./Ultimate.py --spec ../../sv-benchmarks/c/NoOverflows.prp --file ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-random2d_true-termination_true-no-overflow.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_4fcd39f0-1647-4737-bcf3-df5eb065c5f2/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_4fcd39f0-1647-4737-bcf3-df5eb065c5f2/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_4fcd39f0-1647-4737-bcf3-df5eb065c5f2/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_4fcd39f0-1647-4737-bcf3-df5eb065c5f2/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-random2d_true-termination_true-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_4fcd39f0-1647-4737-bcf3-df5eb065c5f2/bin-2019/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_4fcd39f0-1647-4737-bcf3-df5eb065c5f2/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 932d0be5444dce6d8d9a378b61966d0cdf64a5cb ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 11:05:35,167 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 11:05:35,168 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 11:05:35,176 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 11:05:35,176 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 11:05:35,177 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 11:05:35,177 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 11:05:35,179 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 11:05:35,180 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 11:05:35,180 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 11:05:35,181 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 11:05:35,181 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 11:05:35,182 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 11:05:35,182 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 11:05:35,183 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 11:05:35,184 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 11:05:35,184 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 11:05:35,185 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 11:05:35,187 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 11:05:35,188 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 11:05:35,188 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 11:05:35,189 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 11:05:35,190 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 11:05:35,190 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 11:05:35,190 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 11:05:35,191 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 11:05:35,191 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 11:05:35,191 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 11:05:35,192 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 11:05:35,192 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 11:05:35,192 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 11:05:35,193 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 11:05:35,193 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 11:05:35,193 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 11:05:35,194 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 11:05:35,194 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 11:05:35,195 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_4fcd39f0-1647-4737-bcf3-df5eb065c5f2/bin-2019/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf [2018-11-10 11:05:35,202 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 11:05:35,202 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 11:05:35,203 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 11:05:35,203 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 11:05:35,203 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 11:05:35,203 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 11:05:35,204 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 11:05:35,204 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 11:05:35,204 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-10 11:05:35,204 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 11:05:35,204 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 11:05:35,204 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 11:05:35,204 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 11:05:35,204 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 11:05:35,205 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-11-10 11:05:35,205 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 11:05:35,205 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 11:05:35,205 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 11:05:35,205 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 11:05:35,205 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 11:05:35,205 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 11:05:35,205 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 11:05:35,206 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 11:05:35,206 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 11:05:35,206 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 11:05:35,206 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-10 11:05:35,206 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 11:05:35,206 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 11:05:35,206 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_4fcd39f0-1647-4737-bcf3-df5eb065c5f2/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 932d0be5444dce6d8d9a378b61966d0cdf64a5cb [2018-11-10 11:05:35,229 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 11:05:35,239 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 11:05:35,242 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 11:05:35,243 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 11:05:35,243 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 11:05:35,244 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_4fcd39f0-1647-4737-bcf3-df5eb065c5f2/bin-2019/uautomizer/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-random2d_true-termination_true-no-overflow.c [2018-11-10 11:05:35,281 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4fcd39f0-1647-4737-bcf3-df5eb065c5f2/bin-2019/uautomizer/data/08e83cc33/c930919663124c4d8205f8047f729c9e/FLAG64acfddaa [2018-11-10 11:05:35,622 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 11:05:35,622 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_4fcd39f0-1647-4737-bcf3-df5eb065c5f2/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-random2d_true-termination_true-no-overflow.c [2018-11-10 11:05:35,628 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4fcd39f0-1647-4737-bcf3-df5eb065c5f2/bin-2019/uautomizer/data/08e83cc33/c930919663124c4d8205f8047f729c9e/FLAG64acfddaa [2018-11-10 11:05:35,639 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_4fcd39f0-1647-4737-bcf3-df5eb065c5f2/bin-2019/uautomizer/data/08e83cc33/c930919663124c4d8205f8047f729c9e [2018-11-10 11:05:35,642 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 11:05:35,643 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-10 11:05:35,644 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 11:05:35,644 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 11:05:35,647 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 11:05:35,647 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:05:35" (1/1) ... [2018-11-10 11:05:35,649 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@680a2912 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:05:35, skipping insertion in model container [2018-11-10 11:05:35,649 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:05:35" (1/1) ... [2018-11-10 11:05:35,656 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 11:05:35,668 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 11:05:35,773 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 11:05:35,776 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 11:05:35,787 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 11:05:35,796 INFO L193 MainTranslator]: Completed translation [2018-11-10 11:05:35,797 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:05:35 WrapperNode [2018-11-10 11:05:35,797 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 11:05:35,797 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 11:05:35,797 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 11:05:35,797 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 11:05:35,806 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:05:35" (1/1) ... [2018-11-10 11:05:35,806 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:05:35" (1/1) ... [2018-11-10 11:05:35,810 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:05:35" (1/1) ... [2018-11-10 11:05:35,810 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:05:35" (1/1) ... [2018-11-10 11:05:35,812 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:05:35" (1/1) ... [2018-11-10 11:05:35,817 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:05:35" (1/1) ... [2018-11-10 11:05:35,818 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:05:35" (1/1) ... [2018-11-10 11:05:35,819 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 11:05:35,819 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 11:05:35,819 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 11:05:35,819 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 11:05:35,820 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:05:35" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4fcd39f0-1647-4737-bcf3-df5eb065c5f2/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 11:05:35,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 11:05:35,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 11:05:35,899 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 11:05:35,899 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-10 11:05:35,899 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 11:05:35,899 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 11:05:35,899 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 11:05:36,024 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 11:05:36,025 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 11:05:36 BoogieIcfgContainer [2018-11-10 11:05:36,025 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 11:05:36,026 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 11:05:36,026 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 11:05:36,029 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 11:05:36,029 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 11:05:35" (1/3) ... [2018-11-10 11:05:36,030 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31723046 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 11:05:36, skipping insertion in model container [2018-11-10 11:05:36,030 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:05:35" (2/3) ... [2018-11-10 11:05:36,030 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31723046 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 11:05:36, skipping insertion in model container [2018-11-10 11:05:36,030 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 11:05:36" (3/3) ... [2018-11-10 11:05:36,032 INFO L112 eAbstractionObserver]: Analyzing ICFG AliasDarteFeautrierGonnord-SAS2010-random2d_true-termination_true-no-overflow.c [2018-11-10 11:05:36,041 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 11:05:36,047 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 10 error locations. [2018-11-10 11:05:36,057 INFO L257 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2018-11-10 11:05:36,075 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 11:05:36,075 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 11:05:36,075 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 11:05:36,075 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 11:05:36,076 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 11:05:36,076 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 11:05:36,076 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 11:05:36,076 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 11:05:36,076 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 11:05:36,091 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states. [2018-11-10 11:05:36,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-10 11:05:36,096 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 11:05:36,097 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 11:05:36,099 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 11:05:36,105 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:05:36,105 INFO L82 PathProgramCache]: Analyzing trace with hash 1007353508, now seen corresponding path program 1 times [2018-11-10 11:05:36,107 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 11:05:36,107 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 11:05:36,144 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:05:36,144 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:05:36,144 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:05:36,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:05:36,201 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 11:05:36,203 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 11:05:36,203 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 11:05:36,206 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 11:05:36,214 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 11:05:36,215 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 11:05:36,216 INFO L87 Difference]: Start difference. First operand 37 states. Second operand 3 states. [2018-11-10 11:05:36,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 11:05:36,254 INFO L93 Difference]: Finished difference Result 50 states and 58 transitions. [2018-11-10 11:05:36,254 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 11:05:36,255 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2018-11-10 11:05:36,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 11:05:36,263 INFO L225 Difference]: With dead ends: 50 [2018-11-10 11:05:36,263 INFO L226 Difference]: Without dead ends: 36 [2018-11-10 11:05:36,265 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 11:05:36,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2018-11-10 11:05:36,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 35. [2018-11-10 11:05:36,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2018-11-10 11:05:36,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 40 transitions. [2018-11-10 11:05:36,289 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 40 transitions. Word has length 8 [2018-11-10 11:05:36,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 11:05:36,290 INFO L481 AbstractCegarLoop]: Abstraction has 35 states and 40 transitions. [2018-11-10 11:05:36,290 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 11:05:36,290 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 40 transitions. [2018-11-10 11:05:36,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-10 11:05:36,290 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 11:05:36,290 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 11:05:36,291 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 11:05:36,291 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:05:36,291 INFO L82 PathProgramCache]: Analyzing trace with hash 1163187724, now seen corresponding path program 1 times [2018-11-10 11:05:36,291 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 11:05:36,291 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 11:05:36,292 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:05:36,293 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:05:36,293 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:05:36,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:05:36,312 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 11:05:36,312 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 11:05:36,312 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 11:05:36,313 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 11:05:36,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 11:05:36,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 11:05:36,314 INFO L87 Difference]: Start difference. First operand 35 states and 40 transitions. Second operand 3 states. [2018-11-10 11:05:36,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 11:05:36,327 INFO L93 Difference]: Finished difference Result 35 states and 40 transitions. [2018-11-10 11:05:36,328 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 11:05:36,328 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2018-11-10 11:05:36,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 11:05:36,329 INFO L225 Difference]: With dead ends: 35 [2018-11-10 11:05:36,329 INFO L226 Difference]: Without dead ends: 34 [2018-11-10 11:05:36,329 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 11:05:36,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2018-11-10 11:05:36,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2018-11-10 11:05:36,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2018-11-10 11:05:36,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 39 transitions. [2018-11-10 11:05:36,334 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 39 transitions. Word has length 9 [2018-11-10 11:05:36,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 11:05:36,334 INFO L481 AbstractCegarLoop]: Abstraction has 34 states and 39 transitions. [2018-11-10 11:05:36,334 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 11:05:36,334 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 39 transitions. [2018-11-10 11:05:36,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-10 11:05:36,335 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 11:05:36,335 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 11:05:36,335 INFO L424 AbstractCegarLoop]: === Iteration 3 === [mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 11:05:36,335 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:05:36,336 INFO L82 PathProgramCache]: Analyzing trace with hash 729392297, now seen corresponding path program 1 times [2018-11-10 11:05:36,336 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 11:05:36,336 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 11:05:36,340 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:05:36,340 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:05:36,340 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:05:36,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:05:36,364 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 11:05:36,364 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 11:05:36,365 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 11:05:36,365 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 11:05:36,365 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 11:05:36,365 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 11:05:36,365 INFO L87 Difference]: Start difference. First operand 34 states and 39 transitions. Second operand 3 states. [2018-11-10 11:05:36,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 11:05:36,392 INFO L93 Difference]: Finished difference Result 58 states and 70 transitions. [2018-11-10 11:05:36,392 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 11:05:36,392 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2018-11-10 11:05:36,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 11:05:36,393 INFO L225 Difference]: With dead ends: 58 [2018-11-10 11:05:36,393 INFO L226 Difference]: Without dead ends: 56 [2018-11-10 11:05:36,393 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 11:05:36,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2018-11-10 11:05:36,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 50. [2018-11-10 11:05:36,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-11-10 11:05:36,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 66 transitions. [2018-11-10 11:05:36,397 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 66 transitions. Word has length 12 [2018-11-10 11:05:36,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 11:05:36,398 INFO L481 AbstractCegarLoop]: Abstraction has 50 states and 66 transitions. [2018-11-10 11:05:36,398 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 11:05:36,398 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 66 transitions. [2018-11-10 11:05:36,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-10 11:05:36,398 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 11:05:36,398 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 11:05:36,399 INFO L424 AbstractCegarLoop]: === Iteration 4 === [mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 11:05:36,399 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:05:36,399 INFO L82 PathProgramCache]: Analyzing trace with hash 1136324785, now seen corresponding path program 1 times [2018-11-10 11:05:36,399 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 11:05:36,399 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 11:05:36,400 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:05:36,400 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:05:36,400 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:05:36,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:05:36,416 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 11:05:36,417 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 11:05:36,417 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 11:05:36,417 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 11:05:36,417 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 11:05:36,417 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 11:05:36,417 INFO L87 Difference]: Start difference. First operand 50 states and 66 transitions. Second operand 3 states. [2018-11-10 11:05:36,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 11:05:36,453 INFO L93 Difference]: Finished difference Result 90 states and 124 transitions. [2018-11-10 