./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/bitvector/s3_srvr_1a.BV.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 906a4fb5 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/bitvector/s3_srvr_1a.BV.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 b0b2d978b2f3873db9b988022a041d2d18a2f859 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-906a4fb [2020-10-19 18:36:55,846 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 18:36:55,849 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 18:36:55,895 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 18:36:55,896 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 18:36:55,897 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 18:36:55,898 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 18:36:55,900 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 18:36:55,902 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 18:36:55,903 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 18:36:55,904 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 18:36:55,906 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 18:36:55,906 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 18:36:55,907 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 18:36:55,908 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 18:36:55,910 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 18:36:55,911 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 18:36:55,914 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 18:36:55,917 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 18:36:55,921 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 18:36:55,925 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 18:36:55,928 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 18:36:55,931 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 18:36:55,934 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 18:36:55,937 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 18:36:55,940 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 18:36:55,941 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 18:36:55,942 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 18:36:55,943 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 18:36:55,945 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 18:36:55,945 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 18:36:55,946 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 18:36:55,947 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 18:36:55,948 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 18:36:55,949 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 18:36:55,950 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 18:36:55,951 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 18:36:55,951 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 18:36:55,951 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 18:36:55,952 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 18:36:55,952 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 18:36:55,953 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2020-10-19 18:36:55,977 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 18:36:55,978 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 18:36:55,979 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 18:36:55,979 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 18:36:55,980 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 18:36:55,980 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 18:36:55,980 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-19 18:36:55,981 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-19 18:36:55,981 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 18:36:55,981 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-19 18:36:55,981 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 18:36:55,982 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-19 18:36:55,982 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-19 18:36:55,982 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-19 18:36:55,983 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-10-19 18:36:55,983 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-19 18:36:55,983 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-19 18:36:55,983 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 18:36:55,984 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-19 18:36:55,984 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 18:36:55,984 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 18:36:55,985 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-19 18:36:55,985 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-19 18:36:55,985 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-19 18:36:55,986 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 18:36:55,986 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-19 18:36:55,986 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-19 18:36:55,986 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-19 18:36:55,987 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-19 18:36:55,987 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-19 18:36:55,987 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 18:36:55,988 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b0b2d978b2f3873db9b988022a041d2d18a2f859 [2020-10-19 18:36:56,298 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 18:36:56,311 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 18:36:56,315 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 18:36:56,316 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 18:36:56,317 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 18:36:56,318 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector/s3_srvr_1a.BV.c.cil.c [2020-10-19 18:36:56,378 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6dcbabaeb/75674a8ff26a4daa859056021784554c/FLAG257c9627b [2020-10-19 18:36:56,846 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 18:36:56,847 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/s3_srvr_1a.BV.c.cil.c [2020-10-19 18:36:56,872 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6dcbabaeb/75674a8ff26a4daa859056021784554c/FLAG257c9627b [2020-10-19 18:36:57,353 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6dcbabaeb/75674a8ff26a4daa859056021784554c [2020-10-19 18:36:57,357 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 18:36:57,366 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-19 18:36:57,368 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 18:36:57,369 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 18:36:57,374 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 18:36:57,375 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 06:36:57" (1/1) ... [2020-10-19 18:36:57,379 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39fb8ad5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:36:57, skipping insertion in model container [2020-10-19 18:36:57,379 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 06:36:57" (1/1) ... [2020-10-19 18:36:57,389 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 18:36:57,455 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 18:36:57,709 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 18:36:57,720 INFO L203 MainTranslator]: Completed pre-run [2020-10-19 18:36:57,853 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 18:36:57,877 INFO L208 MainTranslator]: Completed translation [2020-10-19 18:36:57,877 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:36:57 WrapperNode [2020-10-19 18:36:57,877 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 18:36:57,878 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-19 18:36:57,878 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-19 18:36:57,878 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-19 18:36:57,887 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:36:57" (1/1) ... [2020-10-19 18:36:57,900 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:36:57" (1/1) ... [2020-10-19 18:36:57,942 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-19 18:36:57,943 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-19 18:36:57,943 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-19 18:36:57,943 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-19 18:36:57,953 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:36:57" (1/1) ... [2020-10-19 18:36:57,953 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:36:57" (1/1) ... [2020-10-19 18:36:57,957 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:36:57" (1/1) ... [2020-10-19 18:36:57,957 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:36:57" (1/1) ... [2020-10-19 18:36:57,967 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:36:57" (1/1) ... [2020-10-19 18:36:57,976 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:36:57" (1/1) ... [2020-10-19 18:36:57,979 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:36:57" (1/1) ... [2020-10-19 18:36:57,987 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-19 18:36:57,987 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-19 18:36:57,988 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-19 18:36:57,988 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-19 18:36:57,989 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:36:57" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-19 18:36:58,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-19 18:36:58,080 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-19 18:36:58,080 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-19 18:36:58,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-19 18:36:58,299 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-19 18:36:58,887 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2020-10-19 18:36:58,888 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2020-10-19 18:36:58,904 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-19 18:36:58,904 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-10-19 18:36:58,907 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 06:36:58 BoogieIcfgContainer [2020-10-19 18:36:58,907 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-19 18:36:58,909 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-19 18:36:58,909 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-19 18:36:58,913 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-19 18:36:58,914 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.10 06:36:57" (1/3) ... [2020-10-19 18:36:58,915 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@276bde29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 06:36:58, skipping insertion in model container [2020-10-19 18:36:58,918 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:36:57" (2/3) ... [2020-10-19 18:36:58,919 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@276bde29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 06:36:58, skipping insertion in model container [2020-10-19 18:36:58,919 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 06:36:58" (3/3) ... [2020-10-19 18:36:58,921 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr_1a.BV.c.cil.c [2020-10-19 18:36:58,940 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-19 18:36:58,949 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2020-10-19 18:36:58,965 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-10-19 18:36:58,996 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-19 18:36:58,997 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-19 18:36:58,997 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-19 18:36:58,997 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-19 18:36:58,998 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-19 18:36:58,998 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-19 18:36:58,998 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-19 18:36:58,998 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-19 18:36:59,023 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states. [2020-10-19 18:36:59,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-19 18:36:59,031 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:36:59,032 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 18:36:59,040 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-19 18:36:59,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:36:59,052 INFO L82 PathProgramCache]: Analyzing trace with hash -580333898, now seen corresponding path program 1 times [2020-10-19 18:36:59,073 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:36:59,073 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2133474373] [2020-10-19 18:36:59,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:36:59,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:36:59,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:36:59,277 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2133474373] [2020-10-19 18:36:59,279 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:36:59,279 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 18:36:59,280 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512527784] [2020-10-19 18:36:59,285 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 18:36:59,285 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 18:36:59,299 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 18:36:59,300 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 18:36:59,303 INFO L87 Difference]: Start difference. First operand 148 states. Second operand 3 states. [2020-10-19 18:36:59,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:36:59,555 INFO L93 Difference]: Finished difference Result 313 states and 521 transitions. [2020-10-19 18:36:59,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 18:36:59,558 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 18 [2020-10-19 18:36:59,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:36:59,573 INFO L225 Difference]: With dead ends: 313 [2020-10-19 18:36:59,573 INFO L226 Difference]: Without dead ends: 150 [2020-10-19 18:36:59,578 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 18:36:59,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2020-10-19 18:36:59,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2020-10-19 18:36:59,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2020-10-19 18:36:59,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 225 transitions. [2020-10-19 18:36:59,670 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 225 transitions. Word has length 18 [2020-10-19 18:36:59,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:36:59,670 INFO L481 AbstractCegarLoop]: Abstraction has 150 states and 225 transitions. [2020-10-19 18:36:59,671 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 18:36:59,671 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 225 transitions. [2020-10-19 18:36:59,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-19 18:36:59,673 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:36:59,674 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 18:36:59,675 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-19 18:36:59,675 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-19 18:36:59,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:36:59,676 INFO L82 PathProgramCache]: Analyzing trace with hash -1061870123, now seen corresponding path program 1 times [2020-10-19 18:36:59,677 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:36:59,677 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824558261] [2020-10-19 18:36:59,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:36:59,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:36:59,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:36:59,744 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1824558261] [2020-10-19 18:36:59,745 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:36:59,745 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 18:36:59,745 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849640265] [2020-10-19 18:36:59,747 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 18:36:59,748 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 18:36:59,748 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 18:36:59,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 18:36:59,749 INFO L87 Difference]: Start difference. First operand 150 states and 225 transitions. Second operand 3 states. [2020-10-19 18:36:59,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:36:59,986 INFO L93 Difference]: Finished difference Result 302 states and 451 transitions. [2020-10-19 18:36:59,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 18:36:59,987 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-10-19 18:36:59,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:36:59,989 INFO L225 Difference]: With dead ends: 302 [2020-10-19 18:36:59,990 INFO L226 Difference]: Without dead ends: 160 [2020-10-19 18:36:59,991 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 18:36:59,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2020-10-19 18:37:00,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 151. [2020-10-19 18:37:00,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2020-10-19 18:37:00,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 226 transitions. [2020-10-19 18:37:00,007 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 226 transitions. Word has length 19 [2020-10-19 18:37:00,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:37:00,007 INFO L481 AbstractCegarLoop]: Abstraction has 151 states and 226 transitions. [2020-10-19 18:37:00,007 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 18:37:00,008 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 226 transitions. [2020-10-19 18:37:00,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-19 18:37:00,009 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:37:00,009 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 18:37:00,009 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-19 18:37:00,010 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-19 18:37:00,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:37:00,010 INFO L82 PathProgramCache]: Analyzing trace with hash 323589326, now seen corresponding path program 1 times [2020-10-19 18:37:00,010 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:37:00,011 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934072566] [2020-10-19 18:37:00,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:37:00,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:37:00,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:37:00,104 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934072566] [2020-10-19 18:37:00,106 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:37:00,106 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 18:37:00,107 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [574528598] [2020-10-19 18:37:00,107 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 18:37:00,107 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 18:37:00,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 18:37:00,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 18:37:00,108 INFO L87 Difference]: Start difference. First operand 151 states and 226 transitions. Second operand 3 states. [2020-10-19 18:37:00,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:37:00,272 INFO L93 Difference]: Finished difference Result 304 states and 453 transitions. [2020-10-19 18:37:00,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 18:37:00,272 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2020-10-19 18:37:00,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:37:00,274 INFO L225 Difference]: With dead ends: 304 [2020-10-19 18:37:00,274 INFO L226 Difference]: Without dead ends: 161 [2020-10-19 18:37:00,276 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 18:37:00,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2020-10-19 