./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/bitvector/soft_float_4-3.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version f470102c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/bitvector/soft_float_4-3.c.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 988d729fd88587f81c20330c30676fd457cc5bbc ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis No suitable file found in config dir /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 0.1.25-f470102 [2019-11-28 20:27:17,085 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 20:27:17,088 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 20:27:17,107 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 20:27:17,108 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 20:27:17,110 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 20:27:17,112 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 20:27:17,122 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 20:27:17,128 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 20:27:17,132 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 20:27:17,133 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 20:27:17,135 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 20:27:17,135 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 20:27:17,138 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 20:27:17,140 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 20:27:17,141 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 20:27:17,143 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 20:27:17,144 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 20:27:17,146 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 20:27:17,150 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 20:27:17,154 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 20:27:17,158 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 20:27:17,160 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 20:27:17,161 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 20:27:17,165 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 20:27:17,165 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 20:27:17,166 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 20:27:17,167 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 20:27:17,168 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 20:27:17,169 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 20:27:17,169 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 20:27:17,170 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 20:27:17,170 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 20:27:17,172 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 20:27:17,173 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 20:27:17,173 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 20:27:17,174 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 20:27:17,174 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 20:27:17,175 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 20:27:17,175 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 20:27:17,177 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 20:27:17,178 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2019-11-28 20:27:17,214 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 20:27:17,214 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 20:27:17,215 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 20:27:17,215 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 20:27:17,216 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 20:27:17,216 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 20:27:17,216 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 20:27:17,216 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 20:27:17,217 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 20:27:17,217 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 20:27:17,217 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 20:27:17,217 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 20:27:17,217 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 20:27:17,218 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 20:27:17,221 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-11-28 20:27:17,221 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 20:27:17,222 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 20:27:17,222 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 20:27:17,222 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 20:27:17,222 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 20:27:17,223 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 20:27:17,223 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 20:27:17,223 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 20:27:17,223 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 20:27:17,223 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 20:27:17,224 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 20:27:17,224 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 20:27:17,224 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 20:27:17,224 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 20:27:17,224 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 20:27:17,228 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 20:27:17,229 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> 988d729fd88587f81c20330c30676fd457cc5bbc [2019-11-28 20:27:17,517 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 20:27:17,537 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 20:27:17,542 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 20:27:17,544 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 20:27:17,545 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 20:27:17,546 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector/soft_float_4-3.c.cil.c [2019-11-28 20:27:17,620 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/48ee91637/f1f35aaad36e4f6c8c9e6306d510d741/FLAG1bf0e88eb [2019-11-28 20:27:18,127 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 20:27:18,129 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/soft_float_4-3.c.cil.c [2019-11-28 20:27:18,140 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/48ee91637/f1f35aaad36e4f6c8c9e6306d510d741/FLAG1bf0e88eb [2019-11-28 20:27:18,443 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/48ee91637/f1f35aaad36e4f6c8c9e6306d510d741 [2019-11-28 20:27:18,447 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 20:27:18,448 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 20:27:18,449 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 20:27:18,449 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 20:27:18,452 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 20:27:18,453 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:27:18" (1/1) ... [2019-11-28 