./Ultimate.py --spec ../../sv-benchmarks/c/NoOverflows.prp --file ../../sv-benchmarks/c/termination-crafted/Toulouse-MultiBranchesToLoop_false-no-overflow.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_d4ac9705-495f-4b50-84c8-10e7ed94b9f7/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d4ac9705-495f-4b50-84c8-10e7ed94b9f7/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d4ac9705-495f-4b50-84c8-10e7ed94b9f7/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d4ac9705-495f-4b50-84c8-10e7ed94b9f7/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-crafted/Toulouse-MultiBranchesToLoop_false-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_d4ac9705-495f-4b50-84c8-10e7ed94b9f7/bin-2019/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d4ac9705-495f-4b50-84c8-10e7ed94b9f7/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 4f493a0ec5685991b86ced08697f863f174636a1 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW) --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 08:34:29,191 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 08:34:29,192 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 08:34:29,199 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 08:34:29,199 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 08:34:29,199 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 08:34:29,200 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 08:34:29,201 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 08:34:29,202 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 08:34:29,203 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 08:34:29,204 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 08:34:29,204 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 08:34:29,205 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 08:34:29,205 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 08:34:29,206 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 08:34:29,207 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 08:34:29,207 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 08:34:29,208 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 08:34:29,210 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 08:34:29,211 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 08:34:29,211 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 08:34:29,212 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 08:34:29,214 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 08:34:29,214 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 08:34:29,214 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 08:34:29,215 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 08:34:29,216 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 08:34:29,216 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 08:34:29,217 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 08:34:29,217 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 08:34:29,218 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 08:34:29,218 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 08:34:29,218 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 08:34:29,218 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 08:34:29,219 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 08:34:29,219 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 08:34:29,220 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d4ac9705-495f-4b50-84c8-10e7ed94b9f7/bin-2019/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf [2018-11-18 08:34:29,230 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 08:34:29,230 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 08:34:29,231 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 08:34:29,231 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 08:34:29,231 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 08:34:29,231 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 08:34:29,231 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 08:34:29,232 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 08:34:29,232 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 08:34:29,232 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 08:34:29,232 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 08:34:29,232 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 08:34:29,232 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 08:34:29,232 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 08:34:29,232 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-11-18 08:34:29,232 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 08:34:29,233 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 08:34:29,233 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 08:34:29,233 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 08:34:29,233 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 08:34:29,233 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 08:34:29,233 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 08:34:29,233 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 08:34:29,233 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 08:34:29,234 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 08:34:29,234 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 08:34:29,234 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 08:34:29,234 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 08:34:29,234 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 08:34:29,234 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_d4ac9705-495f-4b50-84c8-10e7ed94b9f7/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 -> 4f493a0ec5685991b86ced08697f863f174636a1 [2018-11-18 08:34:29,259 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 08:34:29,269 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 08:34:29,272 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 08:34:29,273 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 08:34:29,273 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 08:34:29,274 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d4ac9705-495f-4b50-84c8-10e7ed94b9f7/bin-2019/uautomizer/../../sv-benchmarks/c/termination-crafted/Toulouse-MultiBranchesToLoop_false-no-overflow.c [2018-11-18 08:34:29,321 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d4ac9705-495f-4b50-84c8-10e7ed94b9f7/bin-2019/uautomizer/data/696d7bbea/63afab26a855454691315afd5f00426e/FLAG7684cdce4 [2018-11-18 08:34:29,721 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 08:34:29,721 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d4ac9705-495f-4b50-84c8-10e7ed94b9f7/sv-benchmarks/c/termination-crafted/Toulouse-MultiBranchesToLoop_false-no-overflow.c [2018-11-18 08:34:29,725 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d4ac9705-495f-4b50-84c8-10e7ed94b9f7/bin-2019/uautomizer/data/696d7bbea/63afab26a855454691315afd5f00426e/FLAG7684cdce4 [2018-11-18 08:34:29,736 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d4ac9705-495f-4b50-84c8-10e7ed94b9f7/bin-2019/uautomizer/data/696d7bbea/63afab26a855454691315afd5f00426e [2018-11-18 08:34:29,739 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 08:34:29,740 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-18 08:34:29,741 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 08:34:29,741 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 08:34:29,744 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 08:34:29,745 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:34:29" (1/1) ... [2018-11-18 08:34:29,747 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68c4f020 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29, skipping insertion in model container [2018-11-18 08:34:29,747 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:34:29" (1/1) ... [2018-11-18 08:34:29,753 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 08:34:29,766 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 08:34:29,873 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 08:34:29,876 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 08:34:29,888 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 08:34:29,896 INFO L195 MainTranslator]: Completed translation [2018-11-18 08:34:29,896 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29 WrapperNode [2018-11-18 08:34:29,896 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 08:34:29,897 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 08:34:29,897 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 08:34:29,897 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 08:34:29,907 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29" (1/1) ... [2018-11-18 08:34:29,907 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29" (1/1) ... [2018-11-18 08:34:29,911 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29" (1/1) ... [2018-11-18 