18:37:00,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 152. [2020-10-19 18:37:00,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2020-10-19 18:37:00,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 227 transitions. [2020-10-19 18:37:00,290 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 227 transitions. Word has length 20 [2020-10-19 18:37:00,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:37:00,291 INFO L481 AbstractCegarLoop]: Abstraction has 152 states and 227 transitions. [2020-10-19 18:37:00,291 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 18:37:00,291 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 227 transitions. [2020-10-19 18:37:00,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-10-19 18:37:00,292 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:37:00,292 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 18:37:00,292 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-19 18:37:00,293 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-19 18:37:00,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:37:00,293 INFO L82 PathProgramCache]: Analyzing trace with hash -659408240, now seen corresponding path program 1 times [2020-10-19 18:37:00,293 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:37:00,294 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170680785] [2020-10-19 18:37:00,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:37:00,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:37:00,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:37:00,341 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1170680785] [2020-10-19 18:37:00,341 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:37:00,341 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 18:37:00,341 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044946748] [2020-10-19 18:37:00,342 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 18:37:00,342 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 18:37:00,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 18:37:00,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 18:37:00,343 INFO L87 Difference]: Start difference. First operand 152 states and 227 transitions. Second operand 3 states. [2020-10-19 18:37:00,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:37:00,515 INFO L93 Difference]: Finished difference Result 306 states and 455 transitions. [2020-10-19 18:37:00,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 18:37:00,516 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 21 [2020-10-19 18:37:00,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:37:00,518 INFO L225 Difference]: With dead ends: 306 [2020-10-19 18:37:00,518 INFO L226 Difference]: Without dead ends: 162 [2020-10-19 18:37:00,519 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 18:37:00,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2020-10-19 18:37:00,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 153. [2020-10-19 18:37:00,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2020-10-19 18:37:00,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 228 transitions. [2020-10-19 18:37:00,532 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 228 transitions. Word has length 21 [2020-10-19 18:37:00,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:37:00,533 INFO L481 AbstractCegarLoop]: Abstraction has 153 states and 228 transitions. [2020-10-19 18:37:00,533 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 18:37:00,533 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 228 transitions. [2020-10-19 18:37:00,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-19 18:37:00,534 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:37:00,534 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] [2020-10-19 18:37:00,534 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-19 18:37:00,535 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-19 18:37:00,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:37:00,535 INFO L82 PathProgramCache]: Analyzing trace with hash -2050129239, now seen corresponding path program 1 times [2020-10-19 18:37:00,535 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:37:00,536 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2114771065] [2020-10-19 18:37:00,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:37:00,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:37:00,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:37:00,599 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2114771065] [2020-10-19 18:37:00,600 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:37:00,600 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 18:37:00,600 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158758981] [2020-10-19 18:37:00,601 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 18:37:00,601 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 18:37:00,602 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 18:37:00,602 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 18:37:00,602 INFO L87 Difference]: Start difference. First operand 153 states and 228 transitions. Second operand 3 states. [2020-10-19 18:37:00,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:37:00,765 INFO L93 Difference]: Finished difference Result 308 states and 457 transitions. [2020-10-19 18:37:00,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 18:37:00,766 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-10-19 18:37:00,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:37:00,767 INFO L225 Difference]: With dead ends: 308 [2020-10-19 18:37:00,767 INFO L226 Difference]: Without dead ends: 163 [2020-10-19 18:37:00,768 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 18:37:00,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2020-10-19 18:37:00,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 154. [2020-10-19 18:37:00,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2020-10-19 18:37:00,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 229 transitions. [2020-10-19 18:37:00,779 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 229 transitions. Word has length 22 [2020-10-19 18:37:00,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:37:00,780 INFO L481 AbstractCegarLoop]: Abstraction has 154 states and 229 transitions. [2020-10-19 18:37:00,780 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 18:37:00,780 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 229 transitions. [2020-10-19 18:37:00,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-10-19 18:37:00,783 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:37:00,783 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 18:37:00,783 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-19 18:37:00,784 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-19 18:37:00,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:37:00,784 INFO L82 PathProgramCache]: Analyzing trace with hash 1990190120, now seen corresponding path program 1 times [2020-10-19 18:37:00,784 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:37:00,785 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036441566] [2020-10-19 18:37:00,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:37:00,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:37:00,887 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:37:00,887 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2036441566] [2020-10-19 18:37:00,888 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:37:00,888 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 18:37:00,889 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941508241] [2020-10-19 18:37:00,890 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 18:37:00,890 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 18:37:00,890 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 18:37:00,891 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 18:37:00,891 INFO L87 Difference]: Start difference. First operand 154 states and 229 transitions. Second operand 3 states. [2020-10-19 18:37:01,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:37:01,084 INFO L93 Difference]: Finished difference Result 331 states and 499 transitions. [2020-10-19 18:37:01,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 18:37:01,085 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2020-10-19 18:37:01,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:37:01,087 INFO L225 Difference]: With dead ends: 331 [2020-10-19 18:37:01,087 INFO L226 Difference]: Without dead ends: 185 [2020-10-19 18:37:01,088 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 18:37:01,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2020-10-19 18:37:01,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 185. [2020-10-19 18:37:01,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2020-10-19 18:37:01,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 281 transitions. [2020-10-19 18:37:01,104 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 281 transitions. Word has length 47 [2020-10-19 18:37:01,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:37:01,105 INFO L481 AbstractCegarLoop]: Abstraction has 185 states and 281 transitions. [2020-10-19 18:37:01,105 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 18:37:01,105 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 281 transitions. [2020-10-19 18:37:01,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-10-19 18:37:01,114 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:37:01,115 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1] [2020-10-19 18:37:01,115 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-19 18:37:01,120 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-19 18:37:01,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:37:01,121 INFO L82 PathProgramCache]: Analyzing trace with hash -1367947310, now seen corresponding path program 1 times [2020-10-19 18:37:01,123 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:37:01,123 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959780553] [2020-10-19 18:37:01,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:37:01,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:37:01,205 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-19 18:37:01,205 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [959780553] [2020-10-19 18:37:01,205 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:37:01,205 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 18:37:01,206 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491697705] [2020-10-19 18:37:01,206 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 18:37:01,207 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 18:37:01,207 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 18:37:01,208 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 18:37:01,208 INFO L87 Difference]: Start difference. First operand 185 states and 281 transitions. Second operand 3 states. [2020-10-19 18:37:01,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:37:01,339 INFO L93 Difference]: Finished difference Result 380 states and 575 transitions. [2020-10-19 18:37:01,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 18:37:01,340 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 59 [2020-10-19 18:37:01,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:37:01,342 INFO L225 Difference]: With dead ends: 380 [2020-10-19 18:37:01,342 INFO L226 Difference]: Without dead ends: 203 [2020-10-19 18:37:01,343 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 18:37:01,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2020-10-19 18:37:01,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 201. [2020-10-19 18:37:01,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 201 states. [2020-10-19 18:37:01,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 302 transitions. [2020-10-19 18:37:01,354 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 302 transitions. Word has length 59 [2020-10-19 18:37:01,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:37:01,355 INFO L481 AbstractCegarLoop]: Abstraction has 201 states and 302 transitions. [2020-10-19 18:37:01,355 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 18:37:01,355 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 302 transitions. [2020-10-19 18:37:01,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-10-19 18:37:01,356 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:37:01,357 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1] [2020-10-19 18:37:01,357 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-19 18:37:01,357 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-19 18:37:01,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:37:01,358 INFO L82 PathProgramCache]: Analyzing trace with hash -2136164213, now seen corresponding path program 1 times [2020-10-19 18:37:01,358 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:37:01,358 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554719257] [2020-10-19 18:37:01,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:37:01,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:37:01,412 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-19 18:37:01,412 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [554719257] [2020-10-19 18:37:01,413 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:37:01,413 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 18:37:01,413 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107936036] [2020-10-19 18:37:01,415 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 18:37:01,415 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 18:37:01,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 18:37:01,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 18:37:01,415 INFO L87 Difference]: Start difference. First operand 201 states and 302 transitions. Second operand 3 states. [2020-10-19 18:37:01,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:37:01,568 INFO L93 Difference]: Finished difference Result 397 states and 596 transitions. [2020-10-19 18:37:01,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 18:37:01,568 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2020-10-19 18:37:01,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:37:01,570 INFO L225 Difference]: With dead ends: 397 [2020-10-19 18:37:01,570 INFO L226 Difference]: Without dead ends: 204 [2020-10-19 18:37:01,571 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 18:37:01,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2020-10-19 18:37:01,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 202. [2020-10-19 18:37:01,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 202 states. [2020-10-19 18:37:01,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 302 transitions. [2020-10-19 18:37:01,581 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 302 transitions. Word has length 60 [2020-10-19 18:37:01,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:37:01,581 INFO L481 AbstractCegarLoop]: Abstraction has 202 states and 302 transitions. [2020-10-19 18:37:01,581 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 18:37:01,581 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 302 transitions. [2020-10-19 18:37:01,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-10-19 18:37:01,582 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:37:01,582 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 18:37:01,583 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-19 18:37:01,583 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-19 18:37:01,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:37:01,583 INFO L82 PathProgramCache]: Analyzing trace with hash -956503025, now seen corresponding path program 1 times [2020-10-19 18:37:01,583 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:37:01,584 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828577294] [2020-10-19 18:37:01,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:37:01,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:37:01,625 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-19 18:37:01,626 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [828577294] [2020-10-19 18:37:01,626 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:37:01,626 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 18:37:01,626 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063387490] [2020-10-19 18:37:01,627 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 18:37:01,627 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 18:37:01,627 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 18:37:01,627 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 18:37:01,627 INFO L87 Difference]: Start difference. First operand 202 states and 302 transitions. Second operand 3 states. [2020-10-19 18:37:01,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:37:01,796 INFO L93 Difference]: Finished difference Result 440 states and 667 transitions. [2020-10-19 18:37:01,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 18:37:01,797 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 73 [2020-10-19 18:37:01,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:37:01,798 INFO L225 Difference]: With dead ends: 440 [2020-10-19 18:37:01,799 INFO L226 Difference]: Without dead ends: 246 [2020-10-19 18:37:01,799 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 18:37:01,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2020-10-19 18:37:01,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 244. [2020-10-19 18:37:01,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 244 states. [2020-10-19 18:37:01,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 373 transitions. [2020-10-19 18:37:01,811 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 373 transitions. Word has length 73 [2020-10-19 18:37:01,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:37:01,811 INFO L481 AbstractCegarLoop]: Abstraction has 244 states and 373 transitions. [2020-10-19 18:37:01,811 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 18:37:01,811 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 373 transitions. [2020-10-19 18:37:01,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2020-10-19 18:37:01,812 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:37:01,812 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 18:37:01,813 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-19 18:37:01,813 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-19 18:37:01,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:37:01,813 INFO L82 PathProgramCache]: Analyzing trace with hash 603125704, now seen corresponding path program 1 times [2020-10-19 18:37:01,813 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:37:01,814 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855040492] [2020-10-19 18:37:01,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:37:01,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:37:01,856 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-19 18:37:01,856 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [855040492] [2020-10-19 18:37:01,856 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:37:01,857 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 18:37:01,857 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910080921] [2020-10-19 18:37:01,857 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 18:37:01,857 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 18:37:01,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 18:37:01,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 18:37:01,858 INFO L87 Difference]: Start difference. First operand 244 states and 373 transitions. Second operand 3 states. [2020-10-19 18:37:02,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:37:02,004 INFO L93 Difference]: Finished difference Result 514 states and 789 transitions. [2020-10-19 18:37:02,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 18:37:02,005 