./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/bitvector/s3_srvr_3a_alt.BV.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version e8d55036 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/bitvector/s3_srvr_3a_alt.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 c802d0dd4f8edaf03f1251784a424c8f295192f6a4e7c65ec93469eacce08251 --- Real Ultimate output --- This is Ultimate 0.2.2-?-e8d5503-m [2023-02-15 22:45:11,820 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-15 22:45:11,821 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-15 22:45:11,855 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-15 22:45:11,856 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-15 22:45:11,857 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-15 22:45:11,858 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-15 22:45:11,859 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-15 22:45:11,860 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-15 22:45:11,860 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-15 22:45:11,861 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-15 22:45:11,862 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-15 22:45:11,862 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-15 22:45:11,863 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-15 22:45:11,863 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-15 22:45:11,864 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-15 22:45:11,865 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-15 22:45:11,865 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-15 22:45:11,866 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-15 22:45:11,867 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-15 22:45:11,868 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-15 22:45:11,869 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-15 22:45:11,870 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-15 22:45:11,871 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-15 22:45:11,873 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-15 22:45:11,873 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-15 22:45:11,874 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-15 22:45:11,874 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-15 22:45:11,874 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-15 22:45:11,875 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-15 22:45:11,875 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-15 22:45:11,876 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-15 22:45:11,876 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-15 22:45:11,877 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-15 22:45:11,878 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-15 22:45:11,878 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-15 22:45:11,878 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-15 22:45:11,879 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-15 22:45:11,879 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-15 22:45:11,879 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-15 22:45:11,880 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-15 22:45:11,881 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-02-15 22:45:11,895 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-15 22:45:11,895 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-15 22:45:11,895 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-15 22:45:11,896 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-15 22:45:11,896 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-15 22:45:11,896 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-15 22:45:11,897 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-15 22:45:11,897 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-15 22:45:11,897 INFO L138 SettingsManager]: * Use SBE=true [2023-02-15 22:45:11,897 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-15 22:45:11,897 INFO L138 SettingsManager]: * sizeof long=4 [2023-02-15 22:45:11,897 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-02-15 22:45:11,898 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-15 22:45:11,898 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-02-15 22:45:11,898 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-15 22:45:11,898 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-02-15 22:45:11,898 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-15 22:45:11,898 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-02-15 22:45:11,899 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-02-15 22:45:11,899 INFO L138 SettingsManager]: * sizeof long double=12 [2023-02-15 22:45:11,899 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-15 22:45:11,899 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-15 22:45:11,899 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-02-15 22:45:11,899 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-15 22:45:11,900 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-15 22:45:11,900 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-15 22:45:11,900 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-15 22:45:11,900 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-15 22:45:11,900 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-15 22:45:11,900 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-02-15 22:45:11,901 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-15 22:45:11,901 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-02-15 22:45:11,901 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-15 22:45:11,901 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-02-15 22:45:11,901 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-15 22:45:11,901 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-15 22:45:11,902 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-15 22:45:11,902 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c802d0dd4f8edaf03f1251784a424c8f295192f6a4e7c65ec93469eacce08251 [2023-02-15 22:45:12,038 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-15 22:45:12,052 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-15 22:45:12,054 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-15 22:45:12,054 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-15 22:45:12,055 INFO L275 PluginConnector]: CDTParser initialized [2023-02-15 22:45:12,055 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector/s3_srvr_3a_alt.BV.c.cil.c [2023-02-15 22:45:13,034 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-15 22:45:13,233 INFO L351 CDTParser]: Found 1 translation units. [2023-02-15 22:45:13,234 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/s3_srvr_3a_alt.BV.c.cil.c [2023-02-15 22:45:13,241 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32c68a337/ba1203a73b5d46e988d8b224fc57bfe5/FLAG15d994082 [2023-02-15 22:45:13,629 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32c68a337/ba1203a73b5d46e988d8b224fc57bfe5 [2023-02-15 22:45:13,630 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-15 22:45:13,631 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-15 22:45:13,632 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-15 22:45:13,632 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-15 22:45:13,635 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-15 22:45:13,635 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 10:45:13" (1/1) ... [2023-02-15 22:45:13,636 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ddec677 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:45:13, skipping insertion in model container [2023-02-15 22:45:13,636 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 10:45:13" (1/1) ... [2023-02-15 22:45:13,641 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-15 22:45:13,671 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-15 22:45:13,817 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/s3_srvr_3a_alt.BV.c.cil.c[44628,44641] [2023-02-15 22:45:13,821 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-15 22:45:13,827 INFO L203 MainTranslator]: Completed pre-run [2023-02-15 22:45:13,855 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/s3_srvr_3a_alt.BV.c.cil.c[44628,44641] [2023-02-15 22:45:13,858 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-15 22:45:13,866 INFO L208 MainTranslator]: Completed translation [2023-02-15 22:45:13,867 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:45:13 WrapperNode [2023-02-15 22:45:13,867 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-15 22:45:13,868 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-15 22:45:13,868 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-15 22:45:13,868 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-15 22:45:13,873 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:45:13" (1/1) ... [2023-02-15 22:45:13,880 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:45:13" (1/1) ... [2023-02-15 22:45:13,900 INFO L138 Inliner]: procedures = 15, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 530 [2023-02-15 22:45:13,900 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-15 22:45:13,901 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-15 22:45:13,901 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-15 22:45:13,901 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-15 22:45:13,908 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:45:13" (1/1) ... [2023-02-15 22:45:13,908 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:45:13" (1/1) ... [2023-02-15 22:45:13,911 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:45:13" (1/1) ... [2023-02-15 22:45:13,911 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:45:13" (1/1) ... [2023-02-15 22:45:13,916 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:45:13" (1/1) ... [2023-02-15 22:45:13,920 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:45:13" (1/1) ... [2023-02-15 22:45:13,922 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:45:13" (1/1) ... [2023-02-15 22:45:13,923 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:45:13" (1/1) ... [2023-02-15 22:45:13,926 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-15 22:45:13,927 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-15 22:45:13,927 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-15 22:45:13,927 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-15 22:45:13,928 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:45:13" (1/1) ... [2023-02-15 22:45:13,932 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-15 22:45:13,941 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 22:45:13,993 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-02-15 22:45:14,009 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-02-15 22:45:14,041 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-02-15 22:45:14,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-02-15 22:45:14,042 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-15 22:45:14,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-15 22:45:14,139 INFO L235 CfgBuilder]: Building ICFG [2023-02-15 22:45:14,140 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-15 22:45:14,164 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-02-15 22:45:14,606 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2023-02-15 22:45:14,606 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2023-02-15 22:45:14,606 INFO L276 CfgBuilder]: Performing block encoding [2023-02-15 22:45:14,611 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-15 22:45:14,612 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2023-02-15 22:45:14,613 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 10:45:14 BoogieIcfgContainer [2023-02-15 22:45:14,613 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-15 22:45:14,615 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-02-15 22:45:14,615 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-02-15 22:45:14,617 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-02-15 22:45:14,617 