20:27:18,456 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27020a99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:27:18, skipping insertion in model container [2019-11-28 20:27:18,456 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:27:18" (1/1) ... [2019-11-28 20:27:18,464 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 20:27:18,494 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 20:27:18,720 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 20:27:18,724 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 20:27:18,831 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 20:27:18,847 INFO L208 MainTranslator]: Completed translation [2019-11-28 20:27:18,848 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:27:18 WrapperNode [2019-11-28 20:27:18,848 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 20:27:18,849 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 20:27:18,849 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 20:27:18,850 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 20:27:18,859 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:27:18" (1/1) ... [2019-11-28 20:27:18,866 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:27:18" (1/1) ... [2019-11-28 20:27:18,909 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 20:27:18,910 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 20:27:18,910 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 20:27:18,910 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 20:27:18,922 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:27:18" (1/1) ... [2019-11-28 20:27:18,922 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:27:18" (1/1) ... [2019-11-28 20:27:18,926 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:27:18" (1/1) ... [2019-11-28 20:27:18,927 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:27:18" (1/1) ... [2019-11-28 20:27:18,936 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:27:18" (1/1) ... [2019-11-28 20:27:18,945 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:27:18" (1/1) ... [2019-11-28 20:27:18,949 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:27:18" (1/1) ... [2019-11-28 20:27:18,954 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 20:27:18,954 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 20:27:18,955 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 20:27:18,955 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 20:27:18,956 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:27:18" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-11-28 20:27:19,034 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 20:27:19,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 20:27:19,678 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 20:27:19,679 INFO L287 CfgBuilder]: Removed 34 assume(true) statements. [2019-11-28 20:27:19,680 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:27:19 BoogieIcfgContainer [2019-11-28 20:27:19,681 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 20:27:19,682 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 20:27:19,682 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 20:27:19,685 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 20:27:19,686 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 08:27:18" (1/3) ... [2019-11-28 20:27:19,687 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42c5f49f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 08:27:19, skipping insertion in model container [2019-11-28 20:27:19,687 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:27:18" (2/3) ... [2019-11-28 20:27:19,687 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42c5f49f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 08:27:19, skipping insertion in model container [2019-11-28 20:27:19,688 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:27:19" (3/3) ... [2019-11-28 20:27:19,689 INFO L109 eAbstractionObserver]: Analyzing ICFG soft_float_4-3.c.cil.c [2019-11-28 20:27:19,699 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 20:27:19,707 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 48 error locations. [2019-11-28 20:27:19,720 INFO L249 AbstractCegarLoop]: Starting to check reachability of 48 error locations. [2019-11-28 20:27:19,748 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 20:27:19,748 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 20:27:19,748 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 20:27:19,748 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 20:27:19,749 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 20:27:19,749 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 20:27:19,749 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 20:27:19,751 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 20:27:19,794 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states. [2019-11-28 20:27:19,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-11-28 20:27:19,800 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:27:19,801 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-11-28 20:27:19,802 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-28 20:27:19,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:27:19,807 INFO L82 PathProgramCache]: Analyzing trace with hash 922901410, now seen corresponding path program 1 times [2019-11-28 20:27:19,817 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:27:19,817 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024608939] [2019-11-28 20:27:19,818 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:27:19,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:27:19,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:27:19,935 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024608939] [2019-11-28 20:27:19,936 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:27:19,936 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 20:27:19,938 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643721763] [2019-11-28 20:27:19,943 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-28 20:27:19,944 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:27:19,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-28 20:27:19,959 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 20:27:19,962 INFO L87 Difference]: Start difference. First operand 172 states. Second operand 2 states. [2019-11-28 20:27:20,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:27:20,031 INFO L93 Difference]: Finished difference Result 323 states and 413 transitions. [2019-11-28 20:27:20,032 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-28 20:27:20,033 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 6 [2019-11-28 20:27:20,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 20:27:20,057 INFO L225 Difference]: With dead ends: 323 [2019-11-28 20:27:20,058 INFO