./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 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_c2488afa-d67b-41e5-8187-c927e13824bc/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c2488afa-d67b-41e5-8187-c927e13824bc/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c2488afa-d67b-41e5-8187-c927e13824bc/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c2488afa-d67b-41e5-8187-c927e13824bc/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_c2488afa-d67b-41e5-8187-c927e13824bc/bin-2019/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c2488afa-d67b-41e5-8187-c927e13824bc/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 0.1.23-1dbac8b [2018-11-10 04:37:22,395 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 04:37:22,396 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 04:37:22,405 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 04:37:22,405 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 04:37:22,406 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 04:37:22,406 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 04:37:22,408 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 04:37:22,409 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 04:37:22,409 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 04:37:22,410 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 04:37:22,410 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 04:37:22,411 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 04:37:22,411 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 04:37:22,412 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 04:37:22,413 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 04:37:22,413 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 04:37:22,414 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 04:37:22,415 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 04:37:22,416 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 04:37:22,417 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 04:37:22,418 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 04:37:22,419 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 04:37:22,419 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 04:37:22,419 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 04:37:22,420 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 04:37:22,421 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 04:37:22,421 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 04:37:22,422 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 04:37:22,422 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 04:37:22,422 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 04:37:22,423 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 04:37:22,423 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 04:37:22,423 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 04:37:22,424 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 04:37:22,424 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 04:37:22,425 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c2488afa-d67b-41e5-8187-c927e13824bc/bin-2019/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf [2018-11-10 04:37:22,433 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 04:37:22,434 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 04:37:22,434 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 04:37:22,434 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 04:37:22,435 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 04:37:22,435 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 04:37:22,435 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 04:37:22,435 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 04:37:22,435 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-10 04:37:22,435 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 04:37:22,436 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 04:37:22,436 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 04:37:22,436 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 04:37:22,436 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 04:37:22,436 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-11-10 04:37:22,436 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 04:37:22,436 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 04:37:22,436 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 04:37:22,437 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 04:37:22,437 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 04:37:22,437 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 04:37:22,437 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 04:37:22,437 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 04:37:22,437 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 04:37:22,437 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 04:37:22,437 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-10 04:37:22,438 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 04:37:22,438 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 04:37:22,438 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_c2488afa-d67b-41e5-8187-c927e13824bc/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 [2018-11-10 04:37:22,459 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 04:37:22,471 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 04:37:22,474 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 04:37:22,475 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 04:37:22,475 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 04:37:22,476 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c2488afa-d67b-41e5-8187-c927e13824bc/bin-2019/uautomizer/../../sv-benchmarks/c/termination-crafted-lit/ChawdharyCookGulwaniSagivYang-ESOP2008-random2d_true-termination_true-no-overflow.c [2018-11-10 04:37:22,511 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c2488afa-d67b-41e5-8187-c927e13824bc/bin-2019/uautomizer/data/dafad2e36/4748560d9ad1408cb96c68f8e56194f5/FLAGc86837602 [2018-11-10 04:37:22,841 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 04:37:22,842 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c2488afa-d67b-41e5-8187-c927e13824bc/sv-benchmarks/c/termination-crafted-lit/ChawdharyCookGulwaniSagivYang-ESOP2008-random2d_true-termination_true-no-overflow.c [2018-11-10 04:37:22,847 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c2488afa-d67b-41e5-8187-c927e13824bc/bin-2019/uautomizer/data/dafad2e36/4748560d9ad1408cb96c68f8e56194f5/FLAGc86837602 [2018-11-10 04:37:22,858 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c2488afa-d67b-41e5-8187-c927e13824bc/bin-2019/uautomizer/data/dafad2e36/4748560d9ad1408cb96c68f8e56194f5 [2018-11-10 04:37:22,861 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 04:37:22,862 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-10 04:37:22,862 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 04:37:22,862 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 04:37:22,865 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 04:37:22,866 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 04:37:22" (1/1) ... [2018-11-10 04:37:22,868 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5dabe3ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:37:22, skipping insertion in model container [2018-11-10 04:37:22,868 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 04:37:22" (1/1) ... [2018-11-10 04:37:22,876 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 04:37:22,889 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 04:37:22,992 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 04:37:22,995 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 04:37:23,007 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 04:37:23,015 INFO L193 MainTranslator]: Completed translation [2018-11-10 04:37:23,015 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:37:23 WrapperNode [2018-11-10 04:37:23,015 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 04:37:23,016 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 04:37:23,016 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 04:37:23,016 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 04:37:23,023 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:37:23" (1/1) ... [2018-11-10 04:37:23,023 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:37:23" (1/1) ... [2018-11-10 04:37:23,026 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:37:23" (1/1) ... [2018-11-10 04:37:23,026 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:37:23" (1/1) ... [2018-11-10 04:37:23,028 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:37:23" (1/1) ... [2018-11-10 04:37:23,031 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:37:23" (1/1) ... [2018-11-10 04:37:23,031 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:37:23" (1/1) ... [2018-11-10 04:37:23,032 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 04:37:23,033 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 04:37:23,033 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 04:37:23,033 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 04:37:23,033 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:37:23" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c2488afa-d67b-41e5-8187-c927e13824bc/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 04:37:23,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 04:37:23,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 04:37:23,105 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 04:37:23,105 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-10 04:37:23,105 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 04:37:23,105 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 04:37:23,105 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 04:37:23,223 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 04:37:23,224 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:37:23 BoogieIcfgContainer [2018-11-10 04:37:23,224 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 04:37:23,225 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 04:37:23,225 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 04:37:23,227 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 04:37:23,228 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 04:37:22" (1/3) ... [2018-11-10 04:37:23,228 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12e8a47f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 04:37:23, skipping insertion in model container [2018-11-10 04:37:23,228 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:37:23" (2/3) ... [2018-11-10 04:37:23,229 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12e8a47f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 04:37:23, skipping insertion in model container [2018-11-10 04:37:23,229 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:37:23" (3/3) ... [2018-11-10 04:37:23,230 INFO L112 eAbstractionObserver]: Analyzing ICFG ChawdharyCookGulwaniSagivYang-ESOP2008-random2d_true-termination_true-no-overflow.c [2018-11-10 04:37:23,237 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 04:37:23,241 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 10 error locations. [2018-11-10 04:37:23,250 INFO L257 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2018-11-10 04:37:23,266 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 04:37:23,267 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 04:37:23,267 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 04:37:23,267 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 04:37:23,267 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 04:37:23,267 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 04:37:23,267 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 04:37:23,267 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 04:37:23,267 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 04:37:23,280 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states. [2018-11-10 04:37:23,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-10 04:37:23,284 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:37:23,284 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 04:37:23,286 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 04:37:23,290 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:37:23,290 INFO L82 PathProgramCache]: Analyzing trace with hash 1007353508, now seen corresponding path program 1 times [2018-11-10 04:37:23,291 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 04:37:23,292 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 04:37:23,328 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:23,328 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:37:23,328 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:23,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:37:23,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:37:23,375 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 04:37:23,375 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 04:37:23,378 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 04:37:23,386 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 04:37:23,386 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 04:37:23,388 INFO L87 Difference]: Start difference. First operand 37 states. Second operand 3 states. [2018-11-10 04:37:23,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:37:23,420 INFO L93 Difference]: Finished difference Result 50 states and 58 transitions. [2018-11-10 04:37:23,420 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 04:37:23,421 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2018-11-10 04:37:23,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:37:23,429 INFO L225 Difference]: With dead ends: 50 [2018-11-10 04:37:23,429 INFO L226 Difference]: Without dead ends: 36 [2018-11-10 04:37:23,431 INFO L605 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 [2018-11-10 04:37:23,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2018-11-10 04:37:23,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 35. [2018-11-10 04:37:23,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2018-11-10 04:37:23,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 40 transitions. [2018-11-10 04:37:23,455 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 40 transitions. Word has length 8 [2018-11-10 04:37:23,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:37:23,455 INFO L481 AbstractCegarLoop]: Abstraction has 35 states and 40 transitions. [2018-11-10 04:37:23,455 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 04:37:23,455 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 40 transitions. [2018-11-10 04:37:23,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-10 04:37:23,456 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:37:23,456 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 04:37:23,456 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 04:37:23,456 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:37:23,456 INFO L82 PathProgramCache]: Analyzing trace with hash 1163187724, now seen corresponding path program 1 times [2018-11-10 04:37:23,456 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 04:37:23,456 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 04:37:23,457 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:23,457 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:37:23,457 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:23,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:37:23,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:37:23,476 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 04:37:23,476 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 04:37:23,477 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 04:37:23,477 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 04:37:23,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 04:37:23,477 INFO L87 Difference]: Start difference. First operand 35 states and 40 transitions. Second operand 3 states. [2018-11-10 04:37:23,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:37:23,486 INFO L93 Difference]: Finished difference Result 35 states and 40 transitions. [2018-11-10 04:37:23,487 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 04:37:23,487 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2018-11-10 04:37:23,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:37:23,487 INFO L225 Difference]: With dead ends: 35 [2018-11-10 04:37:23,487 INFO L226 Difference]: Without dead ends: 34 [2018-11-10 04:37:23,488 INFO L605 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 [2018-11-10 04:37:23,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2018-11-10 04:37:23,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2018-11-10 04:37:23,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2018-11-10 04:37:23,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 39 transitions. [2018-11-10 04:37:23,492 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 39 transitions. Word has length 9 [2018-11-10 04:37:23,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:37:23,493 INFO L481 AbstractCegarLoop]: Abstraction has 34 states and 39 transitions. [2018-11-10 04:37:23,493 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 04:37:23,493 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 39 transitions. [2018-11-10 04:37:23,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-10 04:37:23,493 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:37:23,493 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 04:37:23,494 INFO L424 AbstractCegarLoop]: === Iteration 3 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 04:37:23,494 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:37:23,494 INFO L82 PathProgramCache]: Analyzing trace with hash 729392297, now seen corresponding path program 1 times [2018-11-10 04:37:23,494 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 04:37:23,494 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 04:37:23,496 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:23,496 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:37:23,496 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:23,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:37:23,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:37:23,520 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 04:37:23,520 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 04:37:23,520 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 04:37:23,521 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 04:37:23,521 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 04:37:23,521 INFO L87 Difference]: Start difference. First operand 34 states and 39 transitions. Second operand 3 states. [2018-11-10 04:37:23,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:37:23,543 INFO L93 Difference]: Finished difference Result 58 states and 70 transitions. [2018-11-10 04:37:23,544 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 04:37:23,544 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2018-11-10 04:37:23,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:37:23,545 INFO L225 Difference]: With dead ends: 58 [2018-11-10 04:37:23,545 INFO L226 Difference]: Without dead ends: 56 [2018-11-10 04:37:23,545 INFO L605 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 [2018-11-10 04:37:23,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2018-11-10 04:37:23,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 50. [2018-11-10 04:37:23,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-11-10 04:37:23,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 66 transitions. [2018-11-10 04:37:23,552 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 66 transitions. Word has length 12 [2018-11-10 04:37:23,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:37:23,552 INFO L481 AbstractCegarLoop]: Abstraction has 50 states and 66 transitions. [2018-11-10 04:37:23,553 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 04:37:23,553 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 66 transitions. [2018-11-10 04:37:23,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-10 04:37:23,553 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:37:23,553 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 04:37:23,555 INFO L424 AbstractCegarLoop]: === Iteration 4 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 04:37:23,555 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:37:23,556 INFO L82 PathProgramCache]: Analyzing trace with hash 1136324785, now seen corresponding path program 1 times [2018-11-10 04:37:23,556 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 04:37:23,556 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 04:37:23,558 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:23,558 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:37:23,558 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:23,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:37:23,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:37:23,580 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 04:37:23,580 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 04:37:23,580 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 04:37:23,581 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 04:37:23,581 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 04:37:23,581 INFO L87 Difference]: Start difference. First operand 50 states and 66 transitions. Second operand 3 states. [2018-11-10 04:37:23,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:37:23,611 INFO L93 Difference]: Finished difference Result 90 states and 124 transitions. [2018-11-10 04:37:23,611 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 04:37:23,612 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2018-11-10 04:37:23,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:37:23,612 INFO L225 Difference]: With dead ends: 90 [2018-11-10 04:37:23,613 INFO L226 Difference]: Without dead ends: 88 [2018-11-10 04:37:23,613 INFO L605 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 [2018-11-10 04:37:23,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2018-11-10 04:37:23,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 83. [2018-11-10 04:37:23,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2018-11-10 