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.02 10:45:13" (1/3) ... [2023-02-15 22:45:14,618 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a592f94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 10:45:14, skipping insertion in model container [2023-02-15 22:45:14,618 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:45:13" (2/3) ... [2023-02-15 22:45:14,618 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a592f94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 10:45:14, skipping insertion in model container [2023-02-15 22:45:14,618 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 10:45:14" (3/3) ... [2023-02-15 22:45:14,619 INFO L112 eAbstractionObserver]: Analyzing ICFG s3_srvr_3a_alt.BV.c.cil.c [2023-02-15 22:45:14,631 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-02-15 22:45:14,631 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2023-02-15 22:45:14,664 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-02-15 22:45:14,669 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3f601ab7, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-02-15 22:45:14,670 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2023-02-15 22:45:14,673 INFO L276 IsEmpty]: Start isEmpty. Operand has 153 states, 144 states have (on average 1.75) internal successors, (252), 152 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:45:14,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-02-15 22:45:14,678 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 22:45:14,678 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 22:45:14,679 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-02-15 22:45:14,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 22:45:14,682 INFO L85 PathProgramCache]: Analyzing trace with hash -157109622, now seen corresponding path program 1 times [2023-02-15 22:45:14,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 22:45:14,688 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1284770070] [2023-02-15 22:45:14,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 22:45:14,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 22:45:14,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 22:45:14,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 22:45:14,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 22:45:14,942 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1284770070] [2023-02-15 22:45:14,942 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1284770070] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 22:45:14,943 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 22:45:14,943 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-15 22:45:14,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812637758] [2023-02-15 22:45:14,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 22:45:14,951 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-15 22:45:14,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 22:45:14,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-15 22:45:14,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 22:45:14,976 INFO L87 Difference]: Start difference. First operand has 153 states, 144 states have (on average 1.75) internal successors, (252), 152 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:45:15,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 22:45:15,150 INFO L93 Difference]: Finished difference Result 327 states and 539 transitions. [2023-02-15 22:45:15,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-15 22:45:15,152 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2023-02-15 22:45:15,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 22:45:15,159 INFO L225 Difference]: With dead ends: 327 [2023-02-15 22:45:15,159 INFO L226 Difference]: Without dead ends: 159 [2023-02-15 22:45:15,162 INFO L412 NwaCegarLoop]: 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 [2023-02-15 22:45:15,164 INFO L413 NwaCegarLoop]: 250 mSDtfsCounter, 44 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 377 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-15 22:45:15,165 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 377 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-15 22:45:15,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2023-02-15 22:45:15,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 156. [2023-02-15 22:45:15,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 148 states have (on average 1.5472972972972974) internal successors, (229), 155 states have internal predecessors, (229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:45:15,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 229 transitions. [2023-02-15 22:45:15,221 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 229 transitions. Word has length 17 [2023-02-15 22:45:15,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 22:45:15,221 INFO L495 AbstractCegarLoop]: Abstraction has 156 states and 229 transitions. [2023-02-15 22:45:15,222 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:45:15,222 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 229 transitions. [2023-02-15 22:45:15,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-02-15 22:45:15,223 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 22:45:15,223 INFO L195 NwaCegarLoop]: 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] [2023-02-15 22:45:15,223 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-02-15 22:45:15,228 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-02-15 22:45:15,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 22:45:15,228 INFO L85 PathProgramCache]: Analyzing trace with hash 549963333, now seen corresponding path program 1 times [2023-02-15 22:45:15,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 22:45:15,229 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633788235] [2023-02-15 22:45:15,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 22:45:15,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 22:45:15,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 22:45:15,300 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 22:45:15,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 22:45:15,301 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633788235] [2023-02-15 22:45:15,301 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1633788235] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 22:45:15,301 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 22:45:15,301 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-15 22:45:15,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118329603] [2023-02-15 22:45:15,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 22:45:15,302 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-15 22:45:15,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 22:45:15,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-15 22:45:15,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 22:45:15,303 INFO L87 Difference]: Start difference. First operand 156 states and 229 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:45:15,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 22:45:15,321 INFO L93 Difference]: Finished difference Result 317 states and 460 transitions. [2023-02-15 22:45:15,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-15 22:45:15,322 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2023-02-15 22:45:15,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 22:45:15,323 INFO L225 Difference]: With dead ends: 317 [2023-02-15 22:45:15,323 INFO L226 Difference]: Without dead ends: 169 [2023-02-15 22:45:15,324 INFO L412 NwaCegarLoop]: 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 [2023-02-15 22:45:15,325 INFO L413 NwaCegarLoop]: 205 mSDtfsCounter, 6 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 387 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-15 22:45:15,325 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 387 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-15 22:45:15,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2023-02-15 22:45:15,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 169. [2023-02-15 22:45:15,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 161 states have (on average 1.5031055900621118) internal successors, (242), 168 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:45:15,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 242 transitions. [2023-02-15 22:45:15,336 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 242 transitions. Word has length 33 [2023-02-15 22:45:15,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 22:45:15,336 INFO L495 AbstractCegarLoop]: Abstraction has 169 states and 242 transitions. [2023-02-15 22:45:15,337 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:45:15,337 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 242 transitions. [2023-02-15 22:45:15,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-02-15 22:45:15,338 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 22:45:15,338 INFO L195 NwaCegarLoop]: 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] [2023-02-15 22:45:15,338 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-02-15 22:45:15,338 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-02-15 22:45:15,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 22:45:15,339 INFO L85 PathProgramCache]: Analyzing trace with hash 1829827011, now seen corresponding path program 1 times [2023-02-15 22:45:15,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 22:45:15,340 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171747326] [2023-02-15 22:45:15,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 22:45:15,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 22:45:15,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 22:45:15,377 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 22:45:15,378 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 22:45:15,378 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171747326] [2023-02-15 22:45:15,378 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1171747326] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 22:45:15,378 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 22:45:15,378 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-15 22:45:15,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785943514] [2023-02-15 22:45:15,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 22:45:15,379 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-15 22:45:15,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 22:45:15,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-15 22:45:15,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 22:45:15,380 INFO L87 Difference]: Start difference. First operand 169 states and 242 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:45:15,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 22:45:15,546 INFO L93 Difference]: Finished difference Result 374 states and 559 transitions. [2023-02-15 22:45:15,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-15 22:45:15,547 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2023-02-15 22:45:15,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 22:45:15,553 INFO L225 Difference]: With dead ends: 374 [2023-02-15 22:45:15,553 INFO L226 Difference]: Without dead ends: 214 [2023-02-15 22:45:15,558 INFO L412 NwaCegarLoop]: 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 [2023-02-15 22:45:15,561 INFO L413 NwaCegarLoop]: 159 mSDtfsCounter, 91 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 237 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-02-15 22:45:15,561 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 237 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-02-15 22:45:15,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2023-02-15 22:45:15,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 209. [2023-02-15 22:45:15,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209 states, 201 states have (on average 1.4825870646766168) internal successors, (298), 208 