08:34:29,912 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29" (1/1) ... [2018-11-18 08:34:29,915 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29" (1/1) ... [2018-11-18 08:34:29,919 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29" (1/1) ... [2018-11-18 08:34:29,921 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29" (1/1) ... [2018-11-18 08:34:29,922 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 08:34:29,922 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 08:34:29,922 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 08:34:29,923 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 08:34:29,923 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d4ac9705-495f-4b50-84c8-10e7ed94b9f7/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 08:34:30,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 08:34:30,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 08:34:30,004 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 08:34:30,004 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-18 08:34:30,004 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 08:34:30,004 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 08:34:30,004 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 08:34:30,219 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 08:34:30,219 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:34:30 BoogieIcfgContainer [2018-11-18 08:34:30,219 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 08:34:30,220 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 08:34:30,220 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 08:34:30,223 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 08:34:30,223 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 08:34:29" (1/3) ... [2018-11-18 08:34:30,224 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e25c9f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:34:30, skipping insertion in model container [2018-11-18 08:34:30,224 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29" (2/3) ... [2018-11-18 08:34:30,225 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e25c9f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:34:30, skipping insertion in model container [2018-11-18 08:34:30,225 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:34:30" (3/3) ... [2018-11-18 08:34:30,226 INFO L112 eAbstractionObserver]: Analyzing ICFG Toulouse-MultiBranchesToLoop_false-no-overflow.c [2018-11-18 08:34:30,235 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 08:34:30,243 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 36 error locations. [2018-11-18 08:34:30,254 INFO L257 AbstractCegarLoop]: Starting to check reachability of 36 error locations. [2018-11-18 08:34:30,276 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 08:34:30,276 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 08:34:30,276 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 08:34:30,277 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 08:34:30,277 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 08:34:30,277 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 08:34:30,277 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 08:34:30,277 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 08:34:30,277 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 08:34:30,293 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states. [2018-11-18 08:34:30,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-18 08:34:30,297 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:34:30,298 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:34:30,300 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 08:34:30,303 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:30,304 INFO L82 PathProgramCache]: Analyzing trace with hash 1812713781, now seen corresponding path program 1 times [2018-11-18 08:34:30,305 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:30,305 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:30,340 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:30,340 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:30,340 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:30,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:34:30,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:34:30,404 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:34:30,404 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 08:34:30,407 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 08:34:30,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 08:34:30,416 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 08:34:30,417 INFO L87 Difference]: Start difference. First operand 93 states. Second operand 3 states. [2018-11-18 08:34:30,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:34:30,615 INFO L93 Difference]: Finished difference Result 189 states and 224 transitions. [2018-11-18 08:34:30,616 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 08:34:30,617 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2018-11-18 08:34:30,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:34:30,624 INFO L225 Difference]: With dead ends: 189 [2018-11-18 08:34:30,624 INFO L226 Difference]: Without dead ends: 98 [2018-11-18 08:34:30,626 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 08:34:30,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2018-11-18 08:34:30,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 88. [2018-11-18 08:34:30,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2018-11-18 08:34:30,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 97 transitions. [2018-11-18 08:34:30,652 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 97 transitions. Word has length 8 [2018-11-18 08:34:30,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:34:30,652 INFO L480 AbstractCegarLoop]: Abstraction has 88 states and 97 transitions. [2018-11-18 08:34:30,652 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 08:34:30,652 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 97 transitions. [2018-11-18 08:34:30,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-18 08:34:30,653 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:34:30,653 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:34:30,653 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 08:34:30,654 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:30,654 INFO L82 PathProgramCache]: Analyzing trace with hash 1812713589, now seen corresponding path program 1 times [2018-11-18 08:34:30,654 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:30,654 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:30,655 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:30,655 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:30,655 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:30,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:34:30,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:34:30,677 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:34:30,677 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 08:34:30,678 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 08:34:30,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 08:34:30,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 08:34:30,679 INFO L87 Difference]: Start difference. First operand 88 states and 97 transitions. Second operand 3 states. [2018-11-18 08:34:30,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:34:30,837 INFO L93 Difference]: Finished difference Result 119 states and 128 transitions. [2018-11-18 08:34:30,838 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 08:34:30,838 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2018-11-18 08:34:30,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:34:30,839 INFO L225 Difference]: With dead ends: 119 [2018-11-18 08:34:30,839 INFO L226 Difference]: Without dead ends: 103 [2018-11-18 08:34:30,840 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 08:34:30,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2018-11-18 08:34:30,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 86. [2018-11-18 08:34:30,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2018-11-18 08:34:30,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 95 transitions. [2018-11-18 08:34:30,846 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 95 transitions. Word has length 8 [2018-11-18 08:34:30,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:34:30,846 INFO L480 AbstractCegarLoop]: Abstraction has 86 states and 95 transitions. [2018-11-18 08:34:30,846 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 08:34:30,846 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 95 transitions. [2018-11-18 08:34:30,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-18 08:34:30,846 