./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/bitvector/soft_float_4-3a.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_4-3a.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 63854123d7ab77bd9f32ab7eefa710cb72f6a12a .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 18:37:15,116 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 18:37:15,119 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 18:37:15,144 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 18:37:15,144 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 18:37:15,145 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 18:37:15,147 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 18:37:15,149 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 18:37:15,151 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 18:37:15,152 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 18:37:15,153 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 18:37:15,154 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 18:37:15,155 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 18:37:15,156 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 18:37:15,157 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 18:37:15,158 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 18:37:15,159 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 18:37:15,160 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 18:37:15,163 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 18:37:15,165 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 18:37:15,166 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 18:37:15,168 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 18:37:15,169 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 18:37:15,170 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 18:37:15,173 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 18:37:15,173 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 18:37:15,174 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 18:37:15,175 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 18:37:15,175 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 18:37:15,176 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 18:37:15,177 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 18:37:15,178 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 18:37:15,179 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 18:37:15,183 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 18:37:15,184 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 18:37:15,184 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 18:37:15,185 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 18:37:15,185 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 18:37:15,185 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 18:37:15,186 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 18:37:15,187 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 18:37:15,188 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2020-10-19 18:37:15,212 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 18:37:15,213 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 18:37:15,214 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 18:37:15,214 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 18:37:15,214 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 18:37:15,215 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 18:37:15,215 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-19 18:37:15,215 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-19 18:37:15,215 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 18:37:15,216 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-19 18:37:15,216 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 18:37:15,216 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-19 18:37:15,216 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-19 18:37:15,216 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-19 18:37:15,217 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-10-19 18:37:15,217 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-19 18:37:15,217 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-19 18:37:15,217 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 18:37:15,217 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-19 18:37:15,218 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 18:37:15,218 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 18:37:15,218 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-19 18:37:15,218 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-19 18:37:15,219 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-19 18:37:15,219 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 18:37:15,219 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-19 18:37:15,219 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-19 18:37:15,220 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-19 18:37:15,220 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-19 18:37:15,220 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-19 18:37:15,220 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 18:37:15,220 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 -> 63854123d7ab77bd9f32ab7eefa710cb72f6a12a [2020-10-19 18:37:15,597 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 18:37:15,609 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 18:37:15,613 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 18:37:15,614 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 18:37:15,615 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 18:37:15,616 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector/soft_float_4-3a.c.cil.c [2020-10-19 18:37:15,680 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7604091f5/8370291049d2410093bb45932117f4e2/FLAG32908230e [2020-10-19 18:37:16,140 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 18:37:16,141 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/soft_float_4-3a.c.cil.c [2020-10-19 18:37:16,152 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7604091f5/8370291049d2410093bb45932117f4e2/FLAG32908230e [2020-10-19 18:37:16,479 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7604091f5/8370291049d2410093bb45932117f4e2 [2020-10-19 18:37:16,482 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 18:37:16,490 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-19 18:37:16,491 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 18:37:16,491 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 18:37:16,495 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 18:37:16,496 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 06:37:16" (1/1) ... [2020-10-19 18:37:16,499 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c71234a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:37:16, skipping insertion in model container [2020-10-19 18:37:16,500 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 06:37:16" (1/1) ... [2020-10-19 18:37:16,508 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 18:37:16,536 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 18:37:16,753 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 18:37:16,764 INFO L203 MainTranslator]: Completed pre-run [2020-10-19 18:37:16,897 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 18:37:16,916 INFO L208 MainTranslator]: Completed translation [2020-10-19 18:37:16,917 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:37:16 WrapperNode [2020-10-19 18:37:16,917 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 18:37:16,918 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-19 18:37:16,918 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-19 18:37:16,918 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-19 18:37:16,927 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:37:16" (1/1) ... [2020-10-19 18:37:16,938 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:37:16" (1/1) ... [2020-10-19 18:37:16,984 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-19 18:37:16,985 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-19 18:37:16,985 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-19 18:37:16,985 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-19 18:37:16,996 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:37:16" (1/1) ... [2020-10-19 18:37:16,996 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:37:16" (1/1) ... [2020-10-19 18:37:17,001 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:37:16" (1/1) ... [2020-10-19 18:37:17,001 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:37:16" (1/1) ... [2020-10-19 18:37:17,011 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:37:16" (1/1) ... [2020-10-19 18:37:17,019 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:37:16" (1/1) ... [2020-10-19 18:37:17,023 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:37:16" (1/1) ... [2020-10-19 18:37:17,028 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-19 18:37:17,029 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-19 18:37:17,029 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-19 18:37:17,029 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-19 18:37:17,030 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:37:16" (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 18:37:17,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-19 18:37:17,101 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-19 18:37:17,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-19 18:37:17,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-19 18:37:17,836 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-19 18:37:17,836 INFO L298 CfgBuilder]: Removed 48 assume(true) statements. [2020-10-19 18:37:17,839 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 06:37:17 BoogieIcfgContainer [2020-10-19 18:37:17,839 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-19 18:37:17,841 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-19 