11:05:36,453 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 11:05:36,453 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2018-11-10 11:05:36,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 11:05:36,454 INFO L225 Difference]: With dead ends: 90 [2018-11-10 11:05:36,454 INFO L226 Difference]: Without dead ends: 88 [2018-11-10 11:05:36,454 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 11:05:36,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2018-11-10 11:05:36,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 83. [2018-11-10 11:05:36,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2018-11-10 11:05:36,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 121 transitions. [2018-11-10 11:05:36,459 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 121 transitions. Word has length 13 [2018-11-10 11:05:36,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 11:05:36,459 INFO L481 AbstractCegarLoop]: Abstraction has 83 states and 121 transitions. [2018-11-10 11:05:36,459 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 11:05:36,459 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 121 transitions. [2018-11-10 11:05:36,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-10 11:05:36,460 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 11:05:36,460 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 11:05:36,460 INFO L424 AbstractCegarLoop]: === Iteration 5 === [mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 11:05:36,460 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:05:36,460 INFO L82 PathProgramCache]: Analyzing trace with hash 1137470874, now seen corresponding path program 1 times [2018-11-10 11:05:36,460 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 11:05:36,460 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 11:05:36,461 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:05:36,461 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:05:36,461 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:05:36,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:05:36,485 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 11:05:36,485 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 11:05:36,485 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4fcd39f0-1647-4737-bcf3-df5eb065c5f2/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 11:05:36,492 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:05:36,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:05:36,504 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 11:05:36,538 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 11:05:36,555 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 11:05:36,555 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2018-11-10 11:05:36,555 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-10 11:05:36,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 11:05:36,556 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-10 11:05:36,556 INFO L87 Difference]: Start difference. First operand 83 states and 121 transitions. Second operand 6 states. [2018-11-10 11:05:36,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 11:05:36,627 INFO L93 Difference]: Finished difference Result 167 states and 236 transitions. [2018-11-10 11:05:36,627 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-10 11:05:36,628 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 13 [2018-11-10 11:05:36,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 11:05:36,629 INFO L225 Difference]: With dead ends: 167 [2018-11-10 11:05:36,629 INFO L226 Difference]: Without dead ends: 166 [2018-11-10 11:05:36,629 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 11:05:36,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2018-11-10 11:05:36,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 79. [2018-11-10 11:05:36,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2018-11-10 11:05:36,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 114 transitions. [2018-11-10 11:05:36,638 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 114 transitions. Word has length 13 [2018-11-10 11:05:36,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 11:05:36,639 INFO L481 AbstractCegarLoop]: Abstraction has 79 states and 114 transitions. [2018-11-10 11:05:36,639 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-10 11:05:36,639 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 114 transitions. [2018-11-10 11:05:36,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-10 11:05:36,639 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 11:05:36,639 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 11:05:36,640 INFO L424 AbstractCegarLoop]: === Iteration 6 === [mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 11:05:36,640 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:05:36,640 INFO L82 PathProgramCache]: Analyzing trace with hash 866521714, now seen corresponding path program 1 times [2018-11-10 11:05:36,640 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 11:05:36,640 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 11:05:36,642 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:05:36,642 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:05:36,642 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:05:36,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:05:36,659 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 11:05:36,659 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 11:05:36,659 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 11:05:36,659 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 11:05:36,659 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 11:05:36,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 11:05:36,660 INFO L87 Difference]: Start difference. First operand 79 states and 114 transitions. Second operand 3 states. [2018-11-10 11:05:36,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 11:05:36,684 INFO L93 Difference]: Finished difference Result 151 states and 223 transitions. [2018-11-10 11:05:36,685 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 11:05:36,685 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14 [2018-11-10 11:05:36,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 11:05:36,686 INFO L225 Difference]: With dead ends: 151 [2018-11-10 11:05:36,686 INFO L226 Difference]: Without dead ends: 149 [2018-11-10 11:05:36,686 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 11:05:36,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2018-11-10 11:05:36,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 141. [2018-11-10 11:05:36,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2018-11-10 11:05:36,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 207 transitions. [2018-11-10 11:05:36,698 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 207 transitions. Word has length 14 [2018-11-10 11:05:36,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 11:05:36,698 INFO L481 AbstractCegarLoop]: Abstraction has 141 states and 207 transitions. [2018-11-10 11:05:36,698 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 11:05:36,698 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 207 transitions. [2018-11-10 11:05:36,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-10 11:05:36,699 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 11:05:36,699 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 11:05:36,699 INFO L424 AbstractCegarLoop]: === Iteration 7 === [mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 11:05:36,700 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:05:36,700 INFO L82 PathProgramCache]: Analyzing trace with hash 1092369434, now seen corresponding path program 1 times [2018-11-10 11:05:36,700 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 11:05:36,700 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 11:05:36,701 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:05:36,701 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:05:36,701 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:05:36,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:05:36,728 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 11:05:36,728 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 11:05:36,728 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 11:05:36,728 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 11:05:36,728 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 11:05:36,728 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 11:05:36,729 INFO L87 Difference]: Start difference. First operand 141 states and 207 transitions. Second operand 3 states. [2018-11-10 11:05:36,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 11:05:36,752 INFO L93 Difference]: Finished difference Result 275 states and 409 transitions. [2018-11-10 11:05:36,753 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 11:05:36,753 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 15 [2018-11-10 11:05:36,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 11:05:36,754 INFO L225 Difference]: With dead ends: 275 [2018-11-10 11:05:36,754 INFO L226 Difference]: Without dead ends: 273 [2018-11-10 11:05:36,754 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 11:05:36,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2018-11-10 11:05:36,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 269. [2018-11-10 11:05:36,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 269 states. [2018-11-10 11:05:36,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 397 transitions. [2018-11-10 11:05:36,768 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 397 transitions. Word has length 15 [2018-11-10 11:05:36,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 11:05:36,768 INFO L481 AbstractCegarLoop]: Abstraction has 269 states and 397 transitions. [2018-11-10 11:05:36,768 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 11:05:36,768 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 397 transitions. [2018-11-10 11:05:36,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-10 11:05:36,769 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 11:05:36,769 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 11:05:36,769 INFO L424 AbstractCegarLoop]: === Iteration 8 === [mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 11:05:36,769 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:05:36,770 INFO L82 PathProgramCache]: Analyzing trace with hash 195554908, now seen corresponding path program 1 times [2018-11-10 11:05:36,770 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 11:05:36,770 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 11:05:36,771 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:05:36,771 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:05:36,771 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:05:36,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:05:36,821 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 11:05:36,821 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 11:05:36,822 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4fcd39f0-1647-4737-bcf3-df5eb065c5f2/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 11:05:36,829 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:05:36,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:05:36,838 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 11:05:36,840 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 11:05:36,856 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 11:05:36,857 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2018-11-10 11:05:36,857 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-10 11:05:36,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-10 11:05:36,857 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-10 11:05:36,857 INFO L87 Difference]: Start difference. First operand 269 states and 397 transitions. Second operand 4 states. [2018-11-10 11:05:36,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 11:05:36,898 INFO L93 Difference]: Finished difference Result 481 states and 720 transitions. [2018-11-10 11:05:36,898 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-10 11:05:36,899 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2018-11-10 11:05:36,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 11:05:36,900 INFO L225 Difference]: With dead ends: 481 [2018-11-10 11:05:36,900 INFO L226 Difference]: Without dead ends: 479 [2018-11-10 11:05:36,901 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 11:05:36,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 479 states. [2018-11-10 11:05:36,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 479 to 385. [2018-11-10 11:05:36,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 385 states. [2018-11-10 11:05:36,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 385 states and 571 transitions. [2018-11-10 11:05:36,917 INFO L78 Accepts]: Start accepts. Automaton has 385 states and 571 transitions. Word has length 20 [2018-11-10 11:05:36,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 11:05:36,917 INFO L481 AbstractCegarLoop]: Abstraction has 385 states and 571 transitions. [2018-11-10 11:05:36,917 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-10 11:05:36,917 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 571 transitions. [2018-11-10 11:05:36,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-10 11:05:36,918 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 11:05:36,918 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 11:05:36,918 INFO L424 AbstractCegarLoop]: === Iteration 9 === [mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 11:05:36,918 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:05:36,918 INFO L82 PathProgramCache]: Analyzing trace with hash -1628808007, now seen corresponding path program 1 times [2018-11-10 11:05:36,919 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 11:05:36,919 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 11:05:36,920 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:05:36,920 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:05:36,920 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:05:36,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:05:36,940 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 11:05:36,940 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 11:05:36,940 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4fcd39f0-1647-4737-bcf3-df5eb065c5f2/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 11:05:36,952 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:05:36,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:05:36,960 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 11:05:36,974 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 11:05:37,000 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-10 11:05:37,000 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2018-11-10 11:05:37,001 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-10 11:05:37,001 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-10 11:05:37,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-11-10 11:05:37,001 INFO L87 Difference]: Start difference. First operand 385 states and 571 transitions. Second operand 5 states. [2018-11-10 11:05:37,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 11:05:37,039 INFO L93 Difference]: Finished difference Result 654 states and 983 transitions. [2018-11-10 11:05:37,039 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-10 11:05:37,039 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2018-11-10 11:05:37,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 11:05:37,041 INFO L225 Difference]: With dead ends: 654 [2018-11-10 11:05:37,041 INFO L226 Difference]: Without dead ends: 652 [2018-11-10 11:05:37,042 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 11:05:37,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 652 states. [2018-11-10 11:05:37,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 652 to 500. [2018-11-10 11:05:37,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 500 states. [2018-11-10 11:05:37,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 500 states and 737 transitions. [2018-11-10 11:05:37,057 INFO L78 Accepts]: Start accepts. Automaton has 500 states and 737 transitions. Word has length 22 [2018-11-10 11:05:37,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 11:05:37,057 INFO L481 AbstractCegarLoop]: Abstraction has 500 states and 737 transitions. [2018-11-10 11:05:37,057 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-10 11:05:37,057 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 737 transitions. [2018-11-10 11:05:37,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-10 11:05:37,058 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 11:05:37,058 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 11:05:37,058 INFO L424 AbstractCegarLoop]: === Iteration 10 === [mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 11:05:37,059 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:05:37,059 INFO L82 PathProgramCache]: Analyzing trace with hash -143968740, now seen corresponding path program 1 times [2018-11-10 11:05:37,059 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 11:05:37,059 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 11:05:37,060 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:05:37,060 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:05:37,060 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:05:37,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:05:37,084 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 11:05:37,085 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 11:05:37,085 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4fcd39f0-1647-4737-bcf3-df5eb065c5f2/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 11:05:37,096 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:05:37,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:05:37,105 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 11:05:37,108 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 11:05:37,124 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 11:05:37,124 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2018-11-10 11:05:37,124 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-10 11:05:37,125 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-10 11:05:37,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-10 11:05:37,125 INFO L87 Difference]: Start difference. First operand 500 states and 737 transitions. Second operand 4 states. [2018-11-10 11:05:37,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 11:05:37,190 INFO L93 Difference]: Finished difference Result 894 states and 1344 transitions. [2018-11-10 11:05:37,191 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-10 11:05:37,191 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24 [2018-11-10 11:05:37,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 11:05:37,194 INFO L225 Difference]: With dead ends: 894 [2018-11-10 11:05:37,194 INFO L226 Difference]: Without dead ends: 892 [2018-11-10 11:05:37,195 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 11:05:37,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 892 states. [2018-11-10 11:05:37,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 892 to 720. [2018-11-10 11:05:37,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 720 states. [2018-11-10 11:05:37,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 720 states to 720 states and 1059 transitions. [2018-11-10 11:05:37,223 INFO L78 Accepts]: Start accepts. Automaton has 720 states and 1059 transitions. Word has length 24 [2018-11-10 11:05:37,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 11:05:37,223 INFO L481 AbstractCegarLoop]: Abstraction has 720 states and 1059 transitions. [2018-11-10 11:05:37,223 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-10 11:05:37,223 INFO L276 IsEmpty]: Start isEmpty. Operand 720 states and 1059 transitions. [2018-11-10 11:05:37,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-10 11:05:37,224 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 11:05:37,224 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 11:05:37,225 INFO L424 AbstractCegarLoop]: === Iteration 11 === [mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 11:05:37,225 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:05:37,225 INFO L82 PathProgramCache]: Analyzing trace with hash -981204821, now seen corresponding path program 1 times [2018-11-10 11:05:37,225 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 11:05:37,225 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 11:05:37,226 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:05:37,226 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:05:37,228 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:05:37,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:05:37,263 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 11:05:37,263 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 11:05:37,263 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4fcd39f0-1647-4737-bcf3-df5eb065c5f2/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 11:05:37,278 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:05:37,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:05:37,287 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 11:05:37,296 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 11:05:37,324 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-10 11:05:37,324 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2018-11-10 11:05:37,324 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-10 11:05:37,324 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-10 11:05:37,325 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-11-10 11:05:37,325 INFO L87 Difference]: Start difference. First operand 720 states and 1059 transitions. Second operand 5 states. [2018-11-10 