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:34:30,846 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:34:30,847 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 08:34:30,847 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:30,848 INFO L82 PathProgramCache]: Analyzing trace with hash 359611998, now seen corresponding path program 1 times [2018-11-18 08:34:30,848 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:30,848 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:30,849 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:30,849 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:30,849 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:30,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:34:30,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:34:30,874 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:34:30,874 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 08:34:30,874 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 08:34:30,874 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 08:34:30,875 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 08:34:30,875 INFO L87 Difference]: Start difference. First operand 86 states and 95 transitions. Second operand 3 states. [2018-11-18 08:34:30,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:34:30,971 INFO L93 Difference]: Finished difference Result 96 states and 105 transitions. [2018-11-18 08:34:30,972 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 08:34:30,972 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2018-11-18 08:34:30,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:34:30,973 INFO L225 Difference]: With dead ends: 96 [2018-11-18 08:34:30,973 INFO L226 Difference]: Without dead ends: 95 [2018-11-18 08:34:30,974 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 08:34:30,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2018-11-18 08:34:30,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 85. [2018-11-18 08:34:30,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2018-11-18 08:34:30,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 94 transitions. [2018-11-18 08:34:30,979 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 94 transitions. Word has length 9 [2018-11-18 08:34:30,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:34:30,979 INFO L480 AbstractCegarLoop]: Abstraction has 85 states and 94 transitions. [2018-11-18 08:34:30,979 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 08:34:30,979 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 94 transitions. [2018-11-18 08:34:30,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-18 08:34:30,980 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:34:30,980 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:34:30,981 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 08:34:30,981 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:30,981 INFO L82 PathProgramCache]: Analyzing trace with hash 1926764284, now seen corresponding path program 1 times [2018-11-18 08:34:30,981 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:30,981 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:30,983 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:30,983 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:30,983 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:30,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:34:31,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:34:31,009 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:34:31,009 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 08:34:31,009 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 08:34:31,009 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 08:34:31,010 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 08:34:31,010 INFO L87 Difference]: Start difference. First operand 85 states and 94 transitions. Second operand 4 states. [2018-11-18 08:34:31,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:34:31,133 INFO L93 Difference]: Finished difference Result 136 states and 145 transitions. [2018-11-18 08:34:31,134 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 08:34:31,134 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2018-11-18 08:34:31,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:34:31,134 INFO L225 Difference]: With dead ends: 136 [2018-11-18 08:34:31,135 INFO L226 Difference]: Without dead ends: 129 [2018-11-18 08:34:31,135 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 08:34:31,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2018-11-18 08:34:31,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 101. [2018-11-18 08:34:31,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2018-11-18 08:34:31,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 110 transitions. [2018-11-18 08:34:31,140 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 110 transitions. Word has length 11 [2018-11-18 08:34:31,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:34:31,140 INFO L480 AbstractCegarLoop]: Abstraction has 101 states and 110 transitions. [2018-11-18 08:34:31,140 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 08:34:31,140 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 110 transitions. [2018-11-18 08:34:31,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-18 08:34:31,140 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:34:31,141 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:34:31,141 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 08:34:31,141 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:31,142 INFO L82 PathProgramCache]: Analyzing trace with hash 1552658819, now seen corresponding path program 1 times [2018-11-18 08:34:31,142 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:31,142 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:31,143 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:31,143 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:31,143 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:31,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:34:31,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:34:31,166 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:34:31,166 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 08:34:31,166 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 08:34:31,166 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 08:34:31,167 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 08:34:31,167 INFO L87 Difference]: Start difference. First operand 101 states and 110 transitions. Second operand 4 states. [2018-11-18 08:34:31,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:34:31,254 INFO L93 Difference]: Finished difference Result 111 states and 120 transitions. [2018-11-18 08:34:31,254 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 08:34:31,254 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2018-11-18 08:34:31,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:34:31,255 INFO L225 Difference]: With dead ends: 111 [2018-11-18 08:34:31,255 INFO L226 Difference]: Without dead ends: 110 [2018-11-18 08:34:31,255 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 08:34:31,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2018-11-18 08:34:31,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 100. [2018-11-18 08:34:31,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2018-11-18 08:34:31,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 109 transitions. [2018-11-18 08:34:31,261 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 109 transitions. Word has length 12 [2018-11-18 08:34:31,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:34:31,261 INFO L480 AbstractCegarLoop]: Abstraction has 100 states and 109 transitions. [2018-11-18 08:34:31,262 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 08:34:31,262 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 109 transitions. [2018-11-18 08:34:31,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-18 08:34:31,262 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:34:31,262 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:34:31,263 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 08:34:31,263 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:31,263 INFO L82 PathProgramCache]: Analyzing trace with hash -2003065501, now seen corresponding path program 1 times [2018-11-18 08:34:31,264 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:31,264 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:31,265 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:31,265 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:31,265 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:31,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:34:31,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:34:31,303 