18:37:17,841 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-19 18:37:17,845 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-19 18:37:17,845 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.10 06:37:16" (1/3) ... [2020-10-19 18:37:17,846 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e8b0ad5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 06:37:17, skipping insertion in model container [2020-10-19 18:37:17,847 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:37:16" (2/3) ... [2020-10-19 18:37:17,847 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e8b0ad5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 06:37:17, skipping insertion in model container [2020-10-19 18:37:17,847 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 06:37:17" (3/3) ... [2020-10-19 18:37:17,850 INFO L111 eAbstractionObserver]: Analyzing ICFG soft_float_4-3a.c.cil.c [2020-10-19 18:37:17,863 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-19 18:37:17,872 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 38 error locations. [2020-10-19 18:37:17,888 INFO L253 AbstractCegarLoop]: Starting to check reachability of 38 error locations. [2020-10-19 18:37:17,918 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-19 18:37:17,919 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-19 18:37:17,919 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-19 18:37:17,919 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-19 18:37:17,920 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-19 18:37:17,920 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-19 18:37:17,921 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-19 18:37:17,921 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-19 18:37:17,950 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states. [2020-10-19 18:37:17,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-10-19 18:37:17,957 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:37:17,958 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-19 18:37:17,959 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-19 18:37:17,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:37:17,967 INFO L82 PathProgramCache]: Analyzing trace with hash 1807791520, now seen corresponding path program 1 times [2020-10-19 18:37:17,979 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:37:17,979 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978697272] [2020-10-19 18:37:17,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:37:18,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:37:18,142 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 18:37:18,143 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [978697272] [2020-10-19 18:37:18,144 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:37:18,145 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 18:37:18,146 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155674510] [2020-10-19 18:37:18,151 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-19 18:37:18,151 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 18:37:18,162 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-19 18:37:18,163 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-19 18:37:18,164 INFO L87 Difference]: Start difference. First operand 160 states. Second operand 2 states. [2020-10-19 18:37:18,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:37:18,202 INFO L93 Difference]: Finished difference Result 291 states and 381 transitions. [2020-10-19 18:37:18,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-19 18:37:18,204 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 7 [2020-10-19 18:37:18,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:37:18,218 INFO L225 Difference]: With dead ends: 291 [2020-10-19 18:37:18,218 INFO L226 Difference]: Without dead ends: 131 [2020-10-19 18:37:18,223 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 18:37:18,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2020-10-19 18:37:18,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2020-10-19 18:37:18,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2020-10-19 18:37:18,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 155 transitions. [2020-10-19 18:37:18,276 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 155 transitions. Word has length 7 [2020-10-19 18:37:18,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:37:18,276 INFO L481 AbstractCegarLoop]: Abstraction has 131 states and 155 transitions. [2020-10-19 18:37:18,276 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-19 18:37:18,277 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 155 transitions. [2020-10-19 18:37:18,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-10-19 18:37:18,277 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:37:18,277 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-19 18:37:18,278 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-19 18:37:18,278 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-19 18:37:18,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:37:18,279 INFO L82 PathProgramCache]: Analyzing trace with hash 1806850254, now seen corresponding path program 1 times [2020-10-19 18:37:18,279 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:37:18,281 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867935696] [2020-10-19 18:37:18,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:37:18,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:37:18,352 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 18:37:18,353 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1867935696] [2020-10-19 18:37:18,353 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:37:18,353 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 18:37:18,353 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936813400] [2020-10-19 18:37:18,355 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 18:37:18,356 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 18:37:18,356 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 18:37:18,357 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 18:37:18,357 INFO L87 Difference]: Start difference. First operand 131 states and 155 transitions. Second operand 3 states. [2020-10-19 18:37:18,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:37:18,504 INFO L93 Difference]: Finished difference Result 259 states and 304 transitions. [2020-10-19 18:37:18,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 18:37:18,504 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2020-10-19 18:37:18,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:37:18,507 INFO L225 Difference]: With dead ends: 259 [2020-10-19 18:37:18,507 INFO L226 Difference]: Without dead ends: 145 [2020-10-19 18:37:18,509 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 18:37:18,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2020-10-19 18:37:18,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 143. [2020-10-19 18:37:18,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2020-10-19 18:37:18,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 168 transitions. [2020-10-19 18:37:18,523 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 168 transitions. Word has length 7 [2020-10-19 18:37:18,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:37:18,524 INFO L481 AbstractCegarLoop]: Abstraction has 143 states and 168 transitions. [2020-10-19 18:37:18,524 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 18:37:18,524 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 168 transitions. [2020-10-19 18:37:18,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-19 18:37:18,525 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:37:18,525 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 18:37:18,526 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-19 18:37:18,526 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-19 18:37:18,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:37:18,527 INFO L82 PathProgramCache]: Analyzing trace with hash -866677448, now seen corresponding path program 1 times [2020-10-19 18:37:18,527 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:37:18,528 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463240006] [2020-10-19 18:37:18,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:37:18,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:37:18,600 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 18:37:18,601 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1463240006] [2020-10-19 18:37:18,601 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:37:18,601 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 18:37:18,602 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885321535] [2020-10-19 18:37:18,602 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-19 18:37:18,602 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 18:37:18,603 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-19 18:37:18,603 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-19 18:37:18,603 INFO L87 Difference]: Start difference. First operand 143 states and 168 transitions. Second operand 4 states. [2020-10-19 18:37:18,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:37:18,748 INFO L93 Difference]: Finished difference Result 220 states and 255 transitions. [2020-10-19 18:37:18,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-19 18:37:18,749 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2020-10-19 18:37:18,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:37:18,752 INFO L225 Difference]: With dead ends: 220 [2020-10-19 18:37:18,752 INFO L226 Difference]: Without dead ends: 213 [2020-10-19 18:37:18,753 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 18:37:18,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2020-10-19 18:37:18,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 144. [2020-10-19 18:37:18,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2020-10-19 