11:05:37,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 11:05:37,404 INFO L93 Difference]: Finished difference Result 1223 states and 1831 transitions. [2018-11-10 11:05:37,404 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-10 11:05:37,404 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2018-11-10 11:05:37,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 11:05:37,409 INFO L225 Difference]: With dead ends: 1223 [2018-11-10 11:05:37,409 INFO L226 Difference]: Without dead ends: 1221 [2018-11-10 11:05:37,410 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 11:05:37,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1221 states. [2018-11-10 11:05:37,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1221 to 939. [2018-11-10 11:05:37,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 939 states. [2018-11-10 11:05:37,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 939 states to 939 states and 1365 transitions. [2018-11-10 11:05:37,447 INFO L78 Accepts]: Start accepts. Automaton has 939 states and 1365 transitions. Word has length 26 [2018-11-10 11:05:37,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 11:05:37,447 INFO L481 AbstractCegarLoop]: Abstraction has 939 states and 1365 transitions. [2018-11-10 11:05:37,447 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-10 11:05:37,448 INFO L276 IsEmpty]: Start isEmpty. Operand 939 states and 1365 transitions. [2018-11-10 11:05:37,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-10 11:05:37,449 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 11:05:37,449 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1] [2018-11-10 11:05:37,449 INFO L424 AbstractCegarLoop]: === Iteration 12 === [mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 11:05:37,449 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:05:37,450 INFO L82 PathProgramCache]: Analyzing trace with hash 223794447, now seen corresponding path program 2 times [2018-11-10 11:05:37,450 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 11:05:37,450 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 11:05:37,451 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:05:37,451 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:05:37,451 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:05:37,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:05:37,491 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 11:05:37,491 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 11:05:37,491 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4fcd39f0-1647-4737-bcf3-df5eb065c5f2/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 11:05:37,502 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-11-10 11:05:37,519 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-11-10 11:05:37,520 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-10 11:05:37,521 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 11:05:37,526 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 11:05:37,553 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 11:05:37,553 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2018-11-10 11:05:37,554 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-10 11:05:37,554 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-10 11:05:37,554 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-11-10 11:05:37,554 INFO L87 Difference]: Start difference. First operand 939 states and 1365 transitions. Second operand 5 states. [2018-11-10 11:05:37,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 11:05:37,647 INFO L93 Difference]: Finished difference Result 1612 states and 2374 transitions. [2018-11-10 11:05:37,647 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-10 11:05:37,648 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 28 [2018-11-10 11:05:37,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 11:05:37,652 INFO L225 Difference]: With dead ends: 1612 [2018-11-10 11:05:37,653 INFO L226 Difference]: Without dead ends: 1610 [2018-11-10 11:05:37,654 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 11:05:37,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1610 states. [2018-11-10 11:05:37,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1610 to 1285. [2018-11-10 11:05:37,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1285 states. [2018-11-10 11:05:37,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1285 states to 1285 states and 1860 transitions. [2018-11-10 11:05:37,700 INFO L78 Accepts]: Start accepts. Automaton has 1285 states and 1860 transitions. Word has length 28 [2018-11-10 11:05:37,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 11:05:37,701 INFO L481 AbstractCegarLoop]: Abstraction has 1285 states and 1860 transitions. [2018-11-10 11:05:37,701 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-10 11:05:37,701 INFO L276 IsEmpty]: Start isEmpty. Operand 1285 states and 1860 transitions. [2018-11-10 11:05:37,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-10 11:05:37,702 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 11:05:37,702 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1] [2018-11-10 11:05:37,702 INFO L424 AbstractCegarLoop]: === Iteration 13 === [mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 11:05:37,703 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:05:37,703 INFO L82 PathProgramCache]: Analyzing trace with hash -849210868, now seen corresponding path program 1 times [2018-11-10 11:05:37,703 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 11:05:37,703 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 11:05:37,704 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:05:37,704 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-10 11:05:37,704 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:05:37,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:05:37,735 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 11:05:37,736 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 11:05:37,736 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4fcd39f0-1647-4737-bcf3-df5eb065c5f2/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 11:05:37,757 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:05:37,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:05:37,768 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 11:05:37,773 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 11:05:37,799 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 11:05:37,799 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2018-11-10 11:05:37,799 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-10 11:05:37,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-10 11:05:37,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-11-10 11:05:37,800 INFO L87 Difference]: Start difference. First operand 1285 states and 1860 transitions. Second operand 5 states. [2018-11-10 11:05:37,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 11:05:37,932 INFO L93 Difference]: Finished difference Result 2091 states and 3042 transitions. [2018-11-10 11:05:37,933 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-10 11:05:37,933 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2018-11-10 11:05:37,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 11:05:37,939 INFO L225 Difference]: With dead ends: 2091 [2018-11-10 11:05:37,939 INFO L226 Difference]: Without dead ends: 2090 [2018-11-10 11:05:37,940 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 11:05:37,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2090 states. [2018-11-10 11:05:37,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2090 to 1537. [2018-11-10 11:05:37,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1537 states. [2018-11-10 11:05:37,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1537 states to 1537 states and 2222 transitions. [2018-11-10 11:05:37,990 INFO L78 Accepts]: Start accepts. Automaton has 1537 states and 2222 transitions. Word has length 32 [2018-11-10 11:05:37,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 11:05:37,990 INFO L481 AbstractCegarLoop]: Abstraction has 1537 states and 2222 transitions. [2018-11-10 11:05:37,990 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-10 11:05:37,990 INFO L276 IsEmpty]: Start isEmpty. Operand 1537 states and 2222 transitions. [2018-11-10 11:05:37,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-10 11:05:37,991 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 11:05:37,991 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1] [2018-11-10 11:05:37,993 INFO L424 AbstractCegarLoop]: === Iteration 14 === [mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 11:05:37,993 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:05:37,993 INFO L82 PathProgramCache]: Analyzing trace with hash -1388360378, now seen corresponding path program 2 times [2018-11-10 11:05:37,993 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 11:05:37,993 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 11:05:37,994 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:05:37,994 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:05:37,994 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:05:37,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:05:38,022 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 11:05:38,023 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 11:05:38,023 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4fcd39f0-1647-4737-bcf3-df5eb065c5f2/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 11:05:38,034 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-11-10 11:05:38,044 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-11-10 11:05:38,044 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-10 11:05:38,045 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 11:05:38,049 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 11:05:38,077 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 11:05:38,077 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2018-11-10 11:05:38,078 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-10 11:05:38,078 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-10 11:05:38,078 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-11-10 11:05:38,079 INFO L87 Difference]: Start difference. First operand 1537 states and 2222 transitions. Second operand 5 states. [2018-11-10 11:05:38,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 11:05:38,161 INFO L93 Difference]: Finished difference Result 2635 states and 3866 transitions. [2018-11-10 11:05:38,162 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-10 11:05:38,162 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2018-11-10 11:05:38,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 11:05:38,169 INFO L225 Difference]: With dead ends: 2635 [2018-11-10 11:05:38,170 INFO L226 Difference]: Without dead ends: 2633 [2018-11-10 11:05:38,171 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 11:05:38,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2633 states. [2018-11-10 11:05:38,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2633 to 2106. [2018-11-10 11:05:38,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2106 states. [2018-11-10 11:05:38,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2106 states to 2106 states and 3029 transitions. [2018-11-10 11:05:38,237 INFO L78 Accepts]: Start accepts. Automaton has 2106 states and 3029 transitions. Word has length 34 [2018-11-10 11:05:38,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 11:05:38,237 INFO L481 AbstractCegarLoop]: Abstraction has 2106 states and 3029 transitions. [2018-11-10 11:05:38,237 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-10 11:05:38,237 INFO L276 IsEmpty]: Start isEmpty. Operand 2106 states and 3029 transitions. [2018-11-10 11:05:38,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-10 11:05:38,238 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 11:05:38,238 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1] [2018-11-10 11:05:38,239 INFO L424 AbstractCegarLoop]: === Iteration 15 === [mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 11:05:38,239 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:05:38,239 INFO L82 PathProgramCache]: Analyzing trace with hash -1466345278, now seen corresponding path program 3 times [2018-11-10 11:05:38,239 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 11:05:38,239 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 11:05:38,240 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:05:38,240 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-10 11:05:38,240 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:05:38,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:05:38,270 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 11:05:38,270 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 11:05:38,270 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4fcd39f0-1647-4737-bcf3-df5eb065c5f2/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 11:05:38,282 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-11-10 11:05:38,301 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2018-11-10 11:05:38,301 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-10 11:05:38,303 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 11:05:38,308 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 11:05:38,336 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 11:05:38,337 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2018-11-10 11:05:38,337 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-10 11:05:38,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 11:05:38,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2018-11-10 11:05:38,337 INFO L87 Difference]: Start difference. First operand 2106 states and 3029 transitions. Second operand 6 states. [2018-11-10 11:05:38,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 11:05:38,469 INFO L93 Difference]: Finished difference Result 3397 states and 4956 transitions. [2018-11-10 11:05:38,470 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-10 11:05:38,470 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 36 [2018-11-10 11:05:38,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 11:05:38,479 INFO L225 Difference]: With dead ends: 3397 [2018-11-10 11:05:38,479 INFO L226 Difference]: Without dead ends: 3395 [2018-11-10 11:05:38,481 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 11:05:38,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3395 states. [2018-11-10 11:05:38,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3395 to 2754. [2018-11-10 11:05:38,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2754 states. [2018-11-10 11:05:38,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2754 states to 2754 states and 3940 transitions. [2018-11-10 11:05:38,571 INFO L78 Accepts]: Start accepts. Automaton has 2754 states and 3940 transitions. Word has length 36 [2018-11-10 11:05:38,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 11:05:38,571 INFO L481 AbstractCegarLoop]: Abstraction has 2754 states and 3940 transitions. [2018-11-10 11:05:38,571 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-10 11:05:38,571 INFO L276 IsEmpty]: Start isEmpty. Operand 2754 states and 3940 transitions. [2018-11-10 11:05:38,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-10 11:05:38,572 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 11:05:38,572 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 11:05:38,572 INFO L424 AbstractCegarLoop]: === Iteration 16 === [mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 11:05:38,573 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:05:38,573 INFO L82 PathProgramCache]: Analyzing trace with hash 1981242741, now seen corresponding path program 1 times [2018-11-10 11:05:38,573 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 11:05:38,573 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 11:05:38,574 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:05:38,574 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-10 11:05:38,574 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:05:38,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:05:38,598 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 11:05:38,599 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 11:05:38,599 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4fcd39f0-1647-4737-bcf3-df5eb065c5f2/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 11:05:38,610 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:05:38,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:05:38,620 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 11:05:38,625 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 11:05:38,651 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 11:05:38,651 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2018-11-10 11:05:38,652 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-10 11:05:38,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-10 11:05:38,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-11-10 11:05:38,652 INFO L87 Difference]: Start difference. First operand 2754 states and 3940 transitions. Second operand 5 states. [2018-11-10 11:05:38,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 11:05:38,774 INFO L93 Difference]: Finished difference Result 4475 states and 6448 transitions. [2018-11-10 11:05:38,775 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-10 11:05:38,775 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 38 [2018-11-10 11:05:38,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 11:05:38,787 INFO L225 Difference]: With dead ends: 4475 [2018-11-10 11:05:38,787 INFO L226 Difference]: Without dead ends: 4474 [2018-11-10 11:05:38,790 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 11:05:38,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4474 states. [2018-11-10 11:05:38,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4474 to 3296. [2018-11-10 11:05:38,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3296 states. [2018-11-10 11:05:38,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3296 states to 3296 states and 4708 transitions. [2018-11-10 11:05:38,932 INFO L78 Accepts]: Start accepts. Automaton has 3296 states and 4708 transitions. Word has length 38 [2018-11-10 11:05:38,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 11:05:38,932 INFO L481 AbstractCegarLoop]: Abstraction has 3296 states and 4708 transitions. [2018-11-10 11:05:38,932 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-10 11:05:38,932 INFO L276 IsEmpty]: Start isEmpty. Operand 3296 states and 4708 transitions. [2018-11-10 11:05:38,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-10 11:05:38,933 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 11:05:38,933 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 1, 1, 1, 1, 1, 1] [2018-11-10 11:05:38,933 INFO L424 AbstractCegarLoop]: === Iteration 17 === [mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 11:05:38,934 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:05:38,934 INFO L82 PathProgramCache]: Analyzing trace with hash 1901189380, now seen corresponding path program 2 times [2018-11-10 11:05:38,934 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 11:05:38,934 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 11:05:38,935 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:05:38,935 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:05:38,935 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:05:38,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:05:39,001 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 11:05:39,002 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 11:05:39,002 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4fcd39f0-1647-4737-bcf3-df5eb065c5f2/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 11:05:39,014 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-11-10 11:05:39,026 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-11-10 11:05:39,026 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-10 11:05:39,028 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 11:05:39,034 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 11:05:39,061 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 11:05:39,062 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2018-11-10 11:05:39,062 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-10 11:05:39,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 11:05:39,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2018-11-10 11:05:39,062 INFO L87 Difference]: Start difference. First operand 3296 states and 4708 transitions. Second operand 6 states. [2018-11-10 11:05:39,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 11:05:39,248 INFO L93 Difference]: Finished difference Result 5056 states and 7276 transitions. [2018-11-10 11:05:39,249 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-10 11:05:39,249 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 41 [2018-11-10 11:05:39,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 11:05:39,261 INFO L225 Difference]: With dead ends: 5056 [2018-11-10 11:05:39,262 INFO L226 Difference]: Without dead ends: 5055 [2018-11-10 11:05:39,264 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 11:05:39,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5055 states. [2018-11-10 11:05:39,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5055 to 3710. [2018-11-10 11:05:39,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3710 states. [2018-11-10 11:05:39,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3710 states to 3710 states and 5298 transitions. [2018-11-10 11:05:39,379 INFO L78 Accepts]: Start accepts. Automaton has 3710 states and 5298 transitions. Word has length 41 [2018-11-10 11:05:39,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 11:05:39,379 INFO L481 AbstractCegarLoop]: Abstraction has 3710 states and 5298 transitions. [2018-11-10 11:05:39,380 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-10 