L226 Difference]: Without dead ends: 150 [2019-11-28 20:27:20,065 INFO L630 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 [2019-11-28 20:27:20,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2019-11-28 20:27:20,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2019-11-28 20:27:20,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2019-11-28 20:27:20,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 174 transitions. [2019-11-28 20:27:20,150 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 174 transitions. Word has length 6 [2019-11-28 20:27:20,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 20:27:20,151 INFO L462 AbstractCegarLoop]: Abstraction has 150 states and 174 transitions. [2019-11-28 20:27:20,151 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-28 20:27:20,152 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 174 transitions. [2019-11-28 20:27:20,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-11-28 20:27:20,153 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:27:20,153 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-11-28 20:27:20,158 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-28 20:27:20,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:27:20,159 INFO L82 PathProgramCache]: Analyzing trace with hash 921960144, now seen corresponding path program 1 times [2019-11-28 20:27:20,159 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:27:20,160 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1895299607] [2019-11-28 20:27:20,160 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:27:20,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:27:20,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:27:20,268 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1895299607] [2019-11-28 20:27:20,268 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:27:20,268 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 20:27:20,269 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646269168] [2019-11-28 20:27:20,270 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 20:27:20,270 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:27:20,271 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 20:27:20,271 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 20:27:20,271 INFO L87 Difference]: Start difference. First operand 150 states and 174 transitions. Second operand 4 states. [2019-11-28 20:27:20,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:27:20,475 INFO L93 Difference]: Finished difference Result 346 states and 394 transitions. [2019-11-28 20:27:20,476 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 20:27:20,476 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 6 [2019-11-28 20:27:20,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 20:27:20,479 INFO L225 Difference]: With dead ends: 346 [2019-11-28 20:27:20,479 INFO L226 Difference]: Without dead ends: 198 [2019-11-28 20:27:20,481 INFO L630 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 [2019-11-28 20:27:20,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2019-11-28 20:27:20,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 126. [2019-11-28 20:27:20,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2019-11-28 20:27:20,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 144 transitions. [2019-11-28 20:27:20,494 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 144 transitions. Word has length 6 [2019-11-28 20:27:20,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 20:27:20,495 INFO L462 AbstractCegarLoop]: Abstraction has 126 states and 144 transitions. [2019-11-28 20:27:20,495 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 20:27:20,495 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 144 transitions. [2019-11-28 20:27:20,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-28 20:27:20,496 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:27:20,496 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:27:20,497 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-28 20:27:20,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:27:20,498 INFO L82 PathProgramCache]: Analyzing trace with hash -745301351, now seen corresponding path program 1 times [2019-11-28 20:27:20,498 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:27:20,499 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1514678309] [2019-11-28 20:27:20,499 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:27:20,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:27:20,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:27:20,545 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1514678309] [2019-11-28 20:27:20,546 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:27:20,546 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 20:27:20,546 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942622335] [2019-11-28 20:27:20,547 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 20:27:20,547 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:27:20,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 20:27:20,547 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 20:27:20,548 INFO L87 Difference]: Start difference. First operand 126 states and 144 transitions. Second operand 4 states. [2019-11-28 20:27:20,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:27:20,674 INFO L93 Difference]: Finished difference Result 207 states and 234 transitions. [2019-11-28 20:27:20,674 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 20:27:20,675 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2019-11-28 20:27:20,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 20:27:20,677 INFO L225 Difference]: With dead ends: 207 [2019-11-28 20:27:20,677 INFO L226 Difference]: Without dead ends: 203 [2019-11-28 20:27:20,677 INFO L630 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 [2019-11-28 20:27:20,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2019-11-28 20:27:20,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 127. [2019-11-28 20:27:20,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2019-11-28 20:27:20,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 146 transitions. [2019-11-28 20:27:20,694 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 146 transitions. Word has length 9 [2019-11-28 20:27:20,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 20:27:20,695 INFO L462 AbstractCegarLoop]: Abstraction has 127 states and 146 transitions. [2019-11-28 20:27:20,695 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 20:27:20,695 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 146 transitions. [2019-11-28 20:27:20,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-28 20:27:20,696 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:27:20,696 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:27:20,697 