04:37:23,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 121 transitions. [2018-11-10 04:37:23,620 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 121 transitions. Word has length 13 [2018-11-10 04:37:23,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:37:23,620 INFO L481 AbstractCegarLoop]: Abstraction has 83 states and 121 transitions. [2018-11-10 04:37:23,620 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 04:37:23,620 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 121 transitions. [2018-11-10 04:37:23,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-10 04:37:23,621 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:37:23,621 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 04:37:23,621 INFO L424 AbstractCegarLoop]: === Iteration 5 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 04:37:23,622 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:37:23,622 INFO L82 PathProgramCache]: Analyzing trace with hash 1137470874, now seen corresponding path program 1 times [2018-11-10 04:37:23,622 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 04:37:23,622 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 04:37:23,623 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:23,623 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:37:23,623 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:23,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:37:23,655 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 04:37:23,655 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 04:37:23,655 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c2488afa-d67b-41e5-8187-c927e13824bc/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-10 04:37:23,666 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:37:23,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:37:23,678 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 04:37:23,729 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:37:23,758 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 04:37:23,758 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2018-11-10 04:37:23,759 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-10 04:37:23,759 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 04:37:23,759 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-10 04:37:23,759 INFO L87 Difference]: Start difference. First operand 83 states and 121 transitions. Second operand 6 states. [2018-11-10 04:37:23,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:37:23,821 INFO L93 Difference]: Finished difference Result 167 states and 236 transitions. [2018-11-10 04:37:23,822 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-10 04:37:23,822 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 13 [2018-11-10 04:37:23,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:37:23,823 INFO L225 Difference]: With dead ends: 167 [2018-11-10 04:37:23,823 INFO L226 Difference]: Without dead ends: 166 [2018-11-10 04:37:23,823 INFO L605 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 [2018-11-10 04:37:23,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2018-11-10 04:37:23,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 79. [2018-11-10 04:37:23,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2018-11-10 04:37:23,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 114 transitions. [2018-11-10 04:37:23,829 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 114 transitions. Word has length 13 [2018-11-10 04:37:23,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:37:23,829 INFO L481 AbstractCegarLoop]: Abstraction has 79 states and 114 transitions. [2018-11-10 04:37:23,829 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-10 04:37:23,829 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 114 transitions. [2018-11-10 04:37:23,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-10 04:37:23,830 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:37:23,830 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 04:37:23,830 INFO L424 AbstractCegarLoop]: === Iteration 6 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 04:37:23,830 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:37:23,831 INFO L82 PathProgramCache]: Analyzing trace with hash 866521714, now seen corresponding path program 1 times [2018-11-10 04:37:23,831 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 04:37:23,831 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 04:37:23,832 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:23,832 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:37:23,832 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:23,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:37:23,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:37:23,848 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 04:37:23,848 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 04:37:23,848 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 04:37:23,848 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 04:37:23,848 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 04:37:23,849 INFO L87 Difference]: Start difference. First operand 79 states and 114 transitions. Second operand 3 states. [2018-11-10 04:37:23,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:37:23,878 INFO L93 Difference]: Finished difference Result 151 states and 223 transitions. [2018-11-10 04:37:23,879 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 04:37:23,879 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14 [2018-11-10 04:37:23,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:37:23,880 INFO L225 Difference]: With dead ends: 151 [2018-11-10 04:37:23,880 INFO L226 Difference]: Without dead ends: 149 [2018-11-10 04:37:23,880 INFO L605 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 [2018-11-10 04:37:23,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2018-11-10 04:37:23,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 141. [2018-11-10 04:37:23,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2018-11-10 04:37:23,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 207 transitions. [2018-11-10 04:37:23,890 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 207 transitions. Word has length 14 [2018-11-10 04:37:23,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:37:23,890 INFO L481 AbstractCegarLoop]: Abstraction has 141 states and 207 transitions. [2018-11-10 04:37:23,890 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 04:37:23,890 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 207 transitions. [2018-11-10 04:37:23,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-10 04:37:23,891 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:37:23,891 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 04:37:23,891 INFO L424 AbstractCegarLoop]: === Iteration 7 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 04:37:23,891 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:37:23,892 INFO L82 PathProgramCache]: Analyzing trace with hash 1092369434, now seen corresponding path program 1 times [2018-11-10 04:37:23,892 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 04:37:23,892 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 04:37:23,893 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:23,893 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:37:23,893 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:23,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:37:23,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:37:23,912 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 04:37:23,912 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 04:37:23,912 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 04:37:23,913 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 04:37:23,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 04:37:23,913 INFO L87 Difference]: Start difference. First operand 141 states and 207 transitions. Second operand 3 states. [2018-11-10 04:37:23,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:37:23,938 INFO L93 Difference]: Finished difference Result 275 states and 409 transitions. [2018-11-10 04:37:23,938 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 04:37:23,938 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 15 [2018-11-10 04:37:23,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:37:23,939 INFO L225 Difference]: With dead ends: 275 [2018-11-10 04:37:23,939 INFO L226 Difference]: Without dead ends: 273 [2018-11-10 04:37:23,940 INFO L605 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 [2018-11-10 04:37:23,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2018-11-10 04:37:23,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 269. [2018-11-10 04:37:23,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 269 states. [2018-11-10 04:37:23,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 397 transitions. [2018-11-10 04:37:23,957 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 397 transitions. Word has length 15 [2018-11-10 04:37:23,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:37:23,957 INFO L481 AbstractCegarLoop]: Abstraction has 269 states and 397 transitions. [2018-11-10 04:37:23,957 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 04:37:23,957 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 397 transitions. [2018-11-10 04:37:23,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-10 04:37:23,958 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:37:23,958 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 04:37:23,958 INFO L424 AbstractCegarLoop]: === Iteration 8 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 04:37:23,958 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:37:23,958 INFO L82 PathProgramCache]: Analyzing trace with hash 195554908, now seen corresponding path program 1 times [2018-11-10 04:37:23,959 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 04:37:23,959 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 04:37:23,960 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:23,960 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:37:23,960 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:23,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:37:23,981 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:37:23,981 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 04:37:23,981 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c2488afa-d67b-41e5-8187-c927e13824bc/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-10 04:37:23,993 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:37:24,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:37:24,007 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 04:37:24,011 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:37:24,037 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 04:37:24,037 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2018-11-10 04:37:24,037 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-10 04:37:24,037 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-10 04:37:24,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-10 04:37:24,038 INFO L87 Difference]: Start difference. First operand 269 states and 397 transitions. Second operand 4 states. [2018-11-10 04:37:24,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:37:24,077 INFO L93 Difference]: Finished difference Result 481 states and 720 transitions. [2018-11-10 04:37:24,077 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-10 04:37:24,077 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2018-11-10 04:37:24,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:37:24,078 INFO L225 Difference]: With dead ends: 481 [2018-11-10 04:37:24,079 INFO L226 Difference]: Without dead ends: 479 [2018-11-10 04:37:24,079 INFO L605 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 [2018-11-10 04:37:24,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 479 states. [2018-11-10 04:37:24,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 479 to 385. [2018-11-10 04:37:24,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 385 states. [2018-11-10 04:37:24,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 385 states and 571 transitions. [2018-11-10 04:37:24,098 INFO L78 Accepts]: Start accepts. Automaton has 385 states and 571 transitions. Word has length 20 [2018-11-10 04:37:24,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:37:24,098 INFO L481 AbstractCegarLoop]: Abstraction has 385 states and 571 transitions. [2018-11-10 04:37:24,098 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-10 04:37:24,098 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 571 transitions. [2018-11-10 04:37:24,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-10 04:37:24,099 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:37:24,099 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 04:37:24,100 INFO L424 AbstractCegarLoop]: === Iteration 9 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 04:37:24,100 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:37:24,100 INFO L82 PathProgramCache]: Analyzing trace with hash -1628808007, now seen corresponding path program 1 times [2018-11-10 04:37:24,100 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 04:37:24,100 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 04:37:24,101 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:24,101 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:37:24,101 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:24,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:37:24,136 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:37:24,136 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 04:37:24,136 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c2488afa-d67b-41e5-8187-c927e13824bc/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-10 04:37:24,147 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:37:24,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:37:24,153 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 04:37:24,159 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:37:24,185 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-10 04:37:24,185 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2018-11-10 04:37:24,186 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-10 04:37:24,186 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-10 04:37:24,186 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-11-10 04:37:24,186 INFO L87 Difference]: Start difference. First operand 385 states and 571 transitions. Second operand 5 states. [2018-11-10 04:37:24,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:37:24,232 INFO L93 Difference]: Finished difference Result 654 states and 983 transitions. [2018-11-10 04:37:24,232 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-10 04:37:24,232 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2018-11-10 04:37:24,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:37:24,234 INFO L225 Difference]: With dead ends: 654 [2018-11-10 04:37:24,234 INFO L226 Difference]: Without dead ends: 652 [2018-11-10 04:37:24,235 INFO L605 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 [2018-11-10 04:37:24,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 652 states. [2018-11-10 04:37:24,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 652 to 500. [2018-11-10 04:37:24,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 500 states. [2018-11-10 04:37:24,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 500 states and 737 transitions. [2018-11-10 04:37:24,249 INFO L78 Accepts]: Start accepts. Automaton has 500 states and 737 transitions. Word has length 22 [2018-11-10 04:37:24,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:37:24,249 INFO L481 AbstractCegarLoop]: Abstraction has 500 states and 737 transitions. [2018-11-10 04:37:24,249 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-10 04:37:24,249 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 737 transitions. [2018-11-10 04:37:24,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-10 04:37:24,250 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:37:24,250 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 04:37:24,251 INFO L424 AbstractCegarLoop]: === Iteration 10 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 04:37:24,251 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:37:24,251 INFO L82 PathProgramCache]: Analyzing trace with hash -143968740, now seen corresponding path program 1 times [2018-11-10 04:37:24,251 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 04:37:24,251 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 04:37:24,252 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:24,252 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:37:24,252 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:24,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:37:24,269 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:37:24,270 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 04:37:24,270 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c2488afa-d67b-41e5-8187-c927e13824bc/bin-2019/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-10 04:37:24,277 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:37:24,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:37:24,291 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 04:37:24,294 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:37:24,309 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 04:37:24,309 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2018-11-10 04:37:24,309 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-10 04:37:24,309 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-10 04:37:24,310 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-10 04:37:24,310 INFO L87 Difference]: Start difference. First operand 500 states and 737 transitions. Second operand 4 states. [2018-11-10 04:37:24,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:37:24,355 INFO L93 Difference]: Finished difference Result 894 states and 1344 transitions. [2018-11-10 04:37:24,355 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-10 04:37:24,355 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24 [2018-11-10 04:37:24,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:37:24,358 INFO L225 Difference]: With dead ends: 894 [2018-11-10 04:37:24,358 INFO L226 Difference]: Without dead ends: 892 [2018-11-10 04:37:24,359 INFO L605 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 [2018-11-10 04:37:24,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 892 states. [2018-11-10 04:37:24,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 892 to 720. [2018-11-10 04:37:24,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 720 states. [2018-11-10 04:37:24,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 720 states to 720 states and 1059 transitions. [2018-11-10 04:37:24,378 INFO L78 Accepts]: Start accepts. Automaton has 720 states and 1059 transitions. Word has length 24 [2018-11-10 04:37:24,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:37:24,378 INFO L481 AbstractCegarLoop]: Abstraction has 720 states and 1059 transitions. [2018-11-10 04:37:24,378 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-10 04:37:24,379 INFO L276 IsEmpty]: Start isEmpty. Operand 720 states and 1059 transitions. [2018-11-10 04:37:24,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-10 04:37:24,379 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:37:24,380 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 04:37:24,380 INFO L424 AbstractCegarLoop]: === Iteration 11 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 04:37:24,380 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:37:24,380 INFO L82 PathProgramCache]: Analyzing trace with hash -981204821, now seen corresponding path program 1 times [2018-11-10 04:37:24,380 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 04:37:24,381 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 04:37:24,382 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:24,382 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:37:24,382 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:24,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:37:24,415 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:37:24,415 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 04:37:24,415 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c2488afa-d67b-41e5-8187-c927e13824bc/bin-2019/uautomizer/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-10 04:37:24,434 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:37:24,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:37:24,442 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 04:37:24,469 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:37:24,484 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-10 04:37:24,485 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2018-11-10 04:37:24,485 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-10 04:37:24,485 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-10 04:37:24,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-11-10 04:37:24,485 INFO L87 Difference]: Start difference. First operand 720 states and 1059 transitions. Second operand 5 states. [2018-11-10 04:37:24,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:37:24,528 INFO L93 Difference]: Finished difference Result 1223 states and 1831 transitions. [2018-11-10 04:37:24,529 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-10 04:37:24,529 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2018-11-10 04:37:24,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:37:24,531 INFO L225 Difference]: With dead ends: 1223 [2018-11-10 04:37:24,532 INFO L226 Difference]: Without dead ends: 1221 [2018-11-10 04:37:24,532 INFO L605 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 [2018-11-10 04:37:24,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1221 states. [2018-11-10 04:37:24,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1221 to 939. [2018-11-10 04:37:24,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 939 states. [2018-11-10 04:37:24,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 939 states to 939 states and 1365 transitions. [2018-11-10 04:37:24,557 INFO L78 Accepts]: Start accepts. Automaton has 939 states