./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/bitvector/soft_float_1-3a.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 906a4fb5 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_1-3a.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 f4f20531c98faa0af8884f2ddaf47888911b3a46 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 0.1.25-906a4fb [2020-10-19 18:37:05,082 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 18:37:05,086 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 18:37:05,131 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 18:37:05,131 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 18:37:05,132 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 18:37:05,134 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 18:37:05,135 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 18:37:05,137 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 18:37:05,138 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 18:37:05,139 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 18:37:05,140 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 18:37:05,141 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 18:37:05,142 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 18:37:05,143 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 18:37:05,144 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 18:37:05,145 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 18:37:05,146 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 18:37:05,148 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 18:37:05,150 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 18:37:05,152 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 18:37:05,153 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 18:37:05,155 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 18:37:05,156 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 18:37:05,159 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 18:37:05,160 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 18:37:05,160 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 18:37:05,161 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 18:37:05,161 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 18:37:05,162 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 18:37:05,163 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 18:37:05,163 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 18:37:05,164 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 18:37:05,165 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 18:37:05,166 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 18:37:05,166 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 18:37:05,167 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 18:37:05,167 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 18:37:05,168 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 18:37:05,169 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 18:37:05,169 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 18:37:05,170 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2020-10-19 18:37:05,193 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 18:37:05,193 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 18:37:05,194 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 18:37:05,194 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 18:37:05,195 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 18:37:05,195 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 18:37:05,195 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-19 18:37:05,195 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-19 18:37:05,195 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 18:37:05,196 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-19 18:37:05,196 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 18:37:05,196 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-19 18:37:05,196 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-19 18:37:05,196 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-19 18:37:05,197 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-10-19 18:37:05,197 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-19 18:37:05,197 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-19 18:37:05,197 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 18:37:05,198 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-19 18:37:05,198 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 18:37:05,198 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 18:37:05,198 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-19 18:37:05,198 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-19 18:37:05,199 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-19 18:37:05,199 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 18:37:05,199 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-19 18:37:05,199 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-19 18:37:05,200 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-19 18:37:05,200 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-19 18:37:05,200 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-19 18:37:05,200 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 18:37:05,200 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 -> f4f20531c98faa0af8884f2ddaf47888911b3a46 [2020-10-19 18:37:05,500 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 18:37:05,512 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 18:37:05,516 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 18:37:05,517 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 18:37:05,518 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 18:37:05,519 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector/soft_float_1-3a.c.cil.c [2020-10-19 18:37:05,593 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5eb2a4bc3/a03da412db9744f5bbcd146745445a4e/FLAG35e389252 [2020-10-19 18:37:06,124 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 18:37:06,124 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/soft_float_1-3a.c.cil.c [2020-10-19 18:37:06,133 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5eb2a4bc3/a03da412db9744f5bbcd146745445a4e/FLAG35e389252 [2020-10-19 18:37:06,451 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5eb2a4bc3/a03da412db9744f5bbcd146745445a4e [2020-10-19 18:37:06,454 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 18:37:06,460 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-19 18:37:06,462 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 18:37:06,462 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 18:37:06,470 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 18:37:06,471 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 06:37:06" (1/1) ... [2020-10-19 18:37:06,474 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ca3a691 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:37:06, skipping insertion in model container [2020-10-19 18:37:06,475 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 06:37:06" (1/1) ... [2020-10-19 18:37:06,483 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 18:37:06,543 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 18:37:06,870 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 18:37:06,881 INFO L203 MainTranslator]: Completed pre-run [2020-10-19 18:37:06,932 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 18:37:07,009 INFO L208 MainTranslator]: Completed translation [2020-10-19 18:37:07,010 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:37:07 WrapperNode [2020-10-19 18:37:07,010 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 18:37:07,011 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-19 18:37:07,011 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-19 18:37:07,011 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-19 18:37:07,018 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:37:07" (1/1) ... [2020-10-19 18:37:07,029 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:37:07" (1/1) ... [2020-10-19 18:37:07,068 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-19 18:37:07,069 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-19 18:37:07,069 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-19 18:37:07,069 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-19 18:37:07,080 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:37:07" (1/1) ... [2020-10-19 18:37:07,080 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:37:07" (1/1) ... [2020-10-19 18:37:07,084 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:37:07" (1/1) ... [2020-10-19 18:37:07,084 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:37:07" (1/1) ... [2020-10-19 18:37:07,093 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:37:07" (1/1) ... [2020-10-19 18:37:07,102 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:37:07" (1/1) ... [2020-10-19 18:37:07,105 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:37:07" (1/1) ... [2020-10-19 18:37:07,109 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-19 18:37:07,110 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-19 18:37:07,110 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-19 18:37:07,110 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-19 18:37:07,111 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:37:07" (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 [2020-10-19 18:37:07,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-19 18:37:07,177 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-19 18:37:07,177 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-19 18:37:07,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-19 18:37:07,873 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-19 18:37:07,873 INFO L298 