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 74 [2020-10-19 18:37:02,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:37:02,007 INFO L225 Difference]: With dead ends: 514 [2020-10-19 18:37:02,007 INFO L226 Difference]: Without dead ends: 278 [2020-10-19 18:37:02,008 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 18:37:02,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2020-10-19 18:37:02,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 271. [2020-10-19 18:37:02,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 271 states. [2020-10-19 18:37:02,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 413 transitions. [2020-10-19 18:37:02,021 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 413 transitions. Word has length 74 [2020-10-19 18:37:02,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:37:02,021 INFO L481 AbstractCegarLoop]: Abstraction has 271 states and 413 transitions. [2020-10-19 18:37:02,021 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 18:37:02,021 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 413 transitions. [2020-10-19 18:37:02,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2020-10-19 18:37:02,022 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:37:02,022 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 18:37:02,023 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-19 18:37:02,023 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-19 18:37:02,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:37:02,023 INFO L82 PathProgramCache]: Analyzing trace with hash -1649015640, now seen corresponding path program 1 times [2020-10-19 18:37:02,023 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:37:02,024 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739203062] [2020-10-19 18:37:02,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:37:02,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:37:02,057 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-19 18:37:02,058 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739203062] [2020-10-19 18:37:02,058 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:37:02,058 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 18:37:02,058 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027344659] [2020-10-19 18:37:02,059 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 18:37:02,059 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 18:37:02,059 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 18:37:02,059 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 18:37:02,060 INFO L87 Difference]: Start difference. First operand 271 states and 413 transitions. Second operand 3 states. [2020-10-19 18:37:02,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:37:02,218 INFO L93 Difference]: Finished difference Result 537 states and 818 transitions. [2020-10-19 18:37:02,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 18:37:02,219 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 74 [2020-10-19 18:37:02,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:37:02,221 INFO L225 Difference]: With dead ends: 537 [2020-10-19 18:37:02,221 INFO L226 Difference]: Without dead ends: 274 [2020-10-19 18:37:02,222 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 18:37:02,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2020-10-19 18:37:02,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 272. [2020-10-19 18:37:02,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 272 states. [2020-10-19 18:37:02,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 413 transitions. [2020-10-19 18:37:02,233 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 413 transitions. Word has length 74 [2020-10-19 18:37:02,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:37:02,233 INFO L481 AbstractCegarLoop]: Abstraction has 272 states and 413 transitions. [2020-10-19 18:37:02,233 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 18:37:02,233 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 413 transitions. [2020-10-19 18:37:02,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-10-19 18:37:02,234 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:37:02,234 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 18:37:02,235 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-19 18:37:02,235 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-19 18:37:02,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:37:02,235 INFO L82 PathProgramCache]: Analyzing trace with hash -1207629393, now seen corresponding path program 1 times [2020-10-19 18:37:02,235 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:37:02,235 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149156904] [2020-10-19 18:37:02,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:37:02,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:37:02,267 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-19 18:37:02,267 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1149156904] [2020-10-19 18:37:02,268 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:37:02,268 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 18:37:02,268 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62816282] [2020-10-19 18:37:02,268 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 18:37:02,269 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 18:37:02,269 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 18:37:02,269 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 18:37:02,269 INFO L87 Difference]: Start difference. First operand 272 states and 413 transitions. Second operand 3 states. [2020-10-19 18:37:02,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:37:02,482 INFO L93 Difference]: Finished difference Result 543 states and 826 transitions. [2020-10-19 18:37:02,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 18:37:02,482 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 75 [2020-10-19 18:37:02,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:37:02,485 INFO L225 Difference]: With dead ends: 543 [2020-10-19 18:37:02,485 INFO L226 Difference]: Without dead ends: 279 [2020-10-19 18:37:02,486 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 18:37:02,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2020-10-19 18:37:02,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 272. [2020-10-19 18:37:02,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 272 states. [2020-10-19 18:37:02,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 410 transitions. [2020-10-19 18:37:02,504 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 410 transitions. Word has length 75 [2020-10-19 18:37:02,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:37:02,505 INFO L481 AbstractCegarLoop]: Abstraction has 272 states and 410 transitions. [2020-10-19 18:37:02,505 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 18:37:02,505 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 410 transitions. [2020-10-19 18:37:02,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-10-19 18:37:02,507 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:37:02,508 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1] [2020-10-19 18:37:02,508 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-19 18:37:02,508 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-19 18:37:02,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:37:02,509 INFO L82 PathProgramCache]: Analyzing trace with hash -1576887455, now seen corresponding path program 1 times [2020-10-19 18:37:02,510 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:37:02,510 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187226349] [2020-10-19 18:37:02,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:37:02,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:37:02,560 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-19 18:37:02,560 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [187226349] [2020-10-19 18:37:02,561 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:37:02,561 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 18:37:02,562 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867675243] [2020-10-19 18:37:02,562 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 18:37:02,563 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 18:37:02,563 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 18:37:02,563 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 18:37:02,564 INFO L87 Difference]: Start difference. First operand 272 states and 410 transitions. Second operand 3 states. [2020-10-19 18:37:02,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:37:02,814 INFO L93 Difference]: Finished difference Result 583 states and 882 transitions. [2020-10-19 18:37:02,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 18:37:02,815 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 90 [2020-10-19 18:37:02,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:37:02,817 INFO L225 Difference]: With dead ends: 583 [2020-10-19 18:37:02,818 INFO L226 Difference]: Without dead ends: 319 [2020-10-19 18:37:02,819 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 18:37:02,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2020-10-19 18:37:02,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 315. [2020-10-19 18:37:02,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 315 states. [2020-10-19 18:37:02,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 479 transitions. [2020-10-19 18:37:02,839 INFO L78 Accepts]: Start accepts. Automaton has 315 states and 479 transitions. Word has length 90 [2020-10-19 18:37:02,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:37:02,839 INFO L481 AbstractCegarLoop]: Abstraction has 315 states and 479 transitions. [2020-10-19 18:37:02,839 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 18:37:02,840 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 479 transitions. [2020-10-19 18:37:02,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-10-19 18:37:02,842 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:37:02,842 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1] [2020-10-19 18:37:02,843 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-19 18:37:02,843 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-19 18:37:02,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:37:02,844 INFO L82 PathProgramCache]: Analyzing trace with hash -1659002301, now seen corresponding path program 1 times [2020-10-19 18:37:02,844 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:37:02,844 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779520379] [2020-10-19 18:37:02,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:37:02,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:37:02,884 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-19 18:37:02,885 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1779520379] [2020-10-19 18:37:02,886 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:37:02,886 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 18:37:02,886 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344164362] [2020-10-19 18:37:02,887 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 18:37:02,887 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 18:37:02,887 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 18:37:02,888 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 18:37:02,888 INFO L87 Difference]: Start difference. First operand 315 states and 479 transitions. Second operand 3 states. [2020-10-19 18:37:03,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:37:03,144 INFO L93 Difference]: Finished difference Result 638 states and 973 transitions. [2020-10-19 18:37:03,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 18:37:03,145 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 91 [2020-10-19 18:37:03,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:37:03,149 INFO L225 Difference]: With dead ends: 638 [2020-10-19 18:37:03,149 INFO L226 Difference]: Without dead ends: 329 [2020-10-19 18:37:03,150 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 18:37:03,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2020-10-19 18:37:03,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 325. [2020-10-19 18:37:03,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 325 states. [2020-10-19 18:37:03,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 498 transitions. [2020-10-19 18:37:03,171 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 498 transitions. Word has length 91 [2020-10-19 18:37:03,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:37:03,172 INFO L481 AbstractCegarLoop]: Abstraction has 325 states and 498 transitions. [2020-10-19 18:37:03,172 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 18:37:03,172 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 498 transitions. [2020-10-19 18:37:03,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2020-10-19 18:37:03,175 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:37:03,175 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 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, 1, 1, 1] [2020-10-19 18:37:03,175 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-19 18:37:03,176 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-19 18:37:03,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:37:03,176 INFO L82 PathProgramCache]: Analyzing trace with hash 1994556924, now seen corresponding path program 1 times [2020-10-19 18:37:03,177 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:37:03,177 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451001868] [2020-10-19 18:37:03,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:37:03,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:37:03,224 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-10-19 18:37:03,225 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451001868] [2020-10-19 18:37:03,226 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:37:03,226 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 18:37:03,226 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103645734] [2020-10-19 18:37:03,227 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 18:37:03,228 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 18:37:03,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 18:37:03,229 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 18:37:03,229 INFO L87 Difference]: Start difference. First operand 325 states and 498 transitions. Second operand 3 states. [2020-10-19 18:37:03,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:37:03,439 INFO L93 Difference]: Finished difference Result 679 states and 1043 transitions. [2020-10-19 18:37:03,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 18:37:03,440 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 100 [2020-10-19 18:37:03,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:37:03,443 INFO L225 Difference]: With dead ends: 679 [2020-10-19 18:37:03,443 INFO L226 Difference]: Without dead ends: 362 [2020-10-19 18:37:03,444 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 18:37:03,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2020-10-19 18:37:03,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 350. [2020-10-19 18:37:03,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 350 states. [2020-10-19 18:37:03,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 350 states and 532 transitions. [2020-10-19 18:37:03,463 INFO L78 Accepts]: Start accepts. Automaton has 350 states and 532 transitions. Word has length 100 [2020-10-19 18:37:03,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:37:03,464 INFO L481 AbstractCegarLoop]: Abstraction has 350 states and 532 transitions. [2020-10-19 18:37:03,464 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 18:37:03,464 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 532 transitions. [2020-10-19 18:37:03,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2020-10-19 18:37:03,466 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:37:03,466 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 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, 1, 1, 1] [2020-10-19 18:37:03,467 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-19 18:37:03,467 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-19 18:37:03,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:37:03,467 INFO L82 PathProgramCache]: Analyzing trace with hash 98352259, now seen corresponding path program 1 times [2020-10-19 18:37:03,468 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:37:03,468 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489169594] [2020-10-19 18:37:03,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:37:03,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:37:03,509 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-10-19 18:37:03,509 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1489169594] [2020-10-19 18:37:03,510 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:37:03,510 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 18:37:03,510 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530497911] [2020-10-19 18:37:03,511 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 18:37:03,511 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 18:37:03,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 18:37:03,512 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 18:37:03,512 INFO L87 Difference]: Start difference. First operand 350 states and 532 transitions. Second operand 3 states. [2020-10-19 18:37:03,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:37:03,704 INFO L93 Difference]: Finished difference Result 704 states and 1072 transitions. [2020-10-19 18:37:03,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 18:37:03,705 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 101 [2020-10-19 18:37:03,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:37:03,707 INFO L225 Difference]: With dead ends: 704 [2020-10-19 18:37:03,707 INFO L226 Difference]: Without dead ends: 362 [2020-10-19 18:37:03,708 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 18:37:03,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2020-10-19 18:37:03,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 350. [2020-10-19 18:37:03,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 350 states. [2020-10-19 18:37:03,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 350 states and 527 transitions. [2020-10-19 18:37:03,724 INFO L78 Accepts]: Start accepts. Automaton has 350 states and 527 transitions. Word has length 101 [2020-10-19 18:37:03,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:37:03,724 INFO L481 AbstractCegarLoop]: Abstraction has 350 states and 527 transitions. [2020-10-19 18:37:03,725 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 18:37:03,725 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 527 transitions. [2020-10-19 18:37:03,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-10-19 18:37:03,727 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:37:03,727 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 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, 1, 1, 1, 1, 1, 1] [2020-10-19 18:37:03,727 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-19 18:37:03,727 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-19 18:37:03,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:37:03,728 INFO L82 PathProgramCache]: Analyzing trace with hash 1920296106, now seen corresponding path program 1 times [2020-10-19 18:37:03,728 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:37:03,728 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593936414] [2020-10-19 18:37:03,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:37:03,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:37:03,770 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2020-10-19 18:37:03,771 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1593936414] [2020-10-19 18:37:03,771 