and 1365 transitions. Word has length 26 [2018-11-10 04:37:24,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:37:24,557 INFO L481 AbstractCegarLoop]: Abstraction has 939 states and 1365 transitions. [2018-11-10 04:37:24,557 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-10 04:37:24,557 INFO L276 IsEmpty]: Start isEmpty. Operand 939 states and 1365 transitions. [2018-11-10 04:37:24,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-10 04:37:24,558 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:37:24,558 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1] [2018-11-10 04:37:24,559 INFO L424 AbstractCegarLoop]: === Iteration 12 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 04:37:24,559 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:37:24,559 INFO L82 PathProgramCache]: Analyzing trace with hash 223794447, now seen corresponding path program 2 times [2018-11-10 04:37:24,559 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 04:37:24,559 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 04:37:24,560 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:24,560 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:37:24,560 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:24,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:37:24,599 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:37:24,599 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 04:37:24,599 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c2488afa-d67b-41e5-8187-c927e13824bc/bin-2019/uautomizer/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-10 04:37:24,607 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-11-10 04:37:24,622 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-11-10 04:37:24,622 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-10 04:37:24,624 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 04:37:24,628 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:37:24,646 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 04:37:24,646 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2018-11-10 04:37:24,647 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-10 04:37:24,647 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-10 04:37:24,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-11-10 04:37:24,647 INFO L87 Difference]: Start difference. First operand 939 states and 1365 transitions. Second operand 5 states. [2018-11-10 04:37:24,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:37:24,703 INFO L93 Difference]: Finished difference Result 1612 states and 2374 transitions. [2018-11-10 04:37:24,704 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-10 04:37:24,704 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 28 [2018-11-10 04:37:24,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:37:24,707 INFO L225 Difference]: With dead ends: 1612 [2018-11-10 04:37:24,707 INFO L226 Difference]: Without dead ends: 1610 [2018-11-10 04:37:24,708 INFO L605 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 [2018-11-10 04:37:24,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1610 states. [2018-11-10 04:37:24,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1610 to 1285. [2018-11-10 04:37:24,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1285 states. [2018-11-10 04:37:24,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1285 states to 1285 states and 1860 transitions. [2018-11-10 04:37:24,739 INFO L78 Accepts]: Start accepts. Automaton has 1285 states and 1860 transitions. Word has length 28 [2018-11-10 04:37:24,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:37:24,739 INFO L481 AbstractCegarLoop]: Abstraction has 1285 states and 1860 transitions. [2018-11-10 04:37:24,739 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-10 04:37:24,739 INFO L276 IsEmpty]: Start isEmpty. Operand 1285 states and 1860 transitions. [2018-11-10 04:37:24,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-10 04:37:24,740 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:37:24,740 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1] [2018-11-10 04:37:24,741 INFO L424 AbstractCegarLoop]: === Iteration 13 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 04:37:24,741 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:37:24,741 INFO L82 PathProgramCache]: Analyzing trace with hash -849210868, now seen corresponding path program 1 times [2018-11-10 04:37:24,741 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 04:37:24,741 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 04:37:24,742 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:24,742 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-10 04:37:24,743 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:24,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:37:24,784 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:37:24,785 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 04:37:24,785 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c2488afa-d67b-41e5-8187-c927e13824bc/bin-2019/uautomizer/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-10 04:37:24,802 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:37:24,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:37:24,811 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 04:37:24,814 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:37:24,830 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 04:37:24,830 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2018-11-10 04:37:24,831 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-10 04:37:24,831 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-10 04:37:24,831 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-11-10 04:37:24,831 INFO L87 Difference]: Start difference. First operand 1285 states and 1860 transitions. Second operand 5 states. [2018-11-10 04:37:24,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:37:24,885 INFO L93 Difference]: Finished difference Result 2091 states and 3042 transitions. [2018-11-10 04:37:24,885 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-10 04:37:24,885 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2018-11-10 04:37:24,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:37:24,890 INFO L225 Difference]: With dead ends: 2091 [2018-11-10 04:37:24,890 INFO L226 Difference]: Without dead ends: 2090 [2018-11-10 04:37:24,891 INFO L605 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 [2018-11-10 04:37:24,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2090 states. [2018-11-10 04:37:24,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2090 to 1537. [2018-11-10 04:37:24,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1537 states. [2018-11-10 04:37:24,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1537 states to 1537 states and 2222 transitions. [2018-11-10 04:37:24,931 INFO L78 Accepts]: Start accepts. Automaton has 1537 states and 2222 transitions. Word has length 32 [2018-11-10 04:37:24,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:37:24,931 INFO L481 AbstractCegarLoop]: Abstraction has 1537 states and 2222 transitions. [2018-11-10 04:37:24,931 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-10 04:37:24,931 INFO L276 IsEmpty]: Start isEmpty. Operand 1537 states and 2222 transitions. [2018-11-10 04:37:24,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-10 04:37:24,932 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:37:24,932 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1] [2018-11-10 04:37:24,933 INFO L424 AbstractCegarLoop]: === Iteration 14 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 04:37:24,933 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:37:24,933 INFO L82 PathProgramCache]: Analyzing trace with hash -1388360378, now seen corresponding path program 2 times [2018-11-10 04:37:24,933 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 04:37:24,933 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 04:37:24,934 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:24,934 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:37:24,934 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:24,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:37:24,978 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:37:24,978 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 04:37:24,978 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c2488afa-d67b-41e5-8187-c927e13824bc/bin-2019/uautomizer/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-10 04:37:24,985 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-11-10 04:37:24,994 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-11-10 04:37:24,994 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-10 04:37:24,996 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 04:37:25,000 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:37:25,016 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 04:37:25,016 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2018-11-10 04:37:25,016 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-10 04:37:25,017 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-10 04:37:25,017 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-11-10 04:37:25,017 INFO L87 Difference]: Start difference. First operand 1537 states and 2222 transitions. Second operand 5 states. [2018-11-10 04:37:25,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:37:25,093 INFO L93 Difference]: Finished difference Result 2635 states and 3866 transitions. [2018-11-10 04:37:25,093 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-10 04:37:25,093 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2018-11-10 04:37:25,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:37:25,098 INFO L225 Difference]: With dead ends: 2635 [2018-11-10 04:37:25,099 INFO L226 Difference]: Without dead ends: 2633 [2018-11-10 04:37:25,100 INFO L605 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 [2018-11-10 04:37:25,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2633 states. [2018-11-10 04:37:25,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2633 to 2106. [2018-11-10 04:37:25,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2106 states. [2018-11-10 04:37:25,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2106 states to 2106 states and 3029 transitions. [2018-11-10 04:37:25,142 INFO L78 Accepts]: Start accepts. Automaton has 2106 states and 3029 transitions. Word has length 34 [2018-11-10 04:37:25,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:37:25,143 INFO L481 AbstractCegarLoop]: Abstraction has 2106 states and 3029 transitions. [2018-11-10 04:37:25,143 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-10 04:37:25,143 INFO L276 IsEmpty]: Start isEmpty. Operand 2106 states and 3029 transitions. [2018-11-10 04:37:25,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-10 04:37:25,144 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:37:25,144 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1] [2018-11-10 04:37:25,144 INFO L424 AbstractCegarLoop]: === Iteration 15 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 04:37:25,144 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:37:25,144 INFO L82 PathProgramCache]: Analyzing trace with hash -1466345278, now seen corresponding path program 3 times [2018-11-10 04:37:25,144 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 04:37:25,145 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 04:37:25,145 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:25,145 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-10 04:37:25,146 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:25,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:37:25,194 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:37:25,194 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 04:37:25,195 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c2488afa-d67b-41e5-8187-c927e13824bc/bin-2019/uautomizer/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-10 04:37:25,202 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-11-10 04:37:25,234 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2018-11-10 04:37:25,234 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-10 04:37:25,235 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 04:37:25,240 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:37:25,257 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 04:37:25,258 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2018-11-10 04:37:25,258 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-10 04:37:25,258 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 04:37:25,258 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2018-11-10 04:37:25,258 INFO L87 Difference]: Start difference. First operand 2106 states and 3029 transitions. Second operand 6 states. [2018-11-10 04:37:25,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:37:25,335 INFO L93 Difference]: Finished difference Result 3397 states and 4956 transitions. [2018-11-10 04:37:25,336 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-10 04:37:25,336 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 36 [2018-11-10 04:37:25,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:37:25,342 INFO L225 Difference]: With dead ends: 3397 [2018-11-10 04:37:25,342 INFO L226 Difference]: Without dead ends: 3395 [2018-11-10 04:37:25,344 INFO L605 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 [2018-11-10 04:37:25,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3395 states. [2018-11-10 04:37:25,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3395 to 2754. [2018-11-10 04:37:25,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2754 states. [2018-11-10 04:37:25,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2754 states to 2754 states and 3940 transitions. [2018-11-10 04:37:25,403 INFO L78 Accepts]: Start accepts. Automaton has 2754 states and 3940 transitions. Word has length 36 [2018-11-10 04:37:25,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:37:25,403 INFO L481 AbstractCegarLoop]: Abstraction has 2754 states and 3940 transitions. [2018-11-10 04:37:25,404 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-10 04:37:25,404 INFO L276 IsEmpty]: Start isEmpty. Operand 2754 states and 3940 transitions. [2018-11-10 04:37:25,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-10 04:37:25,404 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:37:25,405 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1] [2018-11-10 04:37:25,405 INFO L424 AbstractCegarLoop]: === Iteration 16 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 04:37:25,405 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:37:25,405 INFO L82 PathProgramCache]: Analyzing trace with hash 1981242741, now seen corresponding path program 1 times [2018-11-10 04:37:25,405 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 04:37:25,405 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 04:37:25,406 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:25,406 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-10 04:37:25,406 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:25,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:37:25,442 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:37:25,442 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 04:37:25,442 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c2488afa-d67b-41e5-8187-c927e13824bc/bin-2019/uautomizer/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-10 04:37:25,448 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:37:25,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:37:25,459 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 04:37:25,463 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:37:25,480 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 04:37:25,480 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2018-11-10 04:37:25,480 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-10 04:37:25,480 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-10 04:37:25,480 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-11-10 04:37:25,481 INFO L87 Difference]: Start difference. First operand 2754 states and 3940 transitions. Second operand 5 states. [2018-11-10 04:37:25,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:37:25,573 INFO L93 Difference]: Finished difference Result 4475 states and 6448 transitions. [2018-11-10 04:37:25,573 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-10 04:37:25,573 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 38 [2018-11-10 04:37:25,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:37:25,581 INFO L225 Difference]: With dead ends: 4475 [2018-11-10 04:37:25,581 INFO L226 Difference]: Without dead ends: 4474 [2018-11-10 04:37:25,583 INFO L605 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 [2018-11-10 04:37:25,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4474 states. [2018-11-10 04:37:25,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4474 to 3296. [2018-11-10 04:37:25,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3296 states. [2018-11-10 04:37:25,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3296 states to 3296 states and 4708 transitions. [2018-11-10 04:37:25,657 INFO L78 Accepts]: Start accepts. Automaton has 3296 states and 4708 transitions. Word has length 38 [2018-11-10 04:37:25,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:37:25,657 INFO L481 AbstractCegarLoop]: Abstraction has 3296 states and 4708 transitions. [2018-11-10 04:37:25,657 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-10 04:37:25,658 INFO L276 IsEmpty]: Start isEmpty. Operand 3296 states and 4708 transitions. [2018-11-10 04:37:25,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-10 04:37:25,658 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:37:25,659 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 1, 1, 1, 1, 1, 1] [2018-11-10 04:37:25,659 INFO L424 AbstractCegarLoop]: === Iteration 17 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 04:37:25,659 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:37:25,659 INFO L82 PathProgramCache]: Analyzing trace with hash 1901189380, now seen corresponding path program 2 times [2018-11-10 04:37:25,659 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 04:37:25,659 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 04:37:25,660 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:25,660 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:37:25,660 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:25,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:37:25,707 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:37:25,708 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 04:37:25,708 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c2488afa-d67b-41e5-8187-c927e13824bc/bin-2019/uautomizer/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-10 04:37:25,727 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-11-10 04:37:25,742 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-11-10 04:37:25,742 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-10 04:37:25,743 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 04:37:25,748 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:37:25,765 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 04:37:25,765 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2018-11-10 04:37:25,765 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-10 04:37:25,766 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 04:37:25,766 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2018-11-10 04:37:25,766 INFO L87 Difference]: Start difference. First operand 3296 states and 4708 transitions. Second operand 6 states. [2018-11-10 04:37:25,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:37:25,873 INFO L93 Difference]: Finished difference Result 5056 states and 7276 transitions. [2018-11-10 04:37:25,874 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-10 04:37:25,874 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 41 [2018-11-10 04:37:25,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:37:25,883 INFO L225 Difference]: With dead ends: 5056 [2018-11-10 04:37:25,883 INFO L226 Difference]: Without dead ends: 5055 [2018-11-10 04:37:25,886 INFO L605 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 [2018-11-10 04:37:25,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5055 states. [2018-11-10 04:37:25,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5055 to 3710. [2018-11-10 04:37:25,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3710 states. [2018-11-10 04:37:25,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3710 states to 3710 states and 5298 transitions. [2018-11-10 04:37:25,969 INFO L78 Accepts]: Start accepts. Automaton has 3710 states and 5298 transitions. Word has length 41 [2018-11-10 04:37:25,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:37:25,969 INFO L481 AbstractCegarLoop]: Abstraction has 3710 states and 5298 transitions. [2018-11-10 04:37:25,969 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-10 04:37:25,969 INFO L276 IsEmpty]: Start isEmpty. Operand 3710 states and 5298 transitions. [2018-11-10 04:37:25,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-10 04:37:25,970 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:37:25,970 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 4, 4, 1, 1, 1, 1, 1, 1] [2018-11-10 04:37:25,971 INFO L424 AbstractCegarLoop]: === Iteration 18 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 04:37:25,971 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:37:25,971 INFO L82 PathProgramCache]: Analyzing trace with hash -1836942987, now seen corresponding path program 4 times [2018-11-10 04:37:25,971 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 04:37:25,971 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 04:37:25,972 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:25,972 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-10 04:37:25,972 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:25,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:37:26,024 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:37:26,024 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 04:37:26,024 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c2488afa-d67b-41e5-8187-c927e13824bc/bin-2019/uautomizer/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-10 