CfgBuilder]: Removed 42 assume(true) statements. [2020-10-19 18:37:07,875 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 06:37:07 BoogieIcfgContainer [2020-10-19 18:37:07,875 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-19 18:37:07,876 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-19 18:37:07,877 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-19 18:37:07,880 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-19 18:37:07,880 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.10 06:37:06" (1/3) ... [2020-10-19 18:37:07,881 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79295b43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 06:37:07, skipping insertion in model container [2020-10-19 18:37:07,881 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:37:07" (2/3) ... [2020-10-19 18:37:07,882 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79295b43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 06:37:07, skipping insertion in model container [2020-10-19 18:37:07,882 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 06:37:07" (3/3) ... [2020-10-19 18:37:07,884 INFO L111 eAbstractionObserver]: Analyzing ICFG soft_float_1-3a.c.cil.c [2020-10-19 18:37:07,895 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-19 18:37:07,903 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 28 error locations. [2020-10-19 18:37:07,918 INFO L253 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2020-10-19 18:37:07,945 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-19 18:37:07,945 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-19 18:37:07,945 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-19 18:37:07,946 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-19 18:37:07,946 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-19 18:37:07,946 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-19 18:37:07,946 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-19 18:37:07,947 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-19 18:37:07,971 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states. [2020-10-19 18:37:07,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-10-19 18:37:07,977 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:37:07,978 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-19 18:37:07,979 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-19 18:37:07,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:37:07,985 INFO L82 PathProgramCache]: Analyzing trace with hash 1807791520, now seen corresponding path program 1 times [2020-10-19 18:37:07,996 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:37:07,996 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199733914] [2020-10-19 18:37:07,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:37:08,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:37:08,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:37:08,142 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199733914] [2020-10-19 18:37:08,142 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:37:08,143 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 18:37:08,143 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598621177] [2020-10-19 18:37:08,148 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-19 18:37:08,149 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 18:37:08,162 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-19 18:37:08,163 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-19 18:37:08,165 INFO L87 Difference]: Start difference. First operand 151 states. Second operand 2 states. [2020-10-19 18:37:08,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:37:08,202 INFO L93 Difference]: Finished difference Result 276 states and 384 transitions. [2020-10-19 18:37:08,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-19 18:37:08,204 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 7 [2020-10-19 18:37:08,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:37:08,217 INFO L225 Difference]: With dead ends: 276 [2020-10-19 18:37:08,217 INFO L226 Difference]: Without dead ends: 107 [2020-10-19 18:37:08,221 INFO L677 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 [2020-10-19 18:37:08,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2020-10-19 18:37:08,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2020-10-19 18:37:08,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2020-10-19 18:37:08,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 130 transitions. [2020-10-19 18:37:08,271 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 130 transitions. Word has length 7 [2020-10-19 18:37:08,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:37:08,271 INFO L481 AbstractCegarLoop]: Abstraction has 107 states and 130 transitions. [2020-10-19 18:37:08,271 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-19 18:37:08,272 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 130 transitions. [2020-10-19 18:37:08,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-10-19 18:37:08,275 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:37:08,276 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-19 18:37:08,276 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-19 18:37:08,276 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-19 18:37:08,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:37:08,277 INFO L82 PathProgramCache]: Analyzing trace with hash 1806850254, now seen corresponding path program 1 times [2020-10-19 18:37:08,277 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:37:08,277 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359396633] [2020-10-19 18:37:08,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:37:08,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:37:08,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:37:08,399 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359396633] [2020-10-19 18:37:08,400 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:37:08,400 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 18:37:08,400 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533742512] [2020-10-19 18:37:08,402 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 18:37:08,403 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 18:37:08,403 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 18:37:08,404 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 18:37:08,404 INFO L87 Difference]: Start difference. First operand 107 states and 130 transitions. Second operand 3 states. [2020-10-19 18:37:08,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:37:08,599 INFO L93 Difference]: Finished difference Result 211 states and 254 transitions. [2020-10-19 18:37:08,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 18:37:08,600 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2020-10-19 18:37:08,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:37:08,602 INFO L225 Difference]: With dead ends: 211 [2020-10-19 18:37:08,602 INFO L226 Difference]: Without dead ends: 121 [2020-10-19 18:37:08,603 INFO L677 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 [2020-10-19 18:37:08,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2020-10-19 18:37:08,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 119. [2020-10-19 18:37:08,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2020-10-19 18:37:08,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 143 transitions. [2020-10-19 18:37:08,616 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 143 transitions. Word has length 7 [2020-10-19 18:37:08,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:37:08,616 INFO L481 AbstractCegarLoop]: Abstraction has 119 states and 143 transitions. [2020-10-19 18:37:08,616 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 18:37:08,616 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 143 transitions. [2020-10-19 18:37:08,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-19 18:37:08,617 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:37:08,618 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 18:37:08,618 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-19 18:37:08,618 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-19 18:37:08,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:37:08,619 INFO L82 PathProgramCache]: Analyzing trace with hash -866677448, now seen corresponding path program 1 times [2020-10-19 18:37:08,620 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:37:08,620 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095998927] [2020-10-19 18:37:08,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:37:08,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:37:08,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:37:08,679 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1095998927] [2020-10-19 18:37:08,679 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:37:08,679 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 18:37:08,679 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823593953] [2020-10-19 18:37:08,680 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-19 18:37:08,680 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 18:37:08,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-19 18:37:08,681 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-19 18:37:08,681 INFO L87 Difference]: Start difference. First operand 119 states and 143 transitions. Second operand 4 states. [2020-10-19 18:37:08,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:37:08,837 INFO L93 Difference]: Finished difference Result 172 states and 205 transitions. [2020-10-19 18:37:08,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-19 18:37:08,838 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2020-10-19 