./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/bitvector/soft_float_1-3a.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 54858612 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/bitvector/soft_float_1-3a.c.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f4f20531c98faa0af8884f2ddaf47888911b3a46 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis No suitable file found in config dir /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config using search string *Overflow*32bit*_Bitvector*.epf No suitable settings file found using Overflow*32bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.2.0-5485861 [2020-10-26 04:10:45,928 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-26 04:10:45,932 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-26 04:10:45,993 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-26 04:10:45,994 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-26 04:10:45,999 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-26 04:10:46,002 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-26 04:10:46,009 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-26 04:10:46,013 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-26 04:10:46,019 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-26 04:10:46,021 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-26 04:10:46,025 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-26 04:10:46,026 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-26 04:10:46,029 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-26 04:10:46,030 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-26 04:10:46,032 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-26 04:10:46,033 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-26 04:10:46,036 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-26 04:10:46,039 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-26 04:10:46,052 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-26 04:10:46,054 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-26 04:10:46,055 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-26 04:10:46,057 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-26 04:10:46,059 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-26 04:10:46,067 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-26 04:10:46,067 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-26 04:10:46,068 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-26 04:10:46,070 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-26 04:10:46,070 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-26 04:10:46,071 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-26 04:10:46,072 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-26 04:10:46,073 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-26 04:10:46,075 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-26 04:10:46,076 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-26 04:10:46,077 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-26 04:10:46,077 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-26 04:10:46,078 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-26 04:10:46,078 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-26 04:10:46,079 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-26 04:10:46,081 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-26 04:10:46,082 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-26 04:10:46,085 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2020-10-26 04:10:46,137 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-26 04:10:46,137 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-26 04:10:46,139 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-26 04:10:46,139 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-26 04:10:46,140 INFO L138 SettingsManager]: * Use SBE=true [2020-10-26 04:10:46,140 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-26 04:10:46,140 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-26 04:10:46,140 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-26 04:10:46,141 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-26 04:10:46,141 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-26 04:10:46,141 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-26 04:10:46,141 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-26 04:10:46,142 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-26 04:10:46,142 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-26 04:10:46,142 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-10-26 04:10:46,142 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-26 04:10:46,143 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-26 04:10:46,143 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-26 04:10:46,143 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-26 04:10:46,143 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-26 04:10:46,144 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-26 04:10:46,144 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-26 04:10:46,144 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-26 04:10:46,145 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-26 04:10:46,145 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-26 04:10:46,145 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-26 04:10:46,145 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-26 04:10:46,146 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-26 04:10:46,146 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-26 04:10:46,146 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-26 04:10:46,146 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-26 04:10:46,147 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f4f20531c98faa0af8884f2ddaf47888911b3a46 [2020-10-26 04:10:46,532 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-26 04:10:46,581 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-26 04:10:46,587 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-26 04:10:46,589 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-26 04:10:46,589 INFO L275 PluginConnector]: CDTParser initialized [2020-10-26 04:10:46,591 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector/soft_float_1-3a.c.cil.c [2020-10-26 04:10:46,689 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c9713c5c/fc839c2649a0409ab201845b7d382e48/FLAG45b81686a [2020-10-26 04:10:47,447 INFO L306 CDTParser]: Found 1 translation units. [2020-10-26 04:10:47,448 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/soft_float_1-3a.c.cil.c [2020-10-26 04:10:47,458 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c9713c5c/fc839c2649a0409ab201845b7d382e48/FLAG45b81686a [2020-10-26 04:10:47,781 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c9713c5c/fc839c2649a0409ab201845b7d382e48 [2020-10-26 04:10:47,785 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-26 04:10:47,792 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-26 04:10:47,796 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-26 04:10:47,796 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-26 04:10:47,803 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-26 04:10:47,804 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 04:10:47" (1/1) ... [2020-10-26 04:10:47,808 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c9bdad6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:10:47, skipping insertion in model container [2020-10-26 04:10:47,808 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 04:10:47" (1/1) ... [2020-10-26 04:10:47,818 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-26 04:10:47,848 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-26 04:10:48,230 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 04:10:48,246 INFO L203 MainTranslator]: Completed pre-run [2020-10-26 04:10:48,294 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 04:10:48,314 INFO L208 MainTranslator]: Completed translation [2020-10-26 04:10:48,314 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:10:48 WrapperNode [2020-10-26 04:10:48,315 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-26 04:10:48,316 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-26 04:10:48,316 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-26 04:10:48,316 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-26 04:10:48,327 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:10:48" (1/1) ... [2020-10-26 04:10:48,339 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:10:48" (1/1) ... [2020-10-26 04:10:48,400 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-26 04:10:48,401 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-26 04:10:48,401 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-26 04:10:48,401 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-26 04:10:48,416 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:10:48" (1/1) ... [2020-10-26 04:10:48,416 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:10:48" (1/1) ... [2020-10-26 04:10:48,433 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:10:48" (1/1) ... [2020-10-26 04:10:48,433 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:10:48" (1/1) ... [2020-10-26 04:10:48,455 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:10:48" (1/1) ... [2020-10-26 04:10:48,472 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:10:48" (1/1) ... [2020-10-26 04:10:48,477 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:10:48" (1/1) ... [2020-10-26 04:10:48,486 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-26 04:10:48,490 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-26 04:10:48,490 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-26 04:10:48,490 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-26 04:10:48,491 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:10:48" (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 [2020-10-26 04:10:48,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-26 04:10:48,614 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-26 