04:37:26,035 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-11-10 04:37:26,046 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-11-10 04:37:26,047 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-10 04:37:26,048 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 04:37:26,055 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:37:26,071 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 04:37:26,072 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2018-11-10 04:37:26,072 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-10 04:37:26,072 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-10 04:37:26,072 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2018-11-10 04:37:26,072 INFO L87 Difference]: Start difference. First operand 3710 states and 5298 transitions. Second operand 7 states. [2018-11-10 04:37:26,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:37:26,192 INFO L93 Difference]: Finished difference Result 5694 states and 8252 transitions. [2018-11-10 04:37:26,192 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-10 04:37:26,192 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 44 [2018-11-10 04:37:26,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:37:26,208 INFO L225 Difference]: With dead ends: 5694 [2018-11-10 04:37:26,208 INFO L226 Difference]: Without dead ends: 5692 [2018-11-10 04:37:26,211 INFO L605 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 [2018-11-10 04:37:26,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5692 states. [2018-11-10 04:37:26,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5692 to 4693. [2018-11-10 04:37:26,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4693 states. [2018-11-10 04:37:26,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4693 states to 4693 states and 6669 transitions. [2018-11-10 04:37:26,342 INFO L78 Accepts]: Start accepts. Automaton has 4693 states and 6669 transitions. Word has length 44 [2018-11-10 04:37:26,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:37:26,342 INFO L481 AbstractCegarLoop]: Abstraction has 4693 states and 6669 transitions. [2018-11-10 04:37:26,342 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-10 04:37:26,342 INFO L276 IsEmpty]: Start isEmpty. Operand 4693 states and 6669 transitions. [2018-11-10 04:37:26,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-10 04:37:26,343 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:37:26,344 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1] [2018-11-10 04:37:26,344 INFO L424 AbstractCegarLoop]: === Iteration 19 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 04:37:26,344 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:37:26,344 INFO L82 PathProgramCache]: Analyzing trace with hash 598210544, now seen corresponding path program 3 times [2018-11-10 04:37:26,344 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 04:37:26,344 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 04:37:26,345 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:26,345 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-10 04:37:26,345 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:26,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:37:26,383 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:37:26,383 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 04:37:26,383 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c2488afa-d67b-41e5-8187-c927e13824bc/bin-2019/uautomizer/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-10 04:37:26,390 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-11-10 04:37:26,426 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2018-11-10 04:37:26,426 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-10 04:37:26,427 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 04:37:26,431 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:37:26,448 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 04:37:26,448 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2018-11-10 04:37:26,448 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-10 04:37:26,448 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 04:37:26,448 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2018-11-10 04:37:26,449 INFO L87 Difference]: Start difference. First operand 4693 states and 6669 transitions. Second operand 6 states. [2018-11-10 04:37:26,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:37:26,588 INFO L93 Difference]: Finished difference Result 7553 states and 10909 transitions. [2018-11-10 04:37:26,588 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-10 04:37:26,589 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 44 [2018-11-10 04:37:26,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:37:26,600 INFO L225 Difference]: With dead ends: 7553 [2018-11-10 04:37:26,600 INFO L226 Difference]: Without dead ends: 7551 [2018-11-10 04:37:26,604 INFO L605 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 [2018-11-10 04:37:26,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7551 states. [2018-11-10 04:37:26,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7551 to 6141. [2018-11-10 04:37:26,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6141 states. [2018-11-10 04:37:26,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6141 states to 6141 states and 8677 transitions. [2018-11-10 04:37:26,740 INFO L78 Accepts]: Start accepts. Automaton has 6141 states and 8677 transitions. Word has length 44 [2018-11-10 04:37:26,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:37:26,740 INFO L481 AbstractCegarLoop]: Abstraction has 6141 states and 8677 transitions. [2018-11-10 04:37:26,740 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-10 04:37:26,740 INFO L276 IsEmpty]: Start isEmpty. Operand 6141 states and 8677 transitions. [2018-11-10 04:37:26,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-10 04:37:26,741 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:37:26,742 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 1, 1, 1, 1, 1, 1] [2018-11-10 04:37:26,742 INFO L424 AbstractCegarLoop]: === Iteration 20 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 04:37:26,742 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:37:26,742 INFO L82 PathProgramCache]: Analyzing trace with hash -602602044, now seen corresponding path program 2 times [2018-11-10 04:37:26,742 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 04:37:26,742 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 04:37:26,743 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:26,743 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-10 04:37:26,744 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:26,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:37:26,787 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:37:26,788 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 04:37:26,788 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c2488afa-d67b-41e5-8187-c927e13824bc/bin-2019/uautomizer/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-10 04:37:26,796 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-11-10 04:37:26,810 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-11-10 04:37:26,811 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-10 04:37:26,814 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 04:37:26,820 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:37:26,837 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 04:37:26,837 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2018-11-10 04:37:26,837 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-10 04:37:26,837 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 04:37:26,837 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2018-11-10 04:37:26,837 INFO L87 Difference]: Start difference. First operand 6141 states and 8677 transitions. Second operand 6 states. [2018-11-10 04:37:26,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:37:26,999 INFO L93 Difference]: Finished difference Result 9410 states and 13413 transitions. [2018-11-10 04:37:27,000 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-10 04:37:27,000 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 49 [2018-11-10 04:37:27,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:37:27,011 INFO L225 Difference]: With dead ends: 9410 [2018-11-10 04:37:27,011 INFO L226 Difference]: Without dead ends: 9409 [2018-11-10 04:37:27,015 INFO L605 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 [2018-11-10 04:37:27,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9409 states. [2018-11-10 04:37:27,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9409 to 6913. [2018-11-10 04:37:27,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6913 states. [2018-11-10 04:37:27,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6913 states to 6913 states and 9765 transitions. [2018-11-10 04:37:27,161 INFO L78 Accepts]: Start accepts. Automaton has 6913 states and 9765 transitions. Word has length 49 [2018-11-10 04:37:27,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:37:27,161 INFO L481 AbstractCegarLoop]: Abstraction has 6913 states and 9765 transitions. [2018-11-10 04:37:27,161 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-10 04:37:27,161 INFO L276 IsEmpty]: Start isEmpty. Operand 6913 states and 9765 transitions. [2018-11-10 04:37:27,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-10 04:37:27,163 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:37:27,163 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 1, 1, 1, 1, 1, 1] [2018-11-10 04:37:27,163 INFO L424 AbstractCegarLoop]: === Iteration 21 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 04:37:27,164 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:37:27,164 INFO L82 PathProgramCache]: Analyzing trace with hash 1055287564, now seen corresponding path program 3 times [2018-11-10 04:37:27,164 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 04:37:27,164 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 04:37:27,165 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:27,165 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-10 04:37:27,165 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:27,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:37:27,212 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:37:27,212 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 04:37:27,212 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c2488afa-d67b-41e5-8187-c927e13824bc/bin-2019/uautomizer/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-10 04:37:27,230 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-11-10 04:37:27,257 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2018-11-10 04:37:27,257 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-10 04:37:27,259 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 04:37:27,266 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:37:27,282 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 04:37:27,282 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2018-11-10 04:37:27,283 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-10 04:37:27,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-10 04:37:27,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2018-11-10 04:37:27,283 INFO L87 Difference]: Start difference. First operand 6913 states and 9765 transitions. Second operand 7 states. [2018-11-10 04:37:27,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:37:27,498 INFO L93 Difference]: Finished difference Result 10150 states and 14465 transitions. [2018-11-10 04:37:27,499 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-10 04:37:27,499 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 50 [2018-11-10 04:37:27,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:37:27,514 INFO L225 Difference]: With dead ends: 10150 [2018-11-10 04:37:27,514 INFO L226 Difference]: Without dead ends: 10149 [2018-11-10 04:37:27,518 INFO L605 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 [2018-11-10 04:37:27,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10149 states. [2018-11-10 04:37:27,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10149 to 7523. [2018-11-10 04:37:27,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7523 states. [2018-11-10 04:37:27,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7523 states to 7523 states and 10629 transitions. [2018-11-10 04:37:27,737 INFO L78 Accepts]: Start accepts. Automaton has 7523 states and 10629 transitions. Word has length 50 [2018-11-10 04:37:27,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:37:27,738 INFO L481 AbstractCegarLoop]: Abstraction has 7523 states and 10629 transitions. [2018-11-10 04:37:27,738 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-10 04:37:27,738 INFO L276 IsEmpty]: Start isEmpty. Operand 7523 states and 10629 transitions. [2018-11-10 04:37:27,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-10 04:37:27,739 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:37:27,740 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 5, 5, 1, 1, 1, 1, 1, 1] [2018-11-10 04:37:27,740 INFO L424 AbstractCegarLoop]: === Iteration 22 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 04:37:27,740 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:37:27,740 INFO L82 PathProgramCache]: Analyzing trace with hash -1121634520, now seen corresponding path program 5 times [2018-11-10 04:37:27,740 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 04:37:27,740 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 04:37:27,741 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:27,741 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-10 04:37:27,741 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:27,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:37:27,786 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 0 proven. 115 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:37:27,786 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 04:37:27,787 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c2488afa-d67b-41e5-8187-c927e13824bc/bin-2019/uautomizer/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-10 04:37:27,795 INFO L103 rtionOrderModulation]: Keeping assertion order INSIDE_LOOP_FIRST1 [2018-11-10 04:37:27,812 INFO L249 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2018-11-10 04:37:27,812 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-10 04:37:27,814 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 04:37:27,820 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 0 proven. 115 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:37:27,846 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 04:37:27,846 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2018-11-10 04:37:27,847 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-10 04:37:27,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-10 04:37:27,847 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2018-11-10 04:37:27,847 INFO L87 Difference]: Start difference. First operand 7523 states and 10629 transitions. Second operand 8 states. [2018-11-10 04:37:28,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:37:28,013 INFO L93 Difference]: Finished difference Result 11088 states and 15913 transitions. [2018-11-10 04:37:28,014 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-10 04:37:28,015 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 52 [2018-11-10 04:37:28,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:37:28,026 INFO L225 Difference]: With dead ends: 11088 [2018-11-10 04:37:28,026 INFO L226 Difference]: Without dead ends: 11086 [2018-11-10 04:37:28,031 INFO L605 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 [2018-11-10 04:37:28,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11086 states. [2018-11-10 04:37:28,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11086 to 9277. [2018-11-10 04:37:28,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9277 states. [2018-11-10 04:37:28,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9277 states to 9277 states and 13050 transitions. [2018-11-10 04:37:28,186 INFO L78 Accepts]: Start accepts. Automaton has 9277 states and 13050 transitions. Word has length 52 [2018-11-10 04:37:28,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:37:28,186 INFO L481 AbstractCegarLoop]: Abstraction has 9277 states and 13050 transitions. [2018-11-10 04:37:28,187 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-10 04:37:28,187 INFO L276 IsEmpty]: Start isEmpty. Operand 9277 states and 13050 transitions. [2018-11-10 04:37:28,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-10 04:37:28,188 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:37:28,188 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 1, 1, 1, 1, 1, 1] [2018-11-10 04:37:28,189 INFO L424 AbstractCegarLoop]: === Iteration 23 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 04:37:28,189 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:37:28,189 INFO L82 PathProgramCache]: Analyzing trace with hash 1990383130, now seen corresponding path program 4 times [2018-11-10 04:37:28,189 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 04:37:28,189 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 04:37:28,190 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:28,190 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-10 04:37:28,190 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:28,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:37:28,229 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:37:28,229 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 04:37:28,229 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c2488afa-d67b-41e5-8187-c927e13824bc/bin-2019/uautomizer/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-10 04:37:28,242 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-11-10 04:37:28,278 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-11-10 04:37:28,278 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-10 04:37:28,279 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 04:37:28,283 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:37:28,300 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 04:37:28,300 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2018-11-10 04:37:28,300 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-10 04:37:28,300 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-10 04:37:28,300 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2018-11-10 04:37:28,301 INFO L87 Difference]: Start difference. First operand 9277 states and 13050 transitions. Second operand 7 states. [2018-11-10 04:37:28,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:37:28,488 INFO L93 Difference]: Finished difference Result 14212 states and 20329 transitions. [2018-11-10 04:37:28,488 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-10 04:37:28,488 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 54 [2018-11-10 04:37:28,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:37:28,503 INFO L225 Difference]: With dead ends: 14212 [2018-11-10 04:37:28,503 INFO L226 Difference]: Without dead ends: 14210 [2018-11-10 04:37:28,507 INFO L605 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 [2018-11-10 04:37:28,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14210 states. [2018-11-10 04:37:28,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14210 to 11739. [2018-11-10 04:37:28,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11739 states. [2018-11-10 04:37:28,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11739 states to 11739 states and 16429 transitions. [2018-11-10 04:37:28,718 INFO L78 Accepts]: Start accepts. Automaton has 11739 states and 16429 transitions. Word has length 54 [2018-11-10 04:37:28,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:37:28,718 INFO L481 AbstractCegarLoop]: Abstraction has 11739 states and 16429 transitions. [2018-11-10 04:37:28,718 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-10 04:37:28,718 INFO L276 IsEmpty]: Start isEmpty. Operand 11739 states and 16429 transitions. [2018-11-10 04:37:28,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-10 04:37:28,720 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:37:28,720 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 5, 1, 1, 1, 1, 1, 1] [2018-11-10 04:37:28,721 INFO L424 AbstractCegarLoop]: === Iteration 24 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 04:37:28,721 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:37:28,721 INFO L82 PathProgramCache]: Analyzing trace with hash 1774150148, now seen corresponding path program 4 times [2018-11-10 04:37:28,721 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 04:37:28,721 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 04:37:28,722 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:28,722 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-10 04:37:28,722 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:28,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:37:28,787 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 135 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:37:28,787 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 04:37:28,787 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c2488afa-d67b-41e5-8187-c927e13824bc/bin-2019/uautomizer/z3 Starting monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-10 04:37:28,796 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-11-10 04:37:28,810 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-11-10 04:37:28,810 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-10 04:37:28,811 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 04:37:28,818 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 135 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:37:28,839 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 04:37:28,839 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2018-11-10 04:37:28,839 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-10 04:37:28,840 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-10 04:37:28,840 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2018-11-10 04:37:28,840 INFO L87 Difference]: Start difference. First operand 11739 states and 16429 transitions. Second