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:37:03,772 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 18:37:03,772 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601287643] [2020-10-19 18:37:03,772 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 18:37:03,773 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 18:37:03,773 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 18:37:03,773 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 18:37:03,773 INFO L87 Difference]: Start difference. First operand 350 states and 527 transitions. Second operand 3 states. [2020-10-19 18:37:03,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:37:03,929 INFO L93 Difference]: Finished difference Result 719 states and 1082 transitions. [2020-10-19 18:37:03,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 18:37:03,930 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 120 [2020-10-19 18:37:03,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:37:03,932 INFO L225 Difference]: With dead ends: 719 [2020-10-19 18:37:03,932 INFO L226 Difference]: Without dead ends: 377 [2020-10-19 18:37:03,933 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 18:37:03,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2020-10-19 18:37:03,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 374. [2020-10-19 18:37:03,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 374 states. [2020-10-19 18:37:03,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 557 transitions. [2020-10-19 18:37:03,949 INFO L78 Accepts]: Start accepts. Automaton has 374 states and 557 transitions. Word has length 120 [2020-10-19 18:37:03,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:37:03,950 INFO L481 AbstractCegarLoop]: Abstraction has 374 states and 557 transitions. [2020-10-19 18:37:03,950 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 18:37:03,950 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 557 transitions. [2020-10-19 18:37:03,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-10-19 18:37:03,952 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:37:03,952 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 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, 1, 1, 1, 1, 1, 1] [2020-10-19 18:37:03,952 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-19 18:37:03,953 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-19 18:37:03,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:37:03,953 INFO L82 PathProgramCache]: Analyzing trace with hash -698248943, now seen corresponding path program 1 times [2020-10-19 18:37:03,953 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:37:03,954 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405235543] [2020-10-19 18:37:03,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:37:03,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:37:03,988 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2020-10-19 18:37:03,989 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [405235543] [2020-10-19 18:37:03,989 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:37:03,989 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 18:37:03,989 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068434696] [2020-10-19 18:37:03,990 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 18:37:03,990 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 18:37:03,990 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 18:37:03,991 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 18:37:03,991 INFO L87 Difference]: Start difference. First operand 374 states and 557 transitions. Second operand 3 states. [2020-10-19 18:37:04,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:37:04,159 INFO L93 Difference]: Finished difference Result 743 states and 1106 transitions. [2020-10-19 18:37:04,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 18:37:04,160 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 121 [2020-10-19 18:37:04,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:37:04,163 INFO L225 Difference]: With dead ends: 743 [2020-10-19 18:37:04,164 INFO L226 Difference]: Without dead ends: 377 [2020-10-19 18:37:04,165 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 18:37:04,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2020-10-19 18:37:04,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 374. [2020-10-19 18:37:04,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 374 states. [2020-10-19 18:37:04,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 551 transitions. [2020-10-19 18:37:04,183 INFO L78 Accepts]: Start accepts. Automaton has 374 states and 551 transitions. Word has length 121 [2020-10-19 18:37:04,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:37:04,184 INFO L481 AbstractCegarLoop]: Abstraction has 374 states and 551 transitions. [2020-10-19 18:37:04,184 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 18:37:04,185 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 551 transitions. [2020-10-19 18:37:04,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2020-10-19 18:37:04,188 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:37:04,188 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1] [2020-10-19 18:37:04,189 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-19 18:37:04,189 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-19 18:37:04,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:37:04,190 INFO L82 PathProgramCache]: Analyzing trace with hash -1095545664, now seen corresponding path program 1 times [2020-10-19 18:37:04,190 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:37:04,190 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084149473] [2020-10-19 18:37:04,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:37:04,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:37:04,252 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-10-19 18:37:04,253 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084149473] [2020-10-19 18:37:04,253 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:37:04,254 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 18:37:04,254 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423629266] [2020-10-19 18:37:04,255 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 18:37:04,255 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 18:37:04,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 18:37:04,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 18:37:04,256 INFO L87 Difference]: Start difference. First operand 374 states and 551 transitions. Second operand 3 states. [2020-10-19 18:37:04,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:37:04,494 INFO L93 Difference]: Finished difference Result 785 states and 1156 transitions. [2020-10-19 18:37:04,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 18:37:04,495 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 130 [2020-10-19 18:37:04,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:37:04,499 INFO L225 Difference]: With dead ends: 785 [2020-10-19 18:37:04,499 INFO L226 Difference]: Without dead ends: 419 [2020-10-19 18:37:04,501 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 18:37:04,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 419 states. [2020-10-19 18:37:04,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 419 to 415. [2020-10-19 18:37:04,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 415 states. [2020-10-19 18:37:04,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 415 states and 610 transitions. [2020-10-19 18:37:04,529 INFO L78 Accepts]: Start accepts. Automaton has 415 states and 610 transitions. Word has length 130 [2020-10-19 18:37:04,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:37:04,530 INFO L481 AbstractCegarLoop]: Abstraction has 415 states and 610 transitions. [2020-10-19 18:37:04,530 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 18:37:04,530 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 610 transitions. [2020-10-19 18:37:04,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2020-10-19 18:37:04,533 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:37:04,534 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 18:37:04,534 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-19 18:37:04,534 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-19 18:37:04,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:37:04,535 INFO L82 PathProgramCache]: Analyzing trace with hash 850220610, now seen corresponding path program 1 times [2020-10-19 18:37:04,535 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:37:04,536 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216181541] [2020-10-19 18:37:04,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:37:04,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:37:04,596 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-10-19 18:37:04,597 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1216181541] [2020-10-19 18:37:04,597 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:37:04,598 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 18:37:04,598 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757645129] [2020-10-19 18:37:04,599 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 18:37:04,599 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 18:37:04,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 18:37:04,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 18:37:04,600 INFO L87 Difference]: Start difference. First operand 415 states and 610 transitions. Second operand 3 states. [2020-10-19 18:37:04,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:37:04,829 INFO L93 Difference]: Finished difference Result 826 states and 1213 transitions. [2020-10-19 18:37:04,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 18:37:04,830 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 131 [2020-10-19 18:37:04,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:37:04,833 INFO L225 Difference]: With dead ends: 826 [2020-10-19 18:37:04,833 INFO L226 Difference]: Without dead ends: 417 [2020-10-19 18:37:04,834 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 18:37:04,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417 states. [2020-10-19 18:37:04,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417 to 413. [2020-10-19 18:37:04,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 413 states. [2020-10-19 18:37:04,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 605 transitions. [2020-10-19 18:37:04,853 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 605 transitions. Word has length 131 [2020-10-19 18:37:04,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:37:04,853 INFO L481 AbstractCegarLoop]: Abstraction has 413 states and 605 transitions. [2020-10-19 18:37:04,853 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 18:37:04,854 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 605 transitions. [2020-10-19 18:37:04,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-10-19 18:37:04,855 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:37:04,856 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 18:37:04,856 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-19 18:37:04,856 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-19 18:37:04,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:37:04,857 INFO L82 PathProgramCache]: Analyzing trace with hash -1977670215, now seen corresponding path program 1 times [2020-10-19 18:37:04,857 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:37:04,857 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400578580] [2020-10-19 18:37:04,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:37:04,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:37:04,898 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2020-10-19 18:37:04,899 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1400578580] [2020-10-19 18:37:04,899 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:37:04,899 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 18:37:04,899 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128946383] [2020-10-19 18:37:04,900 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 18:37:04,900 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 18:37:04,901 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 18:37:04,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 18:37:04,901 INFO L87 Difference]: Start difference. First operand 413 states and 605 transitions. Second operand 3 states. [2020-10-19 18:37:05,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:37:05,053 INFO L93 Difference]: Finished difference Result 843 states and 1235 transitions. [2020-10-19 18:37:05,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 18:37:05,053 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 141 [2020-10-19 18:37:05,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:37:05,056 INFO L225 Difference]: With dead ends: 843 [2020-10-19 18:37:05,056 INFO L226 Difference]: Without dead ends: 438 [2020-10-19 18:37:05,057 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 18:37:05,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 438 states. [2020-10-19 18:37:05,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 438 to 434. [2020-10-19 18:37:05,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 434 states. [2020-10-19 18:37:05,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 628 transitions. [2020-10-19 18:37:05,076 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 628 transitions. Word has length 141 [2020-10-19 18:37:05,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:37:05,076 INFO L481 AbstractCegarLoop]: Abstraction has 434 states and 628 transitions. [2020-10-19 18:37:05,076 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 18:37:05,076 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 628 transitions. [2020-10-19 18:37:05,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-10-19 18:37:05,078 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:37:05,079 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 18:37:05,079 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-19 18:37:05,079 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-19 18:37:05,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:37:05,080 INFO L82 PathProgramCache]: Analyzing trace with hash -2018786222, now seen corresponding path program 1 times [2020-10-19 18:37:05,080 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:37:05,080 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [963056006] [2020-10-19 18:37:05,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:37:05,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:37:05,116 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2020-10-19 18:37:05,117 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [963056006] [2020-10-19 18:37:05,117 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:37:05,117 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 18:37:05,117 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1430539351] [2020-10-19 18:37:05,118 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 18:37:05,118 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 18:37:05,118 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 18:37:05,118 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 18:37:05,119 INFO L87 Difference]: Start difference. First operand 434 states and 628 transitions. Second operand 3 states. [2020-10-19 18:37:05,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:37:05,276 INFO L93 Difference]: Finished difference Result 864 states and 1250 transitions. [2020-10-19 18:37:05,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 18:37:05,277 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2020-10-19 18:37:05,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:37:05,281 INFO L225 Difference]: With dead ends: 864 [2020-10-19 18:37:05,281 INFO L226 Difference]: Without dead ends: 438 [2020-10-19 18:37:05,283 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 18:37:05,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 438 states. [2020-10-19 18:37:05,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 438 to 434. [2020-10-19 18:37:05,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 434 states. [2020-10-19 18:37:05,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 620 transitions. [2020-10-19 18:37:05,313 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 620 transitions. Word has length 142 [2020-10-19 18:37:05,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:37:05,314 INFO L481 AbstractCegarLoop]: Abstraction has 434 states and 620 transitions. [2020-10-19 18:37:05,314 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 18:37:05,314 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 620 transitions. [2020-10-19 18:37:05,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-10-19 18:37:05,317 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:37:05,317 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 3, 3, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 18:37:05,318 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-10-19 18:37:05,318 INFO L429 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-19 18:37:05,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:37:05,319 INFO L82 PathProgramCache]: Analyzing trace with hash -136164042, now seen corresponding path program 1 times [2020-10-19 18:37:05,319 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:37:05,319 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63134896] [2020-10-19 18:37:05,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:37:05,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:37:05,406 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 148 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2020-10-19 18:37:05,407 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [63134896] [2020-10-19 18:37:05,407 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:37:05,408 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 18:37:05,408 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [945985704] [2020-10-19 18:37:05,408 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 18:37:05,409 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 18:37:05,409 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 18:37:05,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 18:37:05,410 INFO L87 Difference]: Start difference. First operand 434 states and 620 transitions. Second operand 3 states. [2020-10-19 18:37:05,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:37:05,471 INFO L93 Difference]: Finished difference Result 1280 states and 1824 transitions. [2020-10-19 18:37:05,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 18:37:05,472 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 157 [2020-10-19 18:37:05,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:37:05,478 INFO L225 Difference]: With dead ends: 1280 [2020-10-19 18:37:05,479 INFO L226 Difference]: Without dead ends: 854 [2020-10-19 18:37:05,480 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 18:37:05,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 854 states. [2020-10-19 18:37:05,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 854 to 435. [2020-10-19 18:37:05,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 435 states. [2020-10-19 18:37:05,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 621 transitions. [2020-10-19 18:37:05,520 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 621 transitions. Word has length 157 [2020-10-19 18:37:05,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:37:05,520 INFO L481 AbstractCegarLoop]: Abstraction has 435 states and 621 transitions. [2020-10-19 18:37:05,521 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 18:37:05,521 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 621 transitions. [2020-10-19 18:37:05,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-10-19 18:37:05,523 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:37:05,524 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 3, 3, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 18:37:05,524 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-10-19 18:37:05,525 INFO L429 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-19 18:37:05,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:37:05,525 INFO L82 PathProgramCache]: Analyzing trace with hash -877621738, now seen corresponding path program 1 times [2020-10-19 18:37:05,525 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:37:05,526 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592299399] [2020-10-19 18:37:05,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:37:05,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:37:05,636 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 110 proven. 