18:37:08,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:37:08,840 INFO L225 Difference]: With dead ends: 172 [2020-10-19 18:37:08,840 INFO L226 Difference]: Without dead ends: 165 [2020-10-19 18:37:08,841 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-19 18:37:08,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2020-10-19 18:37:08,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 120. [2020-10-19 18:37:08,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2020-10-19 18:37:08,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 145 transitions. [2020-10-19 18:37:08,862 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 145 transitions. Word has length 10 [2020-10-19 18:37:08,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:37:08,862 INFO L481 AbstractCegarLoop]: Abstraction has 120 states and 145 transitions. [2020-10-19 18:37:08,862 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-19 18:37:08,862 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 145 transitions. [2020-10-19 18:37:08,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-19 18:37:08,866 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:37:08,866 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 18:37:08,866 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-19 18:37:08,867 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-19 18:37:08,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:37:08,867 INFO L82 PathProgramCache]: Analyzing trace with hash -1097196978, now seen corresponding path program 1 times [2020-10-19 18:37:08,867 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:37:08,868 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636338016] [2020-10-19 18:37:08,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:37:08,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:37:08,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:37:08,937 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1636338016] [2020-10-19 18:37:08,938 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:37:08,938 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 18:37:08,938 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003892581] [2020-10-19 18:37:08,939 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 18:37:08,939 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 18:37:08,939 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 18:37:08,940 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 18:37:08,940 INFO L87 Difference]: Start difference. First operand 120 states and 145 transitions. Second operand 3 states. [2020-10-19 18:37:09,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:37:09,063 INFO L93 Difference]: Finished difference Result 164 states and 194 transitions. [2020-10-19 18:37:09,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 18:37:09,064 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2020-10-19 18:37:09,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:37:09,066 INFO L225 Difference]: With dead ends: 164 [2020-10-19 18:37:09,066 INFO L226 Difference]: Without dead ends: 159 [2020-10-19 18:37:09,068 INFO L677 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 [2020-10-19 18:37:09,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2020-10-19 18:37:09,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 112. [2020-10-19 18:37:09,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2020-10-19 18:37:09,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 137 transitions. [2020-10-19 18:37:09,100 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 137 transitions. Word has length 11 [2020-10-19 18:37:09,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:37:09,100 INFO L481 AbstractCegarLoop]: Abstraction has 112 states and 137 transitions. [2020-10-19 18:37:09,101 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 18:37:09,101 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 137 transitions. [2020-10-19 18:37:09,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-19 18:37:09,104 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:37:09,104 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 18:37:09,104 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-19 18:37:09,105 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-19 18:37:09,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:37:09,106 INFO L82 PathProgramCache]: Analyzing trace with hash 1234080256, now seen corresponding path program 1 times [2020-10-19 18:37:09,106 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:37:09,106 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359052793] [2020-10-19 18:37:09,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:37:09,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:37:09,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:37:09,199 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359052793] [2020-10-19 18:37:09,199 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:37:09,200 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 18:37:09,200 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479640164] [2020-10-19 18:37:09,200 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-19 18:37:09,200 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 18:37:09,201 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-19 18:37:09,201 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-19 18:37:09,201 INFO L87 Difference]: Start difference. First operand 112 states and 137 transitions. Second operand 4 states. [2020-10-19 18:37:09,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:37:09,355 INFO L93 Difference]: Finished difference Result 160 states and 191 transitions. [2020-10-19 18:37:09,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-19 18:37:09,356 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2020-10-19 18:37:09,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:37:09,359 INFO L225 Difference]: With dead ends: 160 [2020-10-19 18:37:09,359 INFO L226 Difference]: Without dead ends: 158 [2020-10-19 18:37:09,360 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-19 18:37:09,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2020-10-19 18:37:09,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 114. [2020-10-19 18:37:09,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2020-10-19 18:37:09,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 139 transitions. [2020-10-19 18:37:09,393 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 139 transitions. Word has length 12 [2020-10-19 18:37:09,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:37:09,395 INFO L481 AbstractCegarLoop]: Abstraction has 114 states and 139 transitions. [2020-10-19 18:37:09,395 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-19 18:37:09,395 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 139 transitions. [2020-10-19 18:37:09,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-19 18:37:09,397 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:37:09,398 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 18:37:09,398 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-19 18:37:09,399 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-19 18:37:09,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:37:09,400 INFO L82 PathProgramCache]: Analyzing trace with hash -1595344206, now seen corresponding path program 1 times [2020-10-19 18:37:09,400 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:37:09,400 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294833069] [2020-10-19 18:37:09,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:37:09,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:37:09,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:37:09,495 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1294833069] [2020-10-19 18:37:09,495 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:37:09,496 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 18:37:09,496 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758116832] [2020-10-19 18:37:09,496 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-19 18:37:09,496 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 18:37:09,497 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-19 18:37:09,497 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-19 18:37:09,497 INFO L87 Difference]: Start difference. First operand 114 states and 139 transitions. Second operand 4 states. [2020-10-19 18:37:09,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:37:09,625 INFO L93 Difference]: Finished difference Result 257 states and 307 transitions. [2020-10-19 18:37:09,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-19 18:37:09,626 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2020-10-19 18:37:09,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:37:09,627 INFO L225 Difference]: With dead ends: 257 [2020-10-19 18:37:09,628 INFO L226 Difference]: Without dead ends: 171 [2020-10-19 18:37:09,628 INFO L677 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 [2020-10-19 18:37:09,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2020-10-19 18:37:09,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 119. [2020-10-19 18:37:09,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2020-10-19 18:37:09,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 145 transitions. [2020-10-19 18:37:09,638 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 145 transitions. Word has length 12 [2020-10-19 18:37:09,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:37:09,639 INFO L481 AbstractCegarLoop]: Abstraction has 119 states and 145 transitions. [2020-10-19 18:37:09,639 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-19 18:37:09,639 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 145 transitions. [2020-10-19 