04:10:48,615 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-26 04:10:48,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-26 04:10:49,892 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-26 04:10:49,893 INFO L298 CfgBuilder]: Removed 42 assume(true) statements. [2020-10-26 04:10:49,894 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 04:10:49 BoogieIcfgContainer [2020-10-26 04:10:49,894 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-26 04:10:49,896 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-26 04:10:49,896 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-26 04:10:49,900 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-26 04:10:49,900 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 04:10:47" (1/3) ... [2020-10-26 04:10:49,901 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1af500e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 04:10:49, skipping insertion in model container [2020-10-26 04:10:49,901 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:10:48" (2/3) ... [2020-10-26 04:10:49,901 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1af500e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 04:10:49, skipping insertion in model container [2020-10-26 04:10:49,901 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 04:10:49" (3/3) ... [2020-10-26 04:10:49,903 INFO L111 eAbstractionObserver]: Analyzing ICFG soft_float_1-3a.c.cil.c [2020-10-26 04:10:49,914 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-26 04:10:49,919 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 28 error locations. [2020-10-26 04:10:49,932 INFO L253 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2020-10-26 04:10:49,962 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-26 04:10:49,962 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-26 04:10:49,962 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-26 04:10:49,962 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-26 04:10:49,962 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-26 04:10:49,963 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-26 04:10:49,963 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-26 04:10:49,963 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-26 04:10:49,987 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states. [2020-10-26 04:10:49,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-10-26 04:10:49,993 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 04:10:50,001 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-26 04:10:50,002 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-26 04:10:50,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:10:50,009 INFO L82 PathProgramCache]: Analyzing trace with hash 1807791520, now seen corresponding path program 1 times [2020-10-26 04:10:50,023 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:10:50,024 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736722216] [2020-10-26 04:10:50,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:10:50,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:10:50,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 04:10:50,180 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1736722216] [2020-10-26 04:10:50,181 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 04:10:50,181 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-26 04:10:50,182 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087166732] [2020-10-26 04:10:50,187 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-26 04:10:50,187 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-26 04:10:50,202 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-26 04:10:50,203 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-26 04:10:50,206 INFO L87 Difference]: Start difference. First operand 151 states. Second operand 2 states. [2020-10-26 04:10:50,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 04:10:50,245 INFO L93 Difference]: Finished difference Result 276 states and 384 transitions. [2020-10-26 04:10:50,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-26 04:10:50,246 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 7 [2020-10-26 04:10:50,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 04:10:50,259 INFO L225 Difference]: With dead ends: 276 [2020-10-26 04:10:50,260 INFO L226 Difference]: Without dead ends: 107 [2020-10-26 04:10:50,264 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 [2020-10-26 04:10:50,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2020-10-26 04:10:50,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2020-10-26 04:10:50,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2020-10-26 04:10:50,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 130 transitions. [2020-10-26 04:10:50,318 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 130 transitions. Word has length 7 [2020-10-26 04:10:50,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 04:10:50,318 INFO L481 AbstractCegarLoop]: Abstraction has 107 states and 130 transitions. [2020-10-26 04:10:50,318 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-26 04:10:50,318 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 130 transitions. [2020-10-26 04:10:50,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-10-26 04:10:50,319 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 04:10:50,319 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-26 04:10:50,320 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-26 04:10:50,320 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-26 04:10:50,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:10:50,321 INFO L82 PathProgramCache]: Analyzing trace with hash 1806850254, now seen corresponding path program 1 times [2020-10-26 04:10:50,321 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:10:50,322 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486204203] [2020-10-26 04:10:50,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:10:50,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:10:50,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 04:10:50,394 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1486204203] [2020-10-26 04:10:50,394 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 04:10:50,394 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-26 04:10:50,395 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762628130] [2020-10-26 04:10:50,396 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-26 04:10:50,396 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-26 04:10:50,397 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-26 04:10:50,398 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-26 04:10:50,398 INFO L87 Difference]: Start difference. First operand 107 states and 130 transitions. Second operand 3 states. [2020-10-26 04:10:50,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 04:10:50,549 INFO L93 Difference]: Finished difference Result 211 states and 254 transitions. [2020-10-26 04:10:50,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-26 04:10:50,550 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2020-10-26 04:10:50,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 04:10:50,552 INFO L225 Difference]: With dead ends: 211 [2020-10-26 04:10:50,552 INFO L226 Difference]: Without dead ends: 121 [2020-10-26 04:10:50,553 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 [2020-10-26 04:10:50,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2020-10-26 04:10:50,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 119. [2020-10-26 04:10:50,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2020-10-26 04:10:50,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 143 transitions. [2020-10-26 04:10:50,567 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 143 transitions. Word has length 7 [2020-10-26 04:10:50,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 04:10:50,567 INFO L481 AbstractCegarLoop]: Abstraction has 119 states and 143 transitions. [2020-10-26 04:10:50,568 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-26 04:10:50,568 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 143 transitions. [2020-10-26 04:10:50,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-26 04:10:50,569 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 04:10:50,569 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 04:10:50,569 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-26 04:10:50,570 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-26 04:10:50,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:10:50,571 INFO L82 PathProgramCache]: Analyzing trace with hash -866677448, now seen corresponding path program 1 times [2020-10-26 04:10:50,571 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:10:50,571 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536910675] [2020-10-26 04:10:50,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:10:50,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:10:50,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 04:10:50,626 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536910675] [2020-10-26 04:10:50,627 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 04:10:50,627 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-26 04:10:50,627 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407273477] [2020-10-26 04:10:50,627 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-26 04:10:50,628 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-26 04:10:50,628 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-26 04:10:50,629 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-26 04:10:50,629 INFO L87 Difference]: Start difference. First operand 119 states and 143 transitions. Second operand 4 states. [2020-10-26 04:10:50,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 04:10:50,800 INFO L93 Difference]: Finished difference Result 172 states and 205 transitions. [2020-10-26 04:10:50,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-26 04:10:50,801 