18:37:18,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 170 transitions. [2020-10-19 18:37:18,770 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 170 transitions. Word has length 10 [2020-10-19 18:37:18,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:37:18,770 INFO L481 AbstractCegarLoop]: Abstraction has 144 states and 170 transitions. [2020-10-19 18:37:18,770 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-19 18:37:18,771 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 170 transitions. [2020-10-19 18:37:18,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-19 18:37:18,772 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:37:18,772 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 18:37:18,772 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-19 18:37:18,773 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-19 18:37:18,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:37:18,773 INFO L82 PathProgramCache]: Analyzing trace with hash -1097196978, now seen corresponding path program 1 times [2020-10-19 18:37:18,773 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:37:18,774 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260577805] [2020-10-19 18:37:18,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:37:18,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:37:18,811 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 18:37:18,812 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1260577805] [2020-10-19 18:37:18,812 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:37:18,812 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 18:37:18,813 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899546568] [2020-10-19 18:37:18,813 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 18:37:18,813 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 18:37:18,814 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 18:37:18,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 18:37:18,814 INFO L87 Difference]: Start difference. First operand 144 states and 170 transitions. Second operand 3 states. [2020-10-19 18:37:18,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:37:18,912 INFO L93 Difference]: Finished difference Result 212 states and 244 transitions. [2020-10-19 18:37:18,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 18:37:18,913 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2020-10-19 18:37:18,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:37:18,915 INFO L225 Difference]: With dead ends: 212 [2020-10-19 18:37:18,915 INFO L226 Difference]: Without dead ends: 207 [2020-10-19 18:37:18,916 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 18:37:18,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2020-10-19 18:37:18,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 136. [2020-10-19 18:37:18,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2020-10-19 18:37:18,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 162 transitions. [2020-10-19 18:37:18,932 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 162 transitions. Word has length 11 [2020-10-19 18:37:18,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:37:18,933 INFO L481 AbstractCegarLoop]: Abstraction has 136 states and 162 transitions. [2020-10-19 18:37:18,933 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 18:37:18,933 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 162 transitions. [2020-10-19 18:37:18,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-19 18:37:18,934 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:37:18,934 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 18:37:18,935 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-19 18:37:18,935 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-19 18:37:18,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:37:18,936 INFO L82 PathProgramCache]: Analyzing trace with hash 1234080256, now seen corresponding path program 1 times [2020-10-19 18:37:18,936 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:37:18,936 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975858065] [2020-10-19 18:37:18,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:37:18,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:37:19,020 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 18:37:19,023 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975858065] [2020-10-19 18:37:19,023 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:37:19,024 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 18:37:19,024 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137087214] [2020-10-19 18:37:19,024 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-19 18:37:19,025 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 18:37:19,025 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-19 18:37:19,025 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-19 18:37:19,025 INFO L87 Difference]: Start difference. First operand 136 states and 162 transitions. Second operand 4 states. [2020-10-19 18:37:19,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:37:19,140 INFO L93 Difference]: Finished difference Result 208 states and 241 transitions. [2020-10-19 18:37:19,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-19 18:37:19,141 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2020-10-19 18:37:19,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:37:19,142 INFO L225 Difference]: With dead ends: 208 [2020-10-19 18:37:19,143 INFO L226 Difference]: Without dead ends: 206 [2020-10-19 18:37:19,144 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 18:37:19,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2020-10-19 18:37:19,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 138. [2020-10-19 18:37:19,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2020-10-19 18:37:19,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 164 transitions. [2020-10-19 18:37:19,159 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 164 transitions. Word has length 12 [2020-10-19 18:37:19,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:37:19,160 INFO L481 AbstractCegarLoop]: Abstraction has 138 states and 164 transitions. [2020-10-19 18:37:19,160 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-19 18:37:19,160 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 164 transitions. [2020-10-19 18:37:19,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-19 18:37:19,161 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:37:19,161 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 18:37:19,162 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-19 18:37:19,162 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-19 18:37:19,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:37:19,163 INFO L82 PathProgramCache]: Analyzing trace with hash -1595344206, now seen corresponding path program 1 times [2020-10-19 18:37:19,163 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:37:19,163 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971116639] [2020-10-19 18:37:19,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:37:19,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:37:19,215 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 18:37:19,216 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1971116639] [2020-10-19 18:37:19,216 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:37:19,216 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 18:37:19,217 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021929951] [2020-10-19 18:37:19,217 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-19 18:37:19,217 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 18:37:19,218 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-19 18:37:19,218 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-19 18:37:19,219 INFO L87 Difference]: Start difference. First operand 138 states and 164 transitions. Second operand 4 states. [2020-10-19 18:37:19,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:37:19,351 INFO L93 Difference]: Finished difference Result 329 states and 382 transitions. [2020-10-19 18:37:19,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-19 18:37:19,352 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2020-10-19 18:37:19,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:37:19,354 INFO L225 Difference]: With dead ends: 329 [2020-10-19 18:37:19,354 INFO L226 Difference]: Without dead ends: 219 [2020-10-19 18:37:19,355 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 18:37:19,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2020-10-19 18:37:19,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 143. [2020-10-19 18:37:19,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2020-10-19 18:37:19,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 170 transitions. [2020-10-19 18:37:19,369 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 170 transitions. Word has length 12 [2020-10-19 18:37:19,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:37:19,370 INFO L481 AbstractCegarLoop]: Abstraction has 143 states and 170 transitions. [2020-10-19 18:37:19,370 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-19 18:37:19,370 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 170 transitions. [2020-10-19 18:37:19,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-19 18:37:19,372 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:37:19,372 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 18:37:19,372 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-19 18:37:19,373 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-19 18:37:19,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:37:19,374 INFO L82 PathProgramCache]: Analyzing trace with hash -2056836231, now seen corresponding path program 1 times [2020-10-19 18:37:19,374 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:37:19,374 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338793464] [2020-10-19 