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:34:31,303 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 08:34:31,303 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 08:34:31,303 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 08:34:31,304 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-11-18 08:34:31,304 INFO L87 Difference]: Start difference. First operand 100 states and 109 transitions. Second operand 5 states. [2018-11-18 08:34:31,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:34:31,440 INFO L93 Difference]: Finished difference Result 158 states and 167 transitions. [2018-11-18 08:34:31,440 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 08:34:31,440 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2018-11-18 08:34:31,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:34:31,441 INFO L225 Difference]: With dead ends: 158 [2018-11-18 08:34:31,441 INFO L226 Difference]: Without dead ends: 152 [2018-11-18 08:34:31,441 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-11-18 08:34:31,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2018-11-18 08:34:31,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 110. [2018-11-18 08:34:31,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2018-11-18 08:34:31,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 119 transitions. [2018-11-18 08:34:31,447 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 119 transitions. Word has length 14 [2018-11-18 08:34:31,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:34:31,447 INFO L480 AbstractCegarLoop]: Abstraction has 110 states and 119 transitions. [2018-11-18 08:34:31,447 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 08:34:31,448 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 119 transitions. [2018-11-18 08:34:31,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-18 08:34:31,448 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:34:31,448 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:34:31,449 INFO L423 AbstractCegarLoop]: === Iteration 7 === [mainErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 08:34:31,449 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:31,449 INFO L82 PathProgramCache]: Analyzing trace with hash -1538824564, now seen corresponding path program 1 times [2018-11-18 08:34:31,450 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:31,450 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:31,451 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:31,451 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:31,451 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:31,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:34:31,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:34:31,470 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:34:31,470 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 08:34:31,470 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 08:34:31,471 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 08:34:31,471 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-11-18 08:34:31,471 INFO L87 Difference]: Start difference. First operand 110 states and 119 transitions. Second operand 5 states. [2018-11-18 08:34:31,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:34:31,567 INFO L93 Difference]: Finished difference Result 120 states and 129 transitions. [2018-11-18 08:34:31,567 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 08:34:31,568 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2018-11-18 08:34:31,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:34:31,568 INFO L225 Difference]: With dead ends: 120 [2018-11-18 08:34:31,568 INFO L226 Difference]: Without dead ends: 119 [2018-11-18 08:34:31,569 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-11-18 08:34:31,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2018-11-18 08:34:31,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 109. [2018-11-18 08:34:31,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2018-11-18 08:34:31,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 118 transitions. [2018-11-18 08:34:31,572 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 118 transitions. Word has length 15 [2018-11-18 08:34:31,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:34:31,573 INFO L480 AbstractCegarLoop]: Abstraction has 109 states and 118 transitions. [2018-11-18 08:34:31,573 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 08:34:31,573 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 118 transitions. [2018-11-18 08:34:31,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-18 08:34:31,573 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:34:31,573 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:34:31,574 INFO L423 AbstractCegarLoop]: === Iteration 8 === [mainErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 08:34:31,574 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:31,574 INFO L82 PathProgramCache]: Analyzing trace with hash 951345130, now seen corresponding path program 1 times [2018-11-18 08:34:31,574 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:31,575 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:31,575 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:31,576 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:31,576 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:31,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:34:31,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:34:31,601 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:34:31,602 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 08:34:31,602 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 08:34:31,602 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 08:34:31,602 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2018-11-18 08:34:31,602 INFO L87 Difference]: Start difference. First operand 109 states and 118 transitions. Second operand 6 states. [2018-11-18 08:34:31,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:34:31,740 INFO L93 Difference]: Finished difference Result 177 states and 186 transitions. [2018-11-18 08:34:31,740 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 08:34:31,740 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 17 [2018-11-18 08:34:31,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:34:31,741 INFO L225 Difference]: With dead ends: 177 [2018-11-18 08:34:31,741 INFO L226 Difference]: Without dead ends: 172 [2018-11-18 08:34:31,742 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2018-11-18 08:34:31,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2018-11-18 08:34:31,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 113. [2018-11-18 08:34:31,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2018-11-18 08:34:31,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 122 transitions. [2018-11-18 08:34:31,746 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 122 transitions. Word has length 17 [2018-11-18 08:34:31,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:34:31,746 INFO L480 AbstractCegarLoop]: Abstraction has 113 states and 122 transitions. [2018-11-18 08:34:31,746 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 08:34:31,746 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 122 transitions. [2018-11-18 08:34:31,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-18 08:34:31,747 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:34:31,747 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:34:31,750 INFO L423 AbstractCegarLoop]: === Iteration 9 === [mainErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 08:34:31,750 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:31,751 INFO L82 PathProgramCache]: Analyzing trace with hash 1358421809, now seen corresponding path program 1 times [2018-11-18 08:34:31,751 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:31,751 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:31,752 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:31,752 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:31,752 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:31,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:34:31,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:34:31,774 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:34:31,774 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 08:34:31,775 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 08:34:31,775 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 08:34:31,775 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2018-11-18 08:34:31,775 INFO L87 Difference]: Start difference. First operand 113 states and 122 transitions. Second operand 6 states. [2018-11-18 08:34:31,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:34:31,840 INFO L93 