11:05:39,380 INFO L276 IsEmpty]: Start isEmpty. Operand 3710 states and 5298 transitions. [2018-11-10 11:05:39,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-10 11:05:39,381 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 11:05:39,381 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 4, 4, 1, 1, 1, 1, 1, 1] [2018-11-10 11:05:39,381 INFO L424 AbstractCegarLoop]: === Iteration 18 === [mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 11:05:39,381 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:05:39,381 INFO L82 PathProgramCache]: Analyzing trace with hash -1836942987, now seen corresponding path program 4 times [2018-11-10 11:05:39,382 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 11:05:39,382 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 11:05:39,382 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:05:39,382 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-10 11:05:39,383 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:05:39,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:05:39,419 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 11:05:39,419 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 11:05:39,419 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4fcd39f0-1647-4737-bcf3-df5eb065c5f2/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 11:05:39,428 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-11-10 11:05:39,441 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-11-10 11:05:39,441 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-10 11:05:39,442 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 11:05:39,448 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 11:05:39,475 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 11:05:39,475 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2018-11-10 11:05:39,475 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-10 11:05:39,475 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-10 11:05:39,475 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2018-11-10 11:05:39,476 INFO L87 Difference]: Start difference. First operand 3710 states and 5298 transitions. Second operand 7 states. [2018-11-10 11:05:39,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 11:05:39,630 INFO L93 Difference]: Finished difference Result 5694 states and 8252 transitions. [2018-11-10 11:05:39,631 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-10 11:05:39,631 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 44 [2018-11-10 11:05:39,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 11:05:39,647 INFO L225 Difference]: With dead ends: 5694 [2018-11-10 11:05:39,647 INFO L226 Difference]: Without dead ends: 5692 [2018-11-10 11:05:39,651 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 11:05:39,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5692 states. [2018-11-10 11:05:39,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5692 to 4693. [2018-11-10 11:05:39,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4693 states. [2018-11-10 11:05:39,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4693 states to 4693 states and 6669 transitions. [2018-11-10 11:05:39,787 INFO L78 Accepts]: Start accepts. Automaton has 4693 states and 6669 transitions. Word has length 44 [2018-11-10 11:05:39,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 11:05:39,787 INFO L481 AbstractCegarLoop]: Abstraction has 4693 states and 6669 transitions. [2018-11-10 11:05:39,787 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-10 11:05:39,787 INFO L276 IsEmpty]: Start isEmpty. Operand 4693 states and 6669 transitions. [2018-11-10 11:05:39,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-10 11:05:39,788 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 11:05:39,788 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1] [2018-11-10 11:05:39,789 INFO L424 AbstractCegarLoop]: === Iteration 19 === [mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 11:05:39,789 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:05:39,789 INFO L82 PathProgramCache]: Analyzing trace with hash 598210544, now seen corresponding path program 3 times [2018-11-10 11:05:39,789 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 11:05:39,789 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 11:05:39,790 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:05:39,790 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-10 11:05:39,790 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:05:39,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:05:39,819 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 11:05:39,819 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 11:05:39,819 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4fcd39f0-1647-4737-bcf3-df5eb065c5f2/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 11:05:39,828 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-11-10 11:05:39,844 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2018-11-10 11:05:39,844 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-10 11:05:39,846 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 11:05:39,851 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 11:05:39,877 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 11:05:39,878 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2018-11-10 11:05:39,878 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-10 11:05:39,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 11:05:39,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2018-11-10 11:05:39,878 INFO L87 Difference]: Start difference. First operand 4693 states and 6669 transitions. Second operand 6 states. [2018-11-10 11:05:40,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 11:05:40,034 INFO L93 Difference]: Finished difference Result 7553 states and 10909 transitions. [2018-11-10 11:05:40,035 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-10 11:05:40,035 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 44 [2018-11-10 11:05:40,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 11:05:40,066 INFO L225 Difference]: With dead ends: 7553 [2018-11-10 11:05:40,066 INFO L226 Difference]: Without dead ends: 7551 [2018-11-10 11:05:40,069 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 11:05:40,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7551 states. [2018-11-10 11:05:40,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7551 to 6141. [2018-11-10 11:05:40,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6141 states. [2018-11-10 11:05:40,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6141 states to 6141 states and 8677 transitions. [2018-11-10 11:05:40,210 INFO L78 Accepts]: Start accepts. Automaton has 6141 states and 8677 transitions. Word has length 44 [2018-11-10 11:05:40,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 11:05:40,210 INFO L481 AbstractCegarLoop]: Abstraction has 6141 states and 8677 transitions. [2018-11-10 11:05:40,210 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-10 11:05:40,210 INFO L276 IsEmpty]: Start isEmpty. Operand 6141 states and 8677 transitions. [2018-11-10 11:05:40,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-10 11:05:40,212 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 11:05:40,212 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 11:05:40,212 INFO L424 AbstractCegarLoop]: === Iteration 20 === [mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 11:05:40,212 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:05:40,213 INFO L82 PathProgramCache]: Analyzing trace with hash -602602044, now seen corresponding path program 2 times [2018-11-10 11:05:40,213 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 11:05:40,213 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 11:05:40,213 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:05:40,214 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-10 11:05:40,214 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:05:40,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:05:40,260 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 11:05:40,260 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 11:05:40,260 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4fcd39f0-1647-4737-bcf3-df5eb065c5f2/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 11:05:40,273 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-11-10 11:05:40,286 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-11-10 11:05:40,286 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-10 11:05:40,288 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 11:05:40,294 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 11:05:40,321 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 11:05:40,321 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2018-11-10 11:05:40,322 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-10 11:05:40,322 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 11:05:40,322 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2018-11-10 11:05:40,322 INFO L87 Difference]: Start difference. First operand 6141 states and 8677 transitions. Second operand 6 states. [2018-11-10 11:05:40,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 11:05:40,475 INFO L93 Difference]: Finished difference Result 9410 states and 13413 transitions. [2018-11-10 11:05:40,475 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-10 11:05:40,476 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 49 [2018-11-10 11:05:40,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 11:05:40,487 INFO L225 Difference]: With dead ends: 9410 [2018-11-10 11:05:40,487 INFO L226 Difference]: Without dead ends: 9409 [2018-11-10 11:05:40,491 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 11:05:40,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9409 states. [2018-11-10 11:05:40,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9409 to 6913. [2018-11-10 11:05:40,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6913 states. [2018-11-10 11:05:40,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6913 states to 6913 states and 9765 transitions. [2018-11-10 11:05:40,614 INFO L78 Accepts]: Start accepts. Automaton has 6913 states and 9765 transitions. Word has length 49 [2018-11-10 11:05:40,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 11:05:40,614 INFO L481 AbstractCegarLoop]: Abstraction has 6913 states and 9765 transitions. [2018-11-10 11:05:40,614 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-10 11:05:40,615 INFO L276 IsEmpty]: Start isEmpty. Operand 6913 states and 9765 transitions. [2018-11-10 11:05:40,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-10 11:05:40,616 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 11:05:40,616 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 1, 1, 1, 1, 1, 1] [2018-11-10 11:05:40,616 INFO L424 AbstractCegarLoop]: === Iteration 21 === [mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 11:05:40,617 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:05:40,617 INFO L82 PathProgramCache]: Analyzing trace with hash 1055287564, now seen corresponding path program 3 times [2018-11-10 11:05:40,617 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 11:05:40,617 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 11:05:40,618 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:05:40,618 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-10 11:05:40,618 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:05:40,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:05:40,668 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 11:05:40,668 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 11:05:40,668 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4fcd39f0-1647-4737-bcf3-df5eb065c5f2/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 11:05:40,675 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-11-10 11:05:40,697 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2018-11-10 11:05:40,698 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-10 11:05:40,699 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 11:05:40,704 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 11:05:40,720 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 11:05:40,721 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2018-11-10 11:05:40,721 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-10 11:05:40,721 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-10 11:05:40,721 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2018-11-10 11:05:40,721 INFO L87 Difference]: Start difference. First operand 6913 states and 9765 transitions. Second operand 7 states. [2018-11-10 11:05:40,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 11:05:40,895 INFO L93 Difference]: Finished difference Result 10150 states and 14465 transitions. [2018-11-10 11:05:40,896 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-10 11:05:40,896 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 50 [2018-11-10 11:05:40,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 11:05:40,910 INFO L225 Difference]: With dead ends: 10150 [2018-11-10 11:05:40,910 INFO L226 Difference]: Without dead ends: 10149 [2018-11-10 11:05:40,915 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 11:05:40,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10149 states. [2018-11-10 11:05:41,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10149 to 7523. [2018-11-10 11:05:41,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7523 states. [2018-11-10 11:05:41,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7523 states to 7523 states and 10629 transitions. [2018-11-10 11:05:41,124 INFO L78 Accepts]: Start accepts. Automaton has 7523 states and 10629 transitions. Word has length 50 [2018-11-10 11:05:41,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 11:05:41,125 INFO L481 AbstractCegarLoop]: Abstraction has 7523 states and 10629 transitions. [2018-11-10 11:05:41,125 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-10 11:05:41,125 INFO L276 IsEmpty]: Start isEmpty. Operand 7523 states and 10629 transitions. [2018-11-10 11:05:41,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-10 11:05:41,126 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 11:05:41,126 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 5, 5, 1, 1, 1, 1, 1, 1] [2018-11-10 11:05:41,127 INFO L424 AbstractCegarLoop]: === Iteration 22 === [mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 11:05:41,127 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:05:41,127 INFO L82 PathProgramCache]: Analyzing trace with hash -1121634520, now seen corresponding path program 5 times [2018-11-10 11:05:41,127 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 11:05:41,127 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 11:05:41,128 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:05:41,128 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-10 11:05:41,128 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:05:41,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:05:41,180 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 11:05:41,181 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 11:05:41,181 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4fcd39f0-1647-4737-bcf3-df5eb065c5f2/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 11:05:41,194 INFO L103 rtionOrderModulation]: Keeping assertion order INSIDE_LOOP_FIRST1 [2018-11-10 11:05:41,210 INFO L249 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2018-11-10 11:05:41,211 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-10 11:05:41,213 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 11:05:41,218 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 11:05:41,244 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 11:05:41,244 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2018-11-10 11:05:41,245 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-10 11:05:41,245 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-10 11:05:41,245 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2018-11-10 11:05:41,245 INFO L87 Difference]: Start difference. First operand 7523 states and 10629 transitions. Second operand 8 states. [2018-11-10 11:05:41,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 11:05:41,396 INFO L93 Difference]: Finished difference Result 11088 states and 15913 transitions. [2018-11-10 11:05:41,397 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-10 11:05:41,397 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 52 [2018-11-10 11:05:41,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 11:05:41,409 INFO L225 Difference]: With dead ends: 11088 [2018-11-10 11:05:41,410 INFO L226 Difference]: Without dead ends: 11086 [2018-11-10 11:05:41,414 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 11:05:41,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11086 states. [2018-11-10 11:05:41,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11086 to 9277. [2018-11-10 11:05:41,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9277 states. [2018-11-10 11:05:41,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9277 states to 9277 states and 13050 transitions. [2018-11-10 11:05:41,639 INFO L78 Accepts]: Start accepts. Automaton has 9277 states and 13050 transitions. Word has length 52 [2018-11-10 11:05:41,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 11:05:41,640 INFO L481 AbstractCegarLoop]: Abstraction has 9277 states and 13050 transitions. [2018-11-10 11:05:41,640 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-10 11:05:41,640 INFO L276 IsEmpty]: Start isEmpty. Operand 9277 states and 13050 transitions. [2018-11-10 11:05:41,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-10 11:05:41,642 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 11:05:41,642 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 1, 1, 1, 1, 1, 1] [2018-11-10 11:05:41,642 INFO L424 AbstractCegarLoop]: === Iteration 23 === [mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 11:05:41,643 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:05:41,643 INFO L82 PathProgramCache]: Analyzing trace with hash 1990383130, now seen corresponding path program 4 times [2018-11-10 11:05:41,643 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 11:05:41,643 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 11:05:41,644 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:05:41,644 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-10 11:05:41,644 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:05:41,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:05:41,707 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 11:05:41,707 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 11:05:41,707 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4fcd39f0-1647-4737-bcf3-df5eb065c5f2/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 11:05:41,738 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-11-10 11:05:41,760 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-11-10 11:05:41,761 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-10 11:05:41,763 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 11:05:41,768 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 11:05:41,794 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 11:05:41,795 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2018-11-10 11:05:41,795 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-10 11:05:41,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-10 11:05:41,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2018-11-10 11:05:41,795 INFO L87 Difference]: Start difference. First operand 9277 states and 13050 transitions. Second operand 7 states. [2018-11-10 11:05:41,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 11:05:41,978 INFO L93 Difference]: Finished difference Result 14212 states and 20329 transitions. [2018-11-10 11:05:41,978 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-10 11:05:41,978 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 54 [2018-11-10 11:05:41,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 11:05:41,990 INFO L225 Difference]: With dead ends: 14212 [2018-11-10 11:05:41,990 INFO L226 Difference]: Without dead ends: 14210 [2018-11-10 11:05:41,995 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 11:05:42,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14210 states. [2018-11-10 11:05:42,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14210 to 11739. [2018-11-10 11:05:42,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11739 states. [2018-11-10 11:05:42,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11739 states to 11739 states and 16429 transitions. [2018-11-10 11:05:42,215 INFO L78 Accepts]: Start accepts. Automaton has 11739 states and 16429 transitions. Word has length 54 [2018-11-10 11:05:42,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 11:05:42,215 INFO L481 AbstractCegarLoop]: Abstraction has 11739 states and 16429 transitions. [2018-11-10 11:05:42,215 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-10 11:05:42,215 INFO L276 IsEmpty]: Start isEmpty. Operand 11739 states and 16429 transitions. [2018-11-10 11:05:42,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-10 11:05:42,217 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 11:05:42,217 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 5, 1, 1, 1, 1, 1, 1] [2018-11-10 11:05:42,218 INFO L424 AbstractCegarLoop]: === Iteration 24 === [mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 11:05:42,218 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:05:42,218 INFO L82 PathProgramCache]: Analyzing trace with hash 1774150148, now seen corresponding path program 4 times [2018-11-10 11:05:42,218 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 11:05:42,218 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 11:05:42,219 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:05:42,219 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-10 