18:37:09,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-19 18:37:09,640 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:37:09,640 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 18:37:09,641 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-19 18:37:09,641 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-19 18:37:09,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:37:09,642 INFO L82 PathProgramCache]: Analyzing trace with hash -2056836231, now seen corresponding path program 1 times [2020-10-19 18:37:09,642 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:37:09,642 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509241027] [2020-10-19 18:37:09,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:37:09,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:37:09,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:37:09,681 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [509241027] [2020-10-19 18:37:09,681 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:37:09,681 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 18:37:09,682 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17841914] [2020-10-19 18:37:09,682 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-19 18:37:09,683 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 18:37:09,683 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-19 18:37:09,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-19 18:37:09,683 INFO L87 Difference]: Start difference. First operand 119 states and 145 transitions. Second operand 4 states. [2020-10-19 18:37:09,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:37:09,797 INFO L93 Difference]: Finished difference Result 169 states and 203 transitions. [2020-10-19 18:37:09,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-19 18:37:09,798 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2020-10-19 18:37:09,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:37:09,799 INFO L225 Difference]: With dead ends: 169 [2020-10-19 18:37:09,799 INFO L226 Difference]: Without dead ends: 167 [2020-10-19 18:37:09,800 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-19 18:37:09,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2020-10-19 18:37:09,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 122. [2020-10-19 18:37:09,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2020-10-19 18:37:09,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 149 transitions. [2020-10-19 18:37:09,813 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 149 transitions. Word has length 13 [2020-10-19 18:37:09,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:37:09,813 INFO L481 AbstractCegarLoop]: Abstraction has 122 states and 149 transitions. [2020-10-19 18:37:09,813 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-19 18:37:09,814 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 149 transitions. [2020-10-19 18:37:09,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-19 18:37:09,815 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:37:09,815 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 18:37:09,816 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-19 18:37:09,816 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-19 18:37:09,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:37:09,817 INFO L82 PathProgramCache]: Analyzing trace with hash 465285246, now seen corresponding path program 1 times [2020-10-19 18:37:09,817 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:37:09,818 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859063864] [2020-10-19 18:37:09,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:37:09,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:37:09,852 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:37:09,853 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [859063864] [2020-10-19 18:37:09,854 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1968760075] [2020-10-19 18:37:09,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 18:37:09,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:37:09,912 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 3 conjunts are in the unsatisfiable core [2020-10-19 18:37:09,918 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:37:09,982 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:37:09,982 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-19 18:37:09,983 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-10-19 18:37:09,983 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132358822] [2020-10-19 18:37:09,983 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-19 18:37:09,984 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 18:37:09,984 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-19 18:37:09,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2020-10-19 18:37:09,985 INFO L87 Difference]: Start difference. First operand 122 states and 149 transitions. Second operand 4 states. [2020-10-19 18:37:10,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:37:10,099 INFO L93 Difference]: Finished difference Result 209 states and 249 transitions. [2020-10-19 18:37:10,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-19 18:37:10,100 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2020-10-19 18:37:10,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:37:10,101 INFO L225 Difference]: With dead ends: 209 [2020-10-19 18:37:10,102 INFO L226 Difference]: Without dead ends: 206 [2020-10-19 18:37:10,103 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2020-10-19 18:37:10,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2020-10-19 18:37:10,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 109. [2020-10-19 18:37:10,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2020-10-19 18:37:10,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 134 transitions. [2020-10-19 18:37:10,114 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 134 transitions. Word has length 13 [2020-10-19 18:37:10,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:37:10,114 INFO L481 AbstractCegarLoop]: Abstraction has 109 states and 134 transitions. [2020-10-19 18:37:10,115 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-19 18:37:10,115 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 134 transitions. [2020-10-19 18:37:10,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-19 18:37:10,116 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:37:10,116 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 18:37:10,329 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2020-10-19 18:37:10,330 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-19 18:37:10,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:37:10,331 INFO L82 PathProgramCache]: Analyzing trace with hash -47207071, now seen corresponding path program 1 times [2020-10-19 18:37:10,332 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:37:10,332 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738275370] [2020-10-19 18:37:10,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:37:10,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:37:10,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:37:10,370 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738275370] [2020-10-19 18:37:10,370 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:37:10,370 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 18:37:10,371 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703329058] [2020-10-19 18:37:10,371 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-19 18:37:10,371 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 18:37:10,372 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-19 18:37:10,372 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-19 18:37:10,372 INFO L87 Difference]: Start difference. First operand 109 states and 134 transitions. Second operand 4 states. [2020-10-19 18:37:10,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:37:10,461 INFO L93 Difference]: Finished difference Result 160 states and 191 transitions. [2020-10-19 18:37:10,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-19 18:37:10,462 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2020-10-19 18:37:10,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:37:10,463 INFO L225 Difference]: With dead ends: 160 [2020-10-19 18:37:10,463 INFO L226 Difference]: Without dead ends: 158 [2020-10-19 18:37:10,464 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-19 18:37:10,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2020-10-19 18:37:10,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 111. [2020-10-19 18:37:10,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2020-10-19 18:37:10,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 136 transitions. [2020-10-19 18:37:10,473 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 136 transitions. Word has length 15 [2020-10-19 18:37:10,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:37:10,474 INFO L481 AbstractCegarLoop]: Abstraction has 111 states and 136 transitions. [2020-10-19 18:37:10,474 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-19 18:37:10,474 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 136 transitions. [2020-10-19 18:37:10,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-19 18:37:10,475 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:37:10,475 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 18:37:10,475 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-19 18:37:10,476 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-19 18:37:10,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:37:10,476 INFO L82 PathProgramCache]: Analyzing trace with hash 1418335763, now seen corresponding path program 1 times [2020-10-19 18:37:10,476 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:37:10,476 