 <= y) && 6 <= i) && x <= 0) && (0 <= x + 2147483648 && 0 <= i) && N <= 10) && y <= 0)) || (((((4 <= i && 0 <= y) && x <= 4) && 0 <= i && N <= 10) && 0 <= x) && y <= 0)) || ((((9 <= i && (((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && x <= 3) && 0 <= y + 6) && 0 <= x) && y <= 0)) || (((((x <= 3 && 5 <= i) && 0 <= y) && y <= 2) && 0 <= i && N <= 10) && 0 <= x)) || (((((0 <= y + 1 && x <= 2) && 3 <= i) && N <= 10) && 0 <= x) && y <= 0)) || ((9 <= i && (((0 <= x + 2 && 0 <= i) && 0 <= y) && x <= 0) && N <= 10) && y <= 7)) || (((0 <= y + 5 && (0 <= x + 3 && ((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && x <= 0) && 8 <= i) && y <= 0)) || ((y <= 4 && (((0 <= x + 2 && 0 <= i) && 0 <= y) && x <= 0) && N <= 10) && 6 <= i)) || ((((((0 <= x + 2147483648 && 0 <= y + 1) && 0 <= i) && x <= 0) && N <= 10) && 10 <= i) && y <= 0)) || (((((2 <= i && 0 <= y + 2) && x <= 0) && N <= 10) && 0 <= x) && y <= 0)) || (((((y <= 4 && x <= 6) && 0 <= y) && 0 <= i && N <= 10) && 0 <= x) && 10 <= i)) || (((0 <= x + 6 && y <= 4 && ((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && N <= 10) && x <= 0) && 10 <= i)) || ((y <= 4 && (((0 <= i && 0 <= y) && x <= 0) && N <= 10) && 0 <= x) && 4 <= i)) || (((((((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && N <= 10) && y <= 3) && 9 <= i) && 0 <= x + 6) && x <= 0)) || (((((0 <= y + 1 && 6 <= i) && N <= 10) && 0 <= x) && y <= 0) && x <= 5)) || ((((0 <= y + 4 && 7 <= i) && (((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && x <= 3) && 0 <= x) && y <= 0)) || ((((x <= 3 && 0 <= y) && ((0 <= i && N <= 10) && 0 <= x) && 0 <= y + 2147483648) && y <= 7) && 10 <= i)) || (((((0 <= y && x <= 8) && 8 <= i) && 0 <= i && N <= 10) && 0 <= x) && y <= 0)) || (((((4 <= i && 0 <= y) && y <= 2) && x <= 2) && 0 <= i && N <= 10) && 0 <= x)) || (((0 <= x + 8 && (((0 <= x + 2147483648 && 0 <= y + 1) && 0 <= i) && x <= 0) && N <= 10) && 9 <= i) && y <= 0)) || ((((7 <= i && 0 <= y + 5) && ((0 <= x + 2 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && x <= 0) && y <= 0)) || ((((x <= 4 && 0 <= y + 6) && ((0 <= i && N <= 10) && 0 <= x) && 0 <= y + 2147483648) && 10 <= i) && y <= 0)) || ((((0 <= y && x <= 2) && 0 <= i && N <= 10) && 0 <= x) && 10 <= i)) || (((((0 <= x + 4 && 4 <= i) && 0 <= y) && x <= 0) && (0 <= x + 2147483648 && 0 <= i) && N <= 10) && y <= 0)) || ((((((0 <= i && N <= 10) && 5 <= i) && 0 <= y) && y <= 3) && x <= 2) && 0 <= x)) || ((((((((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && x <= 7) && 0 <= y + 3) && 0 <= x) && 10 <= i) && y <= 0)) || (((((x <= 9 && 0 <= y + 1) && N <= 10) && 0 <= x) && 10 <= i) && y <= 0)) || (((((x <= 9 && 9 <= i) && 0 <= y) && 0 <= i && N <= 10) && 0 <= x) && y <= 0)) || (((((((0 <= x + 2147483648 && 0 <= y + 1) && 0 <= i) && x <= 0) && N <= 10) && 8 <= i) && 0 <= x + 7) && y <= 0)) || (((((0 <= y && y <= 5) && 0 <= i && N <= 10) && 0 <= x) && 10 <= i) && x <= 5)) || (((0 <= y && 8 <= i) && y <= 5) && x <= 3 && ((0 <= i && N <= 10) && 0 <= x) && 0 <= y + 2147483648)) || (((((0 <= x + 3 && 5 <= i) && ((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && 0 <= y + 2) && x <= 0) && y <= 0)) || (((((x <= 3 && 4 <= i) && 0 <= y) && y <= 1) && N <= 10) && 0 <= x)) || ((((((((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && x <= 6) && 8 <= i) && 0 <= y + 2) && 0 <= x) && y <= 0)) || (((((0 <= x + 5 && ((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && 8 <= i) && 0 <= y + 3) && x <= 0) && y <= 0)) || (((((0 <= x + 2147483648 && 0 <= y) && x <= 0) && y <= 1) && N <= 10) && 10 <= i)) || ((((((0 <= i && 0 <= y) && x <= 0) && N <= 10) && 0 <= x) && 8 <= i) && y <= 8)) || ((((((4 <= i && 0 <= x + 1) && x <= 0) && N <= 10) && y <= 0) || ((((x <= 1 && 4 <= i) && N <= 10) && 0 <= x) && y <= 0)) && 0 <= y + 3)) || (((((0 <= x + 2 && 2 <= i) && 0 <= y) && x <= 0) && (0 <= x + 2147483648 && 0 <= i) && N <= 10) && y <= 0)) || ((((x <= 3 && 0 <= y) && y <= 3) && ((0 <= i && N <= 10) && 0 <= x) && 0 <= y + 2147483648) && 6 <= i)) || ((7 <= i && ((0 <= y && y <= 3) && x <= 4) && 0 <= i && 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 <= x + 8 && ((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && 0 <= y + 2) && x <= 0) && 10 <= i) && 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)) || (((((7 <= i && 0 <= y) && y <= 2) && 0 <= i && N <= 10) && 0 <= x) && x <= 5)) || (((((y <= 4 && x <= 1) && 5 <= i) && 0 <= y) && N <= 10) && 0 <= x)) || (((((2 <= i && 0 <= y) && y <= 2) && x <= 0) && N <= 10) && 0 <= x)) || (((0 <= x + 3 && (((0 <= x + 2147483648 && 0 <= y + 1) && 0 <= i) && x <= 0) && N <= 10) && 4 <= i) && y <= 0)) || (((((7 <= i && x <= 1) && y <= 6) && 0 <= y) && N <= 10) && 0 <= x)) || (((((0 <= y && 8 <= i) && x <= 0) && y <= 1) && 0 <= x + 7) && N <= 10)) || (((((((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && N <= 10) && y <= 3) && x <= 0) && 0 <= x + 7) && 10 <= i)) || ((((((0 <= x + 2 && 0 <= i) && 0 <= y) && x <= 0) && N <= 10) && y <= 6) && 8 <= i)) || ((((((x <= 1 && 9 <= i) && 0 <= y) && N <= 10) && 0 <= x) || ((((9 <= i && 0 <= y) && 0 <= x + 1) && x <= 0) && N <= 10)) && y <= 8)) || ((((((x <= 1 && 3 <= i) && N <= 10) && 0 <= x) || (((0 <= x + 1 && 3 <= i) && x <= 0) && N <= 10)) && y <= 0) && 0 <= y + 2)) || ((7 <= i && (((0 <= x + 2 && 0 <= i) && 0 <= y) && x <= 0) && N <= 10) && y <= 5)) || (((((9 <= i && 0 <= y) && x <= 7) && y <= 2) && 0 <= i && N <= 10) && 0 <= x)) || (((7 <= i && (((0 <= x + 2147483648 && 0 <= y + 1) && 0 <= i) && x <= 0) && N <= 10) && 0 <= x + 6) && y <= 0)) || (((((0 <= x + 3 && ((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && x <= 0) && 6 <= i) && 0 <= y + 3) && y <= 0)) || (((9 <= i && (0 <= x + 3 && ((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && x <= 0) && 0 <= y + 6) && y <= 0)) || (((((y <= 4 && 0 <= y) && x <= 2) && 0 <= i && N <= 10) && 6 <= i) && 0 <= x)) || ((((0 <= y + 5 && 8 <= i) && (((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && x <= 3) && 0 <= x) && y <= 0)) || (((((0 <= y && x <= 8) && y <= 2) && 0 <= i && N <= 10) && 0 <= x) && 10 <= i)) || ((7 <= i && ((0 <= y && x <= 7) && 0 <= i && N <= 10) && 0 <= x) && y <= 0)) || (((((0 <= y + 1 && x <= 7) && 8 <= i) && N <= 10) && 0 <= x) && y <= 0)) || ((0 <= y + 1 && ((((2 <= i && x <= 1) && N <= 10) && 0 <= x) || (((2 <= i && 0 <= x + 1) && x <= 0) && N <= 10))) && y <= 0)) || ((((y <= 4 && ((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && N <= 10) && 0 <= x + 5) && 9 <= i) && x <= 0)) || (((((9 <= i && ((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && 0 <= y + 2) && x <= 0) && 0 <= x + 7) && y <= 0)) || ((((0 <= y + 5 && 9 <= i) && x <= 4) && ((0 <= i && N <= 10) && 0 <= x) && 0 <= y + 2147483648) && y <= 0)) || ((((((((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && 7 <= i) && 0 <= y + 2) && 0 <= x) && y <= 0) && x <= 5)) || (((((x <= 6 && 0 <= y) && 6 <= i) && 0 <= i && N <= 10) && 0 <= x) && y <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 37 locations, 10 error locations. SAFE Result, 117.0s OverallTime, 44 OverallIterations, 11 TraceHistogramMax, 11.2s AutomataDifference, 0.0s DeadEndRemovalTime, 91.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 1338 SDtfs, 6547 SDslu, 5841 SDs, 0 SdLazy, 1774 SolverSat, 1019 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2627 GetRequests, 2308 SyntacticMatches, 0 SemanticMatches, 319 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2365 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=59511occurred in iteration=37, 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: 9.9s AutomataMinimizationTime, 44 MinimizatonAttempts, 134917 StatesRemovedByMinimization, 40 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 5 PreInvPairs, 1771 NumberOfFragments, 5696 HoareAnnotationTreeSize, 5 FomulaSimplifications, 618286 FormulaSimplificationTreeSizeReduction, 37.4s HoareSimplificationTime, 5 FomulaSimplificationsInter, 91469 FormulaSimplificationTreeSizeReductionInter, 53.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 4705 NumberOfCodeBlocks, 4705 NumberOfCodeBlocksAsserted, 175 NumberOfCheckSat, 4623 ConstructedInterpolants, 0 QuantifiedInterpolants, 1256813 SizeOfPredicates, 2 NumberOfNonLiveVariables, 5013 ConjunctsInSsa, 268 ConjunctsInUnsatCore, 82 InterpolantComputations, 9 PerfectInterpolantSequences, 446/13214 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...