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2020-10-26 04:10:50,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 04:10:50,803 INFO L225 Difference]: With dead ends: 172 [2020-10-26 04:10:50,803 INFO L226 Difference]: Without dead ends: 165 [2020-10-26 04:10:50,804 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 [2020-10-26 04:10:50,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2020-10-26 04:10:50,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 120. [2020-10-26 04:10:50,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2020-10-26 04:10:50,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 145 transitions. [2020-10-26 04:10:50,819 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 145 transitions. Word has length 10 [2020-10-26 04:10:50,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 04:10:50,819 INFO L481 AbstractCegarLoop]: Abstraction has 120 states and 145 transitions. [2020-10-26 04:10:50,820 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-26 04:10:50,820 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 145 transitions. [2020-10-26 04:10:50,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-26 04:10:50,821 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 04:10:50,821 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 04:10:50,821 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-26 04:10:50,822 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-26 04:10:50,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:10:50,823 INFO L82 PathProgramCache]: Analyzing trace with hash -1097196978, now seen corresponding path program 1 times [2020-10-26 04:10:50,823 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:10:50,823 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487509831] [2020-10-26 04:10:50,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:10:50,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:10:50,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 04:10:50,893 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1487509831] [2020-10-26 04:10:50,895 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 04:10:50,895 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-26 04:10:50,895 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292545830] [2020-10-26 04:10:50,896 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-26 04:10:50,896 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-26 04:10:50,898 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-26 04:10:50,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-26 04:10:50,899 INFO L87 Difference]: Start difference. First operand 120 states and 145 transitions. Second operand 3 states. [2020-10-26 04:10:51,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 04:10:51,041 INFO L93 Difference]: Finished difference Result 164 states and 194 transitions. [2020-10-26 04:10:51,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-26 04:10:51,041 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2020-10-26 04:10:51,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 04:10:51,043 INFO L225 Difference]: With dead ends: 164 [2020-10-26 04:10:51,043 INFO L226 Difference]: Without dead ends: 159 [2020-10-26 04:10:51,044 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 [2020-10-26 04:10:51,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2020-10-26 04:10:51,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 112. [2020-10-26 04:10:51,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2020-10-26 04:10:51,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 137 transitions. [2020-10-26 04:10:51,057 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 137 transitions. Word has length 11 [2020-10-26 04:10:51,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 04:10:51,057 INFO L481 AbstractCegarLoop]: Abstraction has 112 states and 137 transitions. [2020-10-26 04:10:51,057 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-26 04:10:51,058 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 137 transitions. [2020-10-26 04:10:51,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-26 04:10:51,059 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 04:10:51,059 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 04:10:51,059 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-26 04:10:51,059 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-26 04:10:51,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:10:51,060 INFO L82 PathProgramCache]: Analyzing trace with hash 1234080256, now seen corresponding path program 1 times [2020-10-26 04:10:51,060 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:10:51,061 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829333553] [2020-10-26 04:10:51,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:10:51,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:10:51,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 04:10:51,148 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1829333553] [2020-10-26 04:10:51,149 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 04:10:51,149 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-26 04:10:51,151 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563943584] [2020-10-26 04:10:51,152 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-26 04:10:51,152 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-26 04:10:51,153 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-26 04:10:51,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-26 04:10:51,155 INFO L87 Difference]: Start difference. First operand 112 states and 137 transitions. Second operand 4 states. [2020-10-26 04:10:51,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 04:10:51,271 INFO L93 Difference]: Finished difference Result 160 states and 191 transitions. [2020-10-26 04:10:51,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-26 04:10:51,272 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2020-10-26 04:10:51,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 04:10:51,273 INFO L225 Difference]: With dead ends: 160 [2020-10-26 04:10:51,273 INFO L226 Difference]: Without dead ends: 158 [2020-10-26 04:10:51,274 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 [2020-10-26 04:10:51,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2020-10-26 04:10:51,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 114. [2020-10-26 04:10:51,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2020-10-26 04:10:51,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 139 transitions. [2020-10-26 04:10:51,286 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 139 transitions. Word has length 12 [2020-10-26 04:10:51,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 04:10:51,287 INFO L481 AbstractCegarLoop]: Abstraction has 114 states and 139 transitions. [2020-10-26 04:10:51,287 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-26 04:10:51,287 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 139 transitions. [2020-10-26 04:10:51,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-26 04:10:51,288 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 04:10:51,288 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 04:10:51,288 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-26 04:10:51,289 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-26 04:10:51,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:10:51,289 INFO L82 PathProgramCache]: Analyzing trace with hash -1595344206, now seen corresponding path program 1 times [2020-10-26 04:10:51,289 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:10:51,290 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297222533] [2020-10-26 04:10:51,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:10:51,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:10:51,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 04:10:51,329 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1297222533] [2020-10-26 04:10:51,329 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 04:10:51,329 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-26 04:10:51,330 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18215594] [2020-10-26 04:10:51,330 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-26 04:10:51,330 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-26 04:10:51,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-26 04:10:51,334 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-26 04:10:51,334 INFO L87 Difference]: Start difference. First operand 114 states and 139 transitions. Second operand 4 states. [2020-10-26 04:10:51,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 04:10:51,501 INFO L93 Difference]: Finished difference Result 257 states and 307 transitions. [2020-10-26 04:10:51,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-26 04:10:51,502 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2020-10-26 04:10:51,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 04:10:51,503 INFO L225 Difference]: With dead ends: 257 [2020-10-26 04:10:51,503 INFO L226 Difference]: Without dead ends: 171 [2020-10-26 04:10:51,504 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 [2020-10-26 04:10:51,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2020-10-26 04:10:51,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 119. [2020-10-26 04:10:51,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2020-10-26 04:10:51,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 145 transitions. [2020-10-26 04:10:51,516 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 145 transitions. Word has length 12 [2020-10-26 04:10:51,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 04:10:51,517 INFO L481 AbstractCegarLoop]: Abstraction has 119 states and 145 transitions. [2020-10-26 04:10:51,517 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-26 04:10:51,517 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 145 transitions. [2020-10-26 04:10:51,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-26 04:10:51,518 