5 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2020-10-19 18:37:05,636 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592299399] [2020-10-19 18:37:05,637 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [858876440] [2020-10-19 18:37:05,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 18:37:05,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:37:05,727 INFO L263 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 3 conjunts are in the unsatisfiable core [2020-10-19 18:37:05,739 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:37:05,814 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 110 proven. 5 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2020-10-19 18:37:05,815 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-19 18:37:05,815 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2020-10-19 18:37:05,816 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698091116] [2020-10-19 18:37:05,816 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-19 18:37:05,817 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 18:37:05,817 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-19 18:37:05,817 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-19 18:37:05,818 INFO L87 Difference]: Start difference. First operand 435 states and 621 transitions. Second operand 4 states. [2020-10-19 18:37:06,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:37:06,242 INFO L93 Difference]: Finished difference Result 1356 states and 1933 transitions. [2020-10-19 18:37:06,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-19 18:37:06,243 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 157 [2020-10-19 18:37:06,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:37:06,249 INFO L225 Difference]: With dead ends: 1356 [2020-10-19 18:37:06,250 INFO L226 Difference]: Without dead ends: 904 [2020-10-19 18:37:06,251 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-19 18:37:06,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 904 states. [2020-10-19 18:37:06,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 904 to 533. [2020-10-19 18:37:06,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 533 states. [2020-10-19 18:37:06,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 533 states and 762 transitions. [2020-10-19 18:37:06,287 INFO L78 Accepts]: Start accepts. Automaton has 533 states and 762 transitions. Word has length 157 [2020-10-19 18:37:06,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:37:06,288 INFO L481 AbstractCegarLoop]: Abstraction has 533 states and 762 transitions. [2020-10-19 18:37:06,288 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-19 18:37:06,288 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 762 transitions. [2020-10-19 18:37:06,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-10-19 18:37:06,292 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:37:06,292 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 3, 3, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 18:37:06,506 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2020-10-19 18:37:06,507 INFO L429 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-19 18:37:06,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:37:06,507 INFO L82 PathProgramCache]: Analyzing trace with hash -1902183378, now seen corresponding path program 1 times [2020-10-19 18:37:06,507 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:37:06,508 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683113023] [2020-10-19 18:37:06,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:37:06,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:37:06,591 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 120 proven. 7 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2020-10-19 18:37:06,591 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [683113023] [2020-10-19 18:37:06,591 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1160692696] [2020-10-19 18:37:06,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 18:37:06,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:37:06,726 INFO L263 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 3 conjunts are in the unsatisfiable core [2020-10-19 18:37:06,731 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:37:06,779 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 120 proven. 7 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2020-10-19 18:37:06,779 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-19 18:37:06,779 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2020-10-19 18:37:06,780 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684461865] [2020-10-19 18:37:06,780 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-19 18:37:06,780 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 18:37:06,780 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-19 18:37:06,781 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-19 18:37:06,781 INFO L87 Difference]: Start difference. First operand 533 states and 762 transitions. Second operand 4 states. [2020-10-19 18:37:07,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:37:07,186 INFO L93 Difference]: Finished difference Result 1477 states and 2099 transitions. [2020-10-19 18:37:07,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-19 18:37:07,186 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 159 [2020-10-19 18:37:07,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:37:07,191 INFO L225 Difference]: With dead ends: 1477 [2020-10-19 18:37:07,191 INFO L226 Difference]: Without dead ends: 952 [2020-10-19 18:37:07,193 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-19 18:37:07,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 952 states. [2020-10-19 18:37:07,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 952 to 588. [2020-10-19 18:37:07,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 588 states. [2020-10-19 18:37:07,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 588 states and 802 transitions. [2020-10-19 18:37:07,225 INFO L78 Accepts]: Start accepts. Automaton has 588 states and 802 transitions. Word has length 159 [2020-10-19 18:37:07,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:37:07,226 INFO L481 AbstractCegarLoop]: Abstraction has 588 states and 802 transitions. [2020-10-19 18:37:07,226 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-19 18:37:07,226 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 802 transitions. [2020-10-19 18:37:07,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-10-19 18:37:07,228 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:37:07,229 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 18:37:07,443 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2020-10-19 18:37:07,444 INFO L429 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-19 18:37:07,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:37:07,445 INFO L82 PathProgramCache]: Analyzing trace with hash 1057676942, now seen corresponding path program 1 times [2020-10-19 18:37:07,445 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:37:07,446 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607762011] [2020-10-19 18:37:07,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:37:07,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:37:07,506 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 97 proven. 5 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2020-10-19 18:37:07,507 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1607762011] [2020-10-19 18:37:07,507 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [223487559] [2020-10-19 18:37:07,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 18:37:07,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:37:07,600 INFO L263 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 3 conjunts are in the unsatisfiable core [2020-10-19 18:37:07,614 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:37:07,652 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 97 proven. 5 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2020-10-19 18:37:07,652 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-19 18:37:07,653 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2020-10-19 18:37:07,653 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049375558] [2020-10-19 18:37:07,653 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-19 18:37:07,654 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 18:37:07,654 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-19 18:37:07,654 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-19 18:37:07,655 INFO L87 Difference]: Start difference. First operand 588 states and 802 transitions. Second operand 4 states. [2020-10-19 18:37:08,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:37:08,015 INFO L93 Difference]: Finished difference Result 1485 states and 2023 transitions. [2020-10-19 18:37:08,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-19 18:37:08,016 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 167 [2020-10-19 18:37:08,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:37:08,022 INFO L225 Difference]: With dead ends: 1485 [2020-10-19 18:37:08,022 INFO L226 Difference]: Without dead ends: 898 [2020-10-19 18:37:08,024 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-19 18:37:08,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 898 states. [2020-10-19 18:37:08,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 898 to 516. [2020-10-19 18:37:08,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 516 states. [2020-10-19 18:37:08,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 516 states and 701 transitions. [2020-10-19 18:37:08,056 INFO L78 Accepts]: Start accepts. Automaton has 516 states and 701 transitions. Word has length 167 [2020-10-19 18:37:08,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:37:08,057 INFO L481 AbstractCegarLoop]: Abstraction has 516 states and 701 transitions. [2020-10-19 18:37:08,057 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-19 18:37:08,057 INFO L276 IsEmpty]: Start isEmpty. Operand 516 states and 701 transitions. [2020-10-19 18:37:08,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2020-10-19 18:37:08,060 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:37:08,061 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 18:37:08,275 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2020-10-19 18:37:08,275 INFO L429 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-19 18:37:08,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:37:08,276 INFO L82 PathProgramCache]: Analyzing trace with hash 2140887848, now seen corresponding path program 1 times [2020-10-19 18:37:08,277 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:37:08,277 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119372148] [2020-10-19 18:37:08,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:37:08,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:37:08,343 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 159 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2020-10-19 18:37:08,343 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2119372148] [2020-10-19 18:37:08,344 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:37:08,344 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 18:37:08,344 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220100035] [2020-10-19 18:37:08,345 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 18:37:08,345 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 18:37:08,345 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 18:37:08,345 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 18:37:08,346 INFO L87 Difference]: Start difference. First operand 516 states and 701 transitions. Second operand 3 states. [2020-10-19 18:37:08,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:37:08,382 INFO L93 Difference]: Finished difference Result 1227 states and 1657 transitions. [2020-10-19 18:37:08,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 18:37:08,383 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 169 [2020-10-19 18:37:08,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:37:08,386 INFO L225 Difference]: With dead ends: 1227 [2020-10-19 18:37:08,386 INFO L226 Difference]: Without dead ends: 478 [2020-10-19 18:37:08,388 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 18:37:08,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 478 states. [2020-10-19 18:37:08,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 478 to 478. [2020-10-19 18:37:08,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 478 states. [2020-10-19 18:37:08,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 478 states and 649 transitions. [2020-10-19 18:37:08,410 INFO L78 Accepts]: Start accepts. Automaton has 478 states and 649 transitions. Word has length 169 [2020-10-19 18:37:08,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:37:08,410 INFO L481 AbstractCegarLoop]: Abstraction has 478 states and 649 transitions. [2020-10-19 18:37:08,410 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 18:37:08,410 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 649 transitions. [2020-10-19 18:37:08,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2020-10-19 18:37:08,413 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:37:08,413 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 18:37:08,414 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-10-19 18:37:08,414 INFO L429 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-19 18:37:08,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:37:08,414 INFO L82 PathProgramCache]: Analyzing trace with hash -873338986, now seen corresponding path program 1 times [2020-10-19 18:37:08,415 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:37:08,415 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [776737724] [2020-10-19 18:37:08,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:37:08,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:37:08,467 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2020-10-19 18:37:08,468 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [776737724] [2020-10-19 18:37:08,468 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:37:08,468 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 18:37:08,468 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716798823] [2020-10-19 18:37:08,469 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 18:37:08,469 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 18:37:08,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 18:37:08,469 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 18:37:08,470 INFO L87 Difference]: Start difference. First operand 478 states and 649 transitions. Second operand 3 states. [2020-10-19 18:37:08,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:37:08,622 INFO L93 Difference]: Finished difference Result 965 states and 1305 transitions. [2020-10-19 18:37:08,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 18:37:08,623 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 201 [2020-10-19 18:37:08,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:37:08,626 INFO L225 Difference]: With dead ends: 965 [2020-10-19 18:37:08,626 INFO L226 Difference]: Without dead ends: 483 [2020-10-19 18:37:08,627 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 18:37:08,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 483 states. [2020-10-19 18:37:08,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 483 to 479. [2020-10-19 18:37:08,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 479 states. [2020-10-19 18:37:08,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 479 states and 640 transitions. [2020-10-19 18:37:08,647 INFO L78 Accepts]: Start accepts. Automaton has 479 states and 640 transitions. Word has length 201 [2020-10-19 18:37:08,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:37:08,648 INFO L481 AbstractCegarLoop]: Abstraction has 479 states and 640 transitions. [2020-10-19 18:37:08,648 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 18:37:08,648 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 640 transitions. [2020-10-19 18:37:08,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2020-10-19 18:37:08,653 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:37:08,654 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 9, 9, 8, 8, 7, 7, 6, 6, 6, 6, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 18:37:08,654 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2020-10-19 18:37:08,654 INFO L429 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-19 18:37:08,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:37:08,655 INFO L82 PathProgramCache]: Analyzing trace with hash 840195126, now seen corresponding path program 1 times [2020-10-19 18:37:08,655 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:37:08,655 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413861545] [2020-10-19 18:37:08,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:37:08,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:37:08,772 INFO L134 CoverageAnalysis]: Checked inductivity of 1164 backedges. 700 proven. 0 refuted. 0 times theorem prover too weak. 464 trivial. 0 not checked. [2020-10-19 18:37:08,772 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413861545] [2020-10-19 18:37:08,773 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:37:08,773 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 18:37:08,775 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052871807] [2020-10-19 18:37:08,776 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 18:37:08,776 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 18:37:08,776 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 18:37:08,776 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 18:37:08,777 INFO L87 Difference]: Start difference. First operand 479 states and 640 transitions. Second operand 3 states. [2020-10-19 18:37:08,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:37:08,917 INFO L93 Difference]: Finished difference Result 986 states and 1311 transitions. [2020-10-19 18:37:08,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 18:37:08,918 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 340 [2020-10-19 18:37:08,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:37:08,921 INFO L225 Difference]: With dead ends: 986 [2020-10-19 18:37:08,921 INFO L226 Difference]: Without dead ends: 515 [2020-10-19 18:37:08,923 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 18:37:08,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 515 states. [2020-10-19 18:37:08,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 515 to 513. [2020-10-19 18:37:08,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 513 states. [2020-10-19 18:37:08,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 513 states and 679 transitions. [2020-10-19 18:37:08,946 INFO L78 Accepts]: Start accepts. Automaton has 513 states and 679 transitions. Word has length 340 [2020-10-19 18:37:08,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:37:08,947 INFO L481 AbstractCegarLoop]: Abstraction has 513 states and 679 transitions. [2020-10-19 18:37:08,947 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 18:37:08,947 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 679 transitions. [2020-10-19 18:37:08,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 372 [2020-10-19 18:37:08,954 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:37:08,954 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 10, 10, 9, 9, 8, 8, 7, 7, 7, 7, 5, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 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, 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, 1, 1, 1] [2020-10-19 18:37:08,954 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2020-10-19 18:37:08,954 INFO L429 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-19 18:37:08,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:37:08,955 INFO L82 PathProgramCache]: Analyzing trace with hash 299615116, now seen corresponding path program 1 times [2020-10-19 18:37:08,955 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:37:08,956 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316337022] [2020-10-19 18:37:08,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:37:08,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:37:09,125 INFO L134 CoverageAnalysis]: Checked inductivity of 1424 backedges. 