18:37:19,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:37:19,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:37:19,464 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 18:37:19,465 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [338793464] [2020-10-19 18:37:19,465 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:37:19,465 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 18:37:19,465 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225679199] [2020-10-19 18:37:19,466 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-19 18:37:19,466 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 18:37:19,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-19 18:37:19,467 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-19 18:37:19,467 INFO L87 Difference]: Start difference. First operand 143 states and 170 transitions. Second operand 4 states. [2020-10-19 18:37:19,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:37:19,588 INFO L93 Difference]: Finished difference Result 217 states and 253 transitions. [2020-10-19 18:37:19,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-19 18:37:19,589 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2020-10-19 18:37:19,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:37:19,592 INFO L225 Difference]: With dead ends: 217 [2020-10-19 18:37:19,592 INFO L226 Difference]: Without dead ends: 215 [2020-10-19 18:37:19,593 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 18:37:19,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2020-10-19 18:37:19,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 146. [2020-10-19 18:37:19,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2020-10-19 18:37:19,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 174 transitions. [2020-10-19 18:37:19,606 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 174 transitions. Word has length 13 [2020-10-19 18:37:19,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:37:19,607 INFO L481 AbstractCegarLoop]: Abstraction has 146 states and 174 transitions. [2020-10-19 18:37:19,607 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-19 18:37:19,608 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 174 transitions. [2020-10-19 18:37:19,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-19 18:37:19,611 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:37:19,612 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 18:37:19,612 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-19 18:37:19,613 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-19 18:37:19,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:37:19,614 INFO L82 PathProgramCache]: Analyzing trace with hash 465285246, now seen corresponding path program 1 times [2020-10-19 18:37:19,615 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:37:19,615 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65377813] [2020-10-19 18:37:19,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:37:19,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:37:19,705 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 18:37:19,707 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [65377813] [2020-10-19 18:37:19,707 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2044316793] [2020-10-19 18:37:19,707 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 18:37:19,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:37:19,764 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 3 conjunts are in the unsatisfiable core [2020-10-19 18:37:19,771 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:37:19,843 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 18:37:19,845 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-19 18:37:19,845 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-10-19 18:37:19,846 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80169159] [2020-10-19 18:37:19,847 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-19 18:37:19,847 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 18:37:19,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-19 18:37:19,847 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2020-10-19 18:37:19,848 INFO L87 Difference]: Start difference. First operand 146 states and 174 transitions. Second operand 4 states. [2020-10-19 18:37:19,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:37:19,961 INFO L93 Difference]: Finished difference Result 281 states and 324 transitions. [2020-10-19 18:37:19,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-19 18:37:19,962 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2020-10-19 18:37:19,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:37:19,965 INFO L225 Difference]: With dead ends: 281 [2020-10-19 18:37:19,966 INFO L226 Difference]: Without dead ends: 278 [2020-10-19 18:37:19,966 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 18:37:19,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2020-10-19 18:37:19,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 133. [2020-10-19 18:37:19,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2020-10-19 18:37:19,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 159 transitions. [2020-10-19 18:37:19,986 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 159 transitions. Word has length 13 [2020-10-19 18:37:19,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:37:19,987 INFO L481 AbstractCegarLoop]: Abstraction has 133 states and 159 transitions. [2020-10-19 18:37:19,987 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-19 18:37:19,987 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 159 transitions. [2020-10-19 18:37:19,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-19 18:37:19,993 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:37:19,993 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 18:37:20,206 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2020-10-19 18:37:20,209 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-19 18:37:20,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:37:20,210 INFO L82 PathProgramCache]: Analyzing trace with hash -793504392, now seen corresponding path program 1 times [2020-10-19 18:37:20,210 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:37:20,211 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767894053] [2020-10-19 18:37:20,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:37:20,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:37:20,324 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 18:37:20,324 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1767894053] [2020-10-19 18:37:20,325 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:37:20,325 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-19 18:37:20,326 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435409252] [2020-10-19 18:37:20,326 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-19 18:37:20,327 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 18:37:20,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-19 18:37:20,328 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-19 18:37:20,328 INFO L87 Difference]: Start difference. First operand 133 states and 159 transitions. Second operand 7 states. [2020-10-19 18:37:20,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:37:20,587 INFO L93 Difference]: Finished difference Result 293 states and 344 transitions. [2020-10-19 18:37:20,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-19 18:37:20,588 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 15 [2020-10-19 18:37:20,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:37:20,590 INFO L225 Difference]: With dead ends: 293 [2020-10-19 18:37:20,591 INFO L226 Difference]: Without dead ends: 219 [2020-10-19 18:37:20,592 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2020-10-19 18:37:20,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2020-10-19 18:37:20,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 177. [2020-10-19 18:37:20,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 177 states. [2020-10-19 18:37:20,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 216 transitions. [2020-10-19 18:37:20,608 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 216 transitions. Word has length 15 [2020-10-19 18:37:20,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:37:20,609 INFO L481 AbstractCegarLoop]: Abstraction has 177 states and 216 transitions. [2020-10-19 18:37:20,609 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-19 18:37:20,609 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 216 transitions. [2020-10-19 18:37:20,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-19 18:37:20,615 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:37:20,615 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 18:37:20,616 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-19 18:37:20,616 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-19 18:37:20,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:37:20,618 INFO L82 PathProgramCache]: Analyzing trace with hash -47207071, now seen corresponding path program 1 times [2020-10-19 18:37:20,618 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:37:20,618 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [315177822] [2020-10-19 18:37:20,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:37:20,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:37:20,678 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 18:37:20,679 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [315177822] [2020-10-19 18:37:20,679 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:37:20,679 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 18:37:20,680 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451015574] [2020-10-19 18:37:20,680 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-19 18:37:20,680 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 18:37:20,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-19 18:37:20,681 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-19 