./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/soft_float_4-2a.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_4be81014-3c97-40b6-8d25-38d735e6e6bf/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_4be81014-3c97-40b6-8d25-38d735e6e6bf/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_4be81014-3c97-40b6-8d25-38d735e6e6bf/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_4be81014-3c97-40b6-8d25-38d735e6e6bf/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/bitvector/soft_float_4-2a.c.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_4be81014-3c97-40b6-8d25-38d735e6e6bf/bin/uautomizer/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_4be81014-3c97-40b6-8d25-38d735e6e6bf/bin/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 32bit --witnessprinter.graph.data.programhash 94419cb5ed7b14b2ed497048686126b88cc40ca2 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud-vcloud-master/worker/working_dir_4be81014-3c97-40b6-8d25-38d735e6e6bf/bin/uautomizer/config using search string *Overflow*32bit*_Bitvector*.epf No suitable settings file found using Overflow*32bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 08:54:13,039 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:54:13,041 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:54:13,050 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 08:54:13,050 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 08:54:13,051 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 08:54:13,052 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 08:54:13,053 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 08:54:13,054 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 08:54:13,055 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 08:54:13,056 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 08:54:13,057 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 08:54:13,057 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:54:13,058 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:54:13,059 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:54:13,060 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:54:13,060 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:54:13,061 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:54:13,063 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:54:13,064 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:54:13,066 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:54:13,067 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:54:13,068 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:54:13,069 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:54:13,071 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 08:54:13,071 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 08:54:13,071 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 08:54:13,072 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 08:54:13,073 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 08:54:13,074 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 08:54:13,074 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:54:13,075 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:54:13,075 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:54:13,076 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:54:13,077 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:54:13,077 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:54:13,078 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:54:13,078 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:54:13,079 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:54:13,080 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:54:13,080 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:54:13,081 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_4be81014-3c97-40b6-8d25-38d735e6e6bf/bin/uautomizer/config/svcomp-Overflow-32bit-Automizer_Default.epf [2019-10-22 08:54:13,092 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:54:13,093 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:54:13,094 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:54:13,094 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:54:13,094 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:54:13,094 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:54:13,094 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 08:54:13,094 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 08:54:13,095 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 08:54:13,095 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 08:54:13,095 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:54:13,095 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 08:54:13,095 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 08:54:13,095 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 08:54:13,095 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-10-22 08:54:13,096 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 08:54:13,096 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 08:54:13,096 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:54:13,096 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 08:54:13,097 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:54:13,097 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:54:13,097 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 08:54:13,097 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 08:54:13,097 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 08:54:13,097 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:54:13,097 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 08:54:13,098 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 08:54:13,098 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 08:54:13,098 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 08:54:13,098 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 08:54:13,098 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_4be81014-3c97-40b6-8d25-38d735e6e6bf/bin/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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 94419cb5ed7b14b2ed497048686126b88cc40ca2 [2019-10-22 08:54:13,122 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:54:13,132 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:54:13,135 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:54:13,136 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:54:13,136 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:54:13,138 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_4be81014-3c97-40b6-8d25-38d735e6e6bf/bin/uautomizer/../../sv-benchmarks/c/bitvector/soft_float_4-2a.c.cil.c [2019-10-22 08:54:13,181 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4be81014-3c97-40b6-8d25-38d735e6e6bf/bin/uautomizer/data/8aaedb4a7/a917c923955c4ab2bfb451f1679e9263/FLAGe1c1c9a18 [2019-10-22 08:54:13,582 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:54:13,583 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_4be81014-3c97-40b6-8d25-38d735e6e6bf/sv-benchmarks/c/bitvector/soft_float_4-2a.c.cil.c [2019-10-22 08:54:13,588 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4be81014-3c97-40b6-8d25-38d735e6e6bf/bin/uautomizer/data/8aaedb4a7/a917c923955c4ab2bfb451f1679e9263/FLAGe1c1c9a18 [2019-10-22 08:54:13,966 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_4be81014-3c97-40b6-8d25-38d735e6e6bf/bin/uautomizer/data/8aaedb4a7/a917c923955c4ab2bfb451f1679e9263 [2019-10-22 08:54:13,969 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:54:13,970 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 08:54:13,971 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:54:13,971 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:54:13,974 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:54:13,974 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:54:13" (1/1) ... [2019-10-22 08:54:13,977 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63df915c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:13, skipping insertion in model container [2019-10-22 08:54:13,977 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:54:13" (1/1) ... [2019-10-22 08:54:13,984 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:54:14,012 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:54:14,243 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:54:14,248 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 08:54:14,284 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:54:14,297 INFO L192 MainTranslator]: Completed translation [2019-10-22 08:54:14,297 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:14 WrapperNode [2019-10-22 08:54:14,297 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 08:54:14,298 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 08:54:14,298 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 08:54:14,298 