824 proven. 0 refuted. 0 times theorem prover too weak. 600 trivial. 0 not checked. [2020-10-19 18:37:09,126 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [316337022] [2020-10-19 18:37:09,126 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:37:09,126 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 18:37:09,126 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180083818] [2020-10-19 18:37:09,127 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 18:37:09,127 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 18:37:09,127 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 18:37:09,127 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 18:37:09,128 INFO L87 Difference]: Start difference. First operand 513 states and 679 transitions. Second operand 3 states. [2020-10-19 18:37:09,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:37:09,316 INFO L93 Difference]: Finished difference Result 1056 states and 1393 transitions. [2020-10-19 18:37:09,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 18:37:09,317 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 371 [2020-10-19 18:37:09,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:37:09,320 INFO L225 Difference]: With dead ends: 1056 [2020-10-19 18:37:09,320 INFO L226 Difference]: Without dead ends: 551 [2020-10-19 18:37:09,321 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 18:37:09,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 551 states. [2020-10-19 18:37:09,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 551 to 549. [2020-10-19 18:37:09,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 549 states. [2020-10-19 18:37:09,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 549 states and 720 transitions. [2020-10-19 18:37:09,342 INFO L78 Accepts]: Start accepts. Automaton has 549 states and 720 transitions. Word has length 371 [2020-10-19 18:37:09,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:37:09,343 INFO L481 AbstractCegarLoop]: Abstraction has 549 states and 720 transitions. [2020-10-19 18:37:09,343 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 18:37:09,343 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 720 transitions. [2020-10-19 18:37:09,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2020-10-19 18:37:09,351 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:37:09,351 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 11, 11, 10, 10, 9, 9, 8, 8, 8, 8, 6, 5, 5, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 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, 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, 1, 1, 1, 1, 1, 1] [2020-10-19 18:37:09,351 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2020-10-19 18:37:09,351 INFO L429 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-19 18:37:09,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:37:09,352 INFO L82 PathProgramCache]: Analyzing trace with hash 521510171, now seen corresponding path program 1 times [2020-10-19 18:37:09,352 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:37:09,352 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1290866779] [2020-10-19 18:37:09,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:37:09,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:37:09,770 INFO L134 CoverageAnalysis]: Checked inductivity of 1719 backedges. 970 proven. 0 refuted. 0 times theorem prover too weak. 749 trivial. 0 not checked. [2020-10-19 18:37:09,771 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1290866779] [2020-10-19 18:37:09,771 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:37:09,772 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 18:37:09,772 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056908847] [2020-10-19 18:37:09,773 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 18:37:09,773 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 18:37:09,773 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 18:37:09,773 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 18:37:09,774 INFO L87 Difference]: Start difference. First operand 549 states and 720 transitions. Second operand 3 states. [2020-10-19 18:37:09,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:37:09,849 INFO L93 Difference]: Finished difference Result 1500 states and 1957 transitions. [2020-10-19 18:37:09,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 18:37:09,850 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 404 [2020-10-19 18:37:09,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:37:09,857 INFO L225 Difference]: With dead ends: 1500 [2020-10-19 18:37:09,857 INFO L226 Difference]: Without dead ends: 959 [2020-10-19 18:37:09,859 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 18:37:09,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 959 states. [2020-10-19 18:37:09,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 959 to 959. [2020-10-19 18:37:09,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 959 states. [2020-10-19 18:37:09,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 959 states to 959 states and 1245 transitions. [2020-10-19 18:37:09,919 INFO L78 Accepts]: Start accepts. Automaton has 959 states and 1245 transitions. Word has length 404 [2020-10-19 18:37:09,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:37:09,920 INFO L481 AbstractCegarLoop]: Abstraction has 959 states and 1245 transitions. [2020-10-19 18:37:09,920 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 18:37:09,921 INFO L276 IsEmpty]: Start isEmpty. Operand 959 states and 1245 transitions. [2020-10-19 18:37:09,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2020-10-19 18:37:09,937 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:37:09,938 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 11, 11, 10, 10, 9, 9, 8, 8, 8, 8, 6, 5, 5, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 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, 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, 1, 1, 1, 1, 1, 1] [2020-10-19 18:37:09,938 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2020-10-19 18:37:09,938 INFO L429 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-19 18:37:09,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:37:09,939 INFO L82 PathProgramCache]: Analyzing trace with hash 810329561, now seen corresponding path program 1 times [2020-10-19 18:37:09,939 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:37:09,940 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341180159] [2020-10-19 18:37:09,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:37:09,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:37:10,185 INFO L134 CoverageAnalysis]: Checked inductivity of 1719 backedges. 354 proven. 7 refuted. 0 times theorem prover too weak. 1358 trivial. 0 not checked. [2020-10-19 18:37:10,185 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1341180159] [2020-10-19 18:37:10,186 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [854032064] [2020-10-19 18:37:10,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 18:37:10,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:37:10,298 INFO L263 TraceCheckSpWp]: Trace formula consists of 668 conjuncts, 3 conjunts are in the unsatisfiable core [2020-10-19 18:37:10,304 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:37:10,450 INFO L134 CoverageAnalysis]: Checked inductivity of 1719 backedges. 354 proven. 7 refuted. 0 times theorem prover too weak. 1358 trivial. 0 not checked. [2020-10-19 18:37:10,451 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-19 18:37:10,451 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2020-10-19 18:37:10,452 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589080740] [2020-10-19 18:37:10,454 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-19 18:37:10,454 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 18:37:10,455 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-19 18:37:10,455 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-19 18:37:10,455 INFO L87 Difference]: Start difference. First operand 959 states and 1245 transitions. Second operand 6 states. [2020-10-19 18:37:10,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:37:10,758 INFO L93 Difference]: Finished difference Result 2294 states and 3012 transitions. [2020-10-19 18:37:10,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-19 18:37:10,758 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 404 [2020-10-19 18:37:10,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:37:10,760 INFO L225 Difference]: With dead ends: 2294 [2020-10-19 18:37:10,760 INFO L226 Difference]: Without dead ends: 0 [2020-10-19 18:37:10,764 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 409 GetRequests, 404 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-19 18:37:10,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-19 18:37:10,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-19 18:37:10,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-19 18:37:10,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-19 18:37:10,767 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 404 [2020-10-19 18:37:10,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:37:10,767 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 18:37:10,767 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-19 18:37:10,768 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-19 18:37:10,768 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-19 18:37:10,968 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 18:37:10,970 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-19 18:37:12,073 WARN L193 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 200 [2020-10-19 18:37:12,619 WARN L193 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 200 [2020-10-19 18:37:12,968 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 14 [2020-10-19 18:37:13,206 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 58 [2020-10-19 18:37:13,445 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 48 [2020-10-19 18:37:13,866 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 62 [2020-10-19 18:37:14,064 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 58 [2020-10-19 18:37:14,433 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 29 [2020-10-19 18:37:14,635 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 46 [2020-10-19 18:37:14,820 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 46 [2020-10-19 18:37:15,080 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 29 [2020-10-19 18:37:15,307 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 48 [2020-10-19 18:37:15,520 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 46 [2020-10-19 18:37:15,729 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 46 [2020-10-19 18:37:15,962 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 14 [2020-10-19 18:37:16,187 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 48 [2020-10-19 18:37:16,383 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 34 [2020-10-19 18:37:18,185 WARN L193 SmtUtils]: Spent 1.80 s on a formula simplification. DAG size of input: 182 DAG size of output: 72 [2020-10-19 18:37:18,446 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 53 [2020-10-19 18:37:20,263 WARN L193 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 182 DAG size of output: 72 [2020-10-19 18:37:20,455 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 6 [2020-10-19 18:37:20,459 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 262) no Hoare annotation was computed. [2020-10-19 18:37:20,459 INFO L270 CegarLoopResult]: At program point L168(lines 167 609) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8512))) (.cse2 (not (= 8192 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8195))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse5 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse6 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse8 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse16 (<= 8576 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0)) (.cse9 (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse11 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse12 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8528))) (.cse13 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8529))) (.cse14 (not (= 8513 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse15 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (= 3 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0) .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15) (and .cse0 .cse1 .cse2 .cse3 .cse4 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8640) .cse5 .cse6 .cse7 .cse8 .cse16 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (and (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse16 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15))) [2020-10-19 18:37:20,459 INFO L270 CegarLoopResult]: At program point L135(lines 128 622) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8512))) (.cse2 (not (= 8192 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8195))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse5 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse6 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse8 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse9 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse11 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse12 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8528))) (.cse13 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8529))) (.cse14 (not (= 8513 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse15 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0)) .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15))) [2020-10-19 18:37:20,460 INFO L274 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-10-19 18:37:20,460 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-19 18:37:20,460 INFO L274 CegarLoopResult]: For program point L631(lines 631 659) no Hoare annotation was computed. [2020-10-19 18:37:20,460 INFO L274 CegarLoopResult]: For program point L466(lines 466 470) no Hoare annotation was computed. [2020-10-19 18:37:20,460 INFO L274 CegarLoopResult]: For program point L632(lines 632 656) no Hoare annotation was computed. [2020-10-19 18:37:20,460 INFO L274 CegarLoopResult]: For program point L566(lines 566 570) no Hoare annotation was computed. [2020-10-19 18:37:20,461 INFO L274 CegarLoopResult]: For program point L500(lines 500 504) no Hoare annotation was computed. [2020-10-19 18:37:20,461 INFO L274 CegarLoopResult]: For program point L566-2(lines 566 570) no Hoare annotation was computed. [2020-10-19 18:37:20,461 INFO L274 CegarLoopResult]: For program point L500-2(lines 211 592) no Hoare annotation was computed. [2020-10-19 18:37:20,461 INFO L274 CegarLoopResult]: For program point L203(lines 203 597) no Hoare annotation was computed. [2020-10-19 18:37:20,461 INFO L274 CegarLoopResult]: For program point L170(lines 170 608) no Hoare annotation was computed. [2020-10-19 18:37:20,462 INFO L274 CegarLoopResult]: For program point L137(lines 137 619) no Hoare annotation was computed. [2020-10-19 18:37:20,462 INFO L274 CegarLoopResult]: For program point L104(lines 104 630) no Hoare annotation was computed. [2020-10-19 18:37:20,462 INFO L274 CegarLoopResult]: For program point L666(lines 666 670) no Hoare annotation was computed. [2020-10-19 18:37:20,462 INFO L274 CegarLoopResult]: For program point L633(lines 633 642) no Hoare annotation was computed. [2020-10-19 18:37:20,462 INFO L274 CegarLoopResult]: For program point L666-2(lines 666 670) no Hoare annotation was computed. [2020-10-19 18:37:20,462 INFO L274 CegarLoopResult]: For program point L633-2(lines 632 654) no Hoare annotation was computed. [2020-10-19 18:37:20,462 INFO L274 CegarLoopResult]: For program point L270(lines 270 274) no Hoare annotation was computed. [2020-10-19 18:37:20,463 INFO L270 CegarLoopResult]: At program point L204(lines 200 598) the Hoare annotation is: (let ((.cse0 (not (= 24576 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (<= 8576 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657))) (.cse3 (not (= 12292 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 16384))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656)))) (or (and .cse0 (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0)) .