18:37:20,681 INFO L87 Difference]: Start difference. First operand 177 states and 216 transitions. Second operand 4 states. [2020-10-19 18:37:20,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:37:20,782 INFO L93 Difference]: Finished difference Result 284 states and 338 transitions. [2020-10-19 18:37:20,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-19 18:37:20,783 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2020-10-19 18:37:20,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:37:20,785 INFO L225 Difference]: With dead ends: 284 [2020-10-19 18:37:20,785 INFO L226 Difference]: Without dead ends: 282 [2020-10-19 18:37:20,786 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 18:37:20,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2020-10-19 18:37:20,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 182. [2020-10-19 18:37:20,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 182 states. [2020-10-19 18:37:20,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 220 transitions. [2020-10-19 18:37:20,803 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 220 transitions. Word has length 15 [2020-10-19 18:37:20,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:37:20,803 INFO L481 AbstractCegarLoop]: Abstraction has 182 states and 220 transitions. [2020-10-19 18:37:20,804 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-19 18:37:20,804 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 220 transitions. [2020-10-19 18:37:20,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-19 18:37:20,805 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:37:20,805 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 18:37:20,805 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-19 18:37:20,806 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-19 18:37:20,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:37:20,806 INFO L82 PathProgramCache]: Analyzing trace with hash 1418335763, now seen corresponding path program 1 times [2020-10-19 18:37:20,807 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:37:20,807 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1857806623] [2020-10-19 18:37:20,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:37:20,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:37:20,835 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 18:37:20,835 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1857806623] [2020-10-19 18:37:20,836 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:37:20,836 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 18:37:20,836 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363457503] [2020-10-19 18:37:20,836 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-19 18:37:20,837 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 18:37:20,837 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-19 18:37:20,837 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-19 18:37:20,837 INFO L87 Difference]: Start difference. First operand 182 states and 220 transitions. Second operand 4 states. [2020-10-19 18:37:20,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:37:20,965 INFO L93 Difference]: Finished difference Result 373 states and 439 transitions. [2020-10-19 18:37:20,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-19 18:37:20,966 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2020-10-19 18:37:20,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:37:20,968 INFO L225 Difference]: With dead ends: 373 [2020-10-19 18:37:20,969 INFO L226 Difference]: Without dead ends: 370 [2020-10-19 18:37:20,969 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 18:37:20,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2020-10-19 18:37:20,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 167. [2020-10-19 18:37:20,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 167 states. [2020-10-19 18:37:20,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 204 transitions. [2020-10-19 18:37:20,983 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 204 transitions. Word has length 15 [2020-10-19 18:37:20,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:37:20,984 INFO L481 AbstractCegarLoop]: Abstraction has 167 states and 204 transitions. [2020-10-19 18:37:20,984 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-19 18:37:20,984 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 204 transitions. [2020-10-19 18:37:20,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-10-19 18:37:20,985 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:37:20,985 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] [2020-10-19 18:37:20,985 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-19 18:37:20,986 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-19 18:37:20,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:37:20,986 INFO L82 PathProgramCache]: Analyzing trace with hash -1101296279, now seen corresponding path program 1 times [2020-10-19 18:37:20,987 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:37:20,987 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244429518] [2020-10-19 18:37:20,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:37:21,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:37:21,113 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 18:37:21,113 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1244429518] [2020-10-19 18:37:21,113 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:37:21,113 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-19 18:37:21,114 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61094610] [2020-10-19 18:37:21,114 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-19 18:37:21,114 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 18:37:21,114 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-19 18:37:21,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-19 18:37:21,115 INFO L87 Difference]: Start difference. First operand 167 states and 204 transitions. Second operand 6 states. [2020-10-19 18:37:21,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:37:21,302 INFO L93 Difference]: Finished difference Result 286 states and 340 transitions. [2020-10-19 18:37:21,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-19 18:37:21,303 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 21 [2020-10-19 18:37:21,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:37:21,304 INFO L225 Difference]: With dead ends: 286 [2020-10-19 18:37:21,305 INFO L226 Difference]: Without dead ends: 285 [2020-10-19 18:37:21,305 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2020-10-19 18:37:21,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2020-10-19 18:37:21,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 183. [2020-10-19 18:37:21,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 183 states. [2020-10-19 18:37:21,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 223 transitions. [2020-10-19 18:37:21,321 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 223 transitions. Word has length 21 [2020-10-19 18:37:21,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:37:21,321 INFO L481 AbstractCegarLoop]: Abstraction has 183 states and 223 transitions. [2020-10-19 18:37:21,321 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-19 18:37:21,321 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 223 transitions. [2020-10-19 18:37:21,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-19 18:37:21,322 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:37:21,322 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] [2020-10-19 18:37:21,323 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-19 18:37:21,323 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-19 18:37:21,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:37:21,323 INFO L82 PathProgramCache]: Analyzing trace with hash -1783760179, now seen corresponding path program 1 times [2020-10-19 18:37:21,323 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:37:21,324 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [504093682] [2020-10-19 18:37:21,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:37:21,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:37:21,391 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 18:37:21,391 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [504093682] [2020-10-19 18:37:21,392 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:37:21,392 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-19 18:37:21,392 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477011982] [2020-10-19 18:37:21,392 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-19 18:37:21,393 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 18:37:21,393 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-19 18:37:21,393 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-19 18:37:21,393 INFO L87 Difference]: Start difference. First operand 183 states and 223 transitions. Second operand 7 states. [2020-10-19 18:37:21,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:37:21,571 INFO L93 Difference]: Finished difference Result 225 states and 259 transitions. [2020-10-19 18:37:21,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-19 18:37:21,572 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 23 [2020-10-19 18:37:21,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:37:21,573 INFO L225 Difference]: With dead ends: 225 [2020-10-19 18:37:21,573 INFO L226 Difference]: Without dead ends: 170 [2020-10-19 18:37:21,574 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2020-10-19 18:37:21,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2020-10-19 18:37:21,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 135. [2020-10-19 18:37:21,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2020-10-19 18:37:21,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 162 transitions. [2020-10-19 18:37:21,585 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 