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 04:10:51,518 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 04:10:51,519 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-26 04:10:51,519 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-26 04:10:51,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:10:51,523 INFO L82 PathProgramCache]: Analyzing trace with hash -2056836231, now seen corresponding path program 1 times [2020-10-26 04:10:51,523 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:10:51,523 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120993190] [2020-10-26 04:10:51,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:10:51,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:10:51,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 04:10:51,564 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1120993190] [2020-10-26 04:10:51,564 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 04:10:51,564 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-26 04:10:51,564 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858477819] [2020-10-26 04:10:51,565 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-26 04:10:51,565 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-26 04:10:51,566 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-26 04:10:51,566 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-26 04:10:51,566 INFO L87 Difference]: Start difference. First operand 119 states and 145 transitions. Second operand 4 states. [2020-10-26 04:10:51,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 04:10:51,701 INFO L93 Difference]: Finished difference Result 169 states and 203 transitions. [2020-10-26 04:10:51,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-26 04:10:51,702 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2020-10-26 04:10:51,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 04:10:51,703 INFO L225 Difference]: With dead ends: 169 [2020-10-26 04:10:51,703 INFO L226 Difference]: Without dead ends: 167 [2020-10-26 04:10:51,704 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 [2020-10-26 04:10:51,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2020-10-26 04:10:51,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 122. [2020-10-26 04:10:51,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2020-10-26 04:10:51,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 149 transitions. [2020-10-26 04:10:51,715 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 149 transitions. Word has length 13 [2020-10-26 04:10:51,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 04:10:51,715 INFO L481 AbstractCegarLoop]: Abstraction has 122 states and 149 transitions. [2020-10-26 04:10:51,716 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-26 04:10:51,716 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 149 transitions. [2020-10-26 04:10:51,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-26 04:10:51,717 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 04:10:51,717 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 04:10:51,717 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-26 04:10:51,718 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-26 04:10:51,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:10:51,719 INFO L82 PathProgramCache]: Analyzing trace with hash 465285246, now seen corresponding path program 1 times [2020-10-26 04:10:51,719 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:10:51,719 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37394818] [2020-10-26 04:10:51,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:10:51,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:10:51,760 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 04:10:51,761 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [37394818] [2020-10-26 04:10:51,761 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [505345487] [2020-10-26 04:10:51,761 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 [2020-10-26 04:10:51,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:10:51,828 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 3 conjunts are in the unsatisfiable core [2020-10-26 04:10:51,833 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 04:10:51,893 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 04:10:51,894 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-26 04:10:51,894 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-10-26 04:10:51,894 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994992721] [2020-10-26 04:10:51,895 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-26 04:10:51,895 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-26 04:10:51,896 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-26 04:10:51,896 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2020-10-26 04:10:51,896 INFO L87 Difference]: Start difference. First operand 122 states and 149 transitions. Second operand 4 states. [2020-10-26 04:10:52,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 04:10:52,016 INFO L93 Difference]: Finished difference Result 209 states and 249 transitions. [2020-10-26 04:10:52,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-26 04:10:52,017 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2020-10-26 04:10:52,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 04:10:52,018 INFO L225 Difference]: With dead ends: 209 [2020-10-26 04:10:52,019 INFO L226 Difference]: Without dead ends: 206 [2020-10-26 04:10:52,019 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 [2020-10-26 04:10:52,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2020-10-26 04:10:52,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 109. [2020-10-26 04:10:52,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2020-10-26 04:10:52,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 134 transitions. [2020-10-26 04:10:52,029 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 134 transitions. Word has length 13 [2020-10-26 04:10:52,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 04:10:52,029 INFO L481 AbstractCegarLoop]: Abstraction has 109 states and 134 transitions. [2020-10-26 04:10:52,029 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-26 04:10:52,030 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 134 transitions. [2020-10-26 04:10:52,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-26 04:10:52,031 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 04:10:52,031 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 04:10:52,244 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2020-10-26 04:10:52,245 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-26 04:10:52,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:10:52,246 INFO L82 PathProgramCache]: Analyzing trace with hash -47207071, now seen corresponding path program 1 times [2020-10-26 04:10:52,247 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:10:52,247 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518626164] [2020-10-26 04:10:52,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:10:52,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:10:52,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 04:10:52,287 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518626164] [2020-10-26 04:10:52,287 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 04:10:52,287 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-26 04:10:52,288 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33079720] [2020-10-26 04:10:52,288 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-26 04:10:52,288 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-26 04:10:52,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-26 04:10:52,289 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-26 04:10:52,289 INFO L87 Difference]: Start difference. First operand 109 states and 134 transitions. Second operand 4 states. [2020-10-26 04:10:52,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 04:10:52,389 INFO L93 Difference]: Finished difference Result 160 states and 191 transitions. [2020-10-26 04:10:52,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-26 04:10:52,390 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2020-10-26 04:10:52,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 04:10:52,391 INFO L225 Difference]: With dead ends: 160 [2020-10-26 04:10:52,392 INFO L226 Difference]: Without dead ends: 158 [2020-10-26 04:10:52,392 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 [2020-10-26 04:10:52,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2020-10-26 04:10:52,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 111. [2020-10-26 04:10:52,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2020-10-26 04:10:52,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 136 transitions. [2020-10-26 04:10:52,402 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 136 transitions. Word has length 15 [2020-10-26 04:10:52,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 04:10:52,403 INFO L481 AbstractCegarLoop]: Abstraction has 111 states and 136 transitions. [2020-10-26 04:10:52,403 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-26 04:10:52,403 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 136 transitions. [2020-10-26 04:10:52,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-26 04:10:52,404 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 04:10:52,405 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 04:10:52,405 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-26 04:10:52,405 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-26 04:10:52,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:10:52,406 INFO L82 PathProgramCache]: Analyzing trace with hash 1418335763, now seen corresponding path program 1 times [2020-10-26 04:10:52,406 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:10:52,407 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163404267] [2020-10-26 