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 08:54:14,305 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:14" (1/1) ... [2019-10-22 08:54:14,313 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:14" (1/1) ... [2019-10-22 08:54:14,350 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 08:54:14,351 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 08:54:14,351 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 08:54:14,351 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 08:54:14,360 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:14" (1/1) ... [2019-10-22 08:54:14,360 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:14" (1/1) ... [2019-10-22 08:54:14,362 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:14" (1/1) ... [2019-10-22 08:54:14,362 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:14" (1/1) ... [2019-10-22 08:54:14,372 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:14" (1/1) ... [2019-10-22 08:54:14,389 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:14" (1/1) ... [2019-10-22 08:54:14,390 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:14" (1/1) ... [2019-10-22 08:54:14,401 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 08:54:14,401 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 08:54:14,401 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 08:54:14,401 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 08:54:14,402 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:14" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4be81014-3c97-40b6-8d25-38d735e6e6bf/bin/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 [2019-10-22 08:54:14,467 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 08:54:14,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 08:54:15,043 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 08:54:15,043 INFO L284 CfgBuilder]: Removed 30 assume(true) statements. [2019-10-22 08:54:15,044 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:54:15 BoogieIcfgContainer [2019-10-22 08:54:15,045 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 08:54:15,045 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 08:54:15,045 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 08:54:15,048 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 08:54:15,048 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 08:54:13" (1/3) ... [2019-10-22 08:54:15,049 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c2b4a6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:54:15, skipping insertion in model container [2019-10-22 08:54:15,049 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:14" (2/3) ... [2019-10-22 08:54:15,050 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c2b4a6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:54:15, skipping insertion in model container [2019-10-22 08:54:15,050 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:54:15" (3/3) ... [2019-10-22 08:54:15,051 INFO L109 eAbstractionObserver]: Analyzing ICFG soft_float_4-2a.c.cil.c [2019-10-22 08:54:15,059 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 08:54:15,066 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 38 error locations. [2019-10-22 08:54:15,074 INFO L249 AbstractCegarLoop]: Starting to check reachability of 38 error locations. [2019-10-22 08:54:15,093 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 08:54:15,093 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 08:54:15,094 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 08:54:15,094 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 08:54:15,094 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 08:54:15,094 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 08:54:15,094 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 08:54:15,094 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 08:54:15,110 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states. [2019-10-22 08:54:15,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-10-22 08:54:15,114 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:54:15,115 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-10-22 08:54:15,117 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-10-22 08:54:15,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:54:15,122 INFO L82 PathProgramCache]: Analyzing trace with hash 922901410, now seen corresponding path program 1 times [2019-10-22 08:54:15,129 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:54:15,129 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [347419131] [2019-10-22 08:54:15,129 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:15,129 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:15,130 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:54:15,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:54:15,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:54:15,230 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [347419131] [2019-10-22 08:54:15,231 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:54:15,232 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 08:54:15,232 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121920135] [2019-10-22 08:54:15,235 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 08:54:15,235 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:54:15,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 08:54:15,244 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 08:54:15,245 INFO L87 Difference]: Start difference. First operand 146 states. Second operand 2 states. [2019-10-22 08:54:15,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:54:15,270 INFO L93 Difference]: Finished difference Result 271 states and 357 transitions. [2019-10-22 08:54:15,270 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 08:54:15,271 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 6 [2019-10-22 08:54:15,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:54:15,281 INFO L225 Difference]: With dead ends: 271 [2019-10-22 08:54:15,282 INFO L226 Difference]: Without dead ends: 126 [2019-10-22 08:54:15,285 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 08:54:15,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2019-10-22 08:54:15,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2019-10-22 08:54:15,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2019-10-22 08:54:15,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 150 transitions. [2019-10-22 08:54:15,325 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 150 transitions. Word has length 6 [2019-10-22 08:54:15,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:54:15,326 INFO L462 AbstractCegarLoop]: Abstraction has 126 states and 150 transitions. [2019-10-22 08:54:15,326 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 08:54:15,326 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 150 transitions. [2019-10-22 08:54:15,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-10-22 08:54:15,326 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:54:15,326 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-10-22 08:54:15,327 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-10-22 08:54:15,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:54:15,328 INFO L82 PathProgramCache]: Analyzing trace with hash 921960144, now seen corresponding path program 1 times [2019-10-22 08:54:15,328 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:54:15,328 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448664765] [2019-10-22 08:54:15,328 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:15,329 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:15,329 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:54:15,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:54:15,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:54:15,379 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [448664765] [2019-10-22 08:54:15,379 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:54:15,379 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 08:54:15,379 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989755919] [2019-10-22 08:54:15,380 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 08:54:15,381 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:54:15,381 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 08:54:15,381 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 08:54:15,381 INFO L87 Difference]: Start difference. First operand 126 states and 150 transitions. Second operand 4 states. [2019-10-22 08:54:15,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:54:15,586 INFO L93 Difference]: Finished difference Result 290 states and 338 transitions. [2019-10-22 08:54:15,587 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 08:54:15,587 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 6 [2019-10-22 08:54:15,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:54:15,589 