11:05:42,219 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:05:42,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:05:42,267 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 11:05:42,268 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 11:05:42,268 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4fcd39f0-1647-4737-bcf3-df5eb065c5f2/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 11:05:42,273 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-11-10 11:05:42,282 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-11-10 11:05:42,282 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-10 11:05:42,284 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 11:05:42,290 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 11:05:42,307 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 11:05:42,307 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2018-11-10 11:05:42,307 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-10 11:05:42,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-10 11:05:42,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2018-11-10 11:05:42,307 INFO L87 Difference]: Start difference. First operand 11739 states and 16429 transitions. Second operand 8 states. [2018-11-10 11:05:42,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 11:05:42,526 INFO L93 Difference]: Finished difference Result 16654 states and 23533 transitions. [2018-11-10 11:05:42,526 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-10 11:05:42,526 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 59 [2018-11-10 11:05:42,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 11:05:42,540 INFO L225 Difference]: With dead ends: 16654 [2018-11-10 11:05:42,540 INFO L226 Difference]: Without dead ends: 16653 [2018-11-10 11:05:42,543 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 11:05:42,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16653 states. [2018-11-10 11:05:42,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16653 to 12511. [2018-11-10 11:05:42,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12511 states. [2018-11-10 11:05:42,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12511 states to 12511 states and 17517 transitions. [2018-11-10 11:05:42,775 INFO L78 Accepts]: Start accepts. Automaton has 12511 states and 17517 transitions. Word has length 59 [2018-11-10 11:05:42,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 11:05:42,775 INFO L481 AbstractCegarLoop]: Abstraction has 12511 states and 17517 transitions. [2018-11-10 11:05:42,776 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-10 11:05:42,776 INFO L276 IsEmpty]: Start isEmpty. Operand 12511 states and 17517 transitions. [2018-11-10 11:05:42,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-10 11:05:42,777 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 11:05:42,777 INFO L375 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 6, 6, 1, 1, 1, 1, 1, 1] [2018-11-10 11:05:42,778 INFO L424 AbstractCegarLoop]: === Iteration 25 === [mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 11:05:42,778 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:05:42,778 INFO L82 PathProgramCache]: Analyzing trace with hash 1469354459, now seen corresponding path program 6 times [2018-11-10 11:05:42,778 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 11:05:42,778 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 11:05:42,779 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:05:42,779 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-10 11:05:42,779 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:05:42,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:05:42,838 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 11:05:42,838 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 11:05:42,838 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4fcd39f0-1647-4737-bcf3-df5eb065c5f2/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 11:05:42,850 INFO L103 rtionOrderModulation]: Keeping assertion order MIX_INSIDE_OUTSIDE [2018-11-10 11:05:42,866 INFO L249 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2018-11-10 11:05:42,866 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-10 11:05:42,867 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 11:05:42,871 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 11:05:42,888 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 11:05:42,888 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 8 [2018-11-10 11:05:42,888 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-10 11:05:42,888 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-10 11:05:42,888 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2018-11-10 11:05:42,888 INFO L87 Difference]: Start difference. First operand 12511 states and 17517 transitions. Second operand 9 states. [2018-11-10 11:05:43,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 11:05:43,123 INFO L93 Difference]: Finished difference Result 17840 states and 25381 transitions. [2018-11-10 11:05:43,124 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-10 11:05:43,124 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 60 [2018-11-10 11:05:43,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 11:05:43,138 INFO L225 Difference]: With dead ends: 17840 [2018-11-10 11:05:43,138 INFO L226 Difference]: Without dead ends: 17838 [2018-11-10 11:05:43,143 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 11:05:43,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17838 states. [2018-11-10 11:05:43,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17838 to 15117. [2018-11-10 11:05:43,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15117 states. [2018-11-10 11:05:43,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15117 states to 15117 states and 21085 transitions. [2018-11-10 11:05:43,492 INFO L78 Accepts]: Start accepts. Automaton has 15117 states and 21085 transitions. Word has length 60 [2018-11-10 11:05:43,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 11:05:43,493 INFO L481 AbstractCegarLoop]: Abstraction has 15117 states and 21085 transitions. [2018-11-10 11:05:43,493 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-10 11:05:43,493 INFO L276 IsEmpty]: Start isEmpty. Operand 15117 states and 21085 transitions. [2018-11-10 11:05:43,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-10 11:05:43,495 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 11:05:43,495 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 11:05:43,495 INFO L424 AbstractCegarLoop]: === Iteration 26 === [mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 11:05:43,495 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:05:43,495 INFO L82 PathProgramCache]: Analyzing trace with hash -1169136107, now seen corresponding path program 3 times [2018-11-10 11:05:43,495 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 11:05:43,496 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 11:05:43,496 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:05:43,496 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-10 11:05:43,496 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:05:43,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:05:43,556 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 11:05:43,557 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 11:05:43,557 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4fcd39f0-1647-4737-bcf3-df5eb065c5f2/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 11:05:43,575 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-11-10 11:05:43,596 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2018-11-10 11:05:43,596 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-10 11:05:43,597 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 11:05:43,602 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 11:05:43,619 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 11:05:43,619 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2018-11-10 11:05:43,619 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-10 11:05:43,619 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-10 11:05:43,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2018-11-10 11:05:43,619 INFO L87 Difference]: Start difference. First operand 15117 states and 21085 transitions. Second operand 7 states. [2018-11-10 11:05:43,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 11:05:43,909 INFO L93 Difference]: Finished difference Result 22172 states and 31235 transitions. [2018-11-10 11:05:43,909 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-10 11:05:43,909 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 60 [2018-11-10 11:05:43,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 11:05:43,927 INFO L225 Difference]: With dead ends: 22172 [2018-11-10 11:05:43,928 INFO L226 Difference]: Without dead ends: 22171 [2018-11-10 11:05:43,932 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 11:05:43,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22171 states. [2018-11-10 11:05:44,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22171 to 16451. [2018-11-10 11:05:44,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16451 states. [2018-11-10 11:05:44,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16451 states to 16451 states and 22951 transitions. [2018-11-10 11:05:44,242 INFO L78 Accepts]: Start accepts. Automaton has 16451 states and 22951 transitions. Word has length 60 [2018-11-10 11:05:44,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 11:05:44,243 INFO L481 AbstractCegarLoop]: Abstraction has 16451 states and 22951 transitions. [2018-11-10 11:05:44,243 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-10 11:05:44,243 INFO L276 IsEmpty]: Start isEmpty. Operand 16451 states and 22951 transitions. [2018-11-10 11:05:44,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-10 11:05:44,245 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 11:05:44,245 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 1, 1, 1, 1, 1, 1] [2018-11-10 11:05:44,245 INFO L424 AbstractCegarLoop]: === Iteration 27 === [mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 11:05:44,245 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:05:44,245 INFO L82 PathProgramCache]: Analyzing trace with hash -1717205052, now seen corresponding path program 5 times [2018-11-10 11:05:44,245 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 11:05:44,246 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 11:05:44,246 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:05:44,246 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-10 11:05:44,246 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:05:44,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:05:44,294 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 11:05:44,294 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 11:05:44,294 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4fcd39f0-1647-4737-bcf3-df5eb065c5f2/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 11:05:44,302 INFO L103 rtionOrderModulation]: Keeping assertion order INSIDE_LOOP_FIRST1 [2018-11-10 11:05:44,312 INFO L249 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2018-11-10 11:05:44,312 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-10 11:05:44,313 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 11:05:44,317 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 11:05:44,333 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 11:05:44,333 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2018-11-10 11:05:44,333 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-10 11:05:44,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-10 11:05:44,334 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2018-11-10 11:05:44,334 INFO L87 Difference]: Start difference. First operand 16451 states and 22951 transitions. Second operand 8 states. [2018-11-10 11:05:44,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 11:05:44,702 INFO L93 Difference]: Finished difference Result 24218 states and 34362 transitions. [2018-11-10 11:05:44,702 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-10 11:05:44,702 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 64 [2018-11-10 11:05:44,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 11:05:44,721 INFO L225 Difference]: With dead ends: 24218 [2018-11-10 11:05:44,721 INFO L226 Difference]: Without dead ends: 24216 [2018-11-10 11:05:44,725 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 11:05:44,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24216 states. [2018-11-10 11:05:45,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24216 to 20289. [2018-11-10 11:05:45,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20289 states. [2018-11-10 11:05:45,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20289 states to 20289 states and 28180 transitions. [2018-11-10 11:05:45,098 INFO L78 Accepts]: Start accepts. Automaton has 20289 states and 28180 transitions. Word has length 64 [2018-11-10 11:05:45,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 11:05:45,099 INFO L481 AbstractCegarLoop]: Abstraction has 20289 states and 28180 transitions. [2018-11-10 11:05:45,099 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-10 11:05:45,099 INFO L276 IsEmpty]: Start isEmpty. Operand 20289 states and 28180 transitions. [2018-11-10 11:05:45,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-11-10 11:05:45,100 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 11:05:45,100 INFO L375 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 7, 7, 1, 1, 1, 1, 1, 1] [2018-11-10 11:05:45,101 INFO L424 AbstractCegarLoop]: === Iteration 28 === [mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 11:05:45,101 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:05:45,101 INFO L82 PathProgramCache]: Analyzing trace with hash -840726130, now seen corresponding path program 7 times [2018-11-10 11:05:45,101 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 11:05:45,101 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 11:05:45,101 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:05:45,102 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-10 11:05:45,102 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:05:45,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:05:45,179 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 11:05:45,179 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 11:05:45,179 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4fcd39f0-1647-4737-bcf3-df5eb065c5f2/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 11:05:45,186 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:05:45,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:05:45,198 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 11:05:45,205 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 11:05:45,222 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 11:05:45,222 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 9 [2018-11-10 11:05:45,223 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-10 11:05:45,223 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-10 11:05:45,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2018-11-10 11:05:45,223 INFO L87 Difference]: Start difference. First operand 20289 states and 28180 transitions. Second operand 10 states. [2018-11-10 11:05:45,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 11:05:45,679 INFO L93 Difference]: Finished difference Result 28015 states and 39542 transitions. [2018-11-10 11:05:45,679 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-10 11:05:45,679 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 68 [2018-11-10 11:05:45,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 11:05:45,704 INFO L225 Difference]: With dead ends: 28015 [2018-11-10 11:05:45,704 INFO L226 Difference]: Without dead ends: 28013 [2018-11-10 11:05:45,708 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 11:05:45,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28013 states. [2018-11-10 11:05:46,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28013 to 23851. [2018-11-10 11:05:46,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23851 states. [2018-11-10 11:05:46,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23851 states to 23851 states and 33013 transitions. [2018-11-10 11:05:46,118 INFO L78 Accepts]: Start accepts. Automaton has 23851 states and 33013 transitions. Word has length 68 [2018-11-10 11:05:46,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 11:05:46,119 INFO L481 AbstractCegarLoop]: Abstraction has 23851 states and 33013 transitions. [2018-11-10 11:05:46,119 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-10 11:05:46,119 INFO L276 IsEmpty]: Start isEmpty. Operand 23851 states and 33013 transitions. [2018-11-10 11:05:46,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-11-10 11:05:46,120 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 11:05:46,121 INFO L375 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 6, 1, 1, 1, 1, 1, 1] [2018-11-10 11:05:46,121 INFO L424 AbstractCegarLoop]: === Iteration 29 === [mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 11:05:46,121 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:05:46,121 INFO L82 PathProgramCache]: Analyzing trace with hash -1096613876, now seen corresponding path program 5 times [2018-11-10 11:05:46,121 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 11:05:46,121 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 11:05:46,122 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:05:46,122 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:05:46,122 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:05:46,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:05:46,196 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 11:05:46,196 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 11:05:46,196 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4fcd39f0-1647-4737-bcf3-df5eb065c5f2/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 11:05:46,204 INFO L103 rtionOrderModulation]: Keeping assertion order INSIDE_LOOP_FIRST1 [2018-11-10 11:05:46,218 INFO L249 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2018-11-10 11:05:46,218 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-10 11:05:46,219 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 11:05:46,228 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 11:05:46,254 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 11:05:46,254 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 8 [2018-11-10 11:05:46,255 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-10 11:05:46,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-10 11:05:46,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2018-11-10 11:05:46,255 INFO L87 Difference]: Start difference. First operand 23851 states and 33013 transitions. Second operand 9 states. [2018-11-10 11:05:46,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 11:05:46,795 INFO L93 Difference]: Finished difference Result 35167 states and 49144 transitions. [2018-11-10 11:05:46,795 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-10 11:05:46,795 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 68 [2018-11-10 11:05:46,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 11:05:46,822 INFO L225 Difference]: With dead ends: 35167 [2018-11-10 11:05:46,822 INFO L226 Difference]: Without dead ends: 35166 [2018-11-10 11:05:46,825 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 11:05:46,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35166 states. [2018-11-10 11:05:47,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35166 to 25341. [2018-11-10 11:05:47,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25341 states. [2018-11-10 11:05:47,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25341 states to 25341 states and 35098 transitions. [2018-11-10 11:05:47,330 INFO L78 Accepts]: Start accepts. Automaton has 25341 states and 35098 transitions. Word has length 68 [2018-11-10 11:05:47,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 11:05:47,330 INFO L481 AbstractCegarLoop]: Abstraction has 25341 states and 35098 transitions. [2018-11-10 11:05:47,330 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-10 11:05:47,330 INFO L276 IsEmpty]: Start isEmpty. Operand 25341 states and 35098 transitions. [2018-11-10 11:05:47,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-11-10 11:05:47,332 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 11:05:47,332 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 11:05:47,332 INFO L424 AbstractCegarLoop]: === Iteration 30 === [mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 11:05:47,332 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:05:47,333 INFO L82 PathProgramCache]: Analyzing trace with hash 1181636900, now seen corresponding path program 4 times [2018-11-10 11:05:47,333 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 11:05:47,333 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 11:05:47,333 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:05:47,333 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-10 11:05:47,334 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:05:47,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:05:47,392 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 11:05:47,392 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 11:05:47,392 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4fcd39f0-1647-4737-bcf3-df5eb065c5f2/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 11:05:47,405 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-11-10 11:05:47,425 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-11-10 11:05:47,425 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-10 11:05:47,426 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 11:05:47,434 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 11:05:47,460 