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))))) [2020-10-19 18:37:20,463 INFO L270 CegarLoopResult]: At program point L105(lines 104 630) the Hoare annotation is: false [2020-10-19 18:37:20,463 INFO L274 CegarLoopResult]: For program point L304(lines 304 308) no Hoare annotation was computed. [2020-10-19 18:37:20,463 INFO L274 CegarLoopResult]: For program point L304-2(lines 211 592) no Hoare annotation was computed. [2020-10-19 18:37:20,463 INFO L274 CegarLoopResult]: For program point L635(lines 635 639) no Hoare annotation was computed. [2020-10-19 18:37:20,463 INFO L274 CegarLoopResult]: For program point L206(lines 206 596) no Hoare annotation was computed. [2020-10-19 18:37:20,463 INFO L274 CegarLoopResult]: For program point L173(lines 173 607) no Hoare annotation was computed. [2020-10-19 18:37:20,463 INFO L274 CegarLoopResult]: For program point L140(lines 140 618) no Hoare annotation was computed. [2020-10-19 18:37:20,463 INFO L274 CegarLoopResult]: For program point L107(lines 107 629) no Hoare annotation was computed. [2020-10-19 18:37:20,464 INFO L274 CegarLoopResult]: For program point L339(lines 339 343) no Hoare annotation was computed. [2020-10-19 18:37:20,464 INFO L274 CegarLoopResult]: For program point L339-2(lines 211 592) no Hoare annotation was computed. [2020-10-19 18:37:20,464 INFO L270 CegarLoopResult]: At program point L207(lines 206 596) the Hoare annotation is: (not (= 12292 ULTIMATE.start_ssl3_accept_~s__state~0)) [2020-10-19 18:37:20,464 INFO L270 CegarLoopResult]: At program point L174(lines 170 608) the Hoare annotation is: (and (<= 8576 ULTIMATE.start_ssl3_accept_~s__state~0) (<= ULTIMATE.start_ssl3_accept_~s__state~0 8640)) [2020-10-19 18:37:20,464 INFO L270 CegarLoopResult]: At program point L141(lines 137 619) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8512))) (.cse2 (not (= 8192 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8195))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse5 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse6 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse7 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse8 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse9 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8528))) (.cse11 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8529))) (.cse12 (not (= 8513 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse13 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0)) .cse8 .cse9 .cse10 .cse11 .cse12 .cse13) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))))) [2020-10-19 18:37:20,464 INFO L274 CegarLoopResult]: For program point L75(lines 75 83) no Hoare annotation was computed. [2020-10-19 18:37:20,464 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 262) no Hoare annotation was computed. [2020-10-19 18:37:20,465 INFO L274 CegarLoopResult]: For program point L439(lines 439 451) no Hoare annotation was computed. [2020-10-19 18:37:20,465 INFO L270 CegarLoopResult]: At program point L406(lines 397 417) the Hoare annotation is: (and (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8512)) (not (= 8192 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8195)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480)) (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561)) (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0)) (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576) (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8528)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8529)) (not (= 8513 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) [2020-10-19 18:37:20,465 INFO L274 CegarLoopResult]: For program point L439-2(lines 439 451) no Hoare annotation was computed. [2020-10-19 18:37:20,465 INFO L274 CegarLoopResult]: For program point L176(lines 176 606) no Hoare annotation was computed. [2020-10-19 18:37:20,465 INFO L274 CegarLoopResult]: For program point L143(lines 143 617) no Hoare annotation was computed. [2020-10-19 18:37:20,465 INFO L274 CegarLoopResult]: For program point L110(lines 110 628) no Hoare annotation was computed. [2020-10-19 18:37:20,465 INFO L270 CegarLoopResult]: At program point L210(lines 209 595) the Hoare annotation is: (not (= 12292 ULTIMATE.start_ssl3_accept_~s__state~0)) [2020-10-19 18:37:20,465 INFO L274 CegarLoopResult]: For program point L78(lines 78 82) no Hoare annotation was computed. [2020-10-19 18:37:20,466 INFO L274 CegarLoopResult]: For program point L78-2(lines 75 83) no Hoare annotation was computed. [2020-10-19 18:37:20,466 INFO L274 CegarLoopResult]: For program point L541(lines 541 546) no Hoare annotation was computed. [2020-10-19 18:37:20,466 INFO L274 CegarLoopResult]: For program point L442(lines 442 447) no Hoare annotation was computed. [2020-10-19 18:37:20,466 INFO L274 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-10-19 18:37:20,466 INFO L274 CegarLoopResult]: For program point L244(lines 244 249) no Hoare annotation was computed. [2020-10-19 18:37:20,466 INFO L274 CegarLoopResult]: For program point L179(lines 179 605) no Hoare annotation was computed. [2020-10-19 18:37:20,466 INFO L274 CegarLoopResult]: For program point L146(lines 146 616) no Hoare annotation was computed. [2020-10-19 18:37:20,466 INFO L274 CegarLoopResult]: For program point L113(lines 113 627) no Hoare annotation was computed. [2020-10-19 18:37:20,466 INFO L274 CegarLoopResult]: For program point L576(lines 576 586) no Hoare annotation was computed. [2020-10-19 18:37:20,466 INFO L274 CegarLoopResult]: For program point L576-1(lines 576 586) no Hoare annotation was computed. [2020-10-19 18:37:20,467 INFO L274 CegarLoopResult]: For program point L510(lines 510 514) no Hoare annotation was computed. [2020-10-19 18:37:20,467 INFO L274 CegarLoopResult]: For program point L510-2(lines 510 514) no Hoare annotation was computed. [2020-10-19 18:37:20,467 INFO L270 CegarLoopResult]: At program point L180(lines 176 606) the Hoare annotation is: (let ((.cse0 (<= 8576 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse1 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8640))) (or (and (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0)) .cse0 .cse1) (and .cse0 .cse1 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))))) [2020-10-19 18:37:20,467 INFO L270 CegarLoopResult]: At program point L147(lines 143 617) the Hoare annotation is: (and (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545)) (not (= 8192 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8195)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480)) (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561)) (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576) (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544)) (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8528)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8529)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) [2020-10-19 18:37:20,467 INFO L274 CegarLoopResult]: For program point L478(lines 478 482) no Hoare annotation was computed. [2020-10-19 18:37:20,467 INFO L270 CegarLoopResult]: At program point L214(lines 107 629) the Hoare annotation is: false [2020-10-19 18:37:20,467 INFO L277 CegarLoopResult]: At program point L677(lines 67 679) the Hoare annotation is: true [2020-10-19 18:37:20,468 INFO L274 CegarLoopResult]: For program point L644(lines 644 650) no Hoare annotation was computed. [2020-10-19 18:37:20,468 INFO L274 CegarLoopResult]: For program point L347(lines 347 379) no Hoare annotation was computed. [2020-10-19 18:37:20,468 INFO L274 CegarLoopResult]: For program point L314(lines 314 318) no Hoare annotation was computed. [2020-10-19 18:37:20,468 INFO L274 CegarLoopResult]: For program point L314-2(lines 314 318) no Hoare annotation was computed. [2020-10-19 18:37:20,468 INFO L274 CegarLoopResult]: For program point L182(lines 182 604) no Hoare annotation was computed. [2020-10-19 18:37:20,468 INFO L274 CegarLoopResult]: For program point L149(lines 149 615) no Hoare annotation was computed. [2020-10-19 18:37:20,468 INFO L274 CegarLoopResult]: For program point L116(lines 116 626) no Hoare annotation was computed. [2020-10-19 18:37:20,468 INFO L277 CegarLoopResult]: At program point L678(lines 12 680) the Hoare annotation is: true [2020-10-19 18:37:20,468 INFO L274 CegarLoopResult]: For program point L579(lines 579 583) no Hoare annotation was computed. [2020-10-19 18:37:20,468 INFO L274 CegarLoopResult]: For program point L85(lines 85 93) no Hoare annotation was computed. [2020-10-19 18:37:20,469 INFO L274 CegarLoopResult]: For program point L85-1(lines 67 679) no Hoare annotation was computed. [2020-10-19 18:37:20,469 INFO L274 CegarLoopResult]: For program point L350(lines 350 378) no Hoare annotation was computed. [2020-10-19 18:37:20,469 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-19 18:37:20,469 INFO L274 CegarLoopResult]: For program point L350-1(lines 350 378) no Hoare annotation was computed. [2020-10-19 18:37:20,469 INFO L274 CegarLoopResult]: For program point L251(lines 251 264) no Hoare annotation was computed. [2020-10-19 18:37:20,469 INFO L274 CegarLoopResult]: For program point L185(lines 185 603) no Hoare annotation was computed. [2020-10-19 18:37:20,469 INFO L274 CegarLoopResult]: For program point L152(lines 152 614) no Hoare annotation was computed. [2020-10-19 18:37:20,469 INFO L274 CegarLoopResult]: For program point L119(lines 119 625) no Hoare annotation was computed. [2020-10-19 18:37:20,469 INFO L274 CegarLoopResult]: For program point L86(lines 86 90) no Hoare annotation was computed. [2020-10-19 18:37:20,469 INFO L274 CegarLoopResult]: For program point L351(lines 351 375) no Hoare annotation was computed. [2020-10-19 18:37:20,470 INFO L274 CegarLoopResult]: For program point L219(lines 219 223) no Hoare annotation was computed. [2020-10-19 18:37:20,470 INFO L270 CegarLoopResult]: At program point L186(lines 182 604) the Hoare annotation is: (let ((.cse0 (<= 8576 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse1 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8640))) (or (and (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0)) .cse0 .cse1) (and .cse0 .cse1 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))))) [2020-10-19 18:37:20,470 INFO L270 CegarLoopResult]: At program point L153(lines 149 615) the Hoare annotation is: (and (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8512)) (not (= 8192 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8195)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480)) (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561)) (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0)) (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576) (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544)) (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= 8513 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) [2020-10-19 18:37:20,470 INFO L274 CegarLoopResult]: For program point L219-2(lines 211 592) no Hoare annotation was computed. [2020-10-19 18:37:20,470 INFO L274 CegarLoopResult]: For program point L253(lines 253 258) no Hoare annotation was computed. [2020-10-19 18:37:20,470 INFO L274 CegarLoopResult]: For program point L551(lines 551 559) no Hoare annotation was computed. [2020-10-19 18:37:20,470 INFO L274 CegarLoopResult]: For program point L287(lines 287 291) no Hoare annotation was computed. [2020-10-19 18:37:20,470 INFO L274 CegarLoopResult]: For program point L287-2(lines 211 592) no Hoare annotation was computed. [2020-10-19 18:37:20,471 INFO L274 CegarLoopResult]: For program point L188(lines 188 602) no Hoare annotation was computed. [2020-10-19 18:37:20,471 INFO L274 CegarLoopResult]: For program point L155(lines 155 613) no Hoare annotation was computed. [2020-10-19 18:37:20,471 INFO L274 CegarLoopResult]: For program point L122(lines 122 624) no Hoare annotation was computed. [2020-10-19 18:37:20,471 INFO L274 CegarLoopResult]: For program point L387(lines 387 418) no Hoare annotation was computed. [2020-10-19 18:37:20,471 INFO L274 CegarLoopResult]: For program point L354(lines 354 374) no Hoare annotation was computed. [2020-10-19 18:37:20,471 INFO L270 CegarLoopResult]: At program point L123(lines 119 625) the Hoare annotation is: false [2020-10-19 18:37:20,471 INFO L274 CegarLoopResult]: For program point L388(lines 388 394) no Hoare annotation was computed. [2020-10-19 18:37:20,471 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-19 18:37:20,471 INFO L274 CegarLoopResult]: For program point L554(lines 554 558) no Hoare annotation was computed. [2020-10-19 18:37:20,471 INFO L274 CegarLoopResult]: For program point L521(lines 521 526) no Hoare annotation was computed. [2020-10-19 18:37:20,472 INFO L274 CegarLoopResult]: For program point L356(lines 356 360) no Hoare annotation was computed. [2020-10-19 18:37:20,472 INFO L274 CegarLoopResult]: For program point L323-1(lines 323 332) no Hoare annotation was computed. [2020-10-19 18:37:20,472 INFO L274 CegarLoopResult]: For program point L356-2(lines 354 372) no Hoare annotation was computed. [2020-10-19 18:37:20,472 INFO L274 CegarLoopResult]: For program point L191(lines 191 601) no Hoare annotation was computed. [2020-10-19 18:37:20,472 INFO L274 CegarLoopResult]: For program point L158(lines 158 612) no Hoare annotation was computed. [2020-10-19 18:37:20,472 INFO L274 CegarLoopResult]: For program point L125(lines 125 623) no Hoare annotation was computed. [2020-10-19 18:37:20,472 INFO L270 CegarLoopResult]: At program point L555(lines 67 679) the Hoare annotation is: (not (= 12292 ULTIMATE.start_ssl3_accept_~s__state~0)) [2020-10-19 18:37:20,472 INFO L274 CegarLoopResult]: For program point L489(lines 489 493) no Hoare annotation was computed. [2020-10-19 18:37:20,473 INFO L270 CegarLoopResult]: At program point L192(lines 188 602) the Hoare annotation is: (let ((.cse0 (not (= 24576 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8673))) (.cse2 (<= 8576 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657))) (.cse4 (not (= 12292 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 16384))) (.cse6 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672))) (.cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656)))) (or (and .cse0 (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0)) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))))) [2020-10-19 18:37:20,473 INFO L270 CegarLoopResult]: At program point L159(lines 155 613) the Hoare annotation is: (and (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8512)) (not (= 8192 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8195)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480)) (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561)) (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0)) (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576) (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8528)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8529)) (not (= 8513 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) [2020-10-19 18:37:20,473 INFO L270 CegarLoopResult]: At program point L126(lines 125 623) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8512))) (.cse2 (not (= 8192 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8195))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse5 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse6 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse8 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse9 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse11 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse12 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8528))) (.cse13 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8529))) (.cse14 (not (= 8513 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse15 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0)) .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15))) [2020-10-19 18:37:20,473 INFO L274 CegarLoopResult]: For program point L457(lines 457 461) no Hoare annotation was computed. [2020-10-19 18:37:20,473 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 260) no Hoare annotation was computed. [2020-10-19 18:37:20,473 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-19 18:37:20,473 INFO L274 CegarLoopResult]: For program point L260(line 260) no Hoare annotation was computed. [2020-10-19 18:37:20,474 INFO L274 CegarLoopResult]: For program point L260-1(line 260) no Hoare annotation was computed. [2020-10-19 18:37:20,474 INFO L274 CegarLoopResult]: For program point L194(lines 194 600) no Hoare annotation was computed. [2020-10-19 18:37:20,474 INFO L274 CegarLoopResult]: For program point L161(lines 161 611) no Hoare annotation was computed. [2020-10-19 18:37:20,474 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 260) no Hoare annotation was computed. [2020-10-19 18:37:20,474 INFO L274 CegarLoopResult]: For program point L128(lines 128 622) no Hoare annotation was computed. [2020-10-19 18:37:20,474 INFO L277 CegarLoopResult]: At program point L690(lines 681 692) the Hoare annotation is: true [2020-10-19 18:37:20,474 INFO L274 CegarLoopResult]: For program point L327(lines 327 331) no Hoare annotation was computed. [2020-10-19 18:37:20,474 INFO L274 CegarLoopResult]: For program point L262(line 262) no Hoare annotation was computed. [2020-10-19 18:37:20,474 INFO L274 CegarLoopResult]: For program point L262-1(line 262) no Hoare annotation was computed. [2020-10-19 18:37:20,475 INFO L270 CegarLoopResult]: At program point L593(lines 101 661) the Hoare annotation is: (let ((.cse17 (<= 8576 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0)) (.cse6 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (.cse13 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8640)) (.cse0 (not (= 24576 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8673))) (.cse2 (<= 8576 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657))) (.cse4 (not (= 12292 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 16384))) (.cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse18 (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse8 (not (= 8192 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse9 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8195))) (.cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse11 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse12 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse14 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8529))) (.cse15 (not (= 8513 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse16 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576) .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17) (and .cse7 .cse8 .cse9 .cse10 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8640) .cse11 .cse12 .cse17 .cse13 .cse14 .cse15 .cse16 .cse6) (and (= 3 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0) .cse7 .cse18 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16) (and .cse0 .cse18 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse7 .cse18 .cse8 .cse9 .cse10 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) .cse11 .cse12 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576) .cse14 .cse15 .cse16))) [2020-10-19 18:37:20,475 INFO L274 CegarLoopResult]: For program point L560(lines 560 564) no Hoare annotation was computed. [2020-10-19 18:37:20,475 INFO L274 CegarLoopResult]: For program point L428(lines 428 432) no Hoare annotation was computed. [2020-10-19 18:37:20,475 INFO L270 CegarLoopResult]: At program point L362(lines 344 380) the Hoare annotation is: (and (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8512)) (not (= 8192 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8195)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480)) (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561)) (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0)) (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576) (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544)) (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= 8513 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) [2020-10-19 18:37:20,475 INFO L274 CegarLoopResult]: For program point L197(lines 197 599) no Hoare annotation was computed. [2020-10-19 18:37:20,475 INFO L274 CegarLoopResult]: For program point L164(lines 164 610) no Hoare annotation was computed. [2020-10-19 18:37:20,476 INFO L274 CegarLoopResult]: For program point L131(lines 131 621) no Hoare annotation was computed. [2020-10-19 18:37:20,476 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-19 18:37:20,476 INFO L274 CegarLoopResult]: For program point L528(lines 528 532) no Hoare annotation was computed. [2020-10-19 18:37:20,476 INFO L274 CegarLoopResult]: For program point L462(lines 462 473) no Hoare annotation was computed. [2020-10-19 18:37:20,476 INFO L274 CegarLoopResult]: For program point L528-2(lines 211 592) no Hoare annotation was computed. [2020-10-19 18:37:20,476 INFO L270 CegarLoopResult]: At program point L396(lines 387 418) the Hoare annotation is: (and (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8512)) (not (= 8192 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8195)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480)) (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561)) (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0)) (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576) (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8528)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8529)) (not (= 8513 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) [2020-10-19 18:37:20,476 INFO L274 CegarLoopResult]: For program point L231(lines 231 242) no Hoare annotation was computed. [2020-10-19 18:37:20,476 INFO L270 CegarLoopResult]: At program point L198(lines 194 600) the Hoare annotation is: (let ((.cse0 (not (= 24576 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8673))) (.cse2 (<= 8576 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse3 (not (= 12292 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 16384))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)))) (or (and .cse0 (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0)) .