04:10:52,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:10:52,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:10:52,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 04:10:52,457 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163404267] [2020-10-26 04:10:52,457 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 04:10:52,457 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-26 04:10:52,457 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459328795] [2020-10-26 04:10:52,458 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-26 04:10:52,459 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-26 04:10:52,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-26 04:10:52,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-26 04:10:52,463 INFO L87 Difference]: Start difference. First operand 111 states and 136 transitions. Second operand 4 states. [2020-10-26 04:10:52,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 04:10:52,582 INFO L93 Difference]: Finished difference Result 200 states and 237 transitions. [2020-10-26 04:10:52,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-26 04:10:52,583 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2020-10-26 04:10:52,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 04:10:52,584 INFO L225 Difference]: With dead ends: 200 [2020-10-26 04:10:52,585 INFO L226 Difference]: Without dead ends: 197 [2020-10-26 04:10:52,585 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 [2020-10-26 04:10:52,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2020-10-26 04:10:52,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 99. [2020-10-26 04:10:52,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2020-10-26 04:10:52,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 124 transitions. [2020-10-26 04:10:52,595 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 124 transitions. Word has length 15 [2020-10-26 04:10:52,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 04:10:52,595 INFO L481 AbstractCegarLoop]: Abstraction has 99 states and 124 transitions. [2020-10-26 04:10:52,595 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-26 04:10:52,595 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 124 transitions. [2020-10-26 04:10:52,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-26 04:10:52,596 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 04:10:52,596 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 04:10:52,596 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-26 04:10:52,597 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-26 04:10:52,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:10:52,597 INFO L82 PathProgramCache]: Analyzing trace with hash 367470027, now seen corresponding path program 1 times [2020-10-26 04:10:52,598 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:10:52,598 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519037280] [2020-10-26 04:10:52,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:10:52,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:10:52,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 04:10:52,690 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1519037280] [2020-10-26 04:10:52,690 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 04:10:52,690 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-26 04:10:52,690 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940185421] [2020-10-26 04:10:52,691 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 04:10:52,691 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-26 04:10:52,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 04:10:52,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-26 04:10:52,692 INFO L87 Difference]: Start difference. First operand 99 states and 124 transitions. Second operand 7 states. [2020-10-26 04:10:53,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 04:10:53,160 INFO L93 Difference]: Finished difference Result 266 states and 317 transitions. [2020-10-26 04:10:53,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-26 04:10:53,161 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 18 [2020-10-26 04:10:53,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 04:10:53,164 INFO L225 Difference]: With dead ends: 266 [2020-10-26 04:10:53,164 INFO L226 Difference]: Without dead ends: 230 [2020-10-26 04:10:53,167 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2020-10-26 04:10:53,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2020-10-26 04:10:53,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 129. [2020-10-26 04:10:53,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2020-10-26 04:10:53,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 163 transitions. [2020-10-26 04:10:53,186 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 163 transitions. Word has length 18 [2020-10-26 04:10:53,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 04:10:53,188 INFO L481 AbstractCegarLoop]: Abstraction has 129 states and 163 transitions. [2020-10-26 04:10:53,188 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 04:10:53,189 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 163 transitions. [2020-10-26 04:10:53,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-26 04:10:53,193 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 04:10:53,194 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 04:10:53,194 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-26 04:10:53,194 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-26 04:10:53,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:10:53,195 INFO L82 PathProgramCache]: Analyzing trace with hash 1008645611, now seen corresponding path program 1 times [2020-10-26 04:10:53,195 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:10:53,196 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120628833] [2020-10-26 04:10:53,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:10:53,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:10:53,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 04:10:53,318 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2120628833] [2020-10-26 04:10:53,318 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 04:10:53,318 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-26 04:10:53,319 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705209483] [2020-10-26 04:10:53,319 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-26 04:10:53,320 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-26 04:10:53,320 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-26 04:10:53,320 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-26 04:10:53,321 INFO L87 Difference]: Start difference. First operand 129 states and 163 transitions. Second operand 6 states. [2020-10-26 04:10:53,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 04:10:53,464 INFO L93 Difference]: Finished difference Result 190 states and 233 transitions. [2020-10-26 04:10:53,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-26 04:10:53,466 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 20 [2020-10-26 04:10:53,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 04:10:53,467 INFO L225 Difference]: With dead ends: 190 [2020-10-26 04:10:53,467 INFO L226 Difference]: Without dead ends: 131 [2020-10-26 04:10:53,468 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-10-26 04:10:53,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2020-10-26 04:10:53,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 129. [2020-10-26 04:10:53,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2020-10-26 04:10:53,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 159 transitions. [2020-10-26 04:10:53,480 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 159 transitions. Word has length 20 [2020-10-26 04:10:53,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 04:10:53,480 INFO L481 AbstractCegarLoop]: Abstraction has 129 states and 159 transitions. [2020-10-26 04:10:53,481 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-26 04:10:53,481 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 159 transitions. [2020-10-26 04:10:53,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-26 04:10:53,482 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 04:10:53,482 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 04:10:53,482 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-26 04:10:53,482 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-26 04:10:53,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:10:53,483 INFO L82 PathProgramCache]: Analyzing trace with hash 28946906, now seen corresponding path program 1 times [2020-10-26 04:10:53,483 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:10:53,484 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1758881277] [2020-10-26 04:10:53,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:10:53,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:10:53,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 04:10:53,597 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1758881277] [2020-10-26 04:10:53,598 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 04:10:53,598 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-26 04:10:53,598 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339975171] [2020-10-26 04:10:53,598 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-26 04:10:53,599 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-26 04:10:53,599 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-26 04:10:53,599 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-26 04:10:53,599 INFO L87 Difference]: Start difference. First operand 129 states and 159 transitions. Second operand 5 states. [2020-10-26 04:10:53,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 04:10:53,738 INFO L93 Difference]: Finished difference Result 272 states and 329 transitions. [2020-10-26 04:10:53,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-26 04:10:53,738 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-10-26 04:10:53,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 