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 11:05:47,461 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2018-11-10 11:05:47,461 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-10 11:05:47,461 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-10 11:05:47,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2018-11-10 11:05:47,461 INFO L87 Difference]: Start difference. First operand 25341 states and 35098 transitions. Second operand 8 states. [2018-11-10 11:05:47,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 11:05:47,942 INFO L93 Difference]: Finished difference Result 35917 states and 50266 transitions. [2018-11-10 11:05:47,942 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-10 11:05:47,942 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 71 [2018-11-10 11:05:47,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 11:05:47,973 INFO L225 Difference]: With dead ends: 35917 [2018-11-10 11:05:47,973 INFO L226 Difference]: Without dead ends: 35916 [2018-11-10 11:05:47,979 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 11:05:47,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35916 states. [2018-11-10 11:05:48,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35916 to 27007. [2018-11-10 11:05:48,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27007 states. [2018-11-10 11:05:48,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27007 states to 27007 states and 37422 transitions. [2018-11-10 11:05:48,646 INFO L78 Accepts]: Start accepts. Automaton has 27007 states and 37422 transitions. Word has length 71 [2018-11-10 11:05:48,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 11:05:48,646 INFO L481 AbstractCegarLoop]: Abstraction has 27007 states and 37422 transitions. [2018-11-10 11:05:48,646 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-10 11:05:48,646 INFO L276 IsEmpty]: Start isEmpty. Operand 27007 states and 37422 transitions. [2018-11-10 11:05:48,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-11-10 11:05:48,648 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 11:05:48,648 INFO L375 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 1, 1, 1, 1, 1, 1] [2018-11-10 11:05:48,649 INFO L424 AbstractCegarLoop]: === Iteration 31 === [mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 11:05:48,649 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:05:48,649 INFO L82 PathProgramCache]: Analyzing trace with hash 1637723374, now seen corresponding path program 6 times [2018-11-10 11:05:48,649 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 11:05:48,649 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 11:05:48,650 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:05:48,650 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-10 11:05:48,650 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:05:48,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:05:48,727 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 11:05:48,728 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 11:05:48,728 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4fcd39f0-1647-4737-bcf3-df5eb065c5f2/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 11:05:48,744 INFO L103 rtionOrderModulation]: Keeping assertion order MIX_INSIDE_OUTSIDE [2018-11-10 11:05:48,760 INFO L249 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2018-11-10 11:05:48,760 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-10 11:05:48,761 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 11:05:48,767 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 11:05:48,783 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 11:05:48,783 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 8 [2018-11-10 11:05:48,784 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-10 11:05:48,784 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-10 11:05:48,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2018-11-10 11:05:48,784 INFO L87 Difference]: Start difference. First operand 27007 states and 37422 transitions. Second operand 9 states. [2018-11-10 11:05:49,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 11:05:49,274 INFO L93 Difference]: Finished difference Result 38471 states and 54211 transitions. [2018-11-10 11:05:49,275 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-10 11:05:49,275 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 74 [2018-11-10 11:05:49,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 11:05:49,308 INFO L225 Difference]: With dead ends: 38471 [2018-11-10 11:05:49,308 INFO L226 Difference]: Without dead ends: 38469 [2018-11-10 11:05:49,316 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 11:05:49,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38469 states. [2018-11-10 11:05:49,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38469 to 32634. [2018-11-10 11:05:49,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32634 states. [2018-11-10 11:05:50,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32634 states to 32634 states and 45046 transitions. [2018-11-10 11:05:50,029 INFO L78 Accepts]: Start accepts. Automaton has 32634 states and 45046 transitions. Word has length 74 [2018-11-10 11:05:50,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 11:05:50,029 INFO L481 AbstractCegarLoop]: Abstraction has 32634 states and 45046 transitions. [2018-11-10 11:05:50,029 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-10 11:05:50,029 INFO L276 IsEmpty]: Start isEmpty. Operand 32634 states and 45046 transitions. [2018-11-10 11:05:50,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-11-10 11:05:50,032 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 11:05:50,032 INFO L375 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 8, 8, 1, 1, 1, 1, 1, 1] [2018-11-10 11:05:50,033 INFO L424 AbstractCegarLoop]: === Iteration 32 === [mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 11:05:50,033 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:05:50,033 INFO L82 PathProgramCache]: Analyzing trace with hash -920314303, now seen corresponding path program 8 times [2018-11-10 11:05:50,033 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 11:05:50,033 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 11:05:50,034 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:05:50,034 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-10 11:05:50,034 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:05:50,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:05:50,100 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 11:05:50,100 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 11:05:50,100 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4fcd39f0-1647-4737-bcf3-df5eb065c5f2/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 11:05:50,109 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-11-10 11:05:50,121 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-11-10 11:05:50,121 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-10 11:05:50,122 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 11:05:50,127 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 11:05:50,143 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 11:05:50,144 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 10 [2018-11-10 11:05:50,144 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-10 11:05:50,144 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-10 11:05:50,144 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2018-11-10 11:05:50,144 INFO L87 Difference]: Start difference. First operand 32634 states and 45046 transitions. Second operand 11 states. [2018-11-10 11:05:50,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 11:05:50,678 INFO L93 Difference]: Finished difference Result 43991 states and 61696 transitions. [2018-11-10 11:05:50,679 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-10 11:05:50,679 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 76 [2018-11-10 11:05:50,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 11:05:50,718 INFO L225 Difference]: With dead ends: 43991 [2018-11-10 11:05:50,718 INFO L226 Difference]: Without dead ends: 43989 [2018-11-10 11:05:50,727 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 11:05:50,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43989 states. [2018-11-10 11:05:51,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43989 to 37888. [2018-11-10 11:05:51,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37888 states. [2018-11-10 11:05:51,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37888 states to 37888 states and 52141 transitions. [2018-11-10 11:05:51,639 INFO L78 Accepts]: Start accepts. Automaton has 37888 states and 52141 transitions. Word has length 76 [2018-11-10 11:05:51,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 11:05:51,639 INFO L481 AbstractCegarLoop]: Abstraction has 37888 states and 52141 transitions. [2018-11-10 11:05:51,639 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-10 11:05:51,639 INFO L276 IsEmpty]: Start isEmpty. Operand 37888 states and 52141 transitions. [2018-11-10 11:05:51,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-11-10 11:05:51,642 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 11:05:51,642 INFO L375 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 7, 1, 1, 1, 1, 1, 1] [2018-11-10 11:05:51,643 INFO L424 AbstractCegarLoop]: === Iteration 33 === [mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 11:05:51,643 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:05:51,643 INFO L82 PathProgramCache]: Analyzing trace with hash 792505092, now seen corresponding path program 6 times [2018-11-10 11:05:51,643 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 11:05:51,643 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 11:05:51,644 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:05:51,644 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-10 11:05:51,644 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:05:51,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:05:51,719 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 11:05:51,719 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 11:05:51,719 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4fcd39f0-1647-4737-bcf3-df5eb065c5f2/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 11:05:51,725 INFO L103 rtionOrderModulation]: Keeping assertion order MIX_INSIDE_OUTSIDE [2018-11-10 11:05:51,738 INFO L249 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2018-11-10 11:05:51,738 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-10 11:05:51,739 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 11:05:51,745 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 11:05:51,761 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 11:05:51,761 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 9 [2018-11-10 11:05:51,761 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-10 11:05:51,761 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-10 11:05:51,762 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2018-11-10 11:05:51,762 INFO L87 Difference]: Start difference. First operand 37888 states and 52141 transitions. Second operand 10 states. [2018-11-10 11:05:52,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 11:05:52,424 INFO L93 Difference]: Finished difference Result 54536 states and 75804 transitions. [2018-11-10 11:05:52,424 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-10 11:05:52,425 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 77 [2018-11-10 11:05:52,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 11:05:52,481 INFO L225 Difference]: With dead ends: 54536 [2018-11-10 11:05:52,481 INFO L226 Difference]: Without dead ends: 54535 [2018-11-10 11:05:52,491 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 11:05:52,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54535 states. [2018-11-10 11:05:53,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54535 to 39807. [2018-11-10 11:05:53,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39807 states. [2018-11-10 11:05:53,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39807 states to 39807 states and 54817 transitions. [2018-11-10 11:05:53,351 INFO L78 Accepts]: Start accepts. Automaton has 39807 states and 54817 transitions. Word has length 77 [2018-11-10 11:05:53,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 11:05:53,351 INFO L481 AbstractCegarLoop]: Abstraction has 39807 states and 54817 transitions. [2018-11-10 11:05:53,351 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-10 11:05:53,351 INFO L276 IsEmpty]: Start isEmpty. Operand 39807 states and 54817 transitions. [2018-11-10 11:05:53,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-11-10 11:05:53,354 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 11:05:53,354 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 11:05:53,354 INFO L424 AbstractCegarLoop]: === Iteration 34 === [mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 11:05:53,355 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:05:53,355 INFO L82 PathProgramCache]: Analyzing trace with hash 160642741, now seen corresponding path program 5 times [2018-11-10 11:05:53,355 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 11:05:53,355 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 11:05:53,355 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:05:53,355 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-10 11:05:53,356 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:05:53,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:05:53,429 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 11:05:53,429 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 11:05:53,429 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4fcd39f0-1647-4737-bcf3-df5eb065c5f2/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 11:05:53,441 INFO L103 rtionOrderModulation]: Keeping assertion order INSIDE_LOOP_FIRST1 [2018-11-10 11:05:53,463 INFO L249 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2018-11-10 11:05:53,463 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-10 11:05:53,589 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 11:05:53,601 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 11:05:53,617 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 11:05:53,617 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 8 [2018-11-10 11:05:53,618 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-10 11:05:53,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-10 11:05:53,618 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2018-11-10 11:05:53,618 INFO L87 Difference]: Start difference. First operand 39807 states and 54817 transitions. Second operand 9 states. [2018-11-10 11:05:54,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 11:05:54,326 INFO L93 Difference]: Finished difference Result 54859 states and 76349 transitions. [2018-11-10 11:05:54,326 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-10 11:05:54,326 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 82 [2018-11-10 11:05:54,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 11:05:54,377 INFO L225 Difference]: With dead ends: 54859 [2018-11-10 11:05:54,378 INFO L226 Difference]: Without dead ends: 54858 [2018-11-10 11:05:54,388 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 11:05:54,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54858 states. [2018-11-10 11:05:55,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54858 to 41839. [2018-11-10 11:05:55,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41839 states. [2018-11-10 11:05:55,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41839 states to 41839 states and 57645 transitions. [2018-11-10 11:05:55,256 INFO L78 Accepts]: Start accepts. Automaton has 41839 states and 57645 transitions. Word has length 82 [2018-11-10 11:05:55,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 11:05:55,257 INFO L481 AbstractCegarLoop]: Abstraction has 41839 states and 57645 transitions. [2018-11-10 11:05:55,257 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-10 11:05:55,257 INFO L276 IsEmpty]: Start isEmpty. Operand 41839 states and 57645 transitions. [2018-11-10 11:05:55,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-11-10 11:05:55,260 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 11:05:55,260 INFO L375 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 9, 9, 1, 1, 1, 1, 1, 1] [2018-11-10 11:05:55,260 INFO L424 AbstractCegarLoop]: === Iteration 35 === [mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 11:05:55,260 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:05:55,261 INFO L82 PathProgramCache]: Analyzing trace with hash 795627508, now seen corresponding path program 9 times [2018-11-10 11:05:55,261 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 11:05:55,261 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 11:05:55,261 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:05:55,261 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-10 11:05:55,261 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:05:55,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:05:55,338 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 11:05:55,338 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 11:05:55,338 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4fcd39f0-1647-4737-bcf3-df5eb065c5f2/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 11:05:55,344 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-11-10 11:05:55,358 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2018-11-10 11:05:55,358 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-10 11:05:55,359 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 11:05:55,364 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 11:05:55,381 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 11:05:55,381 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 11 [2018-11-10 11:05:55,381 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-10 11:05:55,381 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-10 11:05:55,381 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2018-11-10 11:05:55,382 INFO L87 Difference]: Start difference. First operand 41839 states and 57645 transitions. Second operand 12 states. [2018-11-10 11:05:56,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 11:05:56,223 INFO L93 Difference]: Finished difference Result 55263 states and 77324 transitions. [2018-11-10 11:05:56,224 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-10 11:05:56,224 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 84 [2018-11-10 11:05:56,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 11:05:56,286 INFO L225 Difference]: With dead ends: 55263 [2018-11-10 11:05:56,286 INFO L226 Difference]: Without dead ends: 55261 [2018-11-10 11:05:56,297 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 11:05:56,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55261 states. [2018-11-10 11:05:57,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55261 to 48062. [2018-11-10 11:05:57,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48062 states. [2018-11-10 11:05:57,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48062 states to 48062 states and 66044 transitions. [2018-11-10 11:05:57,298 INFO L78 Accepts]: Start accepts. Automaton has 48062 states and 66044 transitions. Word has length 84 [2018-11-10 11:05:57,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 11:05:57,299 INFO L481 AbstractCegarLoop]: Abstraction has 48062 states and 66044 transitions. [2018-11-10 11:05:57,299 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-10 11:05:57,299 INFO L276 IsEmpty]: Start isEmpty. Operand 48062 states and 66044 transitions. [2018-11-10 11:05:57,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-11-10 11:05:57,302 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 11:05:57,302 INFO L375 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 1, 1, 1, 1, 1, 1] [2018-11-10 11:05:57,302 INFO L424 AbstractCegarLoop]: === Iteration 36 === [mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 11:05:57,302 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:05:57,302 INFO L82 PathProgramCache]: Analyzing trace with hash 250668440, now seen corresponding path program 7 times [2018-11-10 11:05:57,302 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 11:05:57,302 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 11:05:57,303 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:05:57,303 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-10 11:05:57,303 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:05:57,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:05:57,374 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 11:05:57,374 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 11:05:57,374 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4fcd39f0-1647-4737-bcf3-df5eb065c5f2/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 11:05:57,384 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:05:57,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:05:57,396 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 11:05:57,402 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 11:05:57,417 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 11:05:57,418 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 9 [2018-11-10 11:05:57,418 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-10 11:05:57,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-10 11:05:57,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2018-11-10 11:05:57,418 INFO L87 Difference]: Start difference. First operand 48062 states and 66044 transitions. Second operand 10 states. [2018-11-10 11:05:58,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 11:05:58,320 INFO L93 Difference]: Finished difference Result 66587 states and 93042 transitions. [2018-11-10 11:05:58,321 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-10 11:05:58,321 