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-28 20:27:20,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:27:20,697 INFO L82 PathProgramCache]: Analyzing trace with hash -1629505264, now seen corresponding path program 1 times [2019-11-28 20:27:20,698 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:27:20,698 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [849762364] [2019-11-28 20:27:20,698 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:27:20,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:27:20,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:27:20,746 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [849762364] [2019-11-28 20:27:20,746 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:27:20,746 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 20:27:20,746 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2094036114] [2019-11-28 20:27:20,748 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 20:27:20,749 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:27:20,749 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 20:27:20,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 20:27:20,749 INFO L87 Difference]: Start difference. First operand 127 states and 146 transitions. Second operand 3 states. [2019-11-28 20:27:20,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:27:20,832 INFO L93 Difference]: Finished difference Result 199 states and 224 transitions. [2019-11-28 20:27:20,833 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 20:27:20,833 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2019-11-28 20:27:20,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 20:27:20,835 INFO L225 Difference]: With dead ends: 199 [2019-11-28 20:27:20,835 INFO L226 Difference]: Without dead ends: 197 [2019-11-28 20:27:20,836 INFO L630 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 [2019-11-28 20:27:20,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2019-11-28 20:27:20,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 125. [2019-11-28 20:27:20,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2019-11-28 20:27:20,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 144 transitions. [2019-11-28 20:27:20,849 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 144 transitions. Word has length 10 [2019-11-28 20:27:20,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 20:27:20,850 INFO L462 AbstractCegarLoop]: Abstraction has 125 states and 144 transitions. [2019-11-28 20:27:20,850 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 20:27:20,850 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 144 transitions. [2019-11-28 20:27:20,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-28 20:27:20,851 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:27:20,852 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:27:20,852 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-28 20:27:20,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:27:20,853 INFO L82 PathProgramCache]: Analyzing trace with hash 1912392577, now seen corresponding path program 1 times [2019-11-28 20:27:20,853 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:27:20,854 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938957509] [2019-11-28 20:27:20,854 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:27:20,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:27:20,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:27:20,930 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938957509] [2019-11-28 20:27:20,931 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:27:20,931 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 20:27:20,931 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217293887] [2019-11-28 20:27:20,932 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 20:27:20,932 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:27:20,932 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 20:27:20,934 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 20:27:20,934 INFO L87 Difference]: Start difference. First operand 125 states and 144 transitions. Second operand 4 states. [2019-11-28 20:27:21,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:27:21,046 INFO L93 Difference]: Finished difference Result 206 states and 233 transitions. [2019-11-28 20:27:21,047 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 20:27:21,047 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2019-11-28 20:27:21,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 20:27:21,051 INFO L225 Difference]: With dead ends: 206 [2019-11-28 20:27:21,051 INFO L226 Difference]: Without dead ends: 203 [2019-11-28 20:27:21,052 INFO L630 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 [2019-11-28 20:27:21,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2019-11-28 20:27:21,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 129. [2019-11-28 20:27:21,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2019-11-28 20:27:21,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 149 transitions. [2019-11-28 20:27:21,076 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 149 transitions. Word has length 11 [2019-11-28 20:27:21,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 20:27:21,076 INFO L462 AbstractCegarLoop]: Abstraction has 129 states and 149 transitions. [2019-11-28 20:27:21,077 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 20:27:21,077 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 149 transitions. [2019-11-28 20:27:21,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-28 20:27:21,078 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:27:21,078 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:27:21,079 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-28 20:27:21,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:27:21,080 INFO L82 PathProgramCache]: Analyzing trace with hash 1164357791, now seen corresponding path program 1 times [2019-11-28 20:27:21,080 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:27:21,080 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980474043] [2019-11-28 20:27:21,081 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:27:21,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:27:21,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:27:21,118 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [980474043] [2019-11-28 20:27:21,119 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:27:21,119 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 20:27:21,119 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901778153] [2019-11-28 20:27:21,119 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 20:27:21,120 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:27:21,120 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 20:27:21,121 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 