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:45:15,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 298 transitions. [2023-02-15 22:45:15,583 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 298 transitions. Word has length 33 [2023-02-15 22:45:15,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 22:45:15,584 INFO L495 AbstractCegarLoop]: Abstraction has 209 states and 298 transitions. [2023-02-15 22:45:15,584 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:45:15,584 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 298 transitions. [2023-02-15 22:45:15,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-02-15 22:45:15,585 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 22:45:15,586 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-02-15 22:45:15,586 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-02-15 22:45:15,587 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-02-15 22:45:15,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 22:45:15,589 INFO L85 PathProgramCache]: Analyzing trace with hash -1799011315, now seen corresponding path program 1 times [2023-02-15 22:45:15,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 22:45:15,589 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260903129] [2023-02-15 22:45:15,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 22:45:15,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 22:45:15,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 22:45:15,657 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 22:45:15,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 22:45:15,657 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260903129] [2023-02-15 22:45:15,658 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [260903129] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 22:45:15,658 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 22:45:15,658 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-15 22:45:15,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [833478905] [2023-02-15 22:45:15,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 22:45:15,659 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-15 22:45:15,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 22:45:15,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-15 22:45:15,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 22:45:15,660 INFO L87 Difference]: Start difference. First operand 209 states and 298 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:45:15,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 22:45:15,779 INFO L93 Difference]: Finished difference Result 472 states and 698 transitions. [2023-02-15 22:45:15,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-15 22:45:15,780 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2023-02-15 22:45:15,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 22:45:15,781 INFO L225 Difference]: With dead ends: 472 [2023-02-15 22:45:15,782 INFO L226 Difference]: Without dead ends: 274 [2023-02-15 22:45:15,783 INFO L412 NwaCegarLoop]: 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 [2023-02-15 22:45:15,791 INFO L413 NwaCegarLoop]: 146 mSDtfsCounter, 141 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-15 22:45:15,792 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 192 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-15 22:45:15,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2023-02-15 22:45:15,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 261. [2023-02-15 22:45:15,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 261 states, 253 states have (on average 1.4743083003952568) internal successors, (373), 260 states have internal predecessors, (373), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:45:15,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 373 transitions. [2023-02-15 22:45:15,807 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 373 transitions. Word has length 35 [2023-02-15 22:45:15,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 22:45:15,807 INFO L495 AbstractCegarLoop]: Abstraction has 261 states and 373 transitions. [2023-02-15 22:45:15,807 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:45:15,807 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 373 transitions. [2023-02-15 22:45:15,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-02-15 22:45:15,808 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 22:45:15,809 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-02-15 22:45:15,809 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-02-15 22:45:15,809 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-02-15 22:45:15,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 22:45:15,809 INFO L85 PathProgramCache]: Analyzing trace with hash 403974396, now seen corresponding path program 1 times [2023-02-15 22:45:15,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 22:45:15,810 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360362809] [2023-02-15 22:45:15,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 22:45:15,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 22:45:15,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 22:45:15,876 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-02-15 22:45:15,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 22:45:15,877 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360362809] [2023-02-15 22:45:15,877 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [360362809] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 22:45:15,877 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 22:45:15,877 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-15 22:45:15,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931759096] [2023-02-15 22:45:15,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 22:45:15,878 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-15 22:45:15,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 22:45:15,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-15 22:45:15,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 22:45:15,879 INFO L87 Difference]: Start difference. First operand 261 states and 373 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:45:16,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 22:45:16,018 INFO L93 Difference]: Finished difference Result 549 states and 799 transitions. [2023-02-15 22:45:16,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-15 22:45:16,018 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2023-02-15 22:45:16,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 22:45:16,020 INFO L225 Difference]: With dead ends: 549 [2023-02-15 22:45:16,020 INFO L226 Difference]: Without dead ends: 306 [2023-02-15 22:45:16,020 INFO L412 NwaCegarLoop]: 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 [2023-02-15 22:45:16,021 INFO L413 NwaCegarLoop]: 133 mSDtfsCounter, 161 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-15 22:45:16,021 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 165 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-15 22:45:16,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2023-02-15 22:45:16,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 301. [2023-02-15 22:45:16,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 293 states have (on average 1.4880546075085324) internal successors, (436), 300 states have internal predecessors, (436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:45:16,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 436 transitions. [2023-02-15 22:45:16,030 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 436 transitions. Word has length 54 [2023-02-15 22:45:16,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 22:45:16,030 INFO L495 AbstractCegarLoop]: Abstraction has 301 states and 436 transitions. [2023-02-15 22:45:16,030 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:45:16,030 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 436 transitions. [2023-02-15 22:45:16,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-02-15 22:45:16,032 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 22:45:16,032 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2023-02-15 22:45:16,032 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-02-15 22:45:16,032 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-02-15 22:45:16,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 22:45:16,033 INFO L85 PathProgramCache]: Analyzing trace with hash 306197706, now seen corresponding path program 1 times [2023-02-15 22:45:16,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 22:45:16,033 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1443995565] [2023-02-15 22:45:16,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 22:45:16,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 22:45:16,044 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-02-15 22:45:16,045 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1529237340] [2023-02-15 22:45:16,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 22:45:16,045 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 22:45:16,045 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 22:45:16,048 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-15 22:45:16,064 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-02-15 22:45:16,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 22:45:16,120 INFO L263 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 2 conjunts are in the unsatisfiable core [2023-02-15 22:45:16,123 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 22:45:16,168 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-02-15 22:45:16,169 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-02-15 22:45:16,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 22:45:16,169 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1443995565] [2023-02-15 22:45:16,169 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-02-15 22:45:16,169 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1529237340] [2023-02-15 22:45:16,169 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1529237340] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 22:45:16,169 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 22:45:16,170 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-15 22:45:16,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131351385] [2023-02-15 22:45:16,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 22:45:16,170 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-15 22:45:16,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 22:45:16,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-15 22:45:16,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 22:45:16,171 INFO L87 Difference]: Start difference. First operand 301 states and 436 transitions. Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:45:16,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 22:45:16,196 INFO L93 Difference]: Finished difference Result 853 states and 1250 transitions. [2023-02-15 22:45:16,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-15 22:45:16,197 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2023-02-15 22:45:16,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 22:45:16,199 INFO L225 Difference]: With dead ends: 853 [2023-02-15 22:45:16,199 INFO L226 Difference]: Without dead ends: 573 [2023-02-15 22:45:16,200 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 22:45:16,200 INFO L413 NwaCegarLoop]: 198 mSDtfsCounter, 155 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 380 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-15 22:45:16,200 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [155 Valid, 380 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-15 22:45:16,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 573 states. [2023-02-15 22:45:16,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 573 to 569. [2023-02-15 22:45:16,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 569 states, 561 states have (on average 1.4937611408199643) internal successors, (838), 568 states have internal predecessors, (838), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:45:16,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 569 states and 838 transitions. [2023-02-15 22:45:16,213 INFO L78 Accepts]: Start accepts. Automaton has 569 states and 838 transitions. Word has length 77 [2023-02-15 22:45:16,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 22:45:16,213 INFO L495 AbstractCegarLoop]: Abstraction has 569 states and 838 transitions. [2023-02-15 22:45:16,213 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:45:16,213 INFO L276 IsEmpty]: Start isEmpty. Operand 569 states and 838 transitions. [2023-02-15 22:45:16,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-02-15 22:45:16,214 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 22:45:16,214 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2023-02-15 22:45:16,229 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-02-15 22:45:16,420 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-02-15 22:45:16,420 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-02-15 22:45:16,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 22:45:16,421 INFO L85 PathProgramCache]: Analyzing trace with hash -2066455123, now seen corresponding path program 1 times [2023-02-15 22:45:16,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 22:45:16,421 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608759670] [2023-02-15 22:45:16,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 22:45:16,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 22:45:16,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 22:45:16,466 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-02-15 22:45:16,467 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 22:45:16,467 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [608759670] [2023-02-15 22:45:16,467 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [608759670] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 22:45:16,467 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 22:45:16,467 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-15 22:45:16,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81178111] [2023-02-15 22:45:16,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 22:45:16,468 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-15 22:45:16,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 22:45:16,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-15 22:45:16,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 22:45:16,469 INFO L87 Difference]: Start difference. First operand 569 states and 838 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:45:16,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 22:45:16,597 INFO L93 Difference]: Finished difference Result 1225 states and 1827 transitions. [2023-02-15 22:45:16,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-15 22:45:16,598 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2023-02-15 22:45:16,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 22:45:16,600 INFO L225 Difference]: With dead ends: 1225 [2023-02-15 22:45:16,600 INFO L226 Difference]: Without dead ends: 677 [2023-02-15 22:45:16,601 INFO L412 NwaCegarLoop]: 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 [2023-02-15 22:45:16,602 INFO L413 NwaCegarLoop]: 198 mSDtfsCounter, 53 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 289 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-15 22:45:16,602 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 289 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-15 22:45:16,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 677 states. [2023-02-15 22:45:16,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 677 to 665. [2023-02-15 22:45:16,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 665 states, 657 states have (on average 1.4063926940639269) internal successors, (924), 664 states have internal predecessors, (924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:45:16,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 665 states and 924 transitions. [2023-02-15 22:45:16,614 INFO L78 Accepts]: Start accepts. Automaton has 665 states and 924 transitions. Word has length 82 [2023-02-15 22:45:16,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 22:45:16,615 INFO L495 AbstractCegarLoop]: Abstraction has 665 states and 924 transitions. [2023-02-15 22:45:16,615 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:45:16,615 INFO L276 IsEmpty]: Start isEmpty. Operand 665 states and 924 transitions. [2023-02-15 22:45:16,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-02-15 22:45:16,616 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 22:45:16,616 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2023-02-15 22:45:16,616 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-02-15 22:45:16,616 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-02-15 22:45:16,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 22:45:16,617 INFO L85 PathProgramCache]: Analyzing trace with hash 1331118895, now seen corresponding path program 1 times [2023-02-15 22:45:16,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 22:45:16,617 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542055599] [2023-02-15 22:45:16,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 22:45:16,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 22:45:16,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 22:45:16,648 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-02-15 22:45:16,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 22:45:16,665 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542055599] [2023-02-15 22:45:16,665 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1542055599] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 22:45:16,665 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 22:45:16,665 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-15 22:45:16,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831630584] [2023-02-15 22:45:16,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 22:45:16,666 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-15 22:45:16,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 22:45:16,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-15 22:45:16,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 22:45:16,667 INFO L87 Difference]: Start difference. First operand 665 states and 924 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:45:16,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 22:45:16,744 INFO L93 Difference]: Finished difference Result 1361 states and 1893 transitions. [2023-02-15 22:45:16,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-15 22:45:16,748 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2023-02-15 22:45:16,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 22:45:16,751 INFO L225 Difference]: With dead ends: 1361 [2023-02-15 22:45:16,751 INFO L226 Difference]: Without dead ends: 717 [2023-02-15 22:45:16,752 INFO L412 NwaCegarLoop]: 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 [2023-02-15 22:45:16,753 INFO L413 NwaCegarLoop]: 217 mSDtfsCounter, 13 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 319 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-15 22:45:16,753 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 319 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-15 22:45:16,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 717 states. [2023-02-15 22:45:16,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 717 to 711. [2023-02-15 22:45:16,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 711 states, 703 states have (on average 1.3940256045519204) internal successors, (980), 710 states have internal predecessors, (980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:45:16,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 711 states to 711 states and 980 transitions. [2023-02-15 22:45:16,765 INFO L78 Accepts]: Start accepts. Automaton has 711 states and 980 transitions. Word has length 82 [2023-02-15 22:45:16,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 22:45:16,767 INFO L495 AbstractCegarLoop]: Abstraction has 711 states and 980 transitions. [2023-02-15 22:45:16,767 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:45:16,767 INFO L276 IsEmpty]: Start isEmpty. Operand 711 states and 980 transitions. [2023-02-15 22:45:16,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-02-15 22:45:16,771 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 22:45:16,771 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2023-02-15 22:45:16,771 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-02-15 22:45:16,771 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-02-15 22:45:16,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 22:45:16,772 INFO L85 PathProgramCache]: Analyzing trace with hash -970582448, now seen corresponding path program 1 times [2023-02-15 22:45:16,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 22:45:16,772 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360362698] [2023-02-15 22:45:16,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 22:45:16,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 22:45:16,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 22:45:16,850 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-02-15 22:45:16,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 22:45:16,851 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360362698] [2023-02-15 22:45:16,851 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [360362698] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 22:45:16,851 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 22:45:16,851 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-15 22:45:16,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207168338] [2023-02-15 22:45:16,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 22:45:16,852 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-15 22:45:16,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 22:45:16,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-15 22:45:16,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 22:45:16,853 INFO L87 Difference]: Start difference. First operand 711 states and 980 transitions. Second operand has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:45:16,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 22:45:16,882 INFO L93 Difference]: Finished difference Result 1703 states and 2359 transitions. [2023-02-15 22:45:16,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-15 22:45:16,883 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2023-02-15 22:45:16,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 22:45:16,900 INFO L225 Difference]: With dead ends: 1703 [2023-02-15 22:45:16,900 INFO L226 Difference]: Without dead ends: 1013 [2023-02-15 22:45:16,901 INFO L412 NwaCegarLoop]: 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 [2023-02-15 22:45:16,902 INFO L413 NwaCegarLoop]: 268 mSDtfsCounter, 139 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 460 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-15 22:45:16,903 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 460 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-15 22:45:16,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1013 states. [2023-02-15 22:45:16,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1013 to 1009. [2023-02-15 22:45:16,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1009 states, 1001 states have (on average 1.3996003996003996) internal successors, (1401), 1008 states have internal predecessors, (1401), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:45:16,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1009 states to 1009 states and 1401 transitions. [2023-02-15 22:45:16,922 INFO L78 Accepts]: Start accepts. Automaton has 1009 states and 1401 transitions. Word has length 94 [2023-02-15 22:45:16,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 