INFO L225 Difference]: With dead ends: 290 [2019-10-22 08:54:15,591 INFO L226 Difference]: Without dead ends: 166 [2019-10-22 08:54:15,593 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 08:54:15,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2019-10-22 08:54:15,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 106. [2019-10-22 08:54:15,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2019-10-22 08:54:15,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 124 transitions. [2019-10-22 08:54:15,612 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 124 transitions. Word has length 6 [2019-10-22 08:54:15,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:54:15,613 INFO L462 AbstractCegarLoop]: Abstraction has 106 states and 124 transitions. [2019-10-22 08:54:15,613 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 08:54:15,613 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 124 transitions. [2019-10-22 08:54:15,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-10-22 08:54:15,613 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:54:15,613 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:54:15,614 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-10-22 08:54:15,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:54:15,615 INFO L82 PathProgramCache]: Analyzing trace with hash -118682603, now seen corresponding path program 1 times [2019-10-22 08:54:15,615 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:54:15,615 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [883349376] [2019-10-22 08:54:15,615 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:15,615 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:15,615 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:54:15,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:54:15,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:54:15,672 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [883349376] [2019-10-22 08:54:15,672 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:54:15,672 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 08:54:15,672 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637502390] [2019-10-22 08:54:15,672 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 08:54:15,673 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:54:15,673 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 08:54:15,673 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 08:54:15,673 INFO L87 Difference]: Start difference. First operand 106 states and 124 transitions. Second operand 4 states. [2019-10-22 08:54:15,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:54:15,762 INFO L93 Difference]: Finished difference Result 173 states and 200 transitions. [2019-10-22 08:54:15,762 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 08:54:15,762 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2019-10-22 08:54:15,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:54:15,763 INFO L225 Difference]: With dead ends: 173 [2019-10-22 08:54:15,763 INFO L226 Difference]: Without dead ends: 169 [2019-10-22 08:54:15,764 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-22 08:54:15,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2019-10-22 08:54:15,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 107. [2019-10-22 08:54:15,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2019-10-22 08:54:15,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 126 transitions. [2019-10-22 08:54:15,782 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 126 transitions. Word has length 9 [2019-10-22 08:54:15,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:54:15,782 INFO L462 AbstractCegarLoop]: Abstraction has 107 states and 126 transitions. [2019-10-22 08:54:15,782 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 08:54:15,782 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 126 transitions. [2019-10-22 08:54:15,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-10-22 08:54:15,783 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:54:15,783 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:54:15,784 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-10-22 08:54:15,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:54:15,792 INFO L82 PathProgramCache]: Analyzing trace with hash 615806736, now seen corresponding path program 1 times [2019-10-22 08:54:15,792 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:54:15,792 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967840141] [2019-10-22 08:54:15,793 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:15,793 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:15,793 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:54:15,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:54:15,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:54:15,824 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [967840141] [2019-10-22 08:54:15,825 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:54:15,825 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 08:54:15,825 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371458619] [2019-10-22 08:54:15,825 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 08:54:15,825 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:54:15,826 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:54:15,826 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:54:15,826 INFO L87 Difference]: Start difference. First operand 107 states and 126 transitions. Second operand 3 states. [2019-10-22 08:54:15,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:54:15,873 INFO L93 Difference]: Finished difference Result 167 states and 192 transitions. [2019-10-22 08:54:15,873 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:54:15,873 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2019-10-22 08:54:15,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:54:15,875 INFO L225 Difference]: With dead ends: 167 [2019-10-22 08:54:15,875 INFO L226 Difference]: Without dead ends: 165 [2019-10-22 08:54:15,875 INFO L600 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 [2019-10-22 08:54:15,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2019-10-22 08:54:15,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 105. [2019-10-22 08:54:15,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2019-10-22 08:54:15,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 124 transitions. [2019-10-22 08:54:15,884 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 124 transitions. Word has length 10 [2019-10-22 08:54:15,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:54:15,884 INFO L462 AbstractCegarLoop]: Abstraction has 105 states and 124 transitions. [2019-10-22 08:54:15,884 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 08:54:15,884 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 124 transitions. [2019-10-22 08:54:15,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-10-22 08:54:15,885 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:54:15,885 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:54:15,886 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-10-22 08:54:15,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:54:15,886 INFO L82 PathProgramCache]: Analyzing trace with hash -1497311933, now seen corresponding path program 1 times [2019-10-22 08:54:15,886 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:54:15,887 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14817173] [2019-10-22 08:54:15,887 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:15,887 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:15,887 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:54:15,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:54:15,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:54:15,916 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14817173] [2019-10-22 08:54:15,916 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:54:15,916 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 08:54:15,916 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420974368] [2019-10-22 08:54:15,917 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 08:54:15,917 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:54:15,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 08:54:15,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 08:54:15,917 INFO L87 Difference]: Start difference. First operand 105 states and 124 transitions. Second operand 4 states. [2019-10-22 08:54:15,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:54:15,979 INFO L93 Difference]: Finished difference Result 171 states and 197 transitions. [2019-10-22 08:54:15,979 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 08:54:15,980 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2019-10-22 