operand 8 states. [2018-11-10 04:37:29,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:37:29,058 INFO L93 Difference]: Finished difference Result 16654 states and 23533 transitions. [2018-11-10 04:37:29,058 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-10 04:37:29,058 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 59 [2018-11-10 04:37:29,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:37:29,080 INFO L225 Difference]: With dead ends: 16654 [2018-11-10 04:37:29,080 INFO L226 Difference]: Without dead ends: 16653 [2018-11-10 04:37:29,086 INFO L605 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 [2018-11-10 04:37:29,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16653 states. [2018-11-10 04:37:29,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16653 to 12511. [2018-11-10 04:37:29,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12511 states. [2018-11-10 04:37:29,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12511 states to 12511 states and 17517 transitions. [2018-11-10 04:37:29,324 INFO L78 Accepts]: Start accepts. Automaton has 12511 states and 17517 transitions. Word has length 59 [2018-11-10 04:37:29,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:37:29,324 INFO L481 AbstractCegarLoop]: Abstraction has 12511 states and 17517 transitions. [2018-11-10 04:37:29,324 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-10 04:37:29,324 INFO L276 IsEmpty]: Start isEmpty. Operand 12511 states and 17517 transitions. [2018-11-10 04:37:29,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-10 04:37:29,326 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:37:29,326 INFO L375 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 6, 6, 1, 1, 1, 1, 1, 1] [2018-11-10 04:37:29,326 INFO L424 AbstractCegarLoop]: === Iteration 25 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 04:37:29,326 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:37:29,327 INFO L82 PathProgramCache]: Analyzing trace with hash 1469354459, now seen corresponding path program 6 times [2018-11-10 04:37:29,327 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 04:37:29,327 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 04:37:29,328 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:29,328 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-10 04:37:29,328 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:29,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:37:29,377 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:37:29,378 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 04:37:29,378 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c2488afa-d67b-41e5-8187-c927e13824bc/bin-2019/uautomizer/z3 Starting monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-10 04:37:29,386 INFO L103 rtionOrderModulation]: Keeping assertion order MIX_INSIDE_OUTSIDE [2018-11-10 04:37:29,400 INFO L249 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2018-11-10 04:37:29,400 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-10 04:37:29,402 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 04:37:29,410 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:37:29,428 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 04:37:29,428 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 8 [2018-11-10 04:37:29,429 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-10 04:37:29,429 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-10 04:37:29,429 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2018-11-10 04:37:29,429 INFO L87 Difference]: Start difference. First operand 12511 states and 17517 transitions. Second operand 9 states. [2018-11-10 04:37:29,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:37:29,683 INFO L93 Difference]: Finished difference Result 17840 states and 25381 transitions. [2018-11-10 04:37:29,683 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-10 04:37:29,683 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 60 [2018-11-10 04:37:29,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:37:29,700 INFO L225 Difference]: With dead ends: 17840 [2018-11-10 04:37:29,701 INFO L226 Difference]: Without dead ends: 17838 [2018-11-10 04:37:29,704 INFO L605 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 [2018-11-10 04:37:29,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17838 states. [2018-11-10 04:37:29,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17838 to 15117. [2018-11-10 04:37:29,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15117 states. [2018-11-10 04:37:29,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15117 states to 15117 states and 21085 transitions. [2018-11-10 04:37:29,967 INFO L78 Accepts]: Start accepts. Automaton has 15117 states and 21085 transitions. Word has length 60 [2018-11-10 04:37:29,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:37:29,968 INFO L481 AbstractCegarLoop]: Abstraction has 15117 states and 21085 transitions. [2018-11-10 04:37:29,968 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-10 04:37:29,968 INFO L276 IsEmpty]: Start isEmpty. Operand 15117 states and 21085 transitions. [2018-11-10 04:37:29,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-10 04:37:29,969 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:37:29,969 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 1, 1, 1, 1, 1, 1] [2018-11-10 04:37:29,970 INFO L424 AbstractCegarLoop]: === Iteration 26 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 04:37:29,970 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:37:29,970 INFO L82 PathProgramCache]: Analyzing trace with hash -1169136107, now seen corresponding path program 3 times [2018-11-10 04:37:29,970 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 04:37:29,970 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 04:37:29,971 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:29,971 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-10 04:37:29,971 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:29,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:37:30,031 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:37:30,031 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 04:37:30,031 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c2488afa-d67b-41e5-8187-c927e13824bc/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 [2018-11-10 04:37:30,044 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-11-10 04:37:30,059 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2018-11-10 04:37:30,059 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-10 04:37:30,060 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 04:37:30,066 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:37:30,086 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 04:37:30,086 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2018-11-10 04:37:30,086 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-10 04:37:30,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-10 04:37:30,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2018-11-10 04:37:30,087 INFO L87 Difference]: Start difference. First operand 15117 states and 21085 transitions. Second operand 7 states. [2018-11-10 04:37:30,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:37:30,401 INFO L93 Difference]: Finished difference Result 22172 states and 31235 transitions. [2018-11-10 04:37:30,401 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-10 04:37:30,401 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 60 [2018-11-10 04:37:30,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:37:30,424 INFO L225 Difference]: With dead ends: 22172 [2018-11-10 04:37:30,424 INFO L226 Difference]: Without dead ends: 22171 [2018-11-10 04:37:30,431 INFO L605 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 [2018-11-10 04:37:30,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22171 states. [2018-11-10 04:37:30,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22171 to 16451. [2018-11-10 04:37:30,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16451 states. [2018-11-10 04:37:30,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16451 states to 16451 states and 22951 transitions. [2018-11-10 04:37:30,836 INFO L78 Accepts]: Start accepts. Automaton has 16451 states and 22951 transitions. Word has length 60 [2018-11-10 04:37:30,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:37:30,836 INFO L481 AbstractCegarLoop]: Abstraction has 16451 states and 22951 transitions. [2018-11-10 04:37:30,836 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-10 04:37:30,836 INFO L276 IsEmpty]: Start isEmpty. Operand 16451 states and 22951 transitions. [2018-11-10 04:37:30,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-10 04:37:30,838 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:37:30,838 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 1, 1, 1, 1, 1, 1] [2018-11-10 04:37:30,838 INFO L424 AbstractCegarLoop]: === Iteration 27 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 04:37:30,838 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:37:30,838 INFO L82 PathProgramCache]: Analyzing trace with hash -1717205052, now seen corresponding path program 5 times [2018-11-10 04:37:30,838 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 04:37:30,838 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 04:37:30,839 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:30,839 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-10 04:37:30,839 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:30,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:37:30,916 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:37:30,916 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 04:37:30,916 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c2488afa-d67b-41e5-8187-c927e13824bc/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 [2018-11-10 04:37:30,928 INFO L103 rtionOrderModulation]: Keeping assertion order INSIDE_LOOP_FIRST1 [2018-11-10 04:37:30,943 INFO L249 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2018-11-10 04:37:30,944 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-10 04:37:30,945 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 04:37:30,952 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:37:30,979 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 04:37:30,979 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2018-11-10 04:37:30,979 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-10 04:37:30,979 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-10 04:37:30,980 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2018-11-10 04:37:30,980 INFO L87 Difference]: Start difference. First operand 16451 states and 22951 transitions. Second operand 8 states. [2018-11-10 04:37:31,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:37:31,257 INFO L93 Difference]: Finished difference Result 24218 states and 34362 transitions. [2018-11-10 04:37:31,257 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-10 04:37:31,257 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 64 [2018-11-10 04:37:31,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:37:31,276 INFO L225 Difference]: With dead ends: 24218 [2018-11-10 04:37:31,277 INFO L226 Difference]: Without dead ends: 24216 [2018-11-10 04:37:31,281 INFO L605 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 [2018-11-10 04:37:31,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24216 states. [2018-11-10 04:37:31,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24216 to 20289. [2018-11-10 04:37:31,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20289 states. [2018-11-10 04:37:31,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20289 states to 20289 states and 28180 transitions. [2018-11-10 04:37:31,639 INFO L78 Accepts]: Start accepts. Automaton has 20289 states and 28180 transitions. Word has length 64 [2018-11-10 04:37:31,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:37:31,639 INFO L481 AbstractCegarLoop]: Abstraction has 20289 states and 28180 transitions. [2018-11-10 04:37:31,639 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-10 04:37:31,639 INFO L276 IsEmpty]: Start isEmpty. Operand 20289 states and 28180 transitions. [2018-11-10 04:37:31,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-11-10 04:37:31,641 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:37:31,641 INFO L375 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 7, 7, 1, 1, 1, 1, 1, 1] [2018-11-10 04:37:31,641 INFO L424 AbstractCegarLoop]: === Iteration 28 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 04:37:31,641 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:37:31,642 INFO L82 PathProgramCache]: Analyzing trace with hash -840726130, now seen corresponding path program 7 times [2018-11-10 04:37:31,642 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 04:37:31,642 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 04:37:31,642 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:31,642 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-10 04:37:31,643 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:31,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:37:31,736 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 0 proven. 217 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:37:31,737 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 04:37:31,737 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c2488afa-d67b-41e5-8187-c927e13824bc/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 [2018-11-10 04:37:31,749 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:37:31,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:37:31,766 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 04:37:31,772 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 0 proven. 217 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:37:31,800 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 04:37:31,800 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 9 [2018-11-10 04:37:31,800 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-10 04:37:31,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-10 04:37:31,801 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2018-11-10 04:37:31,801 INFO L87 Difference]: Start difference. First operand 20289 states and 28180 transitions. Second operand 10 states. [2018-11-10 04:37:32,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:37:32,273 INFO L93 Difference]: Finished difference Result 28015 states and 39542 transitions. [2018-11-10 04:37:32,274 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-10 04:37:32,274 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 68 [2018-11-10 04:37:32,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:37:32,307 INFO L225 Difference]: With dead ends: 28015 [2018-11-10 04:37:32,307 INFO L226 Difference]: Without dead ends: 28013 [2018-11-10 04:37:32,402 INFO L605 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 [2018-11-10 04:37:32,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28013 states. [2018-11-10 04:37:32,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28013 to 23851. [2018-11-10 04:37:32,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23851 states. [2018-11-10 04:37:32,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23851 states to 23851 states and 33013 transitions. [2018-11-10 04:37:32,798 INFO L78 Accepts]: Start accepts. Automaton has 23851 states and 33013 transitions. Word has length 68 [2018-11-10 04:37:32,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:37:32,799 INFO L481 AbstractCegarLoop]: Abstraction has 23851 states and 33013 transitions. [2018-11-10 04:37:32,799 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-10 04:37:32,799 INFO L276 IsEmpty]: Start isEmpty. Operand 23851 states and 33013 transitions. [2018-11-10 04:37:32,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-11-10 04:37:32,800 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:37:32,800 INFO L375 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 6, 1, 1, 1, 1, 1, 1] [2018-11-10 04:37:32,801 INFO L424 AbstractCegarLoop]: === Iteration 29 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 04:37:32,801 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:37:32,801 INFO L82 PathProgramCache]: Analyzing trace with hash -1096613876, now seen corresponding path program 5 times [2018-11-10 04:37:32,801 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 04:37:32,801 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 04:37:32,802 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:32,802 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:37:32,802 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:32,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:37:32,877 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 0 proven. 189 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:37:32,877 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 04:37:32,877 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c2488afa-d67b-41e5-8187-c927e13824bc/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 [2018-11-10 04:37:32,897 INFO L103 rtionOrderModulation]: Keeping assertion order INSIDE_LOOP_FIRST1 [2018-11-10 04:37:32,913 INFO L249 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2018-11-10 04:37:32,913 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-10 04:37:32,914 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 04:37:32,921 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 0 proven. 189 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:37:32,939 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 04:37:32,939 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 8 [2018-11-10 04:37:32,939 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-10 04:37:32,940 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-10 04:37:32,940 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2018-11-10 04:37:32,940 INFO L87 Difference]: Start difference. First operand 23851 states and 33013 transitions. Second operand 9 states. [2018-11-10 04:37:33,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:37:33,358 INFO L93 Difference]: Finished difference Result 35167 states and 49144 transitions. [2018-11-10 04:37:33,358 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-10 04:37:33,358 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 68 [2018-11-10 04:37:33,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:37:33,388 INFO L225 Difference]: With dead ends: 35167 [2018-11-10 04:37:33,388 INFO L226 Difference]: Without dead ends: 35166 [2018-11-10 04:37:33,395 INFO L605 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 [2018-11-10 04:37:33,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35166 states. [2018-11-10 04:37:33,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35166 to 25341. [2018-11-10 04:37:33,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25341 states. [2018-11-10 04:37:34,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25341 states to 25341 states and 35098 transitions. [2018-11-10 04:37:34,006 INFO L78 Accepts]: Start accepts. Automaton has 25341 states and 35098 transitions. Word has length 68 [2018-11-10 04:37:34,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:37:34,006 INFO L481 AbstractCegarLoop]: Abstraction has 25341 states and 35098 transitions. [2018-11-10 04:37:34,006 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-10 04:37:34,006 INFO L276 IsEmpty]: Start isEmpty. Operand 25341 states and 35098 transitions. [2018-11-10 04:37:34,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-11-10 04:37:34,008 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:37:34,008 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 1, 1, 1, 1, 1, 1] [2018-11-10 04:37:34,009 INFO L424 AbstractCegarLoop]: === Iteration 30 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 04:37:34,009 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:37:34,009 INFO L82 PathProgramCache]: Analyzing trace with hash 1181636900, now seen corresponding path program 4 times [2018-11-10 04:37:34,009 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 04:37:34,009 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 04:37:34,010 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:34,010 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-10 04:37:34,010 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:34,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:37:34,071 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 0 proven. 165 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:37:34,072 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 04:37:34,072 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c2488afa-d67b-41e5-8187-c927e13824bc/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 [2018-11-10 04:37:34,080 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-11-10 04:37:34,092 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-11-10 04:37:34,092 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-10 04:37:34,094 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 04:37:34,104 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 0 proven. 