162 transitions. Word has length 23 [2020-10-19 18:37:21,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:37:21,585 INFO L481 AbstractCegarLoop]: Abstraction has 135 states and 162 transitions. [2020-10-19 18:37:21,586 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-19 18:37:21,586 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 162 transitions. [2020-10-19 18:37:21,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-19 18:37:21,586 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:37:21,587 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] [2020-10-19 18:37:21,587 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-19 18:37:21,587 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-19 18:37:21,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:37:21,587 INFO L82 PathProgramCache]: Analyzing trace with hash 1387825709, now seen corresponding path program 1 times [2020-10-19 18:37:21,588 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:37:21,588 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204911044] [2020-10-19 18:37:21,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:37:21,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:37:21,643 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 18:37:21,644 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204911044] [2020-10-19 18:37:21,644 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:37:21,644 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-19 18:37:21,644 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814034661] [2020-10-19 18:37:21,644 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-19 18:37:21,645 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 18:37:21,645 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-19 18:37:21,645 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-19 18:37:21,645 INFO L87 Difference]: Start difference. First operand 135 states and 162 transitions. Second operand 7 states. [2020-10-19 18:37:21,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:37:21,771 INFO L93 Difference]: Finished difference Result 195 states and 224 transitions. [2020-10-19 18:37:21,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-19 18:37:21,771 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 23 [2020-10-19 18:37:21,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:37:21,773 INFO L225 Difference]: With dead ends: 195 [2020-10-19 18:37:21,773 INFO L226 Difference]: Without dead ends: 167 [2020-10-19 18:37:21,773 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2020-10-19 18:37:21,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2020-10-19 18:37:21,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 141. [2020-10-19 18:37:21,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2020-10-19 18:37:21,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 168 transitions. [2020-10-19 18:37:21,784 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 168 transitions. Word has length 23 [2020-10-19 18:37:21,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:37:21,784 INFO L481 AbstractCegarLoop]: Abstraction has 141 states and 168 transitions. [2020-10-19 18:37:21,784 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-19 18:37:21,785 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 168 transitions. [2020-10-19 18:37:21,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-19 18:37:21,785 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:37:21,785 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] [2020-10-19 18:37:21,786 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-19 18:37:21,786 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-19 18:37:21,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:37:21,786 INFO L82 PathProgramCache]: Analyzing trace with hash -322402664, now seen corresponding path program 1 times [2020-10-19 18:37:21,787 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:37:21,787 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1237787016] [2020-10-19 18:37:21,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:37:21,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:37:21,899 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 18:37:21,899 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1237787016] [2020-10-19 18:37:21,900 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:37:21,900 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-19 18:37:21,900 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000218559] [2020-10-19 18:37:21,900 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-19 18:37:21,900 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 18:37:21,901 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-19 18:37:21,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-19 18:37:21,901 INFO L87 Difference]: Start difference. First operand 141 states and 168 transitions. Second operand 7 states. [2020-10-19 18:37:22,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:37:22,123 INFO L93 Difference]: Finished difference Result 259 states and 294 transitions. [2020-10-19 18:37:22,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-19 18:37:22,123 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 23 [2020-10-19 18:37:22,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:37:22,125 INFO L225 Difference]: With dead ends: 259 [2020-10-19 18:37:22,125 INFO L226 Difference]: Without dead ends: 227 [2020-10-19 18:37:22,126 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2020-10-19 18:37:22,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2020-10-19 18:37:22,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 144. [2020-10-19 18:37:22,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2020-10-19 18:37:22,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 171 transitions. [2020-10-19 18:37:22,137 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 171 transitions. Word has length 23 [2020-10-19 18:37:22,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:37:22,138 INFO L481 AbstractCegarLoop]: Abstraction has 144 states and 171 transitions. [2020-10-19 18:37:22,138 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-19 18:37:22,138 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 171 transitions. [2020-10-19 18:37:22,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-19 18:37:22,139 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:37:22,139 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] [2020-10-19 18:37:22,139 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-19 18:37:22,139 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-19 18:37:22,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:37:22,140 INFO L82 PathProgramCache]: Analyzing trace with hash -322343082, now seen corresponding path program 1 times [2020-10-19 18:37:22,140 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:37:22,140 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182988948] [2020-10-19 18:37:22,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:37:22,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:37:22,240 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 18:37:22,240 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1182988948] [2020-10-19 18:37:22,240 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:37:22,240 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-19 18:37:22,241 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544507884] [2020-10-19 18:37:22,241 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-19 18:37:22,241 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 18:37:22,241 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-19 18:37:22,242 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-19 18:37:22,242 INFO L87 Difference]: Start difference. First operand 144 states and 171 transitions. Second operand 7 states. [2020-10-19 18:37:22,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:37:22,484 INFO L93 Difference]: Finished difference Result 410 states and 466 transitions. [2020-10-19 18:37:22,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-19 18:37:22,485 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 23 [2020-10-19 18:37:22,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:37:22,487 INFO L225 Difference]: With dead ends: 410 [2020-10-19 18:37:22,487 INFO L226 Difference]: Without dead ends: 409 [2020-10-19 18:37:22,488 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-19 18:37:22,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2020-10-19 18:37:22,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 170. [2020-10-19 18:37:22,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 170 states. [2020-10-19 18:37:22,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 205 transitions. [2020-10-19 18:37:22,502 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 205 transitions. Word has length 23 [2020-10-19 18:37:22,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:37:22,503 INFO L481 AbstractCegarLoop]: Abstraction has 170 states and 205 transitions. [2020-10-19 18:37:22,503 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-19 18:37:22,503 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 205 transitions. [2020-10-19 18:37:22,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-10-19 18:37:22,504 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:37:22,504 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] [2020-10-19 18:37:22,504 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-19 18:37:22,504 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-19 18:37:22,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:37:22,505 INFO L82 PathProgramCache]: Analyzing trace with hash -1977052851, now seen corresponding path program 1 times [2020-10-19 18:37:22,505 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:37:22,505 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [13813117] [2020-10-19 