08:54:15,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:54:15,981 INFO L225 Difference]: With dead ends: 171 [2019-10-22 08:54:15,981 INFO L226 Difference]: Without dead ends: 169 [2019-10-22 08:54:15,981 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-22 08:54:15,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2019-10-22 08:54:15,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 107. [2019-10-22 08:54:15,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2019-10-22 08:54:15,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 126 transitions. [2019-10-22 08:54:15,990 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 126 transitions. Word has length 11 [2019-10-22 08:54:15,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:54:15,991 INFO L462 AbstractCegarLoop]: Abstraction has 107 states and 126 transitions. [2019-10-22 08:54:15,991 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 08:54:15,991 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 126 transitions. [2019-10-22 08:54:15,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-10-22 08:54:15,991 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:54:15,992 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:54:15,992 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-10-22 08:54:15,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:54:15,993 INFO L82 PathProgramCache]: Analyzing trace with hash -832741477, now seen corresponding path program 1 times [2019-10-22 08:54:15,993 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:54:15,993 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047315754] [2019-10-22 08:54:15,993 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:15,993 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:15,993 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:54:16,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:54:16,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:54:16,039 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047315754] [2019-10-22 08:54:16,040 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:54:16,040 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 08:54:16,040 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591724992] [2019-10-22 08:54:16,040 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 08:54:16,041 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:54:16,041 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 08:54:16,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 08:54:16,041 INFO L87 Difference]: Start difference. First operand 107 states and 126 transitions. Second operand 4 states. [2019-10-22 08:54:16,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:54:16,116 INFO L93 Difference]: Finished difference Result 174 states and 202 transitions. [2019-10-22 08:54:16,119 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 08:54:16,119 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2019-10-22 08:54:16,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:54:16,120 INFO L225 Difference]: With dead ends: 174 [2019-10-22 08:54:16,120 INFO L226 Difference]: Without dead ends: 172 [2019-10-22 08:54:16,121 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-22 08:54:16,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2019-10-22 08:54:16,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 110. [2019-10-22 08:54:16,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2019-10-22 08:54:16,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 130 transitions. [2019-10-22 08:54:16,141 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 130 transitions. Word has length 12 [2019-10-22 08:54:16,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:54:16,142 INFO L462 AbstractCegarLoop]: Abstraction has 110 states and 130 transitions. [2019-10-22 08:54:16,142 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 08:54:16,142 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 130 transitions. [2019-10-22 08:54:16,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-10-22 08:54:16,142 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:54:16,143 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:54:16,143 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-10-22 08:54:16,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:54:16,144 INFO L82 PathProgramCache]: Analyzing trace with hash 952355221, now seen corresponding path program 1 times [2019-10-22 08:54:16,144 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:54:16,144 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433849012] [2019-10-22 08:54:16,144 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:16,144 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:16,144 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:54:16,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:54:16,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:54:16,187 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433849012] [2019-10-22 08:54:16,188 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:54:16,188 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 08:54:16,188 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573423673] [2019-10-22 08:54:16,188 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 08:54:16,188 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:54:16,188 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 08:54:16,189 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 08:54:16,189 INFO L87 Difference]: Start difference. First operand 110 states and 130 transitions. Second operand 4 states. [2019-10-22 08:54:16,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:54:16,260 INFO L93 Difference]: Finished difference Result 238 states and 272 transitions. [2019-10-22 08:54:16,261 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 08:54:16,261 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2019-10-22 08:54:16,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:54:16,262 INFO L225 Difference]: With dead ends: 238 [2019-10-22 08:54:16,262 INFO L226 Difference]: Without dead ends: 236 [2019-10-22 08:54:16,263 INFO L600 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 [2019-10-22 08:54:16,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2019-10-22 08:54:16,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 109. [2019-10-22 08:54:16,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2019-10-22 08:54:16,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 129 transitions. [2019-10-22 08:54:16,273 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 129 transitions. Word has length 14 [2019-10-22 08:54:16,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:54:16,273 INFO L462 AbstractCegarLoop]: Abstraction has 109 states and 129 transitions. [2019-10-22 08:54:16,274 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 08:54:16,274 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 129 transitions. [2019-10-22 08:54:16,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-10-22 08:54:16,274 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:54:16,274 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:54:16,275 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-10-22 08:54:16,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:54:16,275 INFO L82 PathProgramCache]: Analyzing trace with hash -1259484934, now seen corresponding path program 1 times [2019-10-22 08:54:16,276 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:54:16,276 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [629038281] [2019-10-22 08:54:16,279 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:16,280 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:16,280 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:54:16,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:54:16,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:54:16,420 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [629038281] [2019-10-22 08:54:16,420 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:54:16,421 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-22 08:54:16,421 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299025122] [2019-10-22 08:54:16,421 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-22 08:54:16,422 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:54:16,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-22 08:54:16,422 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-22 08:54:16,422 INFO L87 Difference]: Start difference. First operand 109 states and 129 transitions. Second operand 8 states. [2019-10-22 08:54:16,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:54:16,766 INFO L93 Difference]: Finished difference Result 267 states and 313 transitions. [2019-10-22 08:54:16,766 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-10-22 08:54:16,766 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 