165 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:37:34,122 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 04:37:34,122 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2018-11-10 04:37:34,122 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-10 04:37:34,122 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-10 04:37:34,122 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2018-11-10 04:37:34,123 INFO L87 Difference]: Start difference. First operand 25341 states and 35098 transitions. Second operand 8 states. [2018-11-10 04:37:34,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:37:34,576 INFO L93 Difference]: Finished difference Result 35917 states and 50266 transitions. [2018-11-10 04:37:34,576 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-10 04:37:34,576 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 71 [2018-11-10 04:37:34,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:37:34,607 INFO L225 Difference]: With dead ends: 35917 [2018-11-10 04:37:34,607 INFO L226 Difference]: Without dead ends: 35916 [2018-11-10 04:37:34,614 INFO L605 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 [2018-11-10 04:37:34,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35916 states. [2018-11-10 04:37:35,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35916 to 27007. [2018-11-10 04:37:35,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27007 states. [2018-11-10 04:37:35,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27007 states to 27007 states and 37422 transitions. [2018-11-10 04:37:35,148 INFO L78 Accepts]: Start accepts. Automaton has 27007 states and 37422 transitions. Word has length 71 [2018-11-10 04:37:35,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:37:35,148 INFO L481 AbstractCegarLoop]: Abstraction has 27007 states and 37422 transitions. [2018-11-10 04:37:35,148 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-10 04:37:35,148 INFO L276 IsEmpty]: Start isEmpty. Operand 27007 states and 37422 transitions. [2018-11-10 04:37:35,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-11-10 04:37:35,151 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:37:35,151 INFO L375 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 1, 1, 1, 1, 1, 1] [2018-11-10 04:37:35,152 INFO L424 AbstractCegarLoop]: === Iteration 31 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 04:37:35,152 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:37:35,152 INFO L82 PathProgramCache]: Analyzing trace with hash 1637723374, now seen corresponding path program 6 times [2018-11-10 04:37:35,152 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 04:37:35,152 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 04:37:35,153 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:35,153 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-10 04:37:35,153 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:35,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:37:35,220 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 0 proven. 204 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:37:35,220 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 04:37:35,221 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c2488afa-d67b-41e5-8187-c927e13824bc/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 [2018-11-10 04:37:35,231 INFO L103 rtionOrderModulation]: Keeping assertion order MIX_INSIDE_OUTSIDE [2018-11-10 04:37:35,247 INFO L249 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2018-11-10 04:37:35,247 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-10 04:37:35,249 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 04:37:35,260 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 0 proven. 204 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:37:35,288 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 04:37:35,288 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 8 [2018-11-10 04:37:35,288 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-10 04:37:35,288 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-10 04:37:35,288 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2018-11-10 04:37:35,288 INFO L87 Difference]: Start difference. First operand 27007 states and 37422 transitions. Second operand 9 states. [2018-11-10 04:37:36,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:37:36,002 INFO L93 Difference]: Finished difference Result 38471 states and 54211 transitions. [2018-11-10 04:37:36,003 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-10 04:37:36,003 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 74 [2018-11-10 04:37:36,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:37:36,036 INFO L225 Difference]: With dead ends: 38471 [2018-11-10 04:37:36,036 INFO L226 Difference]: Without dead ends: 38469 [2018-11-10 04:37:36,043 INFO L605 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 [2018-11-10 04:37:36,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38469 states. [2018-11-10 04:37:36,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38469 to 32634. [2018-11-10 04:37:36,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32634 states. [2018-11-10 04:37:36,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32634 states to 32634 states and 45046 transitions. [2018-11-10 04:37:36,687 INFO L78 Accepts]: Start accepts. Automaton has 32634 states and 45046 transitions. Word has length 74 [2018-11-10 04:37:36,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:37:36,687 INFO L481 AbstractCegarLoop]: Abstraction has 32634 states and 45046 transitions. [2018-11-10 04:37:36,687 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-10 04:37:36,688 INFO L276 IsEmpty]: Start isEmpty. Operand 32634 states and 45046 transitions. [2018-11-10 04:37:36,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-11-10 04:37:36,691 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:37:36,691 INFO L375 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 8, 8, 1, 1, 1, 1, 1, 1] [2018-11-10 04:37:36,691 INFO L424 AbstractCegarLoop]: === Iteration 32 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 04:37:36,691 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:37:36,691 INFO L82 PathProgramCache]: Analyzing trace with hash -920314303, now seen corresponding path program 8 times [2018-11-10 04:37:36,691 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 04:37:36,692 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 04:37:36,692 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:36,692 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-10 04:37:36,692 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:36,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:37:36,765 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 0 proven. 280 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:37:36,766 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 04:37:36,766 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c2488afa-d67b-41e5-8187-c927e13824bc/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 [2018-11-10 04:37:36,772 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-11-10 04:37:36,786 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-11-10 04:37:36,786 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-10 04:37:36,788 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 04:37:36,793 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 0 proven. 280 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:37:36,811 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 04:37:36,811 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 10 [2018-11-10 04:37:36,811 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-10 04:37:36,811 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-10 04:37:36,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2018-11-10 04:37:36,812 INFO L87 Difference]: Start difference. First operand 32634 states and 45046 transitions. Second operand 11 states. [2018-11-10 04:37:37,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:37:37,488 INFO L93 Difference]: Finished difference Result 43991 states and 61696 transitions. [2018-11-10 04:37:37,488 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-10 04:37:37,488 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 76 [2018-11-10 04:37:37,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:37:37,526 INFO L225 Difference]: With dead ends: 43991 [2018-11-10 04:37:37,526 INFO L226 Difference]: Without dead ends: 43989 [2018-11-10 04:37:37,532 INFO L605 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 [2018-11-10 04:37:37,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43989 states. [2018-11-10 04:37:38,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43989 to 37888. [2018-11-10 04:37:38,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37888 states. [2018-11-10 04:37:38,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37888 states to 37888 states and 52141 transitions. [2018-11-10 04:37:38,244 INFO L78 Accepts]: Start accepts. Automaton has 37888 states and 52141 transitions. Word has length 76 [2018-11-10 04:37:38,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:37:38,244 INFO L481 AbstractCegarLoop]: Abstraction has 37888 states and 52141 transitions. [2018-11-10 04:37:38,244 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-10 04:37:38,244 INFO L276 IsEmpty]: Start isEmpty. Operand 37888 states and 52141 transitions. [2018-11-10 04:37:38,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-11-10 04:37:38,247 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:37:38,248 INFO L375 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 7, 1, 1, 1, 1, 1, 1] [2018-11-10 04:37:38,248 INFO L424 AbstractCegarLoop]: === Iteration 33 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 04:37:38,248 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:37:38,248 INFO L82 PathProgramCache]: Analyzing trace with hash 792505092, now seen corresponding path program 6 times [2018-11-10 04:37:38,248 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 04:37:38,248 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 04:37:38,249 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:38,249 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-10 04:37:38,249 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:38,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:37:38,327 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 252 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:37:38,327 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 04:37:38,327 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c2488afa-d67b-41e5-8187-c927e13824bc/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 [2018-11-10 04:37:38,352 INFO L103 rtionOrderModulation]: Keeping assertion order MIX_INSIDE_OUTSIDE [2018-11-10 04:37:38,373 INFO L249 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2018-11-10 04:37:38,373 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-10 04:37:38,374 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 04:37:38,386 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 252 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:37:38,406 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 04:37:38,407 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 9 [2018-11-10 04:37:38,407 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-10 04:37:38,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-10 04:37:38,407 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2018-11-10 04:37:38,407 INFO L87 Difference]: Start difference. First operand 37888 states and 52141 transitions. Second operand 10 states. [2018-11-10 04:37:39,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:37:39,172 INFO L93 Difference]: Finished difference Result 54536 states and 75804 transitions. [2018-11-10 04:37:39,173 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-10 04:37:39,173 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 77 [2018-11-10 04:37:39,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:37:39,225 INFO L225 Difference]: With dead ends: 54536 [2018-11-10 04:37:39,226 INFO L226 Difference]: Without dead ends: 54535 [2018-11-10 04:37:39,235 INFO L605 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 [2018-11-10 04:37:39,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54535 states. [2018-11-10 04:37:40,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54535 to 39807. [2018-11-10 04:37:40,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39807 states. [2018-11-10 04:37:40,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39807 states to 39807 states and 54817 transitions. [2018-11-10 04:37:40,255 INFO L78 Accepts]: Start accepts. Automaton has 39807 states and 54817 transitions. Word has length 77 [2018-11-10 04:37:40,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:37:40,256 INFO L481 AbstractCegarLoop]: Abstraction has 39807 states and 54817 transitions. [2018-11-10 04:37:40,256 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-10 04:37:40,256 INFO L276 IsEmpty]: Start isEmpty. Operand 39807 states and 54817 transitions. [2018-11-10 04:37:40,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-11-10 04:37:40,259 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:37:40,259 INFO L375 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 1, 1, 1, 1, 1, 1] [2018-11-10 04:37:40,259 INFO L424 AbstractCegarLoop]: === Iteration 34 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 04:37:40,259 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:37:40,259 INFO L82 PathProgramCache]: Analyzing trace with hash 160642741, now seen corresponding path program 5 times [2018-11-10 04:37:40,259 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 04:37:40,260 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 04:37:40,260 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:40,260 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-10 04:37:40,260 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:40,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:37:40,344 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:37:40,344 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 04:37:40,344 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c2488afa-d67b-41e5-8187-c927e13824bc/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 [2018-11-10 04:37:40,355 INFO L103 rtionOrderModulation]: Keeping assertion order INSIDE_LOOP_FIRST1 [2018-11-10 04:37:40,390 INFO L249 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2018-11-10 04:37:40,391 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-10 04:37:40,392 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 04:37:40,400 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:37:40,420 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 04:37:40,420 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 8 [2018-11-10 04:37:40,420 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-10 04:37:40,420 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-10 04:37:40,421 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2018-11-10 04:37:40,421 INFO L87 Difference]: Start difference. First operand 39807 states and 54817 transitions. Second operand 9 states. [2018-11-10 04:37:41,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:37:41,210 INFO L93 Difference]: Finished difference Result 54859 states and 76349 transitions. [2018-11-10 04:37:41,210 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-10 04:37:41,210 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 82 [2018-11-10 04:37:41,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:37:41,284 INFO L225 Difference]: With dead ends: 54859 [2018-11-10 04:37:41,284 INFO L226 Difference]: Without dead ends: 54858 [2018-11-10 04:37:41,301 INFO L605 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 [2018-11-10 04:37:41,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54858 states. [2018-11-10 04:37:42,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54858 to 41839. [2018-11-10 04:37:42,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41839 states. [2018-11-10 04:37:42,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41839 states to 41839 states and 57645 transitions. [2018-11-10 04:37:42,326 INFO L78 Accepts]: Start accepts. Automaton has 41839 states and 57645 transitions. Word has length 82 [2018-11-10 04:37:42,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:37:42,326 INFO L481 AbstractCegarLoop]: Abstraction has 41839 states and 57645 transitions. [2018-11-10 04:37:42,326 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-10 04:37:42,326 INFO L276 IsEmpty]: Start isEmpty. Operand 41839 states and 57645 transitions. [2018-11-10 04:37:42,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-11-10 04:37:42,330 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:37:42,330 INFO L375 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 9, 9, 1, 1, 1, 1, 1, 1] [2018-11-10 04:37:42,330 INFO L424 AbstractCegarLoop]: === Iteration 35 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 04:37:42,330 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:37:42,330 INFO L82 PathProgramCache]: Analyzing trace with hash 795627508, now seen corresponding path program 9 times [2018-11-10 04:37:42,330 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 04:37:42,330 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 04:37:42,331 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:42,331 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-10 04:37:42,331 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:42,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:37:42,442 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:37:42,442 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 04:37:42,442 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c2488afa-d67b-41e5-8187-c927e13824bc/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 [2018-11-10 04:37:42,453 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-11-10 04:37:42,475 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2018-11-10 04:37:42,475 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-10 04:37:42,477 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 04:37:42,488 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:37:42,517 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 04:37:42,517 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 11 [2018-11-10 04:37:42,517 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-10 04:37:42,517 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-10 04:37:42,518 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2018-11-10 04:37:42,518 INFO L87 Difference]: Start difference. First operand 41839 states and 57645 transitions. Second operand 12 states. [2018-11-10 04:37:43,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:37:43,336 INFO L93 Difference]: Finished difference Result 55263 states and 77324 transitions. [2018-11-10 04:37:43,337 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-10 04:37:43,337 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 84 [2018-11-10 04:37:43,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:37:43,389 INFO L225 Difference]: With dead ends: 55263 [2018-11-10 04:37:43,389 INFO L226 Difference]: Without dead ends: 55261 [2018-11-10 04:37:43,399 INFO L605 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 [2018-11-10 04:37:43,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55261 states. [2018-11-10 04:37:44,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55261 to 48062. [2018-11-10 04:37:44,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48062 states. [2018-11-10 04:37:44,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48062 states to 48062 states and 66044 transitions. [2018-11-10 04:37:44,353 INFO L78 Accepts]: Start accepts. Automaton has 48062 states and 66044 transitions. Word has length 84 [2018-11-10 04:37:44,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:37:44,353 INFO L481 AbstractCegarLoop]: Abstraction has 48062 states and 66044 transitions. [2018-11-10 04:37:44,353 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-10 04:37:44,353 INFO L276 IsEmpty]: Start isEmpty. Operand 48062 states and 66044 transitions. [2018-11-10 04:37:44,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-11-10 04:37:44,356 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:37:44,356 INFO L375 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 1, 1, 1, 1, 1, 1] [2018-11-10 04:37:44,357 INFO L424 AbstractCegarLoop]: === Iteration 36 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 04:37:44,357 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:37:44,357 INFO L82 PathProgramCache]: Analyzing trace with hash 250668440, now seen corresponding path program 7 times [2018-11-10 04:37:44,357 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 04:37:44,357 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 04:37:44,358 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:44,358 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-10 04:37:44,358 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:44,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:37:44,425 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 0 proven. 273 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:37:44,425 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 04:37:44,425 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c2488afa-d67b-41e5-8187-c927e13824bc/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 [2018-11-10 04:37:44,435 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:37:44,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:37:44,449 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 04:37:44,456 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 0 proven. 273 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:37:44,483 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 04:37:44,484 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 9 [2018-11-10 04:37:44,484 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-10 04:37:44,484 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-10 04:37:44,484 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2018-11-10 04:37:44,484 INFO L87 Difference]: Start difference. First operand 48062 states and 66044 transitions. Second operand 10 states. [2018-11-10 04:37:45,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:37:45,615 INFO L93 Difference]: Finished difference Result 66587 states and 93042 transitions. [2018-11-10 04:37:45,616 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-10 04:37:45,616 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 84 [2018-11-10 04:37:45,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:37:45,672 INFO L225 Difference]: With dead ends: 66587 [2018-11-10 04:37:45,672 INFO L226 Difference]: Without dead ends: 66585 [2018-11-10 04:37:45,677 INFO L605 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 [2018-11-10 04:37:45,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66585 states. [2018-11-10 04:37:46,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66585 to 57114. [2018-11-10 04:37:46,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57114 states. [2018-11-10 04:37:46,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57114 states to 57114 states and 78223 transitions. [2018-11-10 04:37:46,835 INFO L78 Accepts]: Start accepts. Automaton has 57114 states and 78223 transitions. Word has length 84 [2018-11-10 04:37:46,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:37:46,836 INFO L481 AbstractCegarLoop]: Abstraction has 57114 states and 78223 transitions. [2018-11-10 04:37:46,836 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-10 04:37:46,836 INFO L276 IsEmpty]: Start isEmpty. Operand 57114 states and 78223 transitions. [2018-11-10 04:37:46,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-11-10 04:37:46,840 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:37:46,841 INFO L375 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 8, 1, 1, 1, 1, 1, 1] [2018-11-10 04:37:46,841 INFO L424 AbstractCegarLoop]: === Iteration 37 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 04:37:46,841 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:37:46,841 INFO L82 PathProgramCache]: Analyzing trace with hash -955787508, now seen corresponding path program 7 times [2018-11-10 04:37:46,841 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 04:37:46,841 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 04:37:46,842 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:46,842 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:37:46,842 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:46,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:37:46,905 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 0 proven. 