22:45:16,923 INFO L495 AbstractCegarLoop]: Abstraction has 1009 states and 1401 transitions. [2023-02-15 22:45:16,923 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:45:16,923 INFO L276 IsEmpty]: Start isEmpty. Operand 1009 states and 1401 transitions. [2023-02-15 22:45:16,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-02-15 22:45:16,925 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 22:45:16,925 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2023-02-15 22:45:16,925 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-02-15 22:45:16,925 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-02-15 22:45:16,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 22:45:16,926 INFO L85 PathProgramCache]: Analyzing trace with hash 50485906, now seen corresponding path program 1 times [2023-02-15 22:45:16,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 22:45:16,926 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602887120] [2023-02-15 22:45:16,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 22:45:16,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 22:45:16,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 22:45:16,984 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-02-15 22:45:16,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 22:45:16,985 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602887120] [2023-02-15 22:45:16,985 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1602887120] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 22:45:16,985 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 22:45:16,985 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-15 22:45:16,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901000697] [2023-02-15 22:45:16,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 22:45:16,986 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-15 22:45:16,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 22:45:16,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-15 22:45:16,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 22:45:16,986 INFO L87 Difference]: Start difference. First operand 1009 states and 1401 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:45:17,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 22:45:17,108 INFO L93 Difference]: Finished difference Result 2017 states and 2803 transitions. [2023-02-15 22:45:17,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-15 22:45:17,108 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2023-02-15 22:45:17,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 22:45:17,111 INFO L225 Difference]: With dead ends: 2017 [2023-02-15 22:45:17,111 INFO L226 Difference]: Without dead ends: 1027 [2023-02-15 22:45:17,112 INFO L412 NwaCegarLoop]: 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 [2023-02-15 22:45:17,113 INFO L413 NwaCegarLoop]: 131 mSDtfsCounter, 166 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-15 22:45:17,113 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 158 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-15 22:45:17,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1027 states. [2023-02-15 22:45:17,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1027 to 1015. [2023-02-15 22:45:17,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1015 states, 1007 states have (on average 1.3952333664349552) internal successors, (1405), 1014 states have internal predecessors, (1405), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:45:17,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1015 states to 1015 states and 1405 transitions. [2023-02-15 22:45:17,130 INFO L78 Accepts]: Start accepts. Automaton has 1015 states and 1405 transitions. Word has length 94 [2023-02-15 22:45:17,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 22:45:17,130 INFO L495 AbstractCegarLoop]: Abstraction has 1015 states and 1405 transitions. [2023-02-15 22:45:17,130 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:45:17,130 INFO L276 IsEmpty]: Start isEmpty. Operand 1015 states and 1405 transitions. [2023-02-15 22:45:17,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-02-15 22:45:17,131 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 22:45:17,132 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2023-02-15 22:45:17,132 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-02-15 22:45:17,132 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-02-15 22:45:17,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 22:45:17,132 INFO L85 PathProgramCache]: Analyzing trace with hash 1111608577, now seen corresponding path program 1 times [2023-02-15 22:45:17,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 22:45:17,133 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792896661] [2023-02-15 22:45:17,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 22:45:17,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 22:45:17,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 22:45:17,164 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-02-15 22:45:17,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 22:45:17,165 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [792896661] [2023-02-15 22:45:17,165 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [792896661] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 22:45:17,165 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 22:45:17,165 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-15 22:45:17,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761512029] [2023-02-15 22:45:17,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 22:45:17,166 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-15 22:45:17,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 22:45:17,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-15 22:45:17,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 22:45:17,166 INFO L87 Difference]: Start difference. First operand 1015 states and 1405 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:45:17,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 22:45:17,274 INFO L93 Difference]: Finished difference Result 2120 states and 2950 transitions. [2023-02-15 22:45:17,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-15 22:45:17,275 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 102 [2023-02-15 22:45:17,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 22:45:17,277 INFO L225 Difference]: With dead ends: 2120 [2023-02-15 22:45:17,278 INFO L226 Difference]: Without dead ends: 1126 [2023-02-15 22:45:17,279 INFO L412 NwaCegarLoop]: 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 [2023-02-15 22:45:17,279 INFO L413 NwaCegarLoop]: 216 mSDtfsCounter, 29 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 318 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-15 22:45:17,279 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 318 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-15 22:45:17,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1126 states. [2023-02-15 22:45:17,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1126 to 1090. [2023-02-15 22:45:17,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1090 states, 1082 states have (on average 1.3817005545286507) internal successors, (1495), 1089 states have internal predecessors, (1495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:45:17,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1090 states to 1090 states and 1495 transitions. [2023-02-15 22:45:17,297 INFO L78 Accepts]: Start accepts. Automaton has 1090 states and 1495 transitions. Word has length 102 [2023-02-15 22:45:17,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 22:45:17,297 INFO L495 AbstractCegarLoop]: Abstraction has 1090 states and 1495 transitions. [2023-02-15 22:45:17,298 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:45:17,298 INFO L276 IsEmpty]: Start isEmpty. Operand 1090 states and 1495 transitions. [2023-02-15 22:45:17,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-02-15 22:45:17,299 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 22:45:17,299 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 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, 1, 1] [2023-02-15 22:45:17,299 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-02-15 22:45:17,299 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-02-15 22:45:17,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 22:45:17,300 INFO L85 PathProgramCache]: Analyzing trace with hash 1438093229, now seen corresponding path program 1 times [2023-02-15 22:45:17,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 22:45:17,300 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500849822] [2023-02-15 22:45:17,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 22:45:17,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 22:45:17,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 22:45:17,359 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2023-02-15 22:45:17,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 22:45:17,360 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1500849822] [2023-02-15 22:45:17,360 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1500849822] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 22:45:17,360 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 22:45:17,360 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-15 22:45:17,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1379437272] [2023-02-15 22:45:17,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 22:45:17,361 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-15 22:45:17,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 22:45:17,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-15 22:45:17,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 22:45:17,362 INFO L87 Difference]: Start difference. First operand 1090 states and 1495 transitions. Second operand has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:45:17,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 22:45:17,446 INFO L93 Difference]: Finished difference Result 2261 states and 3118 transitions. [2023-02-15 22:45:17,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-15 22:45:17,446 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 128 [2023-02-15 22:45:17,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 22:45:17,449 INFO L225 Difference]: With dead ends: 2261 [2023-02-15 22:45:17,449 INFO L226 Difference]: Without dead ends: 1192 [2023-02-15 22:45:17,452 INFO L412 NwaCegarLoop]: 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 [2023-02-15 22:45:17,452 INFO L413 NwaCegarLoop]: 216 mSDtfsCounter, 18 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 318 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-15 22:45:17,452 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 318 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-15 22:45:17,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1192 states. [2023-02-15 22:45:17,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1192 to 1171. [2023-02-15 22:45:17,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1171 states, 1163 states have (on average 1.3680137575236457) internal successors, (1591), 1170 states have internal predecessors, (1591), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:45:17,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1171 states to 1171 states and 1591 transitions. [2023-02-15 22:45:17,472 INFO L78 Accepts]: Start accepts. Automaton has 1171 states and 1591 transitions. Word has length 128 [2023-02-15 22:45:17,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 22:45:17,473 INFO L495 AbstractCegarLoop]: Abstraction has 1171 states and 1591 transitions. [2023-02-15 22:45:17,473 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:45:17,473 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 1591 transitions. [2023-02-15 22:45:17,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-02-15 22:45:17,474 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 