14 [2019-10-22 08:54:16,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:54:16,767 INFO L225 Difference]: With dead ends: 267 [2019-10-22 08:54:16,767 INFO L226 Difference]: Without dead ends: 197 [2019-10-22 08:54:16,768 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=78, Invalid=228, Unknown=0, NotChecked=0, Total=306 [2019-10-22 08:54:16,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2019-10-22 08:54:16,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 158. [2019-10-22 08:54:16,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2019-10-22 08:54:16,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 193 transitions. [2019-10-22 08:54:16,785 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 193 transitions. Word has length 14 [2019-10-22 08:54:16,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:54:16,785 INFO L462 AbstractCegarLoop]: Abstraction has 158 states and 193 transitions. [2019-10-22 08:54:16,786 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-22 08:54:16,786 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 193 transitions. [2019-10-22 08:54:16,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-10-22 08:54:16,787 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:54:16,787 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:54:16,788 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-10-22 08:54:16,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:54:16,789 INFO L82 PathProgramCache]: Analyzing trace with hash -513187613, now seen corresponding path program 1 times [2019-10-22 08:54:16,789 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:54:16,789 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597368695] [2019-10-22 08:54:16,789 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:16,789 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:16,789 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:54:16,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:54:16,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:54:16,843 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [597368695] [2019-10-22 08:54:16,843 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:54:16,843 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 08:54:16,843 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879833722] [2019-10-22 08:54:16,844 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 08:54:16,844 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:54:16,844 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 08:54:16,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 08:54:16,844 INFO L87 Difference]: Start difference. First operand 158 states and 193 transitions. Second operand 4 states. [2019-10-22 08:54:16,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:54:16,908 INFO L93 Difference]: Finished difference Result 247 states and 296 transitions. [2019-10-22 08:54:16,908 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 08:54:16,908 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2019-10-22 08:54:16,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:54:16,911 INFO L225 Difference]: With dead ends: 247 [2019-10-22 08:54:16,911 INFO L226 Difference]: Without dead ends: 245 [2019-10-22 08:54:16,912 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-22 08:54:16,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2019-10-22 08:54:16,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 150. [2019-10-22 08:54:16,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2019-10-22 08:54:16,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 183 transitions. [2019-10-22 08:54:16,938 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 183 transitions. Word has length 14 [2019-10-22 08:54:16,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:54:16,939 INFO L462 AbstractCegarLoop]: Abstraction has 150 states and 183 transitions. [2019-10-22 08:54:16,939 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 08:54:16,943 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 183 transitions. [2019-10-22 08:54:16,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-10-22 08:54:16,944 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:54:16,944 INFO L380 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:54:16,944 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-10-22 08:54:16,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:54:16,945 INFO L82 PathProgramCache]: Analyzing trace with hash 2134556229, now seen corresponding path program 1 times [2019-10-22 08:54:16,945 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:54:16,945 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [436170076] [2019-10-22 08:54:16,945 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:16,945 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:16,946 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:54:16,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:54:16,992 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:54:16,992 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [436170076] [2019-10-22 08:54:16,992 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:54:16,992 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 08:54:16,993 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145439266] [2019-10-22 08:54:16,993 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 08:54:16,993 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:54:16,993 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 08:54:16,993 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 08:54:16,994 INFO L87 Difference]: Start difference. First operand 150 states and 183 transitions. Second operand 4 states. [2019-10-22 08:54:17,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:54:17,057 INFO L93 Difference]: Finished difference Result 272 states and 322 transitions. [2019-10-22 08:54:17,057 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 08:54:17,057 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2019-10-22 08:54:17,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:54:17,059 INFO L225 Difference]: With dead ends: 272 [2019-10-22 08:54:17,059 INFO L226 Difference]: Without dead ends: 270 [2019-10-22 08:54:17,059 INFO L600 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 [2019-10-22 08:54:17,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2019-10-22 08:54:17,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 136. [2019-10-22 08:54:17,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2019-10-22 08:54:17,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 165 transitions. [2019-10-22 08:54:17,069 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 165 transitions. Word has length 15 [2019-10-22 08:54:17,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:54:17,070 INFO L462 AbstractCegarLoop]: Abstraction has 136 states and 165 transitions. [2019-10-22 08:54:17,070 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 08:54:17,070 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 165 transitions. [2019-10-22 08:54:17,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-10-22 08:54:17,071 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:54:17,072 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:54:17,072 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-10-22 08:54:17,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:54:17,073 INFO L82 PathProgramCache]: Analyzing trace with hash -1435914485, now seen corresponding path program 1 times [2019-10-22 08:54:17,073 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:54:17,073 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1709040805] [2019-10-22 08:54:17,073 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:17,073 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:17,073 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:54:17,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:54:17,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:54:17,204 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1709040805] [2019-10-22 08:54:17,204 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:54:17,204 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 08:54:17,205 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543886411] [2019-10-22 08:54:17,205 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 08:54:17,205 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:54:17,205 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 08:54:17,205 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-10-22 08:54:17,205 INFO L87 Difference]: Start difference. First operand 136 states and 165 transitions. Second operand 6 states. [2019-10-22 08:54:17,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:54:17,355 INFO L93 Difference]: Finished difference Result 245 states and 291 transitions. [2019-10-22 08:54:17,357 