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796045369] [2020-10-19 18:37:10,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:37:10,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:37:10,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:37:10,506 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1796045369] [2020-10-19 18:37:10,506 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:37:10,506 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 18:37:10,506 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656723162] [2020-10-19 18:37:10,507 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-19 18:37:10,507 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 18:37:10,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-19 18:37:10,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-19 18:37:10,507 INFO L87 Difference]: Start difference. First operand 111 states and 136 transitions. Second operand 4 states. [2020-10-19 18:37:10,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:37:10,604 INFO L93 Difference]: Finished difference Result 200 states and 237 transitions. [2020-10-19 18:37:10,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-19 18:37:10,604 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2020-10-19 18:37:10,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:37:10,606 INFO L225 Difference]: With dead ends: 200 [2020-10-19 18:37:10,606 INFO L226 Difference]: Without dead ends: 197 [2020-10-19 18:37:10,606 INFO L677 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 [2020-10-19 18:37:10,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2020-10-19 18:37:10,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 99. [2020-10-19 18:37:10,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2020-10-19 18:37:10,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 124 transitions. [2020-10-19 18:37:10,615 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 124 transitions. Word has length 15 [2020-10-19 18:37:10,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:37:10,615 INFO L481 AbstractCegarLoop]: Abstraction has 99 states and 124 transitions. [2020-10-19 18:37:10,615 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-19 18:37:10,615 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 124 transitions. [2020-10-19 18:37:10,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-19 18:37:10,616 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:37:10,616 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 18:37:10,616 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-19 18:37:10,617 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-19 18:37:10,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:37:10,617 INFO L82 PathProgramCache]: Analyzing trace with hash 367470027, now seen corresponding path program 1 times [2020-10-19 18:37:10,617 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:37:10,618 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739118240] [2020-10-19 18:37:10,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:37:10,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:37:10,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:37:10,708 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739118240] [2020-10-19 18:37:10,709 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:37:10,709 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-19 18:37:10,709 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1555975087] [2020-10-19 18:37:10,710 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-19 18:37:10,710 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 18:37:10,710 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-19 18:37:10,711 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-19 18:37:10,711 INFO L87 Difference]: Start difference. First operand 99 states and 124 transitions. Second operand 7 states. [2020-10-19 18:37:10,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:37:10,934 INFO L93 Difference]: Finished difference Result 266 states and 317 transitions. [2020-10-19 18:37:10,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-19 18:37:10,935 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 18 [2020-10-19 18:37:10,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:37:10,937 INFO L225 Difference]: With dead ends: 266 [2020-10-19 18:37:10,937 INFO L226 Difference]: Without dead ends: 230 [2020-10-19 18:37:10,938 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2020-10-19 18:37:10,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2020-10-19 18:37:10,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 129. [2020-10-19 18:37:10,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2020-10-19 18:37:10,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 163 transitions. [2020-10-19 18:37:10,976 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 163 transitions. Word has length 18 [2020-10-19 18:37:10,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:37:10,976 INFO L481 AbstractCegarLoop]: Abstraction has 129 states and 163 transitions. [2020-10-19 18:37:10,977 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-19 18:37:10,977 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 163 transitions. [2020-10-19 18:37:10,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-19 18:37:10,977 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:37:10,978 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 18:37:10,978 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-19 18:37:10,978 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-19 18:37:10,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:37:10,979 INFO L82 PathProgramCache]: Analyzing trace with hash 1008645611, now seen corresponding path program 1 times [2020-10-19 18:37:10,979 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:37:10,979 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831227768] [2020-10-19 18:37:10,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:37:10,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:37:11,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:37:11,039 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [831227768] [2020-10-19 18:37:11,039 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:37:11,039 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-19 18:37:11,040 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508801285] [2020-10-19 18:37:11,040 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-19 18:37:11,040 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 18:37:11,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-19 18:37:11,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-19 18:37:11,041 INFO L87 Difference]: Start difference. First operand 129 states and 163 transitions. Second operand 6 states. [2020-10-19 18:37:11,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:37:11,148 INFO L93 Difference]: Finished difference Result 190 states and 233 transitions. [2020-10-19 18:37:11,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-19 18:37:11,149 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 20 [2020-10-19 18:37:11,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:37:11,150 INFO L225 Difference]: With dead ends: 190 [2020-10-19 18:37:11,150 INFO L226 Difference]: Without dead ends: 131 [2020-10-19 18:37:11,151 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-10-19 18:37:11,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2020-10-19 18:37:11,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 129. [2020-10-19 18:37:11,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2020-10-19 18:37:11,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 159 transitions. [2020-10-19 18:37:11,161 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 159 transitions. Word has length 20 [2020-10-19 18:37:11,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:37:11,162 INFO L481 AbstractCegarLoop]: Abstraction has 129 states and 159 transitions. [2020-10-19 18:37:11,162 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-19 18:37:11,162 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 159 transitions. [2020-10-19 18:37:11,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-19 18:37:11,162 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:37:11,163 INFO L422 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] [2020-10-19 18:37:11,163 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-19 18:37:11,163 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-19 18:37:11,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:37:11,164 INFO L82 PathProgramCache]: Analyzing trace with hash 28946906, now seen corresponding path program 1 times [2020-10-19 18:37:11,164 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:37:11,164 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004437349] [2020-10-19 18:37:11,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:37:11,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:37:11,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:37:11,221 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004437349] [2020-10-19 18:37:11,221 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:37:11,221 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-19 18:37:11,221 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454417288] [2020-10-19 18:37:11,222 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-19 18:37:11,222 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 18:37:11,222 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-19 18:37:11,222 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-19 18:37:11,222 INFO L87 Difference]: Start difference. First operand 129 states and 159 transitions. Second operand 5 states. [2020-10-19 