22:45:17,474 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 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, 1, 1, 1] [2023-02-15 22:45:17,474 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-02-15 22:45:17,475 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-02-15 22:45:17,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 22:45:17,475 INFO L85 PathProgramCache]: Analyzing trace with hash 1152388926, now seen corresponding path program 1 times [2023-02-15 22:45:17,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 22:45:17,475 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169013964] [2023-02-15 22:45:17,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 22:45:17,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 22:45:17,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 22:45:17,543 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2023-02-15 22:45:17,543 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 22:45:17,543 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1169013964] [2023-02-15 22:45:17,543 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1169013964] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 22:45:17,543 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 22:45:17,544 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-15 22:45:17,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77703589] [2023-02-15 22:45:17,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 22:45:17,544 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-15 22:45:17,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 22:45:17,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-15 22:45:17,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 22:45:17,545 INFO L87 Difference]: Start difference. First operand 1171 states and 1591 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:45:17,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 22:45:17,676 INFO L93 Difference]: Finished difference Result 2417 states and 3295 transitions. [2023-02-15 22:45:17,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-15 22:45:17,677 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 129 [2023-02-15 22:45:17,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 22:45:17,680 INFO L225 Difference]: With dead ends: 2417 [2023-02-15 22:45:17,681 INFO L226 Difference]: Without dead ends: 1267 [2023-02-15 22:45:17,682 INFO L412 NwaCegarLoop]: 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 [2023-02-15 22:45:17,683 INFO L413 NwaCegarLoop]: 145 mSDtfsCounter, 167 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-15 22:45:17,683 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 167 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-15 22:45:17,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1267 states. [2023-02-15 22:45:17,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1267 to 1213. [2023-02-15 22:45:17,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1213 states, 1205 states have (on average 1.3676348547717843) internal successors, (1648), 1212 states have internal predecessors, (1648), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:45:17,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1213 states to 1213 states and 1648 transitions. [2023-02-15 22:45:17,707 INFO L78 Accepts]: Start accepts. Automaton has 1213 states and 1648 transitions. Word has length 129 [2023-02-15 22:45:17,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 22:45:17,707 INFO L495 AbstractCegarLoop]: Abstraction has 1213 states and 1648 transitions. [2023-02-15 22:45:17,708 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:45:17,708 INFO L276 IsEmpty]: Start isEmpty. Operand 1213 states and 1648 transitions. [2023-02-15 22:45:17,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-02-15 22:45:17,709 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 22:45:17,709 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 5, 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, 1, 1, 1, 1, 1] [2023-02-15 22:45:17,710 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-02-15 22:45:17,710 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-02-15 22:45:17,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 22:45:17,710 INFO L85 PathProgramCache]: Analyzing trace with hash -1515805178, now seen corresponding path program 1 times [2023-02-15 22:45:17,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 22:45:17,710 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667795622] [2023-02-15 22:45:17,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 22:45:17,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 22:45:17,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 22:45:17,763 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2023-02-15 22:45:17,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 22:45:17,763 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667795622] [2023-02-15 22:45:17,763 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1667795622] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 22:45:17,763 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 22:45:17,764 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-15 22:45:17,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860137432] [2023-02-15 22:45:17,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 22:45:17,765 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-15 22:45:17,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 22:45:17,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-15 22:45:17,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 22:45:17,766 INFO L87 Difference]: Start difference. First operand 1213 states and 1648 transitions. Second operand has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:45:17,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 22:45:17,858 INFO L93 Difference]: Finished difference Result 2501 states and 3403 transitions. [2023-02-15 22:45:17,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-15 22:45:17,858 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 142 [2023-02-15 22:45:17,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 22:45:17,861 INFO L225 Difference]: With dead ends: 2501 [2023-02-15 22:45:17,862 INFO L226 Difference]: Without dead ends: 1309 [2023-02-15 22:45:17,863 INFO L412 NwaCegarLoop]: 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 [2023-02-15 22:45:17,863 INFO L413 NwaCegarLoop]: 226 mSDtfsCounter, 41 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 322 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-15 22:45:17,864 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 322 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-15 22:45:17,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1309 states. [2023-02-15 22:45:17,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1309 to 1276. [2023-02-15 22:45:17,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1276 states, 1268 states have (on average 1.361198738170347) internal successors, (1726), 1275 states have internal predecessors, (1726), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:45:17,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1276 states to 1276 states and 1726 transitions. [2023-02-15 22:45:17,912 INFO L78 Accepts]: Start accepts. Automaton has 1276 states and 1726 transitions. Word has length 142 [2023-02-15 22:45:17,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 22:45:17,912 INFO L495 AbstractCegarLoop]: Abstraction has 1276 states and 1726 transitions. [2023-02-15 22:45:17,912 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:45:17,912 INFO L276 IsEmpty]: Start isEmpty. Operand 1276 states and 1726 transitions. [2023-02-15 22:45:17,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2023-02-15 22:45:17,914 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 22:45:17,914 INFO L195 NwaCegarLoop]: 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] [2023-02-15 22:45:17,914 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-02-15 22:45:17,914 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-02-15 22:45:17,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 22:45:17,915 INFO L85 PathProgramCache]: Analyzing trace with hash -1730809671, now seen corresponding path program 1 times [2023-02-15 22:45:17,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 22:45:17,915 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103910999] [2023-02-15 22:45:17,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 22:45:17,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 22:45:17,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 22:45:17,981 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 110 proven. 5 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2023-02-15 22:45:17,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 22:45:17,981 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103910999] [2023-02-15 22:45:17,981 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [103910999] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-15 22:45:17,981 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1913935914] [2023-02-15 22:45:17,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 22:45:17,982 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 22:45:17,982 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 22:45:17,983 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-15 22:45:17,985 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-02-15 22:45:18,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 22:45:18,060 INFO L263 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 3 conjunts are in the unsatisfiable core [2023-02-15 22:45:18,064 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 22:45:18,135 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 110 proven. 5 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2023-02-15 22:45:18,136 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-15 22:45:18,172 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 110 proven. 5 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2023-02-15 22:45:18,172 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1913935914] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-15 22:45:18,173 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-15 22:45:18,173 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2023-02-15 22:45:18,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619799504] [2023-02-15 22:45:18,174 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-15 22:45:18,174 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-02-15 22:45:18,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 22:45:18,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-02-15 22:45:18,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-02-15 22:45:18,175 INFO L87 Difference]: Start difference. First operand 1276 states and 1726 transitions. Second operand has 6 states, 6 states have (on average 21.333333333333332) internal successors, (128), 6 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:45:18,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 22:45:18,609 INFO L93 Difference]: Finished difference Result 5319 states and 7283 transitions. [2023-02-15 22:45:18,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-02-15 22:45:18,609 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 21.333333333333332) internal successors, (128), 6 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 155 [2023-02-15 22:45:18,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 22:45:18,620 INFO L225 Difference]: With dead ends: 5319 [2023-02-15 22:45:18,620 INFO L226 Difference]: Without dead ends: 3959 [2023-02-15 22:45:18,624 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 320 GetRequests, 312 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2023-02-15 22:45:18,624 INFO L413 NwaCegarLoop]: 243 mSDtfsCounter, 731 mSDsluCounter, 351 mSDsCounter, 0 mSdLazyCounter, 597 mSolverCounterSat, 106 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 