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 84 [2018-11-10 11:05:58,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 11:05:58,384 INFO L225 Difference]: With dead ends: 66587 [2018-11-10 11:05:58,384 INFO L226 Difference]: Without dead ends: 66585 [2018-11-10 11:05:58,395 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 11:05:58,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66585 states. [2018-11-10 11:05:59,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66585 to 57114. [2018-11-10 11:05:59,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57114 states. [2018-11-10 11:05:59,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57114 states to 57114 states and 78223 transitions. [2018-11-10 11:05:59,606 INFO L78 Accepts]: Start accepts. Automaton has 57114 states and 78223 transitions. Word has length 84 [2018-11-10 11:05:59,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 11:05:59,606 INFO L481 AbstractCegarLoop]: Abstraction has 57114 states and 78223 transitions. [2018-11-10 11:05:59,606 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-10 11:05:59,606 INFO L276 IsEmpty]: Start isEmpty. Operand 57114 states and 78223 transitions. [2018-11-10 11:05:59,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-11-10 11:05:59,609 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 11:05:59,609 INFO L375 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 8, 1, 1, 1, 1, 1, 1] [2018-11-10 11:05:59,610 INFO L424 AbstractCegarLoop]: === Iteration 37 === [mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 11:05:59,610 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:05:59,610 INFO L82 PathProgramCache]: Analyzing trace with hash -955787508, now seen corresponding path program 7 times [2018-11-10 11:05:59,610 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 11:05:59,610 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 11:05:59,611 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:05:59,611 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:05:59,611 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:05:59,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:05:59,692 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 11:05:59,692 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 11:05:59,692 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4fcd39f0-1647-4737-bcf3-df5eb065c5f2/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 11:05:59,698 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:05:59,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:05:59,712 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 11:05:59,720 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 11:05:59,735 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 11:05:59,735 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 10 [2018-11-10 11:05:59,736 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-10 11:05:59,736 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-10 11:05:59,736 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2018-11-10 11:05:59,736 INFO L87 Difference]: Start difference. First operand 57114 states and 78223 transitions. Second operand 11 states. [2018-11-10 11:06:00,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 11:06:00,668 INFO L93 Difference]: Finished difference Result 80500 states and 111382 transitions. [2018-11-10 11:06:00,668 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-10 11:06:00,668 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 86 [2018-11-10 11:06:00,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 11:06:00,745 INFO L225 Difference]: With dead ends: 80500 [2018-11-10 11:06:00,746 INFO L226 Difference]: Without dead ends: 80499 [2018-11-10 11:06:00,760 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 11:06:00,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80499 states. [2018-11-10 11:06:02,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80499 to 59511. [2018-11-10 11:06:02,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59511 states. [2018-11-10 11:06:02,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59511 states to 59511 states and 81556 transitions. [2018-11-10 11:06:02,378 INFO L78 Accepts]: Start accepts. Automaton has 59511 states and 81556 transitions. Word has length 86 [2018-11-10 11:06:02,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 11:06:02,378 INFO L481 AbstractCegarLoop]: Abstraction has 59511 states and 81556 transitions. [2018-11-10 11:06:02,378 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-10 11:06:02,378 INFO L276 IsEmpty]: Start isEmpty. Operand 59511 states and 81556 transitions. [2018-11-10 11:06:02,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-11-10 11:06:02,382 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 11:06:02,382 INFO L375 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 10, 10, 1, 1, 1, 1, 1, 1] [2018-11-10 11:06:02,382 INFO L424 AbstractCegarLoop]: === Iteration 38 === [mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 11:06:02,382 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:06:02,383 INFO L82 PathProgramCache]: Analyzing trace with hash 600579751, now seen corresponding path program 10 times [2018-11-10 11:06:02,383 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 11:06:02,383 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 11:06:02,383 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:06:02,383 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:06:02,383 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:06:02,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:06:02,497 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 11:06:02,497 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 11:06:02,497 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4fcd39f0-1647-4737-bcf3-df5eb065c5f2/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 11:06:02,509 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-11-10 11:06:02,529 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-11-10 11:06:02,529 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-10 11:06:02,531 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 11:06:02,715 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 11:06:02,742 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-10 11:06:02,742 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [12] total 24 [2018-11-10 11:06:02,742 INFO L460 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-11-10 11:06:02,742 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-11-10 11:06:02,742 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=397, Unknown=0, NotChecked=0, Total=552 [2018-11-10 11:06:02,743 INFO L87 Difference]: Start difference. First operand 59511 states and 81556 transitions. Second operand 24 states. [2018-11-10 11:06:04,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 11:06:04,224 INFO L93 Difference]: Finished difference Result 80319 states and 108676 transitions. [2018-11-10 11:06:04,225 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2018-11-10 11:06:04,225 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 92 [2018-11-10 11:06:04,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 11:06:04,227 INFO L225 Difference]: With dead ends: 80319 [2018-11-10 11:06:04,227 INFO L226 Difference]: Without dead ends: 1490 [2018-11-10 11:06:04,294 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2362 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=2234, Invalid=5776, Unknown=0, NotChecked=0, Total=8010 [2018-11-10 11:06:04,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1490 states. [2018-11-10 11:06:04,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1490 to 638. [2018-11-10 11:06:04,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 638 states. [2018-11-10 11:06:04,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 638 states and 753 transitions. [2018-11-10 11:06:04,320 INFO L78 Accepts]: Start accepts. Automaton has 638 states and 753 transitions. Word has length 92 [2018-11-10 11:06:04,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 11:06:04,320 INFO L481 AbstractCegarLoop]: Abstraction has 638 states and 753 transitions. [2018-11-10 11:06:04,320 INFO L482 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-11-10 11:06:04,320 INFO L276 IsEmpty]: Start isEmpty. Operand 638 states and 753 transitions. [2018-11-10 11:06:04,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-10 11:06:04,321 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 11:06:04,321 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 11:06:04,321 INFO L424 AbstractCegarLoop]: === Iteration 39 === [mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 11:06:04,321 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:06:04,321 INFO L82 PathProgramCache]: Analyzing trace with hash 1599136900, now seen corresponding path program 6 times [2018-11-10 11:06:04,322 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 11:06:04,322 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 11:06:04,322 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:06:04,322 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-10 11:06:04,323 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:06:04,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:06:04,407 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 11:06:04,407 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 11:06:04,407 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4fcd39f0-1647-4737-bcf3-df5eb065c5f2/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 11:06:04,414 INFO L103 rtionOrderModulation]: Keeping assertion order MIX_INSIDE_OUTSIDE [2018-11-10 11:06:04,428 INFO L249 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2018-11-10 11:06:04,428 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-10 11:06:04,429 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 11:06:04,438 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 11:06:04,454 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 11:06:04,454 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 9 [2018-11-10 11:06:04,454 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-10 11:06:04,454 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-10 11:06:04,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2018-11-10 11:06:04,454 INFO L87 Difference]: Start difference. First operand 638 states and 753 transitions. Second operand 10 states. [2018-11-10 11:06:04,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 11:06:04,505 INFO L93 Difference]: Finished difference Result 719 states and 846 transitions. [2018-11-10 11:06:04,505 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-10 11:06:04,505 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 93 [2018-11-10 11:06:04,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 11:06:04,506 INFO L225 Difference]: With dead ends: 719 [2018-11-10 11:06:04,506 INFO L226 Difference]: Without dead ends: 545 [2018-11-10 11:06:04,506 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 11:06:04,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 545 states. [2018-11-10 11:06:04,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 545 to 532. [2018-11-10 11:06:04,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 532 states. [2018-11-10 11:06:04,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 532 states and 607 transitions. [2018-11-10 11:06:04,521 INFO L78 Accepts]: Start accepts. Automaton has 532 states and 607 transitions. Word has length 93 [2018-11-10 11:06:04,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 11:06:04,521 INFO L481 AbstractCegarLoop]: Abstraction has 532 states and 607 transitions. [2018-11-10 11:06:04,521 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-10 11:06:04,521 INFO L276 IsEmpty]: Start isEmpty. Operand 532 states and 607 transitions. [2018-11-10 11:06:04,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-11-10 11:06:04,522 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 11:06:04,522 INFO L375 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 1, 1, 1, 1, 1, 1] [2018-11-10 11:06:04,522 INFO L424 AbstractCegarLoop]: === Iteration 40 === [mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 11:06:04,522 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:06:04,522 INFO L82 PathProgramCache]: Analyzing trace with hash 1467797954, now seen corresponding path program 8 times [2018-11-10 11:06:04,523 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 11:06:04,523 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 11:06:04,523 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:06:04,523 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-10 11:06:04,523 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:06:04,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:06:04,576 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 11:06:04,576 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 11:06:04,576 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4fcd39f0-1647-4737-bcf3-df5eb065c5f2/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 11:06:04,581 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-11-10 11:06:04,594 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-11-10 11:06:04,594 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-10 11:06:04,595 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 11:06:04,603 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 11:06:04,619 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 11:06:04,619 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 10 [2018-11-10 11:06:04,619 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-10 11:06:04,619 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-10 11:06:04,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2018-11-10 11:06:04,620 INFO L87 Difference]: Start difference. First operand 532 states and 607 transitions. Second operand 11 states. [2018-11-10 11:06:04,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 11:06:04,656 INFO L93 Difference]: Finished difference Result 570 states and 645 transitions. [2018-11-10 11:06:04,656 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-10 11:06:04,656 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 94 [2018-11-10 11:06:04,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 11:06:04,657 INFO L225 Difference]: With dead ends: 570 [2018-11-10 11:06:04,657 INFO L226 Difference]: Without dead ends: 433 [2018-11-10 11:06:04,657 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 11:06:04,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 433 states. [2018-11-10 11:06:04,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 433 to 419. [2018-11-10 11:06:04,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 419 states. [2018-11-10 11:06:04,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 457 transitions. [2018-11-10 11:06:04,668 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 457 transitions. Word has length 94 [2018-11-10 11:06:04,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 11:06:04,668 INFO L481 AbstractCegarLoop]: Abstraction has 419 states and 457 transitions. [2018-11-10 11:06:04,668 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-10 11:06:04,668 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 457 transitions. [2018-11-10 11:06:04,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-11-10 11:06:04,668 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 11:06:04,668 INFO L375 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 9, 1, 1, 1, 1, 1, 1] [2018-11-10 11:06:04,669 INFO L424 AbstractCegarLoop]: === Iteration 41 === [mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 11:06:04,669 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:06:04,669 INFO L82 PathProgramCache]: Analyzing trace with hash 89764868, now seen corresponding path program 8 times [2018-11-10 11:06:04,669 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 11:06:04,669 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 11:06:04,670 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:06:04,670 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-10 11:06:04,670 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:06:04,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:06:04,733 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 11:06:04,734 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 11:06:04,734 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4fcd39f0-1647-4737-bcf3-df5eb065c5f2/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 11:06:04,740 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-11-10 11:06:04,752 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-11-10 11:06:04,753 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-10 11:06:04,754 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 11:06:04,766 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 11:06:04,782 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 11:06:04,782 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 11 [2018-11-10 11:06:04,782 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-10 11:06:04,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-10 11:06:04,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2018-11-10 11:06:04,783 INFO L87 Difference]: Start difference. First operand 419 states and 457 transitions. Second operand 12 states. [2018-11-10 11:06:04,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 11:06:04,810 INFO L93 Difference]: Finished difference Result 512 states and 549 transitions. [2018-11-10 11:06:04,811 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-10 11:06:04,811 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 95 [2018-11-10 11:06:04,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 11:06:04,811 INFO L225 Difference]: With dead ends: 512 [2018-11-10 11:06:04,811 INFO L226 Difference]: Without dead ends: 437 [2018-11-10 11:06:04,811 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 11:06:04,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437 states. [2018-11-10 11:06:04,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 337. [2018-11-10 11:06:04,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 337 states. [2018-11-10 11:06:04,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 375 transitions. [2018-11-10 11:06:04,821 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 375 transitions. Word has length 95 [2018-11-10 11:06:04,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 11:06:04,821 INFO L481 AbstractCegarLoop]: Abstraction has 337 states and 375 transitions. [2018-11-10 11:06:04,821 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-10 11:06:04,821 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 375 transitions. [2018-11-10 11:06:04,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-10 11:06:04,821 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 11:06:04,821 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 11:06:04,821 INFO L424 AbstractCegarLoop]: === Iteration 42 === [mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 11:06:04,822 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:06:04,822 INFO L82 PathProgramCache]: Analyzing trace with hash 1188679509, now seen corresponding path program 7 times [2018-11-10 11:06:04,822 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 11:06:04,822 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 11:06:04,822 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:06:04,822 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-10 11:06:04,822 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:06:04,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:06:04,889 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 11:06:04,889 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 11:06:04,889 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4fcd39f0-1647-4737-bcf3-df5eb065c5f2/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 11:06:04,896 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:06:04,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:06:04,909 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 11:06:04,922 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 11:06:04,938 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 11:06:04,938 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 10 [2018-11-10 11:06:04,938 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-10 11:06:04,938 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-10 11:06:04,939 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2018-11-10 11:06:04,939 INFO L87 Difference]: Start difference. First operand 337 states and 375 transitions. Second operand 11 states. [2018-11-10 11:06:04,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 11:06:04,972 INFO L93 Difference]: Finished difference Result 360 states and 397 transitions. [2018-11-10 11:06:04,973 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-10 11:06:04,973 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 104 [2018-11-10 11:06:04,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 11:06:04,973 INFO L225 Difference]: With dead ends: 360 [2018-11-10 11:06:04,973 INFO L226 Difference]: Without dead ends: 211 [2018-11-10 11:06:04,973 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 11:06:04,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2018-11-10 11:06:04,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 211. [2018-11-10 11:06:04,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 211 states. [2018-11-10 11:06:04,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 210 transitions. [2018-11-10 11:06:04,978 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 210 transitions. Word has length 104 [2018-11-10 11:06:04,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 11:06:04,979 INFO L481 AbstractCegarLoop]: Abstraction has 211 states and 210 transitions. [2018-11-10 11:06:04,979 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-10 