Difference]: Finished difference Result 123 states and 132 transitions. [2018-11-18 08:34:31,840 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 08:34:31,841 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 18 [2018-11-18 08:34:31,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:34:31,842 INFO L225 Difference]: With dead ends: 123 [2018-11-18 08:34:31,842 INFO L226 Difference]: Without dead ends: 122 [2018-11-18 08:34:31,842 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2018-11-18 08:34:31,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2018-11-18 08:34:31,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 112. [2018-11-18 08:34:31,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2018-11-18 08:34:31,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 121 transitions. [2018-11-18 08:34:31,844 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 121 transitions. Word has length 18 [2018-11-18 08:34:31,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:34:31,845 INFO L480 AbstractCegarLoop]: Abstraction has 112 states and 121 transitions. [2018-11-18 08:34:31,845 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 08:34:31,845 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 121 transitions. [2018-11-18 08:34:31,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-18 08:34:31,845 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:34:31,845 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:34:31,846 INFO L423 AbstractCegarLoop]: === Iteration 10 === [mainErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 08:34:31,846 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:31,846 INFO L82 PathProgramCache]: Analyzing trace with hash -966329775, now seen corresponding path program 1 times [2018-11-18 08:34:31,846 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:31,846 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:31,847 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:31,847 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:31,847 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:31,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:34:31,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:34:31,886 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:34:31,887 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 08:34:31,887 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 08:34:31,887 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 08:34:31,887 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2018-11-18 08:34:31,887 INFO L87 Difference]: Start difference. First operand 112 states and 121 transitions. Second operand 7 states. [2018-11-18 08:34:32,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:34:32,067 INFO L93 Difference]: Finished difference Result 193 states and 202 transitions. [2018-11-18 08:34:32,067 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 08:34:32,067 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 20 [2018-11-18 08:34:32,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:34:32,068 INFO L225 Difference]: With dead ends: 193 [2018-11-18 08:34:32,068 INFO L226 Difference]: Without dead ends: 189 [2018-11-18 08:34:32,068 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2018-11-18 08:34:32,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2018-11-18 08:34:32,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 110. [2018-11-18 08:34:32,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2018-11-18 08:34:32,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 119 transitions. [2018-11-18 08:34:32,071 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 119 transitions. Word has length 20 [2018-11-18 08:34:32,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:34:32,071 INFO L480 AbstractCegarLoop]: Abstraction has 110 states and 119 transitions. [2018-11-18 08:34:32,071 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 08:34:32,071 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 119 transitions. [2018-11-18 08:34:32,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 08:34:32,072 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:34:32,072 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:34:32,073 INFO L423 AbstractCegarLoop]: === Iteration 11 === [mainErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 08:34:32,073 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:32,073 INFO L82 PathProgramCache]: Analyzing trace with hash 1562353338, now seen corresponding path program 1 times [2018-11-18 08:34:32,073 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:32,073 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:32,074 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:32,074 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:32,074 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:32,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:34:32,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:34:32,115 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:34:32,115 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 08:34:32,115 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 08:34:32,115 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 08:34:32,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2018-11-18 08:34:32,115 INFO L87 Difference]: Start difference. First operand 110 states and 119 transitions. Second operand 7 states. [2018-11-18 08:34:32,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:34:32,199 INFO L93 Difference]: Finished difference Result 120 states and 129 transitions. [2018-11-18 08:34:32,199 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 08:34:32,199 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 21 [2018-11-18 08:34:32,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:34:32,200 INFO L225 Difference]: With dead ends: 120 [2018-11-18 08:34:32,200 INFO L226 Difference]: Without dead ends: 119 [2018-11-18 08:34:32,200 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2018-11-18 08:34:32,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2018-11-18 08:34:32,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 109. [2018-11-18 08:34:32,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2018-11-18 08:34:32,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 118 transitions. [2018-11-18 08:34:32,203 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 118 transitions. Word has length 21 [2018-11-18 08:34:32,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:34:32,204 INFO L480 AbstractCegarLoop]: Abstraction has 109 states and 118 transitions. [2018-11-18 08:34:32,204 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 08:34:32,204 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 118 transitions. [2018-11-18 08:34:32,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-18 08:34:32,204 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:34:32,204 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:34:32,205 INFO L423 AbstractCegarLoop]: === Iteration 12 === [mainErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 08:34:32,205 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:32,205 INFO L82 PathProgramCache]: Analyzing trace with hash 1235560664, now seen corresponding path program 1 times [2018-11-18 08:34:32,206 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:32,206 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:32,207 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:32,207 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:32,207 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:32,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:34:32,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:34:32,256 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:34:32,256 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 08:34:32,256 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 08:34:32,256 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 08:34:32,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2018-11-18 08:34:32,257 INFO L87 Difference]: Start difference. First operand 109 states and 118 transitions. Second operand 8 states. [2018-11-18 08:34:32,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:34:32,489 INFO L93 Difference]: Finished difference Result 206 states and 215 transitions. [2018-11-18 08:34:32,492 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 08:34:32,493 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 23 [2018-11-18 08:34:32,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:34:32,493 INFO L225 Difference]: With dead ends: 206 [2018-11-18 08:34:32,493 INFO L226 Difference]: Without dead ends: 203 [2018-11-18 08:34:32,493 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2018-11-18 08:34:32,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2018-11-18 