18:37:11,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:37:11,336 INFO L93 Difference]: Finished difference Result 272 states and 329 transitions. [2020-10-19 18:37:11,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-19 18:37:11,337 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-10-19 18:37:11,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:37:11,339 INFO L225 Difference]: With dead ends: 272 [2020-10-19 18:37:11,339 INFO L226 Difference]: Without dead ends: 231 [2020-10-19 18:37:11,340 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-19 18:37:11,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2020-10-19 18:37:11,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 192. [2020-10-19 18:37:11,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 192 states. [2020-10-19 18:37:11,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 237 transitions. [2020-10-19 18:37:11,356 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 237 transitions. Word has length 24 [2020-10-19 18:37:11,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:37:11,356 INFO L481 AbstractCegarLoop]: Abstraction has 192 states and 237 transitions. [2020-10-19 18:37:11,356 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-19 18:37:11,357 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 237 transitions. [2020-10-19 18:37:11,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-19 18:37:11,357 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:37:11,358 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 18:37:11,358 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-19 18:37:11,358 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-19 18:37:11,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:37:11,358 INFO L82 PathProgramCache]: Analyzing trace with hash -1001331080, now seen corresponding path program 1 times [2020-10-19 18:37:11,359 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:37:11,359 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050701273] [2020-10-19 18:37:11,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:37:11,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:37:11,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:37:11,489 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2050701273] [2020-10-19 18:37:11,489 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:37:11,489 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-19 18:37:11,490 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526956821] [2020-10-19 18:37:11,490 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-19 18:37:11,490 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 18:37:11,490 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-19 18:37:11,490 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-19 18:37:11,491 INFO L87 Difference]: Start difference. First operand 192 states and 237 transitions. Second operand 7 states. [2020-10-19 18:37:11,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:37:11,660 INFO L93 Difference]: Finished difference Result 323 states and 379 transitions. [2020-10-19 18:37:11,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-19 18:37:11,661 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 28 [2020-10-19 18:37:11,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:37:11,663 INFO L225 Difference]: With dead ends: 323 [2020-10-19 18:37:11,663 INFO L226 Difference]: Without dead ends: 288 [2020-10-19 18:37:11,663 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-10-19 18:37:11,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2020-10-19 18:37:11,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 226. [2020-10-19 18:37:11,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 226 states. [2020-10-19 18:37:11,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 278 transitions. [2020-10-19 18:37:11,685 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 278 transitions. Word has length 28 [2020-10-19 18:37:11,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:37:11,685 INFO L481 AbstractCegarLoop]: Abstraction has 226 states and 278 transitions. [2020-10-19 18:37:11,685 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-19 18:37:11,686 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 278 transitions. [2020-10-19 18:37:11,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-10-19 18:37:11,687 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:37:11,687 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 18:37:11,687 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-19 18:37:11,688 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-19 18:37:11,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:37:11,688 INFO L82 PathProgramCache]: Analyzing trace with hash -206483588, now seen corresponding path program 1 times [2020-10-19 18:37:11,688 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:37:11,689 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156791378] [2020-10-19 18:37:11,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:37:11,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:37:11,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:37:11,939 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1156791378] [2020-10-19 18:37:11,939 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:37:11,939 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-19 18:37:11,940 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154255787] [2020-10-19 18:37:11,940 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-19 18:37:11,940 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 18:37:11,941 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-19 18:37:11,941 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-19 18:37:11,941 INFO L87 Difference]: Start difference. First operand 226 states and 278 transitions. Second operand 9 states. [2020-10-19 18:37:12,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:37:12,351 INFO L93 Difference]: Finished difference Result 303 states and 351 transitions. [2020-10-19 18:37:12,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-19 18:37:12,352 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 30 [2020-10-19 18:37:12,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:37:12,354 INFO L225 Difference]: With dead ends: 303 [2020-10-19 18:37:12,354 INFO L226 Difference]: Without dead ends: 300 [2020-10-19 18:37:12,355 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2020-10-19 18:37:12,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2020-10-19 18:37:12,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 239. [2020-10-19 18:37:12,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 239 states. [2020-10-19 18:37:12,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 293 transitions. [2020-10-19 18:37:12,377 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 293 transitions. Word has length 30 [2020-10-19 18:37:12,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:37:12,377 INFO L481 AbstractCegarLoop]: Abstraction has 239 states and 293 transitions. [2020-10-19 18:37:12,377 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-19 18:37:12,377 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 293 transitions. [2020-10-19 18:37:12,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-10-19 18:37:12,378 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:37:12,379 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 18:37:12,379 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-19 18:37:12,379 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-19 18:37:12,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:37:12,380 INFO L82 PathProgramCache]: Analyzing trace with hash -630648114, now seen corresponding path program 1 times [2020-10-19 18:37:12,380 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:37:12,380 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2217960] [2020-10-19 18:37:12,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:37:12,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:37:12,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:37:12,446 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2217960] [2020-10-19 18:37:12,446 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:37:12,446 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-19 18:37:12,447 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538471099] [2020-10-19 18:37:12,447 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-19 18:37:12,447 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 18:37:12,447 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-19 18:37:12,448 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-19 18:37:12,448 INFO L87 Difference]: Start difference. First operand 239 states and 293 transitions. Second operand 7 states. [2020-10-19 18:37:12,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:37:12,602 INFO L93 Difference]: Finished difference Result 278 states and 334 transitions. [2020-10-19 18:37:12,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-19 18:37:12,604 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 30 [2020-10-19 18:37:12,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:37:12,605 INFO L225 Difference]: With dead ends: 278 [2020-10-19 18:37:12,606 INFO L226 Difference]: Without dead ends: 170 [2020-10-19 18:37:12,606 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-10-19 18:37:12,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2020-10-19 18:37:12,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 170. [2020-10-19 18:37:12,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 170 states. [2020-10-19 18:37:12,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 207 transitions. [2020-10-19 18:37:12,622 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 