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 08:54:17,357 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 20 [2019-10-22 08:54:17,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:54:17,358 INFO L225 Difference]: With dead ends: 245 [2019-10-22 08:54:17,358 INFO L226 Difference]: Without dead ends: 244 [2019-10-22 08:54:17,359 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2019-10-22 08:54:17,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2019-10-22 08:54:17,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 152. [2019-10-22 08:54:17,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2019-10-22 08:54:17,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 184 transitions. [2019-10-22 08:54:17,370 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 184 transitions. Word has length 20 [2019-10-22 08:54:17,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:54:17,370 INFO L462 AbstractCegarLoop]: Abstraction has 152 states and 184 transitions. [2019-10-22 08:54:17,370 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 08:54:17,370 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 184 transitions. [2019-10-22 08:54:17,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-10-22 08:54:17,373 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:54:17,373 INFO L380 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] [2019-10-22 08:54:17,374 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-10-22 08:54:17,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:54:17,374 INFO L82 PathProgramCache]: Analyzing trace with hash 1468941615, now seen corresponding path program 1 times [2019-10-22 08:54:17,374 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:54:17,374 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951394579] [2019-10-22 08:54:17,374 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:17,375 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:17,375 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:54:17,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:54:17,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:54:17,497 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1951394579] [2019-10-22 08:54:17,497 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:54:17,497 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-22 08:54:17,497 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [833928137] [2019-10-22 08:54:17,498 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-22 08:54:17,498 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:54:17,498 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-22 08:54:17,498 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2019-10-22 08:54:17,498 INFO L87 Difference]: Start difference. First operand 152 states and 184 transitions. Second operand 9 states. [2019-10-22 08:54:17,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:54:17,892 INFO L93 Difference]: Finished difference Result 478 states and 553 transitions. [2019-10-22 08:54:17,893 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-10-22 08:54:17,893 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 22 [2019-10-22 08:54:17,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:54:17,894 INFO L225 Difference]: With dead ends: 478 [2019-10-22 08:54:17,894 INFO L226 Difference]: Without dead ends: 423 [2019-10-22 08:54:17,895 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=91, Invalid=215, Unknown=0, NotChecked=0, Total=306 [2019-10-22 08:54:17,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2019-10-22 08:54:17,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 216. [2019-10-22 08:54:17,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 216 states. [2019-10-22 08:54:17,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 267 transitions. [2019-10-22 08:54:17,914 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 267 transitions. Word has length 22 [2019-10-22 08:54:17,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:54:17,914 INFO L462 AbstractCegarLoop]: Abstraction has 216 states and 267 transitions. [2019-10-22 08:54:17,915 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-22 08:54:17,915 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 267 transitions. [2019-10-22 08:54:17,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-10-22 08:54:17,915 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:54:17,915 INFO L380 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] [2019-10-22 08:54:17,917 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-10-22 08:54:17,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:54:17,917 INFO L82 PathProgramCache]: Analyzing trace with hash 1469001197, now seen corresponding path program 1 times [2019-10-22 08:54:17,917 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:54:17,917 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1758579918] [2019-10-22 08:54:17,917 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:17,918 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:17,918 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:54:17,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:54:18,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:54:18,049 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1758579918] [2019-10-22 08:54:18,049 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:54:18,049 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-22 08:54:18,049 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657567888] [2019-10-22 08:54:18,049 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-22 08:54:18,050 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:54:18,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-22 08:54:18,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-10-22 08:54:18,050 INFO L87 Difference]: Start difference. First operand 216 states and 267 transitions. Second operand 8 states. [2019-10-22 08:54:18,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:54:18,268 INFO L93 Difference]: Finished difference Result 286 states and 340 transitions. [2019-10-22 08:54:18,269 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-22 08:54:18,269 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 22 [2019-10-22 08:54:18,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:54:18,270 INFO L225 Difference]: With dead ends: 286 [2019-10-22 08:54:18,270 INFO L226 Difference]: Without dead ends: 285 [2019-10-22 08:54:18,270 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2019-10-22 08:54:18,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2019-10-22 08:54:18,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 225. [2019-10-22 08:54:18,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 225 states. [2019-10-22 08:54:18,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 278 transitions. [2019-10-22 08:54:18,288 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 278 transitions. Word has length 22 [2019-10-22 08:54:18,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:54:18,288 INFO L462 AbstractCegarLoop]: Abstraction has 225 states and 278 transitions. [2019-10-22 08:54:18,288 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-22 08:54:18,288 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 278 transitions. [2019-10-22 08:54:18,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-10-22 08:54:18,289 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:54:18,289 INFO L380 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] [2019-10-22 08:54:18,289 INFO L410 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-10-22 08:54:18,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:54:18,290 INFO L82 PathProgramCache]: Analyzing trace with hash -1229309041, now seen corresponding path program 1 times [2019-10-22 08:54:18,290 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:54:18,290 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174733496] [2019-10-22 08:54:18,290 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:18,290 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:18,290 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:54:18,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:54:18,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:54:18,456 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174733496] [2019-10-22 08:54:18,456 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:54:18,457 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-22 08:54:18,457 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605090350] [2019-10-22 08:54:18,457 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-22 08:54:18,457 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:54:18,457 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-22 08:54:18,457 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-10-22 08:54:18,457 INFO L87 Difference]: Start difference. First operand 225 states and 278 transitions. Second operand 8 states. [2019-10-22 08:54:18,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:54:18,938 INFO L93 Difference]: Finished difference Result 400 states and 480 transitions. [2019-10-22 08:54:18,939 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-22 08:54:18,939 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 22 [2019-10-22 08:54:18,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:54:18,940 INFO L225 Difference]: With dead ends: 400 [2019-10-22 08:54:18,940 INFO L226 Difference]: Without dead ends: 397 [2019-10-22 08:54:18,941 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2019-10-22 08:54:18,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2019-10-22 08:54:18,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 258. [2019-10-22 08:54:18,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 258 states. [2019-10-22 08:54:18,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 321 transitions. [2019-10-22 08:54:18,958 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 321 transitions. Word has length 22 [2019-10-22 08:54:18,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:54:18,958 INFO L462 AbstractCegarLoop]: Abstraction has 258 states and 321 transitions. [2019-10-22 08:54:18,958 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-22 08:54:18,959 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 321 transitions. [2019-10-22 08:54:18,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-10-22 08:54:18,959 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:54:18,959 INFO L380 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] [2019-10-22 08:54:18,960 INFO L410 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-10-22 08:54:18,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:54:18,961 INFO L82 PathProgramCache]: Analyzing trace with hash 1239889621, now seen corresponding path program 1 times [2019-10-22 08:54:18,961 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:54:18,961 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651943515] [2019-10-22 08:54:18,961 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:18,961 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:18,961 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:54:18,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:54:19,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:54:19,079 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651943515] [2019-10-22 08:54:19,079 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:54:19,079 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-22 08:54:19,079 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137929062] [2019-10-22 08:54:19,079 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-22 08:54:19,080 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:54:19,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-22 08:54:19,080 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-10-22 08:54:19,080 INFO L87 Difference]: Start difference. First operand 258 states and 321 transitions. Second operand 8 states. [2019-10-22 08:54:19,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:54:19,255 INFO L93 Difference]: Finished difference Result 296 states and 352 transitions. [2019-10-22 08:54:19,255 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-22 08:54:19,255 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 22 [2019-10-22 08:54:19,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:54:19,256 INFO L225 Difference]: With dead ends: 296 [2019-10-22 08:54:19,256 INFO L226 Difference]: Without dead ends: 232 [2019-10-22 08:54:19,257 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2019-10-22 08:54:19,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2019-10-22 08:54:19,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 201. [2019-10-22 08:54:19,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 201 states. [2019-10-22 08:54:19,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 249 transitions. [2019-10-22 08:54:19,273 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 249 transitions. Word has length 22 [2019-10-22 08:54:19,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:54:19,273 INFO L462 AbstractCegarLoop]: Abstraction has 201 states and 249 transitions. [2019-10-22 08:54:19,273 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-22 08:54:19,273 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 249 transitions. [2019-10-22 08:54:19,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-22 08:54:19,274 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:54:19,274 INFO L380 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] [2019-10-22 08:54:19,274 INFO L410 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-10-22 08:54:19,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:54:19,275 INFO L82 PathProgramCache]: Analyzing trace with hash -1089831035, now seen corresponding path program 1 times [2019-10-22 08:54:19,275 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:54:19,275 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953195112] [2019-10-22 08:54:19,275 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:19,275 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:19,275 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:54:19,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:54:19,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:54:19,348 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953195112] [2019-10-22 08:54:19,348 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:54:19,348 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-22 08:54:19,348 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437096899] [2019-10-22 08:54:19,349 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-22 08:54:19,349 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:54:19,349 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-22 08:54:19,349 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-22 08:54:19,349 INFO L87 Difference]: Start difference. First operand 201 states and 249 transitions. Second operand 8 states. [2019-10-22 08:54:19,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:54:19,549 INFO L93 Difference]: Finished difference Result 237 states and 285 transitions. [2019-10-22 08:54:19,550 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-22 08:54:19,550 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 24 [2019-10-22 08:54:19,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:54:19,551 INFO L225 Difference]: With dead ends: 237 [2019-10-22 08:54:19,551 INFO L226 Difference]: Without dead ends: 188 [2019-10-22 08:54:19,551 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2019-10-22 08:54:19,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2019-10-22 08:54:19,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 184. [2019-10-22 08:54:19,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 184 states. [2019-10-22 08:54:19,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 226 transitions. [2019-10-22 08:54:19,563 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 226 transitions. Word has length 24 [2019-10-22 08:54:19,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:54:19,563 INFO L462 AbstractCegarLoop]: Abstraction has 184 states and 226 transitions. [2019-10-22 08:54:19,563 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-22 08:54:19,563 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 226 transitions. [2019-10-22 08:54:19,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-22 08:54:19,563 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:54:19,563 INFO L380 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] [2019-10-22 08:54:19,564 INFO L410 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-10-22 08:54:19,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:54:19,564 INFO L82 PathProgramCache]: Analyzing trace with hash 1968302766, now seen corresponding path program 1 times [2019-10-22 08:54:19,565 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:54:19,565 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1582747317] [2019-10-22 08:54:19,565 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:19,565 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:19,565 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:54:19,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:54:19,950 WARN L191 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 22 [2019-10-22 08:54:20,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:54:20,004 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1582747317] [2019-10-22 08:54:20,004 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:54:20,004 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-22 08:54:20,004 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363928077] [2019-10-22 