08:34:32,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 101. [2018-11-18 08:34:32,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2018-11-18 08:34:32,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 110 transitions. [2018-11-18 08:34:32,495 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 110 transitions. Word has length 23 [2018-11-18 08:34:32,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:34:32,495 INFO L480 AbstractCegarLoop]: Abstraction has 101 states and 110 transitions. [2018-11-18 08:34:32,496 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 08:34:32,496 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 110 transitions. [2018-11-18 08:34:32,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-18 08:34:32,496 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:34:32,496 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:34:32,497 INFO L423 AbstractCegarLoop]: === Iteration 13 === [mainErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 08:34:32,497 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:32,497 INFO L82 PathProgramCache]: Analyzing trace with hash -492176161, now seen corresponding path program 1 times [2018-11-18 08:34:32,497 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:32,497 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:32,498 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:32,498 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:32,498 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:32,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:34:32,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:34:32,535 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:34:32,535 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 08:34:32,535 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 08:34:32,535 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 08:34:32,535 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2018-11-18 08:34:32,535 INFO L87 Difference]: Start difference. First operand 101 states and 110 transitions. Second operand 8 states. [2018-11-18 08:34:32,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:34:32,600 INFO L93 Difference]: Finished difference Result 111 states and 120 transitions. [2018-11-18 08:34:32,600 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 08:34:32,600 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 24 [2018-11-18 08:34:32,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:34:32,601 INFO L225 Difference]: With dead ends: 111 [2018-11-18 08:34:32,601 INFO L226 Difference]: Without dead ends: 110 [2018-11-18 08:34:32,601 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2018-11-18 08:34:32,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2018-11-18 08:34:32,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 100. [2018-11-18 08:34:32,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2018-11-18 08:34:32,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 109 transitions. [2018-11-18 08:34:32,603 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 109 transitions. Word has length 24 [2018-11-18 08:34:32,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:34:32,603 INFO L480 AbstractCegarLoop]: Abstraction has 100 states and 109 transitions. [2018-11-18 08:34:32,603 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 08:34:32,603 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 109 transitions. [2018-11-18 08:34:32,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 08:34:32,604 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:34:32,604 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:34:32,605 INFO L423 AbstractCegarLoop]: === Iteration 14 === [mainErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 08:34:32,605 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:32,605 INFO L82 PathProgramCache]: Analyzing trace with hash 718131007, now seen corresponding path program 1 times [2018-11-18 08:34:32,605 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:32,605 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:32,606 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:32,606 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:32,606 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:32,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:34:32,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:34:32,641 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:34:32,641 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-18 08:34:32,641 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 08:34:32,641 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 08:34:32,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2018-11-18 08:34:32,641 INFO L87 Difference]: Start difference. First operand 100 states and 109 transitions. Second operand 9 states. [2018-11-18 08:34:32,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:34:32,874 INFO L93 Difference]: Finished difference Result 216 states and 225 transitions. [2018-11-18 08:34:32,874 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-18 08:34:32,874 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 26 [2018-11-18 08:34:32,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:34:32,875 INFO L225 Difference]: With dead ends: 216 [2018-11-18 08:34:32,875 INFO L226 Difference]: Without dead ends: 214 [2018-11-18 08:34:32,876 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2018-11-18 08:34:32,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2018-11-18 08:34:32,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 86. [2018-11-18 08:34:32,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2018-11-18 08:34:32,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 95 transitions. [2018-11-18 08:34:32,878 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 95 transitions. Word has length 26 [2018-11-18 08:34:32,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:34:32,879 INFO L480 AbstractCegarLoop]: Abstraction has 86 states and 95 transitions. [2018-11-18 08:34:32,879 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 08:34:32,879 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 95 transitions. [2018-11-18 08:34:32,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-18 08:34:32,879 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:34:32,879 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:34:32,880 INFO L423 AbstractCegarLoop]: === Iteration 15 === [mainErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 08:34:32,880 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:32,881 INFO L82 PathProgramCache]: Analyzing trace with hash 598468328, now seen corresponding path program 1 times [2018-11-18 08:34:32,881 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:32,881 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:32,881 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:32,881 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:32,882 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:32,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:34:32,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:34:32,922 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:34:32,922 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-18 08:34:32,922 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 08:34:32,923 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 08:34:32,923 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2018-11-18 08:34:32,923 INFO L87 Difference]: Start difference. First operand 86 states and 95 transitions. Second operand 9 states. [2018-11-18 08:34:33,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:34:33,016 INFO L93 Difference]: Finished difference Result 96 states and 105 transitions. [2018-11-18 08:34:33,016 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-18 08:34:33,016 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 27 [2018-11-18 08:34:33,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:34:33,017 INFO L225 Difference]: With dead ends: 96 [2018-11-18 08:34:33,017 INFO L226 Difference]: Without dead ends: 95 [2018-11-18 08:34:33,017 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2018-11-18 08:34:33,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2018-11-18 08:34:33,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 85. [2018-11-18 08:34:33,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2018-11-18 08:34:33,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 94 transitions. [2018-11-18 08:34:33,019 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 94 transitions. Word has length 27 [2018-11-18 08:34:33,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:34:33,019 INFO L480 AbstractCegarLoop]: Abstraction has 85 states and 94 transitions. [2018-11-18 08:34:33,020 