207 transitions. Word has length 30 [2020-10-19 18:37:12,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:37:12,623 INFO L481 AbstractCegarLoop]: Abstraction has 170 states and 207 transitions. [2020-10-19 18:37:12,623 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-19 18:37:12,623 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 207 transitions. [2020-10-19 18:37:12,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-10-19 18:37:12,624 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:37:12,624 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 18:37:12,624 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-19 18:37:12,625 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-19 18:37:12,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:37:12,625 INFO L82 PathProgramCache]: Analyzing trace with hash -2129165813, now seen corresponding path program 1 times [2020-10-19 18:37:12,626 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:37:12,626 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222116410] [2020-10-19 18:37:12,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:37:12,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:37:12,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:37:12,774 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222116410] [2020-10-19 18:37:12,774 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:37:12,774 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-19 18:37:12,775 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888844608] [2020-10-19 18:37:12,775 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-19 18:37:12,775 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 18:37:12,775 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-19 18:37:12,775 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-19 18:37:12,775 INFO L87 Difference]: Start difference. First operand 170 states and 207 transitions. Second operand 8 states. [2020-10-19 18:37:13,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:37:13,005 INFO L93 Difference]: Finished difference Result 215 states and 249 transitions. [2020-10-19 18:37:13,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-19 18:37:13,006 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 30 [2020-10-19 18:37:13,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:37:13,008 INFO L225 Difference]: With dead ends: 215 [2020-10-19 18:37:13,008 INFO L226 Difference]: Without dead ends: 214 [2020-10-19 18:37:13,009 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2020-10-19 18:37:13,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2020-10-19 18:37:13,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 173. [2020-10-19 18:37:13,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 173 states. [2020-10-19 18:37:13,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 210 transitions. [2020-10-19 18:37:13,023 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 210 transitions. Word has length 30 [2020-10-19 18:37:13,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:37:13,024 INFO L481 AbstractCegarLoop]: Abstraction has 173 states and 210 transitions. [2020-10-19 18:37:13,024 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-19 18:37:13,024 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 210 transitions. [2020-10-19 18:37:13,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-10-19 18:37:13,025 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:37:13,025 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 18:37:13,025 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-19 18:37:13,025 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-19 18:37:13,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:37:13,026 INFO L82 PathProgramCache]: Analyzing trace with hash -2129106231, now seen corresponding path program 1 times [2020-10-19 18:37:13,026 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:37:13,027 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094370754] [2020-10-19 18:37:13,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:37:13,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:37:13,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:37:13,144 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2094370754] [2020-10-19 18:37:13,145 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:37:13,145 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-19 18:37:13,145 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107752363] [2020-10-19 18:37:13,145 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-19 18:37:13,145 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 18:37:13,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-19 18:37:13,146 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-19 18:37:13,146 INFO L87 Difference]: Start difference. First operand 173 states and 210 transitions. Second operand 7 states. [2020-10-19 18:37:13,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:37:13,405 INFO L93 Difference]: Finished difference Result 432 states and 496 transitions. [2020-10-19 18:37:13,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-19 18:37:13,406 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 30 [2020-10-19 18:37:13,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:37:13,408 INFO L225 Difference]: With dead ends: 432 [2020-10-19 18:37:13,409 INFO L226 Difference]: Without dead ends: 373 [2020-10-19 18:37:13,410 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-19 18:37:13,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2020-10-19 18:37:13,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 236. [2020-10-19 18:37:13,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 236 states. [2020-10-19 18:37:13,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 289 transitions. [2020-10-19 18:37:13,436 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 289 transitions. Word has length 30 [2020-10-19 18:37:13,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:37:13,437 INFO L481 AbstractCegarLoop]: Abstraction has 236 states and 289 transitions. [2020-10-19 18:37:13,437 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-19 18:37:13,437 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 289 transitions. [2020-10-19 18:37:13,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-10-19 18:37:13,438 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:37:13,438 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 18:37:13,439 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-19 18:37:13,439 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-19 18:37:13,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:37:13,440 INFO L82 PathProgramCache]: Analyzing trace with hash -1723903763, now seen corresponding path program 1 times [2020-10-19 18:37:13,440 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:37:13,440 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535243466] [2020-10-19 18:37:13,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:37:13,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:37:13,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:37:13,588 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [535243466] [2020-10-19 18:37:13,588 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:37:13,588 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-19 18:37:13,589 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98004705] [2020-10-19 18:37:13,589 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-19 18:37:13,589 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 18:37:13,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-19 18:37:13,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-19 18:37:13,590 INFO L87 Difference]: Start difference. First operand 236 states and 289 transitions. Second operand 8 states. [2020-10-19 18:37:13,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:37:13,840 INFO L93 Difference]: Finished difference Result 346 states and 398 transitions. [2020-10-19 18:37:13,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-19 18:37:13,841 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 32 [2020-10-19 18:37:13,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:37:13,843 INFO L225 Difference]: With dead ends: 346 [2020-10-19 18:37:13,843 INFO L226 Difference]: Without dead ends: 315 [2020-10-19 18:37:13,843 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2020-10-19 18:37:13,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2020-10-19 18:37:13,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 236. [2020-10-19 18:37:13,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 236 states. [2020-10-19 18:37:13,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 287 transitions. [2020-10-19 18:37:13,862 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 287 transitions. Word has length 32 [2020-10-19 18:37:13,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:37:13,863 INFO L481 AbstractCegarLoop]: Abstraction has 236 states and 287 transitions. [2020-10-19 18:37:13,863 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-19 18:37:13,863 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 287 transitions. [2020-10-19 18:37:13,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-10-19 18:37:13,864 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:37:13,864 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 18:37:13,865 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-19 18:37:13,865 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-19 18:37:13,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:37:13,866 INFO L82 PathProgramCache]: Analyzing trace with hash -689121517, now seen corresponding path program 1 times [2020-10-19 18:37:13,866 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:37:13,866 