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))))) [2020-10-19 18:37:20,477 INFO L270 CegarLoopResult]: At program point L165(lines 161 611) the Hoare annotation is: (and (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8512)) (not (= 8192 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8195)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480)) (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0)) (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576) (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544)) (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8528)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8529)) (not (= 8513 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) [2020-10-19 18:37:20,477 INFO L274 CegarLoopResult]: For program point L231-2(lines 231 242) no Hoare annotation was computed. [2020-10-19 18:37:20,477 INFO L274 CegarLoopResult]: For program point L364(lines 364 368) no Hoare annotation was computed. [2020-10-19 18:37:20,477 INFO L277 CegarLoopResult]: At program point L662(lines 100 663) the Hoare annotation is: true [2020-10-19 18:37:20,477 INFO L274 CegarLoopResult]: For program point L398(lines 398 404) no Hoare annotation was computed. [2020-10-19 18:37:20,477 INFO L274 CegarLoopResult]: For program point L233(lines 233 238) no Hoare annotation was computed. [2020-10-19 18:37:20,477 INFO L274 CegarLoopResult]: For program point L200(lines 200 598) no Hoare annotation was computed. [2020-10-19 18:37:20,477 INFO L274 CegarLoopResult]: For program point L167(lines 167 609) no Hoare annotation was computed. [2020-10-19 18:37:20,478 INFO L274 CegarLoopResult]: For program point L134(lines 134 620) no Hoare annotation was computed. [2020-10-19 18:37:20,478 INFO L270 CegarLoopResult]: At program point L101-2(lines 101 661) the Hoare annotation is: (let ((.cse17 (<= 8576 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0)) (.cse6 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (.cse13 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8640)) (.cse0 (not (= 24576 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8673))) (.cse2 (<= 8576 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657))) (.cse4 (not (= 12292 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 16384))) (.cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse18 (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse8 (not (= 8192 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse9 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8195))) (.cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse11 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse12 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse14 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8529))) (.cse15 (not (= 8513 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse16 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576) .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17) (and .cse7 .cse8 .cse9 .cse10 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8640) .cse11 .cse12 .cse17 .cse13 .cse14 .cse15 .cse16 .cse6) (and (= 3 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0) .cse7 .cse18 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16) (and .cse0 .cse18 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse7 .cse18 .cse8 .cse9 .cse10 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) .cse11 .cse12 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576) .cse14 .cse15 .cse16))) [2020-10-19 18:37:20,520 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.10 06:37:20 BoogieIcfgContainer [2020-10-19 18:37:20,520 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-19 18:37:20,520 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-19 18:37:20,520 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-19 18:37:20,521 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-19 18:37:20,521 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 06:36:58" (3/4) ... [2020-10-19 18:37:20,525 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-19 18:37:20,545 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-10-19 18:37:20,546 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-10-19 18:37:20,546 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-19 18:37:20,547 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-19 18:37:20,651 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-19 18:37:20,651 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-19 18:37:20,653 INFO L168 Benchmark]: Toolchain (without parser) took 23294.98 ms. Allocated memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: 651.7 MB). Free memory was 955.9 MB in the beginning and 1.2 GB in the end (delta: -224.7 MB). Peak memory consumption was 427.0 MB. Max. memory is 11.5 GB. [2020-10-19 18:37:20,653 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 18:37:20,654 INFO L168 Benchmark]: CACSL2BoogieTranslator took 509.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -173.8 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. [2020-10-19 18:37:20,654 INFO L168 Benchmark]: Boogie Procedure Inliner took 64.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2020-10-19 18:37:20,654 INFO L168 Benchmark]: Boogie Preprocessor took 44.07 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 18:37:20,655 INFO L168 Benchmark]: RCFGBuilder took 920.21 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 57.4 MB). Peak memory consumption was 57.4 MB. Max. memory is 11.5 GB. [2020-10-19 18:37:20,655 INFO L168 Benchmark]: TraceAbstraction took 21611.44 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 514.9 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -136.9 MB). Peak memory consumption was 677.3 MB. Max. memory is 11.5 GB. [2020-10-19 18:37:20,655 INFO L168 Benchmark]: Witness Printer took 131.18 ms. Allocated memory is still 1.7 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 16.7 MB). Peak memory consumption was 16.7 MB. Max. memory is 11.5 GB. [2020-10-19 18:37:20,658 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 509.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -173.8 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 64.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 44.07 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 920.21 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 57.4 MB). Peak memory consumption was 57.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 21611.44 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 514.9 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -136.9 MB). Peak memory consumption was 677.3 MB. Max. memory is 11.5 GB. * Witness Printer took 131.18 ms. Allocated memory is still 1.7 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 16.7 MB). Peak memory consumption was 16.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 262]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 260]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 262]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 260]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 182]: Loop Invariant Derived loop invariant: ((!(8576 == s__state) && 8576 <= s__state) && s__state <= 8640) || ((8576 <= s__state && s__state <= 8640) && !(s__hit == 0)) - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: ((((((((((((((((!(s__state == 8545) && !(s__state == 8512)) && !(8192 == s__state)) && !(s__state == 8195)) && !(s__state == 8480)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8528)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481)) && !(s__hit == 0)) || ((((((((((((((((!(s__state == 8545) && !(s__state == 8512)) && !(8192 == s__state)) && !(s__state == 8195)) && !(s__state == 8480)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && !(8576 == s__state)) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8528)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481)) - InvariantResult [Line: 387]: Loop Invariant Derived loop invariant: (((((((((((((!(s__state == 8512) && !(8192 == s__state)) && !(s__state == 8195)) && !(s__state == 8480)) && !(8497 == s__state)) && !(s__state == 8561)) && !(8560 == s__state)) && s__state <= 8576) && !(8576 == s__state)) && !(8496 == s__state)) && !(8448 == s__state)) && !(s__state == 8528)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481) - InvariantResult [Line: 209]: Loop Invariant Derived loop invariant: !(12292 == s__state) - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: (((((((((((((((((!(s__state == 8545) && !(s__state == 8512)) && !(8192 == s__state)) && !(s__state == 8195)) && !(s__state == 8480)) && !(8560 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 3 == s__s3__tmp__next_state___0) && !(8576 == s__state)) && !(8496 == s__state)) && !(s__state == 8544)) && !(s__state == 8528)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481)) || (((((((((((((((((!(s__state == 8545) && !(s__state == 8512)) && !(8192 == s__state)) && !(s__state == 8195)) && !(s__state == 8480)) && s__s3__tmp__next_state___0 <= 8640) && !(8560 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8576 <= s__s3__tmp__next_state___0) && !(8496 == s__state)) && !(s__state == 8544)) && !(s__state == 8528)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481)) && !(s__hit == 0))) || (((((((((((((((((s__s3__tmp__next_state___0 <= 8576 && !(s__state == 8545)) && !(s__state == 8512)) && !(8192 == s__state)) && !(s__state == 8195)) && !(s__state == 8480)) && !(8560 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8576 <= s__s3__tmp__next_state___0) && !(8576 == s__state)) && !(8496 == s__state)) && !(s__state == 8544)) && !(s__state == 8528)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481)) - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: !(12292 == s__state) - InvariantResult [Line: 125]: Loop Invariant Derived loop invariant: ((((((((((((((((!(s__state == 8545) && !(s__state == 8512)) && !(8192 == s__state)) && !(s__state == 8195)) && !(s__state == 8480)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8528)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481)) && !(s__hit == 0)) || ((((((((((((((((!(s__state == 8545) && !(s__state == 8512)) && !(8192 == s__state)) && !(s__state == 8195)) && !(s__state == 8480)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && !(8576 == s__state)) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8528)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481)) - InvariantResult [Line: 200]: Loop Invariant Derived loop invariant: ((((((!(24576 == s__state) && !(8576 == s__state)) && 8576 <= s__state) && !(s__state == 8657)) && !(12292 == s__state)) && !(s__state == 16384)) && !(s__state == 8656)) || ((((((!(24576 == s__state) && 8576 <= s__state) && !(s__state == 8657)) && !(12292 == s__state)) && !(s__state == 16384)) && !(s__state == 8656)) && !(s__hit == 0)) - InvariantResult [Line: 12]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 149]: Loop Invariant Derived loop invariant: (((((((((((((!(s__state == 8545) && !(s__state == 8512)) && !(8192 == s__state)) && !(s__state == 8195)) && !(s__state == 8480)) && !(8560 == s__state)) && !(s__state == 8561)) && !(8497 == s__state)) && s__state <= 8576) && !(8576 == s__state)) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && !(8513 == s__state)) && !(s__state == 8481) - InvariantResult [Line: 206]: Loop Invariant Derived loop invariant: !(12292 == s__state) - InvariantResult [Line: 161]: Loop Invariant Derived loop invariant: (((((((((((((!(s__state == 8545) && !(s__state == 8512)) && !(8192 == s__state)) && !(s__state == 8195)) && !(s__state == 8480)) && !(8497 == s__state)) && s__state <= 8576) && !(8576 == s__state)) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8528)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481) - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 194]: Loop Invariant Derived loop invariant: ((((((!(24576 == s__state) && !(8576 == s__state)) && !(s__state == 8673)) && 8576 <= s__state) && !(12292 == s__state)) && !(s__state == 16384)) && !(s__state == 8672)) || ((((((!(24576 == s__state) && !(s__state == 8673)) && 8576 <= s__state) && !(12292 == s__state)) && !(s__state == 16384)) && !(s__state == 8672)) && !(s__hit == 0)) - InvariantResult [Line: 100]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 397]: Loop Invariant Derived loop invariant: (((((((((((((!(s__state == 8512) && !(8192 == s__state)) && !(s__state == 8195)) && !(s__state == 8480)) && !(8497 == s__state)) && !(s__state == 8561)) && !(8560 == s__state)) && s__state <= 8576) && !(8576 == s__state)) && !(8496 == s__state)) && !(8448 == s__state)) && !(s__state == 8528)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481) - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: (((((((((((((!(s__state == 8545) && !(8192 == s__state)) && !(s__state == 8195)) && !(s__state == 8480)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && !(8576 == s__state)) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8528)) && !(s__state == 8529)) && !(s__state == 8481) - InvariantResult [Line: 104]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 344]: Loop Invariant Derived loop invariant: (((((((((((((!(s__state == 8545) && !(s__state == 8512)) && !(8192 == s__state)) && !(s__state == 8195)) && !(s__state == 8480)) && !(8560 == s__state)) && !(s__state == 8561)) && !(8497 == s__state)) && s__state <= 8576) && !(8576 == s__state)) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && !(8513 == s__state)) && !(s__state == 8481) - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: ((!(8576 == s__state) && 8576 <= s__state) && s__state <= 8640) || ((8576 <= s__state && s__state <= 8640) && !(s__hit == 0)) - InvariantResult [Line: 155]: Loop Invariant Derived loop invariant: (((((((((((((!(s__state == 8512) && !(8192 == s__state)) && !(s__state == 8195)) && !(s__state == 8480)) && !(8497 == s__state)) && !(s__state == 8561)) && !(8560 == s__state)) && s__state <= 8576) && !(8576 == s__state)) && !(8496 == s__state)) && !(8448 == s__state)) && !(s__state == 8528)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481) - InvariantResult [Line: 188]: Loop Invariant Derived loop invariant: ((((((((!(24576 == s__state) && !(8576 == s__state)) && !(s__state == 8673)) && 8576 <= s__state) && !(s__state == 8657)) && !(12292 == s__state)) && !(s__state == 16384)) && !(s__state == 8672)) && !(s__state == 8656)) || ((((((((!(24576 == s__state) && !(s__state == 8673)) && 8576 <= s__state) && !(s__state == 8657)) && !(12292 == s__state)) && !(s__state == 16384)) && !(s__state == 8672)) && !(s__state == 8656)) && !(s__hit == 0)) - InvariantResult [Line: 107]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 681]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: ((((((((((!(24576 == s__state) && !(s__state == 8673)) && 8576 <= s__state) && !(s__state == 8657)) && !(12292 == s__state)) && !(s__state == 16384)) && !(s__hit == 0)) || (((((((((((s__s3__tmp__next_state___0 <= 8576 && !(s__state == 8545)) && !(8192 == s__state)) && !(s__state == 8195)) && !(s__state == 8480)) && !(8497 == s__state)) && !(s__state == 8561)) && s__state <= 8640) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481)) && 8576 <= s__s3__tmp__next_state___0)) || ((((((((((((!(s__state == 8545) && !(8192 == s__state)) && !(s__state == 8195)) && !(s__state == 8480)) && s__s3__tmp__next_state___0 <= 8640) && !(8497 == s__state)) && !(s__state == 8561)) && 8576 <= s__s3__tmp__next_state___0) && s__state <= 8640) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481)) && !(s__hit == 0))) || (((((((((((3 == s__s3__tmp__next_state___0 && !(s__state == 8545)) && !(8576 == s__state)) && !(8192 == s__state)) && !(s__state == 8195)) && !(s__state == 8480)) && !(8497 == s__state)) && !(s__state == 8561)) && s__state <= 8640) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481))) || ((((((!(24576 == s__state) && !(8576 == s__state)) && !(s__state == 8673)) && 8576 <= s__state) && !(s__state == 8657)) && !(12292 == s__state)) && !(s__state == 16384))) || (((((((((((!(s__state == 8545) && !(8576 == s__state)) && !(8192 == s__state)) && !(s__state == 8195)) && !(s__state == 8480)) && !(8448 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481)) - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: ((((((((((((((!(s__state == 8545) && !(s__state == 8512)) && !(8192 == s__state)) && !(s__state == 8195)) && !(s__state == 8480)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && !(8576 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8528)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481)) || ((((((((((((((!(s__state == 8545) && !(s__state == 8512)) && !(8192 == s__state)) && !(s__state == 8195)) && !(s__state == 8480)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8528)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481)) && !(s__hit == 0)) - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: ((((((((((!(24576 == s__state) && !(s__state == 8673)) && 8576 <= s__state) && !(s__state == 8657)) && !(12292 == s__state)) && !(s__state == 16384)) && !(s__hit == 0)) || (((((((((((s__s3__tmp__next_state___0 <= 8576 && !(s__state == 8545)) && !(8192 == s__state)) && !(s__state == 8195)) && !(s__state == 8480)) && !(8497 == s__state)) && !(s__state == 8561)) && s__state <= 8640) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481)) && 8576 <= s__s3__tmp__next_state___0)) || ((((((((((((!(s__state == 8545) && !(8192 == s__state)) && !(s__state == 8195)) && !(s__state == 8480)) && s__s3__tmp__next_state___0 <= 8640) && !(8497 == s__state)) && !(s__state == 8561)) && 8576 <= s__s3__tmp__next_state___0) && s__state <= 8640) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481)) && !(s__hit == 0))) || (((((((((((3 == s__s3__tmp__next_state___0 && !(s__state == 8545)) && !(8576 == s__state)) && !(8192 == s__state)) && !(s__state == 8195)) && !(s__state == 8480)) && !(8497 == s__state)) && !(s__state == 8561)) && s__state <= 8640) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481))) || ((((((!(24576 == s__state) && !(8576 == s__state)) && !(s__state == 8673)) && 8576 <= s__state) && !(s__state == 8657)) && !(12292 == s__state)) && !(s__state == 16384))) || (((((((((((!(s__state == 8545) && !(8576 == s__state)) && !(8192 == s__state)) && !(s__state == 8195)) && !(s__state == 8480)) && !(8448 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481)) - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 170]: Loop Invariant Derived loop invariant: 8576 <= s__state && s__state <= 8640 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 148 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 11.9s, OverallIterations: 32, TraceHistogramMax: 14, AutomataDifference: 6.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 9.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 5404 SDtfs, 4771 SDslu, 2176 SDs, 0 SdLazy, 3168 SolverSat, 1071 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 991 GetRequests, 949 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=959occurred in iteration=31, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 32 MinimizatonAttempts, 1656 StatesRemovedByMinimization, 27 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 29 LocationsWithAnnotation, 29 PreInvPairs, 198 NumberOfFragments, 1778 HoareAnnotationTreeSize, 29 FomulaSimplifications, 244621 FormulaSimplificationTreeSizeReduction, 1.7s HoareSimplificationTime, 29 FomulaSimplificationsInter, 90655 FormulaSimplificationTreeSizeReductionInter, 7.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 5145 NumberOfCodeBlocks, 5145 NumberOfCodeBlocksAsserted, 36 NumberOfCheckSat, 5109 ConstructedInterpolants, 0 QuantifiedInterpolants, 1700493 SizeOfPredicates, 8 NumberOfNonLiveVariables, 1674 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 36 InterpolantComputations, 28 PerfectInterpolantSequences, 11171/11219 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 proved your program to be correct! Received shutdown request...