324 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:37:46,906 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 04:37:46,906 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c2488afa-d67b-41e5-8187-c927e13824bc/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 [2018-11-10 04:37:46,912 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:37:46,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:37:46,925 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 04:37:46,935 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 0 proven. 324 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:37:46,953 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 04:37:46,954 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 10 [2018-11-10 04:37:46,954 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-10 04:37:46,954 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-10 04:37:46,954 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2018-11-10 04:37:46,954 INFO L87 Difference]: Start difference. First operand 57114 states and 78223 transitions. Second operand 11 states. [2018-11-10 04:37:47,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:37:47,940 INFO L93 Difference]: Finished difference Result 80500 states and 111382 transitions. [2018-11-10 04:37:47,940 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-10 04:37:47,940 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 86 [2018-11-10 04:37:47,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:37:48,020 INFO L225 Difference]: With dead ends: 80500 [2018-11-10 04:37:48,020 INFO L226 Difference]: Without dead ends: 80499 [2018-11-10 04:37:48,034 INFO L605 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 [2018-11-10 04:37:48,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80499 states. [2018-11-10 04:37:49,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80499 to 59511. [2018-11-10 04:37:49,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59511 states. [2018-11-10 04:37:49,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59511 states to 59511 states and 81556 transitions. [2018-11-10 04:37:49,488 INFO L78 Accepts]: Start accepts. Automaton has 59511 states and 81556 transitions. Word has length 86 [2018-11-10 04:37:49,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:37:49,489 INFO L481 AbstractCegarLoop]: Abstraction has 59511 states and 81556 transitions. [2018-11-10 04:37:49,489 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-10 04:37:49,489 INFO L276 IsEmpty]: Start isEmpty. Operand 59511 states and 81556 transitions. [2018-11-10 04:37:49,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-11-10 04:37:49,494 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:37:49,494 INFO L375 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 10, 10, 1, 1, 1, 1, 1, 1] [2018-11-10 04:37:49,494 INFO L424 AbstractCegarLoop]: === Iteration 38 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 04:37:49,494 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:37:49,494 INFO L82 PathProgramCache]: Analyzing trace with hash 600579751, now seen corresponding path program 10 times [2018-11-10 04:37:49,494 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 04:37:49,494 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 04:37:49,495 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:49,495 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:37:49,495 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:49,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:37:49,590 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 0 proven. 430 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:37:49,591 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 04:37:49,591 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c2488afa-d67b-41e5-8187-c927e13824bc/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 [2018-11-10 04:37:49,600 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-11-10 04:37:49,618 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-11-10 04:37:49,618 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-10 04:37:49,620 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 04:37:49,821 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 430 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:37:49,839 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-10 04:37:49,839 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [12] total 24 [2018-11-10 04:37:49,840 INFO L460 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-11-10 04:37:49,840 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-11-10 04:37:49,840 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=397, Unknown=0, NotChecked=0, Total=552 [2018-11-10 04:37:49,840 INFO L87 Difference]: Start difference. First operand 59511 states and 81556 transitions. Second operand 24 states. [2018-11-10 04:37:51,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:37:51,571 INFO L93 Difference]: Finished difference Result 80319 states and 108676 transitions. [2018-11-10 04:37:51,571 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2018-11-10 04:37:51,572 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 92 [2018-11-10 04:37:51,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:37:51,573 INFO L225 Difference]: With dead ends: 80319 [2018-11-10 04:37:51,573 INFO L226 Difference]: Without dead ends: 1490 [2018-11-10 04:37:51,619 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2362 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=2234, Invalid=5776, Unknown=0, NotChecked=0, Total=8010 [2018-11-10 04:37:51,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1490 states. [2018-11-10 04:37:51,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1490 to 638. [2018-11-10 04:37:51,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 638 states. [2018-11-10 04:37:51,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 638 states and 753 transitions. [2018-11-10 04:37:51,641 INFO L78 Accepts]: Start accepts. Automaton has 638 states and 753 transitions. Word has length 92 [2018-11-10 04:37:51,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:37:51,641 INFO L481 AbstractCegarLoop]: Abstraction has 638 states and 753 transitions. [2018-11-10 04:37:51,641 INFO L482 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-11-10 04:37:51,641 INFO L276 IsEmpty]: Start isEmpty. Operand 638 states and 753 transitions. [2018-11-10 04:37:51,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-10 04:37:51,642 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:37:51,642 INFO L375 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 1, 1, 1, 1, 1, 1] [2018-11-10 04:37:51,642 INFO L424 AbstractCegarLoop]: === Iteration 39 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 04:37:51,642 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:37:51,642 INFO L82 PathProgramCache]: Analyzing trace with hash 1599136900, now seen corresponding path program 6 times [2018-11-10 04:37:51,642 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 04:37:51,643 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 04:37:51,643 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:51,643 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-10 04:37:51,643 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:51,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:37:51,718 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 0 proven. 308 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:37:51,718 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 04:37:51,718 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c2488afa-d67b-41e5-8187-c927e13824bc/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 [2018-11-10 04:37:51,724 INFO L103 rtionOrderModulation]: Keeping assertion order MIX_INSIDE_OUTSIDE [2018-11-10 04:37:51,740 INFO L249 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2018-11-10 04:37:51,740 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-10 04:37:51,741 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 04:37:51,750 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 0 proven. 308 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:37:51,766 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 04:37:51,766 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 9 [2018-11-10 04:37:51,766 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-10 04:37:51,766 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-10 04:37:51,766 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2018-11-10 04:37:51,767 INFO L87 Difference]: Start difference. First operand 638 states and 753 transitions. Second operand 10 states. [2018-11-10 04:37:51,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:37:51,816 INFO L93 Difference]: Finished difference Result 719 states and 846 transitions. [2018-11-10 04:37:51,816 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-10 04:37:51,817 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 93 [2018-11-10 04:37:51,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:37:51,817 INFO L225 Difference]: With dead ends: 719 [2018-11-10 04:37:51,817 INFO L226 Difference]: Without dead ends: 545 [2018-11-10 04:37:51,818 INFO L605 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 [2018-11-10 04:37:51,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 545 states. [2018-11-10 04:37:51,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 545 to 532. [2018-11-10 04:37:51,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 532 states. [2018-11-10 04:37:51,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 532 states and 607 transitions. [2018-11-10 04:37:51,833 INFO L78 Accepts]: Start accepts. Automaton has 532 states and 607 transitions. Word has length 93 [2018-11-10 04:37:51,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:37:51,833 INFO L481 AbstractCegarLoop]: Abstraction has 532 states and 607 transitions. [2018-11-10 04:37:51,833 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-10 04:37:51,833 INFO L276 IsEmpty]: Start isEmpty. Operand 532 states and 607 transitions. [2018-11-10 04:37:51,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-11-10 04:37:51,834 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:37:51,834 INFO L375 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 1, 1, 1, 1, 1, 1] [2018-11-10 04:37:51,834 INFO L424 AbstractCegarLoop]: === Iteration 40 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 04:37:51,834 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:37:51,834 INFO L82 PathProgramCache]: Analyzing trace with hash 1467797954, now seen corresponding path program 8 times [2018-11-10 04:37:51,834 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 04:37:51,835 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 04:37:51,835 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:51,835 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-10 04:37:51,835 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:51,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:37:51,901 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 0 proven. 352 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:37:51,901 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 04:37:51,901 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c2488afa-d67b-41e5-8187-c927e13824bc/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 [2018-11-10 04:37:51,906 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-11-10 04:37:51,919 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-11-10 04:37:51,919 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-10 04:37:51,920 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 04:37:51,926 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 0 proven. 352 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:37:51,941 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 04:37:51,942 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 10 [2018-11-10 04:37:51,942 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-10 04:37:51,942 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-10 04:37:51,942 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2018-11-10 04:37:51,942 INFO L87 Difference]: Start difference. First operand 532 states and 607 transitions. Second operand 11 states. [2018-11-10 04:37:51,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:37:51,978 INFO L93 Difference]: Finished difference Result 570 states and 645 transitions. [2018-11-10 04:37:51,978 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-10 04:37:51,978 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 94 [2018-11-10 04:37:51,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:37:51,979 INFO L225 Difference]: With dead ends: 570 [2018-11-10 04:37:51,979 INFO L226 Difference]: Without dead ends: 433 [2018-11-10 04:37:51,979 INFO L605 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 [2018-11-10 04:37:51,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 433 states. [2018-11-10 04:37:51,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 433 to 419. [2018-11-10 04:37:51,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 419 states. [2018-11-10 04:37:51,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 457 transitions. [2018-11-10 04:37:51,989 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 457 transitions. Word has length 94 [2018-11-10 04:37:51,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:37:51,989 INFO L481 AbstractCegarLoop]: Abstraction has 419 states and 457 transitions. [2018-11-10 04:37:51,990 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-10 04:37:51,990 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 457 transitions. [2018-11-10 04:37:51,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-11-10 04:37:51,990 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:37:51,990 INFO L375 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 9, 1, 1, 1, 1, 1, 1] [2018-11-10 04:37:51,990 INFO L424 AbstractCegarLoop]: === Iteration 41 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 04:37:51,990 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:37:51,991 INFO L82 PathProgramCache]: Analyzing trace with hash 89764868, now seen corresponding path program 8 times [2018-11-10 04:37:51,991 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 04:37:51,991 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 04:37:51,991 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:51,991 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-10 04:37:51,991 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:51,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:37:52,103 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 0 proven. 405 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:37:52,103 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 04:37:52,103 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c2488afa-d67b-41e5-8187-c927e13824bc/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 [2018-11-10 04:37:52,109 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-11-10 04:37:52,123 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-11-10 04:37:52,123 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-10 04:37:52,125 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 04:37:52,138 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 0 proven. 405 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:37:52,154 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 04:37:52,154 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 11 [2018-11-10 04:37:52,154 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-10 04:37:52,154 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-10 04:37:52,154 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2018-11-10 04:37:52,155 INFO L87 Difference]: Start difference. First operand 419 states and 457 transitions. Second operand 12 states. [2018-11-10 04:37:52,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:37:52,183 INFO L93 Difference]: Finished difference Result 512 states and 549 transitions. [2018-11-10 04:37:52,183 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-10 04:37:52,183 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 95 [2018-11-10 04:37:52,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:37:52,184 INFO L225 Difference]: With dead ends: 512 [2018-11-10 04:37:52,184 INFO L226 Difference]: Without dead ends: 437 [2018-11-10 04:37:52,184 INFO L605 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 [2018-11-10 04:37:52,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437 states. [2018-11-10 04:37:52,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 337. [2018-11-10 04:37:52,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 337 states. [2018-11-10 04:37:52,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 375 transitions. [2018-11-10 04:37:52,194 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 375 transitions. Word has length 95 [2018-11-10 04:37:52,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:37:52,194 INFO L481 AbstractCegarLoop]: Abstraction has 337 states and 375 transitions. [2018-11-10 04:37:52,194 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-10 04:37:52,194 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 375 transitions. [2018-11-10 04:37:52,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-10 04:37:52,195 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:37:52,195 INFO L375 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 1, 1, 1, 1, 1, 1] [2018-11-10 04:37:52,195 INFO L424 AbstractCegarLoop]: === Iteration 42 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 04:37:52,195 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:37:52,195 INFO L82 PathProgramCache]: Analyzing trace with hash 1188679509, now seen corresponding path program 7 times [2018-11-10 04:37:52,196 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 04:37:52,196 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 04:37:52,196 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:52,196 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-10 04:37:52,196 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:52,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:37:52,281 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 0 proven. 396 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:37:52,281 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 04:37:52,281 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c2488afa-d67b-41e5-8187-c927e13824bc/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 [2018-11-10 04:37:52,287 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:37:52,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:37:52,301 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 04:37:52,317 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 0 proven. 396 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:37:52,333 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 04:37:52,333 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 10 [2018-11-10 04:37:52,333 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-10 04:37:52,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-10 04:37:52,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2018-11-10 04:37:52,333 INFO L87 Difference]: Start difference. First operand 337 states and 375 transitions. Second operand 11 states. [2018-11-10 04:37:52,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:37:52,366 INFO L93 Difference]: Finished difference Result 360 states and 397 transitions. [2018-11-10 04:37:52,366 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-10 04:37:52,366 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 104 [2018-11-10 04:37:52,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:37:52,367 INFO L225 Difference]: With dead ends: 360 [2018-11-10 04:37:52,367 INFO L226 Difference]: Without dead ends: 211 [2018-11-10 04:37:52,367 INFO L605 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 [2018-11-10 04:37:52,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2018-11-10 04:37:52,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 211. [2018-11-10 04:37:52,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 211 states. [2018-11-10 04:37:52,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 210 transitions. [2018-11-10 04:37:52,373 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 210 transitions. Word has length 104 [2018-11-10 04:37:52,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:37:52,373 INFO L481 AbstractCegarLoop]: Abstraction has 211 states and 210 transitions. [2018-11-10 04:37:52,373 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-10 04:37:52,373 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 210 transitions. [2018-11-10 04:37:52,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-10 04:37:52,374 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:37:52,374 INFO L375 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 1, 1, 1, 1, 1, 1] [2018-11-10 04:37:52,374 INFO L424 AbstractCegarLoop]: === Iteration 43 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 04:37:52,374 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:37:52,374 INFO L82 PathProgramCache]: Analyzing trace with hash -258535060, now seen corresponding path program 9 times [2018-11-10 04:37:52,375 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 04:37:52,375 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 04:37:52,375 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:52,375 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:37:52,375 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:52,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:37:52,434 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 0 proven. 