20:27:21,121 INFO L87 Difference]: Start difference. First operand 129 states and 149 transitions. Second operand 4 states. [2019-11-28 20:27:21,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:27:21,216 INFO L93 Difference]: Finished difference Result 210 states and 239 transitions. [2019-11-28 20:27:21,217 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 20:27:21,217 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2019-11-28 20:27:21,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 20:27:21,219 INFO L225 Difference]: With dead ends: 210 [2019-11-28 20:27:21,219 INFO L226 Difference]: Without dead ends: 208 [2019-11-28 20:27:21,220 INFO L630 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 [2019-11-28 20:27:21,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2019-11-28 20:27:21,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 132. [2019-11-28 20:27:21,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2019-11-28 20:27:21,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 153 transitions. [2019-11-28 20:27:21,231 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 153 transitions. Word has length 12 [2019-11-28 20:27:21,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 20:27:21,231 INFO L462 AbstractCegarLoop]: Abstraction has 132 states and 153 transitions. [2019-11-28 20:27:21,231 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 20:27:21,232 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 153 transitions. [2019-11-28 20:27:21,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-28 20:27:21,233 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:27:21,233 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:27:21,234 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-28 20:27:21,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:27:21,234 INFO L82 PathProgramCache]: Analyzing trace with hash -843278768, now seen corresponding path program 1 times [2019-11-28 20:27:21,235 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:27:21,235 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415553210] [2019-11-28 20:27:21,236 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:27:21,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:27:21,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:27:21,295 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:27:21,295 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-28 20:27:21,319 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 08:27:21 BoogieIcfgContainer [2019-11-28 20:27:21,320 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 20:27:21,320 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 20:27:21,320 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 20:27:21,320 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 20:27:21,321 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:27:19" (3/4) ... [2019-11-28 20:27:21,325 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-28 20:27:21,325 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 20:27:21,328 INFO L168 Benchmark]: Toolchain (without parser) took 2879.02 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 957.7 MB in the beginning and 959.8 MB in the end (delta: -2.1 MB). Peak memory consumption was 144.7 MB. Max. memory is 11.5 GB. [2019-11-28 20:27:21,329 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 20:27:21,330 INFO L168 Benchmark]: CACSL2BoogieTranslator took 399.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 957.7 MB in the beginning and 1.1 GB in the end (delta: -179.2 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. [2019-11-28 20:27:21,330 INFO L168 Benchmark]: Boogie Procedure Inliner took 60.24 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 20:27:21,331 INFO L168 Benchmark]: Boogie Preprocessor took 44.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. [2019-11-28 20:27:21,332 INFO L168 Benchmark]: RCFGBuilder took 726.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 37.4 MB). Peak memory consumption was 37.4 MB. Max. memory is 11.5 GB. [2019-11-28 20:27:21,333 INFO L168 Benchmark]: TraceAbstraction took 1637.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 959.8 MB in the end (delta: 126.5 MB). Peak memory consumption was 126.5 MB. Max. memory is 11.5 GB. [2019-11-28 20:27:21,333 INFO L168 Benchmark]: Witness Printer took 5.28 ms. Allocated memory is still 1.2 GB. Free memory is still 959.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 20:27:21,337 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 399.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 957.7 MB in the beginning and 1.1 GB in the end (delta: -179.2 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 60.24 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 44.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 726.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 37.4 MB). Peak memory consumption was 37.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1637.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 959.8 MB in the end (delta: 126.5 MB). Peak memory consumption was 126.5 MB. Max. memory is 11.5 GB. * Witness Printer took 5.28 ms. Allocated memory is still 1.2 GB. Free memory is still 959.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 67]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseAnd at line 66. Possible FailurePath: [L216] unsigned int a ; [L217] unsigned int ma = __VERIFIER_nondet_uint(); [L218] signed char ea = __VERIFIER_nondet_char(); [L219] unsigned int b ; [L220] unsigned int mb = __VERIFIER_nondet_uint(); [L221] signed char eb = __VERIFIER_nondet_char(); [L222] unsigned int r_add1 ; [L223] unsigned int r_add2 ; [L224] unsigned int zero ; [L225] int tmp ; [L226] int tmp___0 ; [L227] int __retres14 ; [L15] unsigned int res ; [L16] unsigned int __retres4 ; [L19] COND TRUE ! m [L20] __retres4 = 0U [L70] return (__retres4); [L231] zero = base2flt(0, 0) [L15] unsigned int res ; [L16] unsigned int __retres4 ; [L19] COND FALSE !(! m) [L25] COND FALSE !(m < 1U << 24U) [L47] COND TRUE 1 [L49] COND FALSE !(m >= 1U << 25U) [L66] m = m & ~ (1U << 24U) [L67] EXPR e + 128 [L67] (e + 128) << 24U - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 172 locations, 48 error locations. Result: UNSAFE, OverallTime: 1.5s, OverallIterations: 7, TraceHistogramMax: 1, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 1133 SDtfs, 972 SDslu, 632 SDs, 0 SdLazy, 244 SolverSat, 65 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=172occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 370 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 66 NumberOfCodeBlocks, 66 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 48 ConstructedInterpolants, 0 QuantifiedInterpolants, 1348 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 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...