18:37:22,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:37:22,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:37:22,612 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 18:37:22,612 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [13813117] [2020-10-19 18:37:22,612 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:37:22,612 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-19 18:37:22,613 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615447371] [2020-10-19 18:37:22,613 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-19 18:37:22,613 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 18:37:22,613 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-19 18:37:22,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-19 18:37:22,614 INFO L87 Difference]: Start difference. First operand 170 states and 205 transitions. Second operand 7 states. [2020-10-19 18:37:22,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:37:22,929 INFO L93 Difference]: Finished difference Result 461 states and 517 transitions. [2020-10-19 18:37:22,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-19 18:37:22,929 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 25 [2020-10-19 18:37:22,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:37:22,932 INFO L225 Difference]: With dead ends: 461 [2020-10-19 18:37:22,932 INFO L226 Difference]: Without dead ends: 460 [2020-10-19 18:37:22,933 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2020-10-19 18:37:22,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states. [2020-10-19 18:37:22,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 213. [2020-10-19 18:37:22,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 213 states. [2020-10-19 18:37:22,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 263 transitions. [2020-10-19 18:37:22,956 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 263 transitions. Word has length 25 [2020-10-19 18:37:22,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:37:22,956 INFO L481 AbstractCegarLoop]: Abstraction has 213 states and 263 transitions. [2020-10-19 18:37:22,956 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-19 18:37:22,956 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 263 transitions. [2020-10-19 18:37:22,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-10-19 18:37:22,957 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:37:22,957 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] [2020-10-19 18:37:22,957 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-19 18:37:22,958 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-19 18:37:22,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:37:22,958 INFO L82 PathProgramCache]: Analyzing trace with hash -591306022, now seen corresponding path program 1 times [2020-10-19 18:37:22,958 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:37:22,959 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228264423] [2020-10-19 18:37:22,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:37:22,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:37:23,083 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 18:37:23,083 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1228264423] [2020-10-19 18:37:23,084 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:37:23,084 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-19 18:37:23,088 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726846945] [2020-10-19 18:37:23,089 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-19 18:37:23,089 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 18:37:23,089 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-19 18:37:23,089 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-19 18:37:23,090 INFO L87 Difference]: Start difference. First operand 213 states and 263 transitions. Second operand 8 states. [2020-10-19 18:37:23,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:37:23,607 INFO L93 Difference]: Finished difference Result 494 states and 551 transitions. [2020-10-19 18:37:23,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-19 18:37:23,609 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 25 [2020-10-19 18:37:23,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:37:23,612 INFO L225 Difference]: With dead ends: 494 [2020-10-19 18:37:23,612 INFO L226 Difference]: Without dead ends: 427 [2020-10-19 18:37:23,613 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2020-10-19 18:37:23,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427 states. [2020-10-19 18:37:23,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 427 to 210. [2020-10-19 18:37:23,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 210 states. [2020-10-19 18:37:23,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 256 transitions. [2020-10-19 18:37:23,640 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 256 transitions. Word has length 25 [2020-10-19 18:37:23,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:37:23,641 INFO L481 AbstractCegarLoop]: Abstraction has 210 states and 256 transitions. [2020-10-19 18:37:23,641 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-19 18:37:23,641 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 256 transitions. [2020-10-19 18:37:23,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-10-19 18:37:23,642 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:37:23,642 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] [2020-10-19 18:37:23,643 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-19 18:37:23,643 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-19 18:37:23,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:37:23,644 INFO L82 PathProgramCache]: Analyzing trace with hash 1716642380, now seen corresponding path program 1 times [2020-10-19 18:37:23,644 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:37:23,644 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494641596] [2020-10-19 18:37:23,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:37:23,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:37:23,768 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 18:37:23,769 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494641596] [2020-10-19 18:37:23,769 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:37:23,769 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-19 18:37:23,769 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917902247] [2020-10-19 18:37:23,770 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-19 18:37:23,770 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 18:37:23,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-19 18:37:23,771 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-19 18:37:23,771 INFO L87 Difference]: Start difference. First operand 210 states and 256 transitions. Second operand 7 states. [2020-10-19 18:37:24,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:37:24,083 INFO L93 Difference]: Finished difference Result 314 states and 377 transitions. [2020-10-19 18:37:24,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-19 18:37:24,084 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 25 [2020-10-19 18:37:24,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:37:24,086 INFO L225 Difference]: With dead ends: 314 [2020-10-19 18:37:24,086 INFO L226 Difference]: Without dead ends: 313 [2020-10-19 18:37:24,086 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2020-10-19 18:37:24,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2020-10-19 18:37:24,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 210. [2020-10-19 18:37:24,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 210 states. [2020-10-19 18:37:24,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 255 transitions. [2020-10-19 18:37:24,105 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 255 transitions. Word has length 25 [2020-10-19 18:37:24,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:37:24,105 INFO L481 AbstractCegarLoop]: Abstraction has 210 states and 255 transitions. [2020-10-19 18:37:24,105 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-19 18:37:24,105 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 255 transitions. [2020-10-19 18:37:24,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-10-19 18:37:24,106 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:37:24,106 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] [2020-10-19 18:37:24,108 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-19 18:37:24,108 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-19 18:37:24,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:37:24,108 INFO L82 PathProgramCache]: Analyzing trace with hash -1572233071, now seen corresponding path program 1 times [2020-10-19 18:37:24,109 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:37:24,109 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744792129] [2020-10-19 18:37:24,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:37:24,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:37:24,184 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 18:37:24,185 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [744792129] [2020-10-19 18:37:24,185 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:37:24,185 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-19 18:37:24,185 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160180712] [2020-10-19 18:37:24,186 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-19 18:37:24,186 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 18:37:24,186 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-19 18:37:24,186 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-19 18:37:24,186 INFO L87 Difference]: Start difference. First operand 210 states and 255 transitions. Second operand 7 states. [2020-10-19 18:37:24,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:37:24,364 INFO L93 Difference]: Finished difference Result 242 states and 287 transitions. [2020-10-19 