04:10:53,740 INFO L225 Difference]: With dead ends: 272 [2020-10-26 04:10:53,740 INFO L226 Difference]: Without dead ends: 231 [2020-10-26 04:10:53,741 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-26 04:10:53,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2020-10-26 04:10:53,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 192. [2020-10-26 04:10:53,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 192 states. [2020-10-26 04:10:53,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 237 transitions. [2020-10-26 04:10:53,758 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 237 transitions. Word has length 24 [2020-10-26 04:10:53,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 04:10:53,759 INFO L481 AbstractCegarLoop]: Abstraction has 192 states and 237 transitions. [2020-10-26 04:10:53,759 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-26 04:10:53,759 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 237 transitions. [2020-10-26 04:10:53,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-26 04:10:53,760 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 04:10:53,760 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 04:10:53,760 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-26 04:10:53,760 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-26 04:10:53,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:10:53,761 INFO L82 PathProgramCache]: Analyzing trace with hash -1001331080, now seen corresponding path program 1 times [2020-10-26 04:10:53,761 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:10:53,761 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470844541] [2020-10-26 04:10:53,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:10:53,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:10:53,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 04:10:53,952 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470844541] [2020-10-26 04:10:53,952 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 04:10:53,952 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-26 04:10:53,952 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619786435] [2020-10-26 04:10:53,952 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 04:10:53,953 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-26 04:10:53,953 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 04:10:53,953 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-26 04:10:53,954 INFO L87 Difference]: Start difference. First operand 192 states and 237 transitions. Second operand 7 states. [2020-10-26 04:10:54,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 04:10:54,198 INFO L93 Difference]: Finished difference Result 323 states and 379 transitions. [2020-10-26 04:10:54,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-26 04:10:54,198 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 28 [2020-10-26 04:10:54,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 04:10:54,200 INFO L225 Difference]: With dead ends: 323 [2020-10-26 04:10:54,201 INFO L226 Difference]: Without dead ends: 288 [2020-10-26 04:10:54,201 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-10-26 04:10:54,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2020-10-26 04:10:54,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 226. [2020-10-26 04:10:54,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 226 states. [2020-10-26 04:10:54,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 278 transitions. [2020-10-26 04:10:54,223 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 278 transitions. Word has length 28 [2020-10-26 04:10:54,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 04:10:54,224 INFO L481 AbstractCegarLoop]: Abstraction has 226 states and 278 transitions. [2020-10-26 04:10:54,224 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 04:10:54,224 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 278 transitions. [2020-10-26 04:10:54,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-10-26 04:10:54,225 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 04:10:54,225 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 04:10:54,226 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-26 04:10:54,226 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-26 04:10:54,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:10:54,227 INFO L82 PathProgramCache]: Analyzing trace with hash -206483588, now seen corresponding path program 1 times [2020-10-26 04:10:54,227 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:10:54,227 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661509521] [2020-10-26 04:10:54,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:10:54,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:10:54,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 04:10:54,508 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [661509521] [2020-10-26 04:10:54,508 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 04:10:54,509 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-26 04:10:54,509 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804970445] [2020-10-26 04:10:54,509 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-26 04:10:54,510 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-26 04:10:54,510 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-26 04:10:54,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-26 04:10:54,511 INFO L87 Difference]: Start difference. First operand 226 states and 278 transitions. Second operand 9 states. [2020-10-26 04:10:55,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 04:10:55,052 INFO L93 Difference]: Finished difference Result 303 states and 351 transitions. [2020-10-26 04:10:55,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-26 04:10:55,053 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 30 [2020-10-26 04:10:55,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 04:10:55,055 INFO L225 Difference]: With dead ends: 303 [2020-10-26 04:10:55,055 INFO L226 Difference]: Without dead ends: 300 [2020-10-26 04:10:55,056 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2020-10-26 04:10:55,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2020-10-26 04:10:55,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 239. [2020-10-26 04:10:55,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 239 states. [2020-10-26 04:10:55,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 293 transitions. [2020-10-26 04:10:55,078 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 293 transitions. Word has length 30 [2020-10-26 04:10:55,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 04:10:55,078 INFO L481 AbstractCegarLoop]: Abstraction has 239 states and 293 transitions. [2020-10-26 04:10:55,078 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-26 04:10:55,079 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 293 transitions. [2020-10-26 04:10:55,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-10-26 04:10:55,079 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 04:10:55,080 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 04:10:55,080 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-26 04:10:55,080 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-26 04:10:55,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:10:55,081 INFO L82 PathProgramCache]: Analyzing trace with hash -630648114, now seen corresponding path program 1 times [2020-10-26 04:10:55,081 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:10:55,082 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713314054] [2020-10-26 04:10:55,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:10:55,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:10:55,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 04:10:55,161 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1713314054] [2020-10-26 04:10:55,161 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 04:10:55,161 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-26 04:10:55,162 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720806363] [2020-10-26 04:10:55,162 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 04:10:55,162 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-26 04:10:55,163 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 04:10:55,163 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-26 04:10:55,163 INFO L87 Difference]: Start difference. First operand 239 states and 293 transitions. Second operand 7 states. [2020-10-26 04:10:55,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 04:10:55,350 INFO L93 Difference]: Finished difference Result 278 states and 334 transitions. [2020-10-26 04:10:55,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-26 04:10:55,351 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 30 [2020-10-26 04:10:55,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 04:10:55,353 INFO L225 Difference]: With dead ends: 278 [2020-10-26 04:10:55,353 INFO L226 Difference]: Without dead ends: 170 [2020-10-26 04:10:55,354 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-10-26 04:10:55,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2020-10-26 04:10:55,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 170. [2020-10-26 04:10:55,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 170 states. [2020-10-26 04:10:55,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 207 transitions. [2020-10-26 04:10:55,368 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 207 transitions. Word has length 30 [2020-10-26 04:10:55,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 04:10:55,369 INFO L481 AbstractCegarLoop]: Abstraction has 170 states and 207 transitions. [2020-10-26 04:10:55,369 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 04:10:55,369 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 207 transitions. [2020-10-26 04:10:55,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-10-26 04:10:55,370 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 04:10:55,370 