441 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:37:52,434 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 04:37:52,434 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c2488afa-d67b-41e5-8187-c927e13824bc/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 [2018-11-10 04:37:52,440 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-11-10 04:37:52,456 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2018-11-10 04:37:52,456 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-10 04:37:52,458 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 04:37:52,474 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 0 proven. 441 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:37:52,489 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 04:37:52,490 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 11 [2018-11-10 04:37:52,490 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-10 04:37:52,490 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-10 04:37:52,490 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2018-11-10 04:37:52,490 INFO L87 Difference]: Start difference. First operand 211 states and 210 transitions. Second operand 12 states. [2018-11-10 04:37:52,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:37:52,512 INFO L93 Difference]: Finished difference Result 211 states and 210 transitions. [2018-11-10 04:37:52,512 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-10 04:37:52,512 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 104 [2018-11-10 04:37:52,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:37:52,513 INFO L225 Difference]: With dead ends: 211 [2018-11-10 04:37:52,513 INFO L226 Difference]: Without dead ends: 116 [2018-11-10 04:37:52,513 INFO L605 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 [2018-11-10 04:37:52,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2018-11-10 04:37:52,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2018-11-10 04:37:52,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2018-11-10 04:37:52,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 115 transitions. [2018-11-10 04:37:52,517 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 115 transitions. Word has length 104 [2018-11-10 04:37:52,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:37:52,517 INFO L481 AbstractCegarLoop]: Abstraction has 116 states and 115 transitions. [2018-11-10 04:37:52,517 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-10 04:37:52,518 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 115 transitions. [2018-11-10 04:37:52,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-11-10 04:37:52,518 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:37:52,518 INFO L375 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 1, 1, 1, 1, 1, 1] [2018-11-10 04:37:52,518 INFO L424 AbstractCegarLoop]: === Iteration 44 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 04:37:52,518 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:37:52,518 INFO L82 PathProgramCache]: Analyzing trace with hash -2088589340, now seen corresponding path program 8 times [2018-11-10 04:37:52,518 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 04:37:52,519 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 04:37:52,519 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:52,519 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-10 04:37:52,519 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:52,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:37:52,613 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 0 proven. 495 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:37:52,613 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 04:37:52,613 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c2488afa-d67b-41e5-8187-c927e13824bc/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 [2018-11-10 04:37:52,622 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-11-10 04:37:52,646 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-11-10 04:37:52,646 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-10 04:37:52,648 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 04:37:52,668 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 0 proven. 495 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:37:52,685 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 04:37:52,685 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 11 [2018-11-10 04:37:52,685 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-10 04:37:52,686 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-10 04:37:52,686 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2018-11-10 04:37:52,686 INFO L87 Difference]: Start difference. First operand 116 states and 115 transitions. Second operand 12 states. [2018-11-10 04:37:52,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:37:52,707 INFO L93 Difference]: Finished difference Result 116 states and 115 transitions. [2018-11-10 04:37:52,708 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-10 04:37:52,708 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 115 [2018-11-10 04:37:52,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:37:52,708 INFO L225 Difference]: With dead ends: 116 [2018-11-10 04:37:52,708 INFO L226 Difference]: Without dead ends: 0 [2018-11-10 04:37:52,708 INFO L605 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 [2018-11-10 04:37:52,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-10 04:37:52,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-10 04:37:52,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-10 04:37:52,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-10 04:37:52,709 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 115 [2018-11-10 04:37:52,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:37:52,709 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 04:37:52,709 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-10 04:37:52,709 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-10 04:37:52,709 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 04:37:52,712 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-10 04:37:53,359 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 04:37:53,435 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 04:37:53,487 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 04:37:53,563 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 04:37:53,585 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 04:37:53,600 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 04:37:53,645 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 04:37:53,814 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 04:37:53,897 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 04:37:54,114 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 04:37:54,119 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 04:37:54,239 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 04:37:54,321 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 04:37:54,739 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 04:37:55,338 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 04:37:55,349 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 04:37:55,531 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 04:37:55,564 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 04:37:55,784 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 04:37:56,205 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 04:37:56,540 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 04:37:56,601 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 04:37:57,412 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 04:37:58,319 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 04:37:58,506 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 04:37:59,004 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 04:37:59,055 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 04:37:59,418 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 04:37:59,671 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 04:38:00,034 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 04:38:01,758 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 04:38:01,987 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 04:38:02,145 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 04:38:03,280 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 04:38:03,470 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 04:38:03,616 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 04:38:05,537 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 04:38:05,650 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 04:38:05,653 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 04:38:05,845 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 04:38:05,925 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 04:38:06,139 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 04:38:06,304 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 04:38:06,424 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 04:38:06,533 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 04:38:06,696 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 04:38:07,209 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 04:38:07,684 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 04:38:07,705 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 04:38:07,820 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 04:38:08,060 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 04:38:08,094 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 04:38:08,231 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 04:38:08,642 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 04:38:08,995 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 04:38:08,996 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 04:38:09,740 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 04:38:10,104 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 04:38:11,413 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 04:38:11,664 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 04:38:11,723 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 04:38:12,630 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 04:38:13,848 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 04:38:16,376 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 04:38:16,545 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 04:38:17,009 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 04:38:19,850 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 04:38:20,505 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 04:38:21,521 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 04:38:24,764 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 04:38:25,090 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 04:38:25,421 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 04:38:26,586 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 04:38:26,635 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 04:38:26,857 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 04:38:28,887 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 04:38:28,887 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 04:38:28,887 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 04:38:30,417 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 04:38:30,892 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 04:38:32,673 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 04:38:32,704 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 04:38:33,495 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 04:38:33,773 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 04:38:34,377 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 04:38:34,629 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 04:38:34,959 WARN L179 SmtUtils]: Spent 42.23 s on a formula simplification. DAG size of input: 4621 DAG size of output: 2642 [2018-11-10 04:39:30,011 WARN L179 SmtUtils]: Spent 55.00 s on a formula simplification. DAG size of input: 2240 DAG size of output: 379 [2018-11-10 04:39:30,015 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-11-10 04:39:30,015 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-10 04:39:30,015 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-10 04:39:30,015 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-10 04:39:30,015 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-10 04:39:30,015 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-10 04:39:30,015 INFO L425 ceAbstractionStarter]: For program point L27(lines 27 31) no Hoare annotation was computed. [2018-11-10 04:39:30,015 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 13 35) no Hoare annotation was computed. [2018-11-10 04:39:30,015 INFO L425 ceAbstractionStarter]: For program point L23(lines 23 31) no Hoare annotation was computed. [2018-11-10 04:39:30,016 INFO L425 ceAbstractionStarter]: For program point L19-1(lines 19 33) no Hoare annotation was computed. [2018-11-10 04:39:30,016 INFO L425 ceAbstractionStarter]: For program point mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 30) no Hoare annotation was computed. [2018-11-10 04:39:30,016 INFO L425 ceAbstractionStarter]: For program point L19-3(lines 19 33) no Hoare annotation was computed. [2018-11-10 04:39:30,016 INFO L425 ceAbstractionStarter]: For program point mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 26) no Hoare annotation was computed. [2018-11-10 04:39:30,016 INFO L425 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-11-10 04:39:30,016 INFO L425 ceAbstractionStarter]: For program point L28-1(line 28) no Hoare annotation was computed. [2018-11-10 04:39:30,016 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 20) no Hoare annotation was computed. [2018-11-10 04:39:30,016 INFO L425 ceAbstractionStarter]: For program point L24(line 24) no Hoare annotation was computed. [2018-11-10 04:39:30,016 INFO L425 ceAbstractionStarter]: For program point L24-1(line 24) no Hoare annotation was computed. [2018-11-10 04:39:30,016 INFO L425 ceAbstractionStarter]: For program point L20(line 20) no Hoare annotation was computed. [2018-11-10 04:39:30,016 INFO L425 ceAbstractionStarter]: For program point L20-1(line 20) no Hoare annotation was computed. [2018-11-10 04:39:30,016 INFO L425 ceAbstractionStarter]: For program point mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 30) no Hoare annotation was computed. [2018-11-10 04:39:30,016 INFO L425 ceAbstractionStarter]: For program point mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 26) no Hoare annotation was computed. [2018-11-10 04:39:30,017 INFO L425 ceAbstractionStarter]: For program point mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 24) no Hoare annotation was computed. [2018-11-10 04:39:30,017 INFO L425 ceAbstractionStarter]: For program point L29(lines 29 31) no Hoare annotation was computed. [2018-11-10 04:39:30,017 INFO L425 ceAbstractionStarter]: For program point L25(lines 25 31) no Hoare annotation was computed. [2018-11-10 04:39:30,017 INFO L425 ceAbstractionStarter]: For program point mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 20) no Hoare annotation was computed. [2018-11-10 04:39:30,017 INFO L425 ceAbstractionStarter]: For program point mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2018-11-10 04:39:30,017 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 13 35) no Hoare annotation was computed. [2018-11-10 04:39:30,017 INFO L425 ceAbstractionStarter]: For program point L30(line 30) no Hoare annotation was computed. [2018-11-10 04:39:30,017 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 13 35) the Hoare annotation is: true [2018-11-10 04:39:30,017 INFO L425 ceAbstractionStarter]: For program point L30-1(line 30) no Hoare annotation was computed. [2018-11-10 04:39:30,017 INFO L425 ceAbstractionStarter]: For program point mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 24) no Hoare annotation was computed. [2018-11-10 04:39:30,017 INFO L425 ceAbstractionStarter]: For program point L26(line 26) no Hoare annotation was computed. [2018-11-10 04:39:30,017 INFO L425 ceAbstractionStarter]: For program point L26-1(line 26) no Hoare annotation was computed. [2018-11-10 04:39:30,017 INFO L425 ceAbstractionStarter]: For program point L22(lines 22 32) no Hoare annotation was computed. [2018-11-10 04:39:30,019 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))))) [2018-11-10 04:39:30,019 INFO L425 ceAbstractionStarter]: For program point mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2018-11-10 04:39:30,058 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 04:39:30 BoogieIcfgContainer [2018-11-10 04:39:30,058 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 04:39:30,058 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 04:39:30,058 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 04:39:30,059 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 04:39:30,059 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:37:23" (3/4) ... [2018-11-10 04:39:30,062 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 04:39:30,067 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-10 04:39:30,068 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-10 04:39:30,071 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-11-10 04:39:30,071 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-10 04:39:30,071 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-10 04:39:30,071 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-10 04:39:30,118 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_c2488afa-d67b-41e5-8187-c927e13824bc/bin-2019/uautomizer/witness.graphml [2018-11-10 04:39:30,118 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 04:39:30,119 INFO L168 Benchmark]: Toolchain (without parser) took 127257.94 ms. Allocated memory was 1.0 GB in the beginning and 3.6 GB in the end (delta: 2.6 GB). Free memory was 959.1 MB in the beginning and 2.0 GB in the end (delta: -1.0 GB). Peak memory consumption was 1.5 GB. Max. memory is 11.5 GB. [2018-11-10 04:39:30,119 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 04:39:30,120 INFO L168 Benchmark]: CACSL2BoogieTranslator took 153.32 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 948.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 04:39:30,120 INFO L168 Benchmark]: Boogie Preprocessor took 16.66 ms. Allocated memory is still 1.0 GB. Free memory is still 948.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 04:39:30,120 INFO L168 Benchmark]: RCFGBuilder took 191.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.3 MB). Free memory was 948.4 MB in the beginning and 1.1 GB in the end (delta: -163.2 MB). Peak memory consumption was 22.3 MB. Max. memory is 11.5 GB. [2018-11-10 04:39:30,120 INFO L168 Benchmark]: TraceAbstraction took 126833.28 ms. Allocated memory was 1.2 GB in the beginning and 3.6 GB in the end (delta: 2.5 GB). Free memory was 1.1 GB in the beginning and 2.0 GB in the end (delta: -893.4 MB). Peak memory consumption was 4.4 GB. Max. memory is 11.5 GB. [2018-11-10 04:39:30,120 INFO L168 Benchmark]: Witness Printer took 59.88 ms. Allocated memory is still 3.6 GB. Free memory is still 2.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 04:39:30,122 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 153.32 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 948.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 16.66 ms. Allocated memory is still 1.0 GB. Free memory is still 948.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 191.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.3 MB). Free memory was 948.4 MB in the beginning and 1.1 GB in the end (delta: -163.2 MB). Peak memory consumption was 22.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 126833.28 ms. Allocated memory was 1.2 GB in the beginning and 3.6 GB in the end (delta: 2.5 GB). Free memory was 1.1 GB in the beginning and 2.0 GB in the end (delta: -893.4 MB). Peak memory consumption was 4.4 GB. Max. memory is 11.5 GB. * Witness Printer took 59.88 ms. Allocated memory is still 3.6 GB. Free memory is still 2.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 20]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 26]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 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: 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: 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 - PositiveResult [Line: 30]: 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, 126.7s OverallTime, 44 OverallIterations, 11 TraceHistogramMax, 13.0s AutomataDifference, 0.0s DeadEndRemovalTime, 97.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 1338 SDtfs, 6547 SDslu, 5841 SDs, 0 SdLazy, 1774 SolverSat, 1019 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2627 GetRequests, 2308 SyntacticMatches, 0 SemanticMatches, 319 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2365 ImplicationChecksByTransitivity, 2.4s 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: 11.3s AutomataMinimizationTime, 44 MinimizatonAttempts, 134917 StatesRemovedByMinimization, 40 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 5 PreInvPairs, 1771 NumberOfFragments, 5696 HoareAnnotationTreeSize, 5 FomulaSimplifications, 618286 FormulaSimplificationTreeSizeReduction, 42.2s HoareSimplificationTime, 5 FomulaSimplificationsInter, 91469 FormulaSimplificationTreeSizeReductionInter, 55.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 2.6s 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...