18:37:24,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-19 18:37:24,365 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 27 [2020-10-19 18:37:24,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:37:24,366 INFO L225 Difference]: With dead ends: 242 [2020-10-19 18:37:24,366 INFO L226 Difference]: Without dead ends: 196 [2020-10-19 18:37:24,367 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2020-10-19 18:37:24,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2020-10-19 18:37:24,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 190. [2020-10-19 18:37:24,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 190 states. [2020-10-19 18:37:24,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 231 transitions. [2020-10-19 18:37:24,383 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 231 transitions. Word has length 27 [2020-10-19 18:37:24,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:37:24,383 INFO L481 AbstractCegarLoop]: Abstraction has 190 states and 231 transitions. [2020-10-19 18:37:24,383 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-19 18:37:24,383 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 231 transitions. [2020-10-19 18:37:24,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-10-19 18:37:24,384 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:37:24,384 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] [2020-10-19 18:37:24,384 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-19 18:37:24,384 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-19 18:37:24,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:37:24,385 INFO L82 PathProgramCache]: Analyzing trace with hash -2118741572, now seen corresponding path program 1 times [2020-10-19 18:37:24,385 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:37:24,385 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202730467] [2020-10-19 18:37:24,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:37:24,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:37:24,633 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 18:37:24,634 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1202730467] [2020-10-19 18:37:24,634 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:37:24,634 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-19 18:37:24,634 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37081261] [2020-10-19 18:37:24,634 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-19 18:37:24,635 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 18:37:24,635 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-19 18:37:24,635 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2020-10-19 18:37:24,635 INFO L87 Difference]: Start difference. First operand 190 states and 231 transitions. Second operand 11 states. [2020-10-19 18:37:27,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:37:27,609 INFO L93 Difference]: Finished difference Result 318 states and 366 transitions. [2020-10-19 18:37:27,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-19 18:37:27,610 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 27 [2020-10-19 18:37:27,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:37:27,612 INFO L225 Difference]: With dead ends: 318 [2020-10-19 18:37:27,612 INFO L226 Difference]: Without dead ends: 315 [2020-10-19 18:37:27,613 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=85, Invalid=295, Unknown=0, NotChecked=0, Total=380 [2020-10-19 18:37:27,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2020-10-19 18:37:27,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 203. [2020-10-19 18:37:27,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 203 states. [2020-10-19 18:37:27,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 248 transitions. [2020-10-19 18:37:27,632 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 248 transitions. Word has length 27 [2020-10-19 18:37:27,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:37:27,632 INFO L481 AbstractCegarLoop]: Abstraction has 203 states and 248 transitions. [2020-10-19 18:37:27,632 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-19 18:37:27,632 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 248 transitions. [2020-10-19 18:37:27,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-10-19 18:37:27,633 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:37:27,633 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] [2020-10-19 18:37:27,634 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-19 18:37:27,634 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-19 18:37:27,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:37:27,635 INFO L82 PathProgramCache]: Analyzing trace with hash 350457026, now seen corresponding path program 1 times [2020-10-19 18:37:27,635 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:37:27,635 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147048370] [2020-10-19 18:37:27,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:37:27,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:37:27,650 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:37:27,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:37:27,662 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:37:27,685 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 18:37:27,685 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-19 18:37:27,686 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-10-19 18:37:27,752 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.10 06:37:27 BoogieIcfgContainer [2020-10-19 18:37:27,752 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-19 18:37:27,755 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-19 18:37:27,756 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-19 18:37:27,756 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-19 18:37:27,756 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 06:37:17" (3/4) ... [2020-10-19 18:37:27,761 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-19 18:37:27,761 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-19 18:37:27,765 INFO L168 Benchmark]: Toolchain (without parser) took 11279.45 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 246.9 MB). Free memory was 960.0 MB in the beginning and 1.0 GB in the end (delta: -48.1 MB). Peak memory consumption was 198.8 MB. Max. memory is 11.5 GB. [2020-10-19 18:37:27,766 INFO L168 Benchmark]: CDTParser took 0.20 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 18:37:27,775 INFO L168 Benchmark]: CACSL2BoogieTranslator took 426.25 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 71.3 MB). Free memory was 960.0 MB in the beginning and 1.1 GB in the end (delta: -99.5 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. [2020-10-19 18:37:27,775 INFO L168 Benchmark]: Boogie Procedure Inliner took 66.60 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 18:37:27,776 INFO L168 Benchmark]: Boogie Preprocessor took 43.75 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2020-10-19 18:37:27,776 INFO L168 Benchmark]: RCFGBuilder took 810.98 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 42.6 MB). Peak memory consumption was 42.6 MB. Max. memory is 11.5 GB. [2020-10-19 18:37:27,777 INFO L168 Benchmark]: TraceAbstraction took 9911.80 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 175.6 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 1.7 MB). Peak memory consumption was 177.4 MB. Max. memory is 11.5 GB. [2020-10-19 18:37:27,777 INFO L168 Benchmark]: Witness Printer took 6.22 ms. Allocated memory is still 1.3 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 18:37:27,783 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 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 426.25 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 71.3 MB). Free memory was 960.0 MB in the beginning and 1.1 GB in the end (delta: -99.5 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 66.60 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 43.75 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 810.98 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 42.6 MB). Peak memory consumption was 42.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 9911.80 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 175.6 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 1.7 MB). Peak memory consumption was 177.4 MB. Max. memory is 11.5 GB. * Witness Printer took 6.22 ms. Allocated memory is still 1.3 GB. Free memory is still 1.0 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_add1 ; [L225] unsigned int r_add2 ; [L226] unsigned int zero ; [L227] int tmp ; [L228] int tmp___0 ; [L229] int __retres14 ; [L17] unsigned int res ; [L18] unsigned int __retres4 ; [L21] COND TRUE ! m [L22] __retres4 = 0U [L72] return (__retres4); [L233] 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); [L234] 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); [L235] b = base2flt(mb, eb) [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, 160 locations, 38 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 9.7s, OverallIterations: 22, TraceHistogramMax: 2, AutomataDifference: 6.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3482 SDtfs, 4796 SDslu, 8795 SDs, 0 SdLazy, 2122 SolverSat, 275 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 4.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 185 GetRequests, 47 SyntacticMatches, 1 SemanticMatches, 137 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=213occurred in iteration=17, 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, 21 MinimizatonAttempts, 2015 StatesRemovedByMinimization, 20 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 412 NumberOfCodeBlocks, 412 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 363 ConstructedInterpolants, 0 QuantifiedInterpolants, 31247 SizeOfPredicates, 0 NumberOfNonLiveVariables, 66 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 22 InterpolantComputations, 21 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...