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453594146] [2020-10-19 18:37:13,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:37:13,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:37:13,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:37:13,999 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [453594146] [2020-10-19 18:37:13,999 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:37:13,999 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-19 18:37:14,000 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420407799] [2020-10-19 18:37:14,000 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-19 18:37:14,001 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 18:37:14,001 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-19 18:37:14,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-19 18:37:14,001 INFO L87 Difference]: Start difference. First operand 236 states and 287 transitions. Second operand 8 states. [2020-10-19 18:37:14,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:37:14,271 INFO L93 Difference]: Finished difference Result 276 states and 324 transitions. [2020-10-19 18:37:14,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-19 18:37:14,272 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 32 [2020-10-19 18:37:14,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:37:14,274 INFO L225 Difference]: With dead ends: 276 [2020-10-19 18:37:14,275 INFO L226 Difference]: Without dead ends: 275 [2020-10-19 18:37:14,275 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2020-10-19 18:37:14,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2020-10-19 18:37:14,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 233. [2020-10-19 18:37:14,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2020-10-19 18:37:14,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 283 transitions. [2020-10-19 18:37:14,294 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 283 transitions. Word has length 32 [2020-10-19 18:37:14,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:37:14,294 INFO L481 AbstractCegarLoop]: Abstraction has 233 states and 283 transitions. [2020-10-19 18:37:14,295 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-19 18:37:14,295 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 283 transitions. [2020-10-19 18:37:14,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-10-19 18:37:14,296 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:37:14,296 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 18:37:14,296 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-19 18:37:14,296 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-19 18:37:14,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:37:14,297 INFO L82 PathProgramCache]: Analyzing trace with hash -1316923839, now seen corresponding path program 1 times [2020-10-19 18:37:14,297 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:37:14,297 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680777143] [2020-10-19 18:37:14,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:37:14,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:37:14,318 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:37:14,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:37:14,336 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:37:14,362 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 18:37:14,363 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-19 18:37:14,363 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-19 18:37:14,416 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.10 06:37:14 BoogieIcfgContainer [2020-10-19 18:37:14,416 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-19 18:37:14,417 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-19 18:37:14,417 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-19 18:37:14,417 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-19 18:37:14,418 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 06:37:07" (3/4) ... [2020-10-19 18:37:14,423 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-19 18:37:14,423 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-19 18:37:14,426 INFO L168 Benchmark]: Toolchain (without parser) took 7969.18 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 307.8 MB). Free memory was 955.9 MB in the beginning and 1.2 GB in the end (delta: -231.9 MB). Peak memory consumption was 75.8 MB. Max. memory is 11.5 GB. [2020-10-19 18:37:14,427 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 18:37:14,427 INFO L168 Benchmark]: CACSL2BoogieTranslator took 548.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 955.9 MB in the beginning and 1.1 GB in the end (delta: -174.0 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. [2020-10-19 18:37:14,428 INFO L168 Benchmark]: Boogie Procedure Inliner took 57.75 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2020-10-19 18:37:14,429 INFO L168 Benchmark]: Boogie Preprocessor took 40.71 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: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. [2020-10-19 18:37:14,429 INFO L168 Benchmark]: RCFGBuilder took 765.39 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: 44.1 MB). Peak memory consumption was 44.1 MB. Max. memory is 11.5 GB. [2020-10-19 18:37:14,430 INFO L168 Benchmark]: TraceAbstraction took 6539.93 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 173.5 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -110.3 MB). Peak memory consumption was 63.3 MB. Max. memory is 11.5 GB. [2020-10-19 18:37:14,430 INFO L168 Benchmark]: Witness Printer took 6.54 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 18:37:14,433 INFO L339 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 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 548.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 955.9 MB in the beginning and 1.1 GB in the end (delta: -174.0 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 57.75 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 40.71 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: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 765.39 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: 44.1 MB). Peak memory consumption was 44.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 6539.93 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 173.5 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -110.3 MB). Peak memory consumption was 63.3 MB. Max. memory is 11.5 GB. * Witness Printer took 6.54 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 104]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseOr at line 102, overapproximation of bitwiseAnd at line 103. Possible FailurePath: [L218] unsigned int a ; [L219] unsigned int ma = __VERIFIER_nondet_uint(); [L220] signed char ea = __VERIFIER_nondet_char(); [L221] unsigned int b ; [L222] unsigned int mb = __VERIFIER_nondet_uint(); [L223] signed char eb = __VERIFIER_nondet_char(); [L224] unsigned int r_add ; [L225] unsigned int zero ; [L226] int sa ; [L227] int sb ; [L228] int tmp ; [L229] int tmp___0 ; [L230] int tmp___1 ; [L231] int tmp___2 ; [L232] int tmp___3 ; [L233] int tmp___4 ; [L234] int tmp___5 ; [L235] int tmp___6 ; [L236] int tmp___7 ; [L237] int tmp___8 ; [L238] int tmp___9 ; [L239] int __retres23 ; [L17] unsigned int res ; [L18] unsigned int __retres4 ; [L21] COND TRUE ! m [L22] __retres4 = 0U [L72] return (__retres4); [L243] zero = base2flt(0, 0) [L17] unsigned int res ; [L18] unsigned int __retres4 ; [L21] COND FALSE !(! m) [L27] COND FALSE !(m < 1U << 24U) [L49] COND TRUE 1 [L51] COND TRUE m >= 1U << 25U [L56] COND TRUE e >= 127 [L57] __retres4 = 4294967295U [L72] return (__retres4); [L244] a = base2flt(ma, ea) [L17] unsigned int res ; [L18] unsigned int __retres4 ; [L21] COND FALSE !(! m) [L27] COND FALSE !(m < 1U << 24U) [L49] COND TRUE 1 [L51] COND FALSE !(m >= 1U << 25U) [L68] m = m & ~ (1U << 24U) [L69] EXPR e + 128 [L69] res = m | ((unsigned int )(e + 128) << 24U) [L70] __retres4 = res [L72] return (__retres4); [L245] b = base2flt(mb, eb) [L247] COND FALSE !(a < zero) [L250] COND TRUE a > zero [L251] tmp = 1 [L255] sa = tmp [L257] COND FALSE !(b < zero) [L260] COND TRUE b > zero [L261] tmp___0 = 1 [L265] sb = tmp___0 [L76] unsigned int res ; [L77] unsigned int ma ; [L78] unsigned int mb ; [L79] unsigned int delta ; [L80] int ea ; [L81] int eb ; [L82] unsigned int tmp ; [L83] unsigned int __retres10 ; [L86] COND FALSE !(a < b) [L93] COND FALSE !(! b) [L100] ma = a & ((1U << 24U) - 1U) [L101] EXPR (int )(a >> 24U) - 128 [L101] ea = (int )(a >> 24U) - 128 [L102] ma = ma | (1U << 24U) [L103] mb = b & ((1U << 24U) - 1U) [L104] (int )(b >> 24U) - 128 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 151 locations, 28 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 6.4s, OverallIterations: 21, TraceHistogramMax: 2, AutomataDifference: 3.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2412 SDtfs, 3399 SDslu, 5894 SDs, 0 SdLazy, 1467 SolverSat, 231 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 164 GetRequests, 44 SyntacticMatches, 2 SemanticMatches, 118 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=239occurred in iteration=15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 20 MinimizatonAttempts, 1041 StatesRemovedByMinimization, 18 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 436 NumberOfCodeBlocks, 436 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 381 ConstructedInterpolants, 0 QuantifiedInterpolants, 38709 SizeOfPredicates, 0 NumberOfNonLiveVariables, 66 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 21 InterpolantComputations, 20 PerfectInterpolantSequences, 2/4 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: 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...