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 04:10:55,370 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-26 04:10:55,371 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-26 04:10:55,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:10:55,371 INFO L82 PathProgramCache]: Analyzing trace with hash -2129165813, now seen corresponding path program 1 times [2020-10-26 04:10:55,372 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:10:55,372 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471179121] [2020-10-26 04:10:55,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:10:55,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:10:55,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 04:10:55,534 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1471179121] [2020-10-26 04:10:55,534 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 04:10:55,535 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-26 04:10:55,535 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069803357] [2020-10-26 04:10:55,535 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-26 04:10:55,535 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-26 04:10:55,536 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-26 04:10:55,536 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-26 04:10:55,536 INFO L87 Difference]: Start difference. First operand 170 states and 207 transitions. Second operand 8 states. [2020-10-26 04:10:55,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 04:10:55,817 INFO L93 Difference]: Finished difference Result 215 states and 249 transitions. [2020-10-26 04:10:55,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-26 04:10:55,818 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 30 [2020-10-26 04:10:55,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 04:10:55,820 INFO L225 Difference]: With dead ends: 215 [2020-10-26 04:10:55,820 INFO L226 Difference]: Without dead ends: 214 [2020-10-26 04:10:55,821 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2020-10-26 04:10:55,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2020-10-26 04:10:55,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 173. [2020-10-26 04:10:55,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 173 states. [2020-10-26 04:10:55,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 210 transitions. [2020-10-26 04:10:55,837 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 210 transitions. Word has length 30 [2020-10-26 04:10:55,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 04:10:55,837 INFO L481 AbstractCegarLoop]: Abstraction has 173 states and 210 transitions. [2020-10-26 04:10:55,837 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-26 04:10:55,838 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 210 transitions. [2020-10-26 04:10:55,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-10-26 04:10:55,838 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 04:10:55,839 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 04:10:55,839 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-26 04:10:55,839 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-26 04:10:55,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:10:55,840 INFO L82 PathProgramCache]: Analyzing trace with hash -2129106231, now seen corresponding path program 1 times [2020-10-26 04:10:55,840 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:10:55,840 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645920121] [2020-10-26 04:10:55,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:10:55,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:10:56,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 04:10:56,043 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1645920121] [2020-10-26 04:10:56,043 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 04:10:56,043 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-26 04:10:56,043 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248901624] [2020-10-26 04:10:56,044 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 04:10:56,046 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-26 04:10:56,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 04:10:56,047 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-26 04:10:56,047 INFO L87 Difference]: Start difference. First operand 173 states and 210 transitions. Second operand 7 states. [2020-10-26 04:10:56,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 04:10:56,318 INFO L93 Difference]: Finished difference Result 432 states and 496 transitions. [2020-10-26 04:10:56,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-26 04:10:56,319 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 30 [2020-10-26 04:10:56,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 04:10:56,321 INFO L225 Difference]: With dead ends: 432 [2020-10-26 04:10:56,321 INFO L226 Difference]: Without dead ends: 373 [2020-10-26 04:10:56,322 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-26 04:10:56,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2020-10-26 04:10:56,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 236. [2020-10-26 04:10:56,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 236 states. [2020-10-26 04:10:56,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 289 transitions. [2020-10-26 04:10:56,343 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 289 transitions. Word has length 30 [2020-10-26 04:10:56,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 04:10:56,344 INFO L481 AbstractCegarLoop]: Abstraction has 236 states and 289 transitions. [2020-10-26 04:10:56,344 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 04:10:56,344 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 289 transitions. [2020-10-26 04:10:56,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-10-26 04:10:56,345 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 04:10:56,345 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 04:10:56,345 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-26 04:10:56,346 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-26 04:10:56,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:10:56,346 INFO L82 PathProgramCache]: Analyzing trace with hash -1723903763, now seen corresponding path program 1 times [2020-10-26 04:10:56,346 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:10:56,346 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608681412] [2020-10-26 04:10:56,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:10:56,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:10:56,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 04:10:56,563 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1608681412] [2020-10-26 04:10:56,564 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 04:10:56,564 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-26 04:10:56,564 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719225430] [2020-10-26 04:10:56,565 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-26 04:10:56,566 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-26 04:10:56,566 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-26 04:10:56,567 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-26 04:10:56,567 INFO L87 Difference]: Start difference. First operand 236 states and 289 transitions. Second operand 8 states. [2020-10-26 04:10:56,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 04:10:56,859 INFO L93 Difference]: Finished difference Result 346 states and 398 transitions. [2020-10-26 04:10:56,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-26 04:10:56,860 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 32 [2020-10-26 04:10:56,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 04:10:56,862 INFO L225 Difference]: With dead ends: 346 [2020-10-26 04:10:56,862 INFO L226 Difference]: Without dead ends: 315 [2020-10-26 04:10:56,863 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2020-10-26 04:10:56,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2020-10-26 04:10:56,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 236. [2020-10-26 04:10:56,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 236 states. [2020-10-26 04:10:56,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 287 transitions. [2020-10-26 04:10:56,884 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 287 transitions. Word has length 32 [2020-10-26 04:10:56,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 04:10:56,884 INFO L481 AbstractCegarLoop]: Abstraction has 236 states and 287 transitions. [2020-10-26 04:10:56,884 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-26 04:10:56,884 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 287 transitions. [2020-10-26 04:10:56,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-10-26 04:10:56,885 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 04:10:56,885 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 04:10:56,886 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-26 04:10:56,886 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-26 04:10:56,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:10:56,886 INFO L82 PathProgramCache]: Analyzing trace with hash -689121517, now seen corresponding path program 1 times [2020-10-26 04:10:56,886 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:10:56,887 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437497190] [2020-10-26 04:10:56,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:10:56,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:10:57,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 04:10:57,094 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1437497190] [2020-10-26 04:10:57,094 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 04:10:57,094 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-26 04:10:57,095 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725234412] [2020-10-26 04:10:57,095 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-26 04:10:57,095 