11:06:04,979 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 210 transitions. [2018-11-10 11:06:04,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-10 11:06:04,979 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 11:06:04,979 INFO L375 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 1, 1, 1, 1, 1, 1] [2018-11-10 11:06:04,979 INFO L424 AbstractCegarLoop]: === Iteration 43 === [mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 11:06:04,979 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:06:04,979 INFO L82 PathProgramCache]: Analyzing trace with hash -258535060, now seen corresponding path program 9 times [2018-11-10 11:06:04,979 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 11:06:04,980 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 11:06:04,980 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:06:04,980 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:06:04,980 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:06:04,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:06:05,044 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 11:06:05,045 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 11:06:05,045 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4fcd39f0-1647-4737-bcf3-df5eb065c5f2/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 11:06:05,051 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-11-10 11:06:05,067 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2018-11-10 11:06:05,067 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-10 11:06:05,068 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 11:06:05,077 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 11:06:05,093 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 11:06:05,093 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 11 [2018-11-10 11:06:05,093 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-10 11:06:05,094 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-10 11:06:05,094 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2018-11-10 11:06:05,094 INFO L87 Difference]: Start difference. First operand 211 states and 210 transitions. Second operand 12 states. [2018-11-10 11:06:05,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 11:06:05,114 INFO L93 Difference]: Finished difference Result 211 states and 210 transitions. [2018-11-10 11:06:05,114 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-10 11:06:05,115 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 104 [2018-11-10 11:06:05,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 11:06:05,115 INFO L225 Difference]: With dead ends: 211 [2018-11-10 11:06:05,115 INFO L226 Difference]: Without dead ends: 116 [2018-11-10 11:06:05,115 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 11:06:05,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2018-11-10 11:06:05,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2018-11-10 11:06:05,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2018-11-10 11:06:05,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 115 transitions. [2018-11-10 11:06:05,119 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 115 transitions. Word has length 104 [2018-11-10 11:06:05,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 11:06:05,119 INFO L481 AbstractCegarLoop]: Abstraction has 116 states and 115 transitions. [2018-11-10 11:06:05,119 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-10 11:06:05,119 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 115 transitions. [2018-11-10 11:06:05,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-11-10 11:06:05,119 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 11:06:05,119 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 11:06:05,119 INFO L424 AbstractCegarLoop]: === Iteration 44 === [mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 11:06:05,120 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:06:05,120 INFO L82 PathProgramCache]: Analyzing trace with hash -2088589340, now seen corresponding path program 8 times [2018-11-10 11:06:05,120 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 11:06:05,120 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 11:06:05,120 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:06:05,120 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-10 11:06:05,120 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:06:05,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:06:05,180 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 11:06:05,180 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 11:06:05,180 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4fcd39f0-1647-4737-bcf3-df5eb065c5f2/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 11:06:05,185 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-11-10 11:06:05,199 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-11-10 11:06:05,199 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-10 11:06:05,201 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 11:06:05,211 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 11:06:05,230 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 11:06:05,230 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 11 [2018-11-10 11:06:05,230 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-10 11:06:05,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-10 11:06:05,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2018-11-10 11:06:05,230 INFO L87 Difference]: Start difference. First operand 116 states and 115 transitions. Second operand 12 states. [2018-11-10 11:06:05,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 11:06:05,245 INFO L93 Difference]: Finished difference Result 116 states and 115 transitions. [2018-11-10 11:06:05,245 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-10 11:06:05,245 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 115 [2018-11-10 11:06:05,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 11:06:05,246 INFO L225 Difference]: With dead ends: 116 [2018-11-10 11:06:05,246 INFO L226 Difference]: Without dead ends: 0 [2018-11-10 11:06:05,246 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 11:06:05,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-10 11:06:05,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-10 11:06:05,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-10 11:06:05,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-10 11:06:05,247 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 115 [2018-11-10 11:06:05,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 11:06:05,247 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 11:06:05,247 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-10 11:06:05,247 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-10 11:06:05,247 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 11:06:05,251 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-10 11:06:05,996 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:06:06,077 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:06:06,125 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:06:06,198 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:06:06,218 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:06:06,233 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:06:06,277 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:06:06,435 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:06:06,487 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:06:06,662 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:06:06,667 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:06:06,777 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:06:06,852 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:06:07,270 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:06:07,932 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:06:07,944 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:06:08,154 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:06:08,192 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:06:08,430 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:06:08,854 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:06:09,201 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:06:09,286 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:06:10,209 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:06:11,194 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:06:11,397 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:06:11,922 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:06:11,979 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:06:12,378 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:06:12,644 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:06:12,983 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:06:14,772 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:06:15,012 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:06:15,180 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:06:16,344 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:06:16,540 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:06:16,692 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:06:18,851 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:06:18,969 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:06:18,973 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:06:19,175 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:06:19,256 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:06:19,479 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:06:19,643 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:06:19,765 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:06:19,880 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:06:20,052 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:06:20,595 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:06:21,100 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:06:21,121 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:06:21,243 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:06:21,502 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:06:21,539 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:06:21,685 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:06:22,173 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:06:22,454 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:06:22,455 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:06:23,085 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:06:23,480 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:06:24,837 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:06:25,087 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:06:25,147 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:06:26,058 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:06:27,465 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:06:29,906 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:06:30,069 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:06:30,544 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:06:33,154 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:06:33,742 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:06:34,728 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:06:38,022 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:06:38,340 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:06:38,661 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:06:39,820 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:06:39,876 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:06:40,129 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:06:42,480 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:06:42,480 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:06:42,480 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:06:43,936 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:06:44,448 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:06:46,334 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:06:46,366 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:06:47,204 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:06:47,499 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:06:48,267 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:06:48,550 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:06:48,909 WARN L179 SmtUtils]: Spent 43.64 s on a formula simplification. DAG size of input: 4621 DAG size of output: 2642 [2018-11-10 11:07:43,726 WARN L179 SmtUtils]: Spent 54.77 s on a formula simplification. DAG size of input: 2240 DAG size of output: 379 [2018-11-10 11:07:43,730 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-11-10 11:07:43,730 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-10 11:07:43,730 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-10 11:07:43,731 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-10 11:07:43,731 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-10 11:07:43,731 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-10 11:07:43,731 INFO L425 ceAbstractionStarter]: For program point L27(lines 27 31) no Hoare annotation was computed. [2018-11-10 11:07:43,731 INFO L425 ceAbstractionStarter]: For program point mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 24) no Hoare annotation was computed. [2018-11-10 11:07:43,731 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 13 35) no Hoare annotation was computed. [2018-11-10 11:07:43,731 INFO L425 ceAbstractionStarter]: For program point L23(lines 23 31) no Hoare annotation was computed. [2018-11-10 11:07:43,731 INFO L425 ceAbstractionStarter]: For program point L19-1(lines 19 33) no Hoare annotation was computed. [2018-11-10 11:07:43,731 INFO L425 ceAbstractionStarter]: For program point L19-3(lines 19 33) no Hoare annotation was computed. [2018-11-10 11:07:43,731 INFO L425 ceAbstractionStarter]: For program point mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2018-11-10 11:07:43,731 INFO L425 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-11-10 11:07:43,731 INFO L425 ceAbstractionStarter]: For program point L28-1(line 28) no Hoare annotation was computed. [2018-11-10 11:07:43,731 INFO L425 ceAbstractionStarter]: For program point L24(line 24) no Hoare annotation was computed. [2018-11-10 11:07:43,731 INFO L425 ceAbstractionStarter]: For program point L24-1(line 24) no Hoare annotation was computed. [2018-11-10 11:07:43,731 INFO L425 ceAbstractionStarter]: For program point L20(line 20) no Hoare annotation was computed. [2018-11-10 11:07:43,731 INFO L425 ceAbstractionStarter]: For program point L20-1(line 20) no Hoare annotation was computed. [2018-11-10 11:07:43,731 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 20) no Hoare annotation was computed. [2018-11-10 11:07:43,732 INFO L425 ceAbstractionStarter]: For program point L29(lines 29 31) no Hoare annotation was computed. [2018-11-10 11:07:43,732 INFO L425 ceAbstractionStarter]: For program point mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2018-11-10 11:07:43,732 INFO L425 ceAbstractionStarter]: For program point L25(lines 25 31) no Hoare annotation was computed. [2018-11-10 11:07:43,732 INFO L425 ceAbstractionStarter]: For program point mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 30) no Hoare annotation was computed. [2018-11-10 11:07:43,732 INFO L425 ceAbstractionStarter]: For program point mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 20) no Hoare annotation was computed. [2018-11-10 11:07:43,732 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 13 35) no Hoare annotation was computed. [2018-11-10 11:07:43,732 INFO L425 ceAbstractionStarter]: For program point mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 26) no Hoare annotation was computed. [2018-11-10 11:07:43,732 INFO L425 ceAbstractionStarter]: For program point mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 24) no Hoare annotation was computed. [2018-11-10 11:07:43,732 INFO L425 ceAbstractionStarter]: For program point L30(line 30) no Hoare annotation was computed. [2018-11-10 11:07:43,732 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 13 35) the Hoare annotation is: true [2018-11-10 11:07:43,732 INFO L425 ceAbstractionStarter]: For program point L30-1(line 30) no Hoare annotation was computed. [2018-11-10 11:07:43,732 INFO L425 ceAbstractionStarter]: For program point L26(line 26) no Hoare annotation was computed. [2018-11-10 11:07:43,732 INFO L425 ceAbstractionStarter]: For program point L26-1(line 26) no Hoare annotation was computed. [2018-11-10 11:07:43,733 INFO L425 ceAbstractionStarter]: For program point L22(lines 22 32) no Hoare annotation was computed. [2018-11-10 11:07:43,734 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 11:07:43,734 INFO L425 ceAbstractionStarter]: For program point mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 30) no Hoare annotation was computed. [2018-11-10 11:07:43,735 INFO L425 ceAbstractionStarter]: For program point mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 26) no Hoare annotation was computed. [2018-11-10 11:07:43,779 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 11:07:43 BoogieIcfgContainer [2018-11-10 11:07:43,779 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 11:07:43,779 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 11:07:43,780 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 11:07:43,780 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 11:07:43,780 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 11:05:36" (3/4) ... [2018-11-10 11:07:43,787 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 11:07:43,793 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-10 11:07:43,793 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-10 11:07:43,797 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-11-10 11:07:43,797 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-10 11:07:43,797 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-10 11:07:43,797 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-10 11:07:43,844 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_4fcd39f0-1647-4737-bcf3-df5eb065c5f2/bin-2019/uautomizer/witness.graphml [2018-11-10 11:07:43,844 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 11:07:43,845 INFO L168 Benchmark]: Toolchain (without parser) took 128202.86 ms. Allocated memory was 1.0 GB in the beginning and 3.9 GB in the end (delta: 2.9 GB). Free memory was 960.3 MB in the beginning and 1.9 GB in the end (delta: -965.9 MB). Peak memory consumption was 1.9 GB. Max. memory is 11.5 GB. [2018-11-10 11:07:43,846 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 11:07:43,846 INFO L168 Benchmark]: CACSL2BoogieTranslator took 153.16 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 949.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 11:07:43,846 INFO L168 Benchmark]: Boogie Preprocessor took 21.55 ms. Allocated memory is still 1.0 GB. Free memory is still 949.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 11:07:43,846 INFO L168 Benchmark]: RCFGBuilder took 206.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -180.9 MB). Peak memory consumption was 22.3 MB. Max. memory is 11.5 GB. [2018-11-10 11:07:43,846 INFO L168 Benchmark]: TraceAbstraction took 127753.41 ms. Allocated memory was 1.2 GB in the beginning and 3.9 GB in the end (delta: 2.7 GB). Free memory was 1.1 GB in the beginning and 1.9 GB in the end (delta: -795.8 MB). Peak memory consumption was 4.5 GB. Max. memory is 11.5 GB. [2018-11-10 11:07:43,847 INFO L168 Benchmark]: Witness Printer took 64.88 ms. Allocated memory is still 3.9 GB. Free memory is still 1.9 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 11:07:43,848 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 153.16 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 949.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.55 ms. Allocated memory is still 1.0 GB. Free memory is still 949.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 206.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -180.9 MB). Peak memory consumption was 22.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 127753.41 ms. Allocated memory was 1.2 GB in the beginning and 3.9 GB in the end (delta: 2.7 GB). Free memory was 1.1 GB in the beginning and 1.9 GB in the end (delta: -795.8 MB). Peak memory consumption was 4.5 GB. Max. memory is 11.5 GB. * Witness Printer took 64.88 ms. Allocated memory is still 3.9 GB. Free memory is still 1.9 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 24]: 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: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 30]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 20]: 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: 30]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 26]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 26]: 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, 127.6s OverallTime, 44 OverallIterations, 11 TraceHistogramMax, 12.4s AutomataDifference, 0.0s DeadEndRemovalTime, 98.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 1338 SDtfs, 6547 SDslu, 5841 SDs, 0 SdLazy, 1774 SolverSat, 1019 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2627 GetRequests, 2308 SyntacticMatches, 0 SemanticMatches, 319 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2365 ImplicationChecksByTransitivity, 2.1s 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: 11.8s AutomataMinimizationTime, 44 MinimizatonAttempts, 134917 StatesRemovedByMinimization, 40 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 5 PreInvPairs, 1771 NumberOfFragments, 5696 HoareAnnotationTreeSize, 5 FomulaSimplifications, 618286 FormulaSimplificationTreeSizeReduction, 43.6s HoareSimplificationTime, 5 FomulaSimplificationsInter, 91469 FormulaSimplificationTreeSizeReductionInter, 54.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 2.5s 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...