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 08:34:33,020 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 94 transitions. [2018-11-18 08:34:33,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-18 08:34:33,020 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:34:33,020 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:34:33,021 INFO L423 AbstractCegarLoop]: === Iteration 16 === [mainErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 08:34:33,021 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:33,021 INFO L82 PathProgramCache]: Analyzing trace with hash 608858566, now seen corresponding path program 1 times [2018-11-18 08:34:33,021 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:33,021 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:33,022 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:33,022 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:33,022 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:33,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:34:33,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:34:33,077 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:34:33,077 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-18 08:34:33,077 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 08:34:33,077 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 08:34:33,077 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2018-11-18 08:34:33,077 INFO L87 Difference]: Start difference. First operand 85 states and 94 transitions. Second operand 10 states. [2018-11-18 08:34:33,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:34:33,379 INFO L93 Difference]: Finished difference Result 223 states and 232 transitions. [2018-11-18 08:34:33,379 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-18 08:34:33,379 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 29 [2018-11-18 08:34:33,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:34:33,380 INFO L225 Difference]: With dead ends: 223 [2018-11-18 08:34:33,380 INFO L226 Difference]: Without dead ends: 222 [2018-11-18 08:34:33,380 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2018-11-18 08:34:33,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2018-11-18 08:34:33,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 65. [2018-11-18 08:34:33,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2018-11-18 08:34:33,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 74 transitions. [2018-11-18 08:34:33,383 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 74 transitions. Word has length 29 [2018-11-18 08:34:33,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:34:33,383 INFO L480 AbstractCegarLoop]: Abstraction has 65 states and 74 transitions. [2018-11-18 08:34:33,384 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 08:34:33,384 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 74 transitions. [2018-11-18 08:34:33,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-18 08:34:33,384 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:34:33,384 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:34:33,385 INFO L423 AbstractCegarLoop]: === Iteration 17 === [mainErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 08:34:33,385 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:33,385 INFO L82 PathProgramCache]: Analyzing trace with hash 560859789, now seen corresponding path program 1 times [2018-11-18 08:34:33,385 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:33,385 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:33,386 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:33,386 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:33,386 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:33,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:34:33,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:34:33,443 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:34:33,443 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-18 08:34:33,443 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 08:34:33,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 08:34:33,443 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2018-11-18 08:34:33,443 INFO L87 Difference]: Start difference. First operand 65 states and 74 transitions. Second operand 10 states. [2018-11-18 08:34:33,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:34:33,548 INFO L93 Difference]: Finished difference Result 75 states and 84 transitions. [2018-11-18 08:34:33,549 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-18 08:34:33,549 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 30 [2018-11-18 08:34:33,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:34:33,550 INFO L225 Difference]: With dead ends: 75 [2018-11-18 08:34:33,550 INFO L226 Difference]: Without dead ends: 74 [2018-11-18 08:34:33,550 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2018-11-18 08:34:33,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2018-11-18 08:34:33,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 64. [2018-11-18 08:34:33,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2018-11-18 08:34:33,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 73 transitions. [2018-11-18 08:34:33,552 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 73 transitions. Word has length 30 [2018-11-18 08:34:33,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:34:33,552 INFO L480 AbstractCegarLoop]: Abstraction has 64 states and 73 transitions. [2018-11-18 08:34:33,552 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 08:34:33,552 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 73 transitions. [2018-11-18 08:34:33,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-18 08:34:33,552 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:34:33,552 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:34:33,553 INFO L423 AbstractCegarLoop]: === Iteration 18 === [mainErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 08:34:33,553 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:33,553 INFO L82 PathProgramCache]: Analyzing trace with hash 852779666, now seen corresponding path program 1 times [2018-11-18 08:34:33,553 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:33,553 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:33,554 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:33,554 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:33,554 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:33,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:34:33,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:34:33,628 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:34:33,628 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-11-18 08:34:33,629 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-18 08:34:33,629 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-18 08:34:33,629 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=75, Unknown=0, NotChecked=0, Total=132 [2018-11-18 08:34:33,629 INFO L87 Difference]: Start difference. First operand 64 states and 73 transitions. Second operand 12 states. [2018-11-18 08:34:33,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:34:33,928 INFO L93 Difference]: Finished difference Result 213 states and 230 transitions. [2018-11-18 08:34:33,928 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-11-18 08:34:33,928 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 33 [2018-11-18 08:34:33,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:34:33,929 INFO L225 Difference]: With dead ends: 213 [2018-11-18 08:34:33,929 INFO L226 Difference]: Without dead ends: 212 [2018-11-18 08:34:33,930 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=165, Invalid=255, Unknown=0, NotChecked=0, Total=420 [2018-11-18 08:34:33,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2018-11-18 08:34:33,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 63. [2018-11-18 08:34:33,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2018-11-18 08:34:33,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 72 transitions. [2018-11-18 08:34:33,931 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 72 transitions. Word has length 33 [2018-11-18 08:34:33,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:34:33,932 INFO L480 AbstractCegarLoop]: Abstraction has 63 states and 72 transitions. [2018-11-18 08:34:33,932 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-18 08:34:33,932 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 72 transitions. [2018-11-18 08:34:33,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-18 08:34:33,932 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:34:33,932 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:34:33,933 INFO L423 AbstractCegarLoop]: === Iteration 19 === [mainErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 