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-26 04:10:57,096 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-26 04:10:57,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-26 04:10:57,096 INFO L87 Difference]: Start difference. First operand 236 states and 287 transitions. Second operand 8 states. [2020-10-26 04:10:57,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 04:10:57,426 INFO L93 Difference]: Finished difference Result 276 states and 324 transitions. [2020-10-26 04:10:57,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-26 04:10:57,426 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 32 [2020-10-26 04:10:57,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 04:10:57,428 INFO L225 Difference]: With dead ends: 276 [2020-10-26 04:10:57,428 INFO L226 Difference]: Without dead ends: 275 [2020-10-26 04:10:57,429 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2020-10-26 04:10:57,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2020-10-26 04:10:57,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 233. [2020-10-26 04:10:57,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2020-10-26 04:10:57,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 283 transitions. [2020-10-26 04:10:57,448 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 283 transitions. Word has length 32 [2020-10-26 04:10:57,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 04:10:57,448 INFO L481 AbstractCegarLoop]: Abstraction has 233 states and 283 transitions. [2020-10-26 04:10:57,448 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-26 04:10:57,448 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 283 transitions. [2020-10-26 04:10:57,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-10-26 04:10:57,449 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 04:10:57,449 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 04:10:57,449 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-26 04:10:57,449 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-26 04:10:57,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:10:57,450 INFO L82 PathProgramCache]: Analyzing trace with hash -1316923839, now seen corresponding path program 1 times [2020-10-26 04:10:57,450 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:10:57,450 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084329322] [2020-10-26 04:10:57,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:10:57,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:10:57,471 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:10:57,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:10:57,489 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:10:57,514 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:10:57,514 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-26 04:10:57,515 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-26 04:10:57,567 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 04:10:57 BoogieIcfgContainer [2020-10-26 04:10:57,567 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-26 04:10:57,567 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-26 04:10:57,567 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-26 04:10:57,568 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-26 04:10:57,568 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 04:10:49" (3/4) ... [2020-10-26 04:10:57,572 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-26 04:10:57,572 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-26 04:10:57,574 INFO L168 Benchmark]: Toolchain (without parser) took 9786.74 ms. Allocated memory was 52.4 MB in the beginning and 134.2 MB in the end (delta: 81.8 MB). Free memory was 28.8 MB in the beginning and 54.3 MB in the end (delta: -25.5 MB). Peak memory consumption was 59.2 MB. Max. memory is 16.1 GB. [2020-10-26 04:10:57,575 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 52.4 MB. Free memory was 33.9 MB in the beginning and 33.9 MB in the end (delta: 62.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 04:10:57,576 INFO L168 Benchmark]: CACSL2BoogieTranslator took 519.52 ms. Allocated memory is still 52.4 MB. Free memory was 28.3 MB in the beginning and 30.6 MB in the end (delta: -2.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-10-26 04:10:57,576 INFO L168 Benchmark]: Boogie Procedure Inliner took 84.27 ms. Allocated memory is still 52.4 MB. Free memory was 30.4 MB in the beginning and 28.0 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-26 04:10:57,577 INFO L168 Benchmark]: Boogie Preprocessor took 87.98 ms. Allocated memory is still 52.4 MB. Free memory was 28.0 MB in the beginning and 26.1 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-26 04:10:57,578 INFO L168 Benchmark]: RCFGBuilder took 1404.55 ms. Allocated memory was 52.4 MB in the beginning and 62.9 MB in the end (delta: 10.5 MB). Free memory was 25.9 MB in the beginning and 29.5 MB in the end (delta: -3.6 MB). Peak memory consumption was 11.2 MB. Max. memory is 16.1 GB. [2020-10-26 04:10:57,579 INFO L168 Benchmark]: TraceAbstraction took 7670.87 ms. Allocated memory was 62.9 MB in the beginning and 134.2 MB in the end (delta: 71.3 MB). Free memory was 29.2 MB in the beginning and 54.3 MB in the end (delta: -25.1 MB). Peak memory consumption was 46.5 MB. Max. memory is 16.1 GB. [2020-10-26 04:10:57,579 INFO L168 Benchmark]: Witness Printer took 4.87 ms. Allocated memory is still 134.2 MB. Free memory is still 54.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 04:10:57,583 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 52.4 MB. Free memory was 33.9 MB in the beginning and 33.9 MB in the end (delta: 62.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 519.52 ms. Allocated memory is still 52.4 MB. Free memory was 28.3 MB in the beginning and 30.6 MB in the end (delta: -2.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 84.27 ms. Allocated memory is still 52.4 MB. Free memory was 30.4 MB in the beginning and 28.0 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 87.98 ms. Allocated memory is still 52.4 MB. Free memory was 28.0 MB in the beginning and 26.1 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1404.55 ms. Allocated memory was 52.4 MB in the beginning and 62.9 MB in the end (delta: 10.5 MB). Free memory was 25.9 MB in the beginning and 29.5 MB in the end (delta: -3.6 MB). Peak memory consumption was 11.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 7670.87 ms. Allocated memory was 62.9 MB in the beginning and 134.2 MB in the end (delta: 71.3 MB). Free memory was 29.2 MB in the beginning and 54.3 MB in the end (delta: -25.1 MB). Peak memory consumption was 46.5 MB. Max. memory is 16.1 GB. * Witness Printer took 4.87 ms. Allocated memory is still 134.2 MB. Free memory is still 54.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 104]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseOr at line 102, overapproximation of bitwiseAnd at line 103. Possible FailurePath: [L218] unsigned int a ; [L219] unsigned int ma = __VERIFIER_nondet_uint(); [L220] signed char ea = __VERIFIER_nondet_char(); [L221] unsigned int b ; [L222] unsigned int mb = __VERIFIER_nondet_uint(); [L223] signed char eb = __VERIFIER_nondet_char(); [L224] unsigned int r_add ; [L225] unsigned int zero ; [L226] int sa ; [L227] int sb ; [L228] int tmp ; [L229] int tmp___0 ; [L230] int tmp___1 ; [L231] int tmp___2 ; [L232] int tmp___3 ; [L233] int tmp___4 ; [L234] int tmp___5 ; [L235] int tmp___6 ; [L236] int tmp___7 ; [L237] int tmp___8 ; [L238] int tmp___9 ; [L239] int __retres23 ; [L17] unsigned int res ; [L18] unsigned int __retres4 ; [L21] COND TRUE ! m [L22] __retres4 = 0U [L72] return (__retres4); [L243] zero = base2flt(0, 0) [L17] unsigned int res ; [L18] unsigned int __retres4 ; [L21] COND FALSE !(! m) [L27] COND FALSE !(m < 1U << 24U) [L49] COND TRUE 1 [L51] COND TRUE m >= 1U << 25U [L56] COND TRUE e >= 127 [L57] __retres4 = 4294967295U [L72] return (__retres4); [L244] a = base2flt(ma, ea) [L17] unsigned int res ; [L18] unsigned int __retres4 ; [L21] COND FALSE !(! m) [L27] COND FALSE !(m < 1U << 24U) [L49] COND TRUE 1 [L51] COND FALSE !(m >= 1U << 25U) [L68] m = m & ~ (1U << 24U) [L69] EXPR e + 128 [L69] res = m | ((unsigned int )(e + 128) << 24U) [L70] __retres4 = res [L72] return (__retres4); [L245] b = base2flt(mb, eb) [L247] COND FALSE !(a < zero) [L250] COND TRUE a > zero [L251] tmp = 1 [L255] sa = tmp [L257] COND FALSE !(b < zero) [L260] COND TRUE b > zero [L261] tmp___0 = 1 [L265] sb = tmp___0 [L76] unsigned int res ; [L77] unsigned int ma ; [L78] unsigned int mb ; [L79] unsigned int delta ; [L80] int ea ; [L81] int eb ; [L82] unsigned int tmp ; [L83] unsigned int __retres10 ; [L86] COND FALSE !(a < b) [L93] COND FALSE !(! b) [L100] ma = a & ((1U << 24U) - 1U) [L101] EXPR (int )(a >> 24U) - 128 [L101] ea = (int )(a >> 24U) - 128 [L102] ma = ma | (1U << 24U) [L103] mb = b & ((1U << 24U) - 1U) [L104] (int )(b >> 24U) - 128 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 151 locations, 28 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 7.5s, OverallIterations: 21, TraceHistogramMax: 2, AutomataDifference: 4.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2412 SDtfs, 3399 SDslu, 5894 SDs, 0 SdLazy, 1467 SolverSat, 231 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 164 GetRequests, 44 SyntacticMatches, 2 SemanticMatches, 118 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 1.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=239occurred in iteration=15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 20 MinimizatonAttempts, 1041 StatesRemovedByMinimization, 18 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 436 NumberOfCodeBlocks, 436 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 381 ConstructedInterpolants, 0 QuantifiedInterpolants, 38709 SizeOfPredicates, 0 NumberOfNonLiveVariables, 66 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 21 InterpolantComputations, 20 PerfectInterpolantSequences, 2/4 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...