731 SdHoareTripleChecker+Valid, 594 SdHoareTripleChecker+Invalid, 703 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 106 IncrementalHoareTripleChecker+Valid, 597 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-02-15 22:45:18,624 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [731 Valid, 594 Invalid, 703 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [106 Valid, 597 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-02-15 22:45:18,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3959 states. [2023-02-15 22:45:18,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3959 to 3381. [2023-02-15 22:45:18,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3381 states, 3373 states have (on average 1.3937147939519716) internal successors, (4701), 3380 states have internal predecessors, (4701), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:45:18,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3381 states to 3381 states and 4701 transitions. [2023-02-15 22:45:18,703 INFO L78 Accepts]: Start accepts. Automaton has 3381 states and 4701 transitions. Word has length 155 [2023-02-15 22:45:18,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 22:45:18,703 INFO L495 AbstractCegarLoop]: Abstraction has 3381 states and 4701 transitions. [2023-02-15 22:45:18,703 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 21.333333333333332) internal successors, (128), 6 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:45:18,703 INFO L276 IsEmpty]: Start isEmpty. Operand 3381 states and 4701 transitions. [2023-02-15 22:45:18,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2023-02-15 22:45:18,705 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 22:45:18,705 INFO L195 NwaCegarLoop]: 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] [2023-02-15 22:45:18,712 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-02-15 22:45:18,910 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-02-15 22:45:18,911 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-02-15 22:45:18,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 22:45:18,912 INFO L85 PathProgramCache]: Analyzing trace with hash -481927805, now seen corresponding path program 1 times [2023-02-15 22:45:18,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 22:45:18,912 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45537093] [2023-02-15 22:45:18,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 22:45:18,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 22:45:18,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 22:45:18,971 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 120 proven. 7 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2023-02-15 22:45:18,971 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 22:45:18,972 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [45537093] [2023-02-15 22:45:18,972 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [45537093] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-15 22:45:18,972 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1313670466] [2023-02-15 22:45:18,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 22:45:18,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 22:45:18,972 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 22:45:18,973 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-15 22:45:19,013 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-02-15 22:45:19,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 22:45:19,067 INFO L263 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 3 conjunts are in the unsatisfiable core [2023-02-15 22:45:19,069 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 22:45:19,101 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 120 proven. 7 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2023-02-15 22:45:19,101 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-15 22:45:19,137 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 120 proven. 7 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2023-02-15 22:45:19,137 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1313670466] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-15 22:45:19,137 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-15 22:45:19,137 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2023-02-15 22:45:19,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696546271] [2023-02-15 22:45:19,137 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-15 22:45:19,138 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-02-15 22:45:19,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 22:45:19,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-02-15 22:45:19,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-02-15 22:45:19,139 INFO L87 Difference]: Start difference. First operand 3381 states and 4701 transitions. Second operand has 6 states, 6 states have (on average 22.0) internal successors, (132), 6 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:45:19,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 22:45:19,620 INFO L93 Difference]: Finished difference Result 9679 states and 13227 transitions. [2023-02-15 22:45:19,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-02-15 22:45:19,621 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 22.0) internal successors, (132), 6 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 157 [2023-02-15 22:45:19,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 22:45:19,635 INFO L225 Difference]: With dead ends: 9679 [2023-02-15 22:45:19,648 INFO L226 Difference]: Without dead ends: 6319 [2023-02-15 22:45:19,652 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 324 GetRequests, 316 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2023-02-15 22:45:19,665 INFO L413 NwaCegarLoop]: 343 mSDtfsCounter, 556 mSDsluCounter, 684 mSDsCounter, 0 mSdLazyCounter, 709 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 556 SdHoareTripleChecker+Valid, 1027 SdHoareTripleChecker+Invalid, 789 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 709 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-02-15 22:45:19,666 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [556 Valid, 1027 Invalid, 789 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 709 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-02-15 22:45:19,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6319 states. [2023-02-15 22:45:19,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6319 to 5402. [2023-02-15 22:45:19,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5402 states, 5394 states have (on average 1.3474230626622172) internal successors, (7268), 5401 states have internal predecessors, (7268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:45:19,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5402 states to 5402 states and 7268 transitions. [2023-02-15 22:45:19,793 INFO L78 Accepts]: Start accepts. Automaton has 5402 states and 7268 transitions. Word has length 157 [2023-02-15 22:45:19,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 22:45:19,793 INFO L495 AbstractCegarLoop]: Abstraction has 5402 states and 7268 transitions. [2023-02-15 22:45:19,794 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 22.0) internal successors, (132), 6 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:45:19,794 INFO L276 IsEmpty]: Start isEmpty. Operand 5402 states and 7268 transitions. [2023-02-15 22:45:19,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2023-02-15 22:45:19,796 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 22:45:19,796 INFO L195 NwaCegarLoop]: 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] [2023-02-15 22:45:19,803 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-02-15 22:45:20,001 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 22:45:20,002 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-02-15 22:45:20,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 22:45:20,002 INFO L85 PathProgramCache]: Analyzing trace with hash 1887802310, now seen corresponding path program 1 times [2023-02-15 22:45:20,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 22:45:20,003 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113737035] [2023-02-15 22:45:20,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 22:45:20,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 22:45:20,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 22:45:20,081 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 159 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2023-02-15 22:45:20,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 22:45:20,081 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113737035] [2023-02-15 22:45:20,081 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1113737035] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 22:45:20,081 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 22:45:20,081 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-15 22:45:20,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623255952] [2023-02-15 22:45:20,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 22:45:20,082 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-15 22:45:20,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 22:45:20,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-15 22:45:20,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 22:45:20,083 INFO L87 Difference]: Start difference. First operand 5402 states and 7268 transitions. Second operand has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:45:20,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 22:45:20,194 INFO L93 Difference]: Finished difference Result 14084 states and 19006 transitions. [2023-02-15 22:45:20,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-15 22:45:20,194 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 166 [2023-02-15 22:45:20,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 22:45:20,226 INFO L225 Difference]: With dead ends: 14084 [2023-02-15 22:45:20,226 INFO L226 Difference]: Without dead ends: 8703 [2023-02-15 22:45:20,233 INFO L412 NwaCegarLoop]: 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 [2023-02-15 22:45:20,235 INFO L413 NwaCegarLoop]: 346 mSDtfsCounter, 142 mSDsluCounter, 199 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 545 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-15 22:45:20,235 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 545 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-15 22:45:20,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8703 states. [2023-02-15 22:45:20,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8703 to 8011. [2023-02-15 22:45:20,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8011 states, 8003 states have (on average 1.3572410346120205) internal successors, (10862), 8010 states have internal predecessors, (10862), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:45:20,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8011 states to 8011 states and 10862 transitions. [2023-02-15 22:45:20,606 INFO L78 Accepts]: Start accepts. Automaton has 8011 states and 10862 transitions. Word has length 166 [2023-02-15 22:45:20,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 22:45:20,606 INFO L495 AbstractCegarLoop]: Abstraction has 8011 states and 10862 transitions. [2023-02-15 22:45:20,607 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:45:20,607 INFO L276 IsEmpty]: Start isEmpty. Operand 8011 states and 10862 transitions. [2023-02-15 22:45:20,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2023-02-15 22:45:20,609 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 22:45:20,609 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 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] [2023-02-15 22:45:20,609 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-02-15 22:45:20,610 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-02-15 22:45:20,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 22:45:20,610 INFO L85 PathProgramCache]: Analyzing trace with hash -2093058381, now seen corresponding path program 1 times [2023-02-15 22:45:20,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 22:45:20,610 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010899653] [2023-02-15 22:45:20,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 22:45:20,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 22:45:20,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 22:45:20,653 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 197 proven. 