08:34:33,933 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:33,933 INFO L82 PathProgramCache]: Analyzing trace with hash 666366035, now seen corresponding path program 1 times [2018-11-18 08:34:33,933 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:33,933 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:33,934 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:33,934 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:33,934 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:33,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:34:33,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:34:33,998 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:34:33,998 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-11-18 08:34:33,999 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-18 08:34:33,999 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-18 08:34:33,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=75, Unknown=0, NotChecked=0, Total=132 [2018-11-18 08:34:33,999 INFO L87 Difference]: Start difference. First operand 63 states and 72 transitions. Second operand 12 states. [2018-11-18 08:34:34,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:34:34,178 INFO L93 Difference]: Finished difference Result 173 states and 189 transitions. [2018-11-18 08:34:34,178 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-18 08:34:34,179 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 34 [2018-11-18 08:34:34,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:34:34,181 INFO L225 Difference]: With dead ends: 173 [2018-11-18 08:34:34,181 INFO L226 Difference]: Without dead ends: 172 [2018-11-18 08:34:34,181 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=165, Invalid=255, Unknown=0, NotChecked=0, Total=420 [2018-11-18 08:34:34,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2018-11-18 08:34:34,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 67. [2018-11-18 08:34:34,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2018-11-18 08:34:34,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 76 transitions. [2018-11-18 08:34:34,186 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 76 transitions. Word has length 34 [2018-11-18 08:34:34,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:34:34,186 INFO L480 AbstractCegarLoop]: Abstraction has 67 states and 76 transitions. [2018-11-18 08:34:34,186 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-18 08:34:34,186 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 76 transitions. [2018-11-18 08:34:34,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-18 08:34:34,187 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:34:34,187 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:34:34,187 INFO L423 AbstractCegarLoop]: === Iteration 20 === [mainErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 08:34:34,187 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:34,187 INFO L82 PathProgramCache]: Analyzing trace with hash 1332011605, now seen corresponding path program 1 times [2018-11-18 08:34:34,188 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:34,188 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:34,189 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:34,189 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:34,190 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:34,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:34:34,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:34:34,217 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-18 08:34:34,240 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 08:34:34 BoogieIcfgContainer [2018-11-18 08:34:34,240 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 08:34:34,240 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 08:34:34,240 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 08:34:34,240 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 08:34:34,241 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:34:30" (3/4) ... [2018-11-18 08:34:34,243 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-18 08:34:34,273 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_d4ac9705-495f-4b50-84c8-10e7ed94b9f7/bin-2019/uautomizer/witness.graphml [2018-11-18 08:34:34,273 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 08:34:34,273 INFO L168 Benchmark]: Toolchain (without parser) took 4533.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 201.3 MB). Free memory was 959.2 MB in the beginning and 1.1 GB in the end (delta: -152.7 MB). Peak memory consumption was 48.6 MB. Max. memory is 11.5 GB. [2018-11-18 08:34:34,274 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 08:34:34,274 INFO L168 Benchmark]: CACSL2BoogieTranslator took 155.64 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 948.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-18 08:34:34,275 INFO L168 Benchmark]: Boogie Preprocessor took 25.39 ms. Allocated memory is still 1.0 GB. Free memory was 948.5 MB in the beginning and 945.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 08:34:34,275 INFO L168 Benchmark]: RCFGBuilder took 297.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 160.4 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -192.4 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. [2018-11-18 08:34:34,275 INFO L168 Benchmark]: TraceAbstraction took 4019.77 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 40.9 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 21.0 MB). Peak memory consumption was 61.9 MB. Max. memory is 11.5 GB. [2018-11-18 08:34:34,276 INFO L168 Benchmark]: Witness Printer took 32.58 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 11.5 GB. [2018-11-18 08:34:34,278 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 155.64 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 948.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 25.39 ms. Allocated memory is still 1.0 GB. Free memory was 948.5 MB in the beginning and 945.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 297.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 160.4 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -192.4 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4019.77 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 40.9 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 21.0 MB). Peak memory consumption was 61.9 MB. Max. memory is 11.5 GB. * Witness Printer took 32.58 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 65]: integer overflow possible integer overflow possible We found a FailurePath: [L14] int x; [L15] int y; [L16] int z; [L17] y = __VERIFIER_nondet_int() [L18] z = __VERIFIER_nondet_int() [L19] COND FALSE !(__VERIFIER_nondet_int() != 0) [L22] x = -1 VAL [x=-1, y=-2147483640, z=0] [L24] COND FALSE !(x > 0) VAL [x=-1, y=-2147483640, z=0] [L27] EXPR x - 1 [L27] x = x - 1 VAL [x=-2, y=-2147483640, z=0] [L29] COND FALSE !(x > 0) VAL [x=-2, y=-2147483640, z=0] [L32] EXPR x - 1 [L32] x = x - 1 VAL [x=-3, y=-2147483640, z=0] [L34] COND FALSE !(x > 0) VAL [x=-3, y=-2147483640, z=0] [L37] EXPR x - 1 [L37] x = x - 1 VAL [x=-4, y=-2147483640, z=0] [L39] COND FALSE !(x > 0) VAL [x=-4, y=-2147483640, z=0] [L42] EXPR x - 1 [L42] x = x - 1 VAL [x=-5, y=-2147483640, z=0] [L44] COND FALSE !(x > 0) VAL [x=-5, y=-2147483640, z=0] [L47] EXPR x - 1 [L47] x = x - 1 VAL [x=-6, y=-2147483640, z=0] [L49] COND FALSE !(x > 0) VAL [x=-6, y=-2147483640, z=0] [L52] EXPR x - 1 [L52] x = x - 1 VAL [x=-7, y=-2147483640, z=0] [L54] COND FALSE !(x > 0) VAL [x=-7, y=-2147483640, z=0] [L57] EXPR x - 1 [L57] x = x - 1 VAL [x=-8, y=-2147483640, z=0] [L59] COND FALSE !(x > 0) VAL [x=-8, y=-2147483640, z=0] [L62] EXPR x - 1 [L62] x = x - 1 VAL [x=-9, y=-2147483640, z=0] [L64] COND TRUE y<100 && z<100 VAL [x=-9, y=-2147483640, z=0] [L65] y+x VAL [x=-9, y=-2147483640, z=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 93 locations, 36 error locations. UNSAFE Result, 3.9s OverallTime, 20 OverallIterations, 1 TraceHistogramMax, 2.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 599 SDtfs, 1866 SDslu, 614 SDs, 0 SdLazy, 5236 SolverSat, 720 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 131 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 111 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=113occurred in iteration=8, 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: 0.0s AutomataMinimizationTime, 19 MinimizatonAttempts, 956 StatesRemovedByMinimization, 19 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 413 NumberOfCodeBlocks, 413 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 360 ConstructedInterpolants, 0 QuantifiedInterpolants, 28424 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 19 InterpolantComputations, 19 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...