08:54:20,004 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-22 08:54:20,005 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:54:20,005 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-22 08:54:20,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-10-22 08:54:20,005 INFO L87 Difference]: Start difference. First operand 184 states and 226 transitions. Second operand 8 states. [2019-10-22 08:54:20,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:54:20,325 INFO L93 Difference]: Finished difference Result 265 states and 314 transitions. [2019-10-22 08:54:20,325 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-22 08:54:20,325 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 24 [2019-10-22 08:54:20,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:54:20,327 INFO L225 Difference]: With dead ends: 265 [2019-10-22 08:54:20,327 INFO L226 Difference]: Without dead ends: 264 [2019-10-22 08:54:20,328 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2019-10-22 08:54:20,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2019-10-22 08:54:20,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 184. [2019-10-22 08:54:20,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 184 states. [2019-10-22 08:54:20,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 225 transitions. [2019-10-22 08:54:20,340 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 225 transitions. Word has length 24 [2019-10-22 08:54:20,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:54:20,341 INFO L462 AbstractCegarLoop]: Abstraction has 184 states and 225 transitions. [2019-10-22 08:54:20,341 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-22 08:54:20,341 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 225 transitions. [2019-10-22 08:54:20,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-10-22 08:54:20,341 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:54:20,341 INFO L380 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] [2019-10-22 08:54:20,342 INFO L410 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-10-22 08:54:20,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:54:20,343 INFO L82 PathProgramCache]: Analyzing trace with hash 1696098322, now seen corresponding path program 1 times [2019-10-22 08:54:20,343 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:54:20,343 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [335671783] [2019-10-22 08:54:20,343 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:20,343 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:20,344 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:54:20,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:54:20,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:54:20,411 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:54:20,412 INFO L445 BasicCegarLoop]: Counterexample might be feasible [2019-10-22 08:54:20,439 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 08:54:20 BoogieIcfgContainer [2019-10-22 08:54:20,439 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 08:54:20,439 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 08:54:20,439 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 08:54:20,439 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 08:54:20,440 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:54:15" (3/4) ... [2019-10-22 08:54:20,443 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-10-22 08:54:20,444 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 08:54:20,445 INFO L168 Benchmark]: Toolchain (without parser) took 6475.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 217.1 MB). Free memory was 944.4 MB in the beginning and 960.4 MB in the end (delta: -16.0 MB). Peak memory consumption was 201.0 MB. Max. memory is 11.5 GB. [2019-10-22 08:54:20,446 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 962.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:54:20,446 INFO L168 Benchmark]: CACSL2BoogieTranslator took 327.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 177.7 MB). Free memory was 944.4 MB in the beginning and 1.2 GB in the end (delta: -226.9 MB). Peak memory consumption was 22.6 MB. Max. memory is 11.5 GB. [2019-10-22 08:54:20,447 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.52 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-10-22 08:54:20,447 INFO L168 Benchmark]: Boogie Preprocessor took 50.04 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:54:20,447 INFO L168 Benchmark]: RCFGBuilder took 643.61 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 43.9 MB). Peak memory consumption was 43.9 MB. Max. memory is 11.5 GB. [2019-10-22 08:54:20,448 INFO L168 Benchmark]: TraceAbstraction took 5393.66 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 39.3 MB). Free memory was 1.1 GB in the beginning and 960.4 MB in the end (delta: 160.3 MB). Peak memory consumption was 199.6 MB. Max. memory is 11.5 GB. [2019-10-22 08:54:20,448 INFO L168 Benchmark]: Witness Printer took 4.47 ms. Allocated memory is still 1.2 GB. Free memory is still 960.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:54:20,451 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 962.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 327.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 177.7 MB). Free memory was 944.4 MB in the beginning and 1.2 GB in the end (delta: -226.9 MB). Peak memory consumption was 22.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 52.52 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 50.04 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 643.61 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 43.9 MB). Peak memory consumption was 43.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 5393.66 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 39.3 MB). Free memory was 1.1 GB in the beginning and 960.4 MB in the end (delta: 160.3 MB). Peak memory consumption was 199.6 MB. Max. memory is 11.5 GB. * Witness Printer took 4.47 ms. Allocated memory is still 1.2 GB. Free memory is still 960.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 103]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseOr at line 101, overapproximation of bitwiseAnd at line 102. Possible FailurePath: [L217] unsigned int a ; [L218] unsigned int ma = __VERIFIER_nondet_uint(); [L219] signed char ea = __VERIFIER_nondet_char(); [L220] unsigned int b ; [L221] unsigned int mb = __VERIFIER_nondet_uint(); [L222] signed char eb = __VERIFIER_nondet_char(); [L223] unsigned int r_add1 ; [L224] unsigned int r_add2 ; [L225] unsigned int zero ; [L226] int tmp ; [L227] int tmp___0 ; [L228] int __retres14 ; [L16] unsigned int res ; [L17] unsigned int __retres4 ; [L20] COND TRUE ! m [L21] __retres4 = 0U [L71] return (__retres4); [L232] zero = base2flt(0, 0) [L16] unsigned int res ; [L17] unsigned int __retres4 ; [L20] COND FALSE !(! m) [L26] COND FALSE !(m < 1U << 24U) [L48] COND TRUE 1 [L50] COND FALSE !(m >= 1U << 25U) [L67] m = m & ~ (1U << 24U) [L68] EXPR e + 128 [L68] res = m | ((unsigned int )(e + 128) << 24U) [L69] __retres4 = res [L71] return (__retres4); [L233] a = base2flt(ma, ea) [L16] unsigned int res ; [L17] unsigned int __retres4 ; [L20] COND FALSE !(! m) [L26] COND FALSE !(m < 1U << 24U) [L48] COND TRUE 1 [L50] COND TRUE m >= 1U << 25U [L55] COND TRUE e >= 127 [L56] __retres4 = 4294967295U [L71] return (__retres4); [L234] b = base2flt(mb, eb) [L75] unsigned int res ; [L76] unsigned int ma ; [L77] unsigned int mb ; [L78] unsigned int delta ; [L79] int ea ; [L80] int eb ; [L81] unsigned int tmp ; [L82] unsigned int __retres10 ; [L85] COND TRUE a < b [L86] tmp = a [L87] a = b [L88] b = tmp [L92] COND FALSE !(! b) [L99] ma = a & ((1U << 24U) - 1U) [L100] EXPR (int )(a >> 24U) - 128 [L100] ea = (int )(a >> 24U) - 128 [L101] ma = ma | (1U << 24U) [L102] mb = b & ((1U << 24U) - 1U) [L103] (int )(b >> 24U) - 128 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 146 locations, 38 error locations. Result: UNSAFE, OverallTime: 5.3s, OverallIterations: 18, TraceHistogramMax: 2, AutomataDifference: 3.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 2467 SDtfs, 3174 SDslu, 5632 SDs, 0 SdLazy, 1577 SolverSat, 187 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 135 GetRequests, 20 SyntacticMatches, 2 SemanticMatches, 113 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=258occurred in iteration=14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 17 MinimizatonAttempts, 1314 StatesRemovedByMinimization, 16 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 293 NumberOfCodeBlocks, 293 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 250 ConstructedInterpolants, 0 QuantifiedInterpolants, 22248 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 17 InterpolantComputations, 17 PerfectInterpolantSequences, 2/2 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...