0 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2023-02-15 22:45:20,654 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 22:45:20,654 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010899653] [2023-02-15 22:45:20,654 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2010899653] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 22:45:20,654 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 22:45:20,654 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-15 22:45:20,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711086752] [2023-02-15 22:45:20,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 22:45:20,655 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-15 22:45:20,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 22:45:20,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-15 22:45:20,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 22:45:20,655 INFO L87 Difference]: Start difference. First operand 8011 states and 10862 transitions. Second operand has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:45:20,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 22:45:20,853 INFO L93 Difference]: Finished difference Result 15968 states and 21645 transitions. [2023-02-15 22:45:20,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-15 22:45:20,853 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 168 [2023-02-15 22:45:20,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 22:45:20,867 INFO L225 Difference]: With dead ends: 15968 [2023-02-15 22:45:20,867 INFO L226 Difference]: Without dead ends: 7978 [2023-02-15 22:45:20,875 INFO L412 NwaCegarLoop]: 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 [2023-02-15 22:45:20,876 INFO L413 NwaCegarLoop]: 216 mSDtfsCounter, 11 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 318 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-15 22:45:20,876 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 318 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-15 22:45:20,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7978 states. [2023-02-15 22:45:20,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7978 to 5722. [2023-02-15 22:45:21,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5722 states, 5714 states have (on average 1.3538676933846692) internal successors, (7736), 5721 states have internal predecessors, (7736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:45:21,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5722 states to 5722 states and 7736 transitions. [2023-02-15 22:45:21,047 INFO L78 Accepts]: Start accepts. Automaton has 5722 states and 7736 transitions. Word has length 168 [2023-02-15 22:45:21,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 22:45:21,047 INFO L495 AbstractCegarLoop]: Abstraction has 5722 states and 7736 transitions. [2023-02-15 22:45:21,047 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:45:21,047 INFO L276 IsEmpty]: Start isEmpty. Operand 5722 states and 7736 transitions. [2023-02-15 22:45:21,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2023-02-15 22:45:21,049 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 22:45:21,050 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1] [2023-02-15 22:45:21,050 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-02-15 22:45:21,050 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-02-15 22:45:21,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 22:45:21,051 INFO L85 PathProgramCache]: Analyzing trace with hash -1797856845, now seen corresponding path program 1 times [2023-02-15 22:45:21,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 22:45:21,051 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456157779] [2023-02-15 22:45:21,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 22:45:21,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 22:45:21,061 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-02-15 22:45:21,061 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [907309701] [2023-02-15 22:45:21,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 22:45:21,061 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 22:45:21,062 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 22:45:21,062 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-15 22:45:21,064 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-02-15 22:45:21,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 22:45:21,134 INFO L263 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 4 conjunts are in the unsatisfiable core [2023-02-15 22:45:21,139 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 22:45:21,209 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 172 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2023-02-15 22:45:21,210 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-02-15 22:45:21,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 22:45:21,210 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1456157779] [2023-02-15 22:45:21,210 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-02-15 22:45:21,210 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [907309701] [2023-02-15 22:45:21,211 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [907309701] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 22:45:21,211 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 22:45:21,211 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-15 22:45:21,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7030580] [2023-02-15 22:45:21,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 22:45:21,212 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-15 22:45:21,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 22:45:21,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-15 22:45:21,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-02-15 22:45:21,213 INFO L87 Difference]: Start difference. First operand 5722 states and 7736 transitions. Second operand has 4 states, 3 states have (on average 34.666666666666664) internal successors, (104), 4 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:45:21,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 22:45:21,384 INFO L93 Difference]: Finished difference Result 6173 states and 8269 transitions. [2023-02-15 22:45:21,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-15 22:45:21,385 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 34.666666666666664) internal successors, (104), 4 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 188 [2023-02-15 22:45:21,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 22:45:21,393 INFO L225 Difference]: With dead ends: 6173 [2023-02-15 22:45:21,393 INFO L226 Difference]: Without dead ends: 6172 [2023-02-15 22:45:21,394 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-02-15 22:45:21,394 INFO L413 NwaCegarLoop]: 305 mSDtfsCounter, 102 mSDsluCounter, 336 mSDsCounter, 0 mSdLazyCounter, 191 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 641 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 191 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-15 22:45:21,394 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 641 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 191 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-15 22:45:21,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6172 states. [2023-02-15 22:45:21,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6172 to 5726. [2023-02-15 22:45:21,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5726 states, 5718 states have (on average 1.3537950332284014) internal successors, (7741), 5725 states have internal predecessors, (7741), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:45:21,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5726 states to 5726 states and 7741 transitions. [2023-02-15 22:45:21,530 INFO L78 Accepts]: Start accepts. Automaton has 5726 states and 7741 transitions. Word has length 188 [2023-02-15 22:45:21,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 22:45:21,530 INFO L495 AbstractCegarLoop]: Abstraction has 5726 states and 7741 transitions. [2023-02-15 22:45:21,530 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 34.666666666666664) internal successors, (104), 4 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:45:21,531 INFO L276 IsEmpty]: Start isEmpty. Operand 5726 states and 7741 transitions. [2023-02-15 22:45:21,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2023-02-15 22:45:21,532 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 22:45:21,533 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1] [2023-02-15 22:45:21,539 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-02-15 22:45:21,737 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 22:45:21,738 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-02-15 22:45:21,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 22:45:21,738 INFO L85 PathProgramCache]: Analyzing trace with hash 101013166, now seen corresponding path program 1 times [2023-02-15 22:45:21,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 22:45:21,738 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627230644] [2023-02-15 22:45:21,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 22:45:21,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 22:45:21,749 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-02-15 22:45:21,749 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1662003226] [2023-02-15 22:45:21,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 22:45:21,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 22:45:21,750 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 22:45:21,765 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-15 22:45:21,790 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-02-15 22:45:21,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 22:45:21,866 INFO L263 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 3 conjunts are in the unsatisfiable core [2023-02-15 22:45:21,869 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 22:45:22,018 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 175 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2023-02-15 22:45:22,019 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-02-15 22:45:22,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 22:45:22,019 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627230644] [2023-02-15 22:45:22,019 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-02-15 22:45:22,019 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1662003226] [2023-02-15 22:45:22,019 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1662003226] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 22:45:22,019 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 22:45:22,019 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-15 22:45:22,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601710128] [2023-02-15 22:45:22,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 22:45:22,022 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-15 22:45:22,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 22:45:22,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-15 22:45:22,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-02-15 22:45:22,023 INFO L87 Difference]: Start difference. First operand 5726 states and 7741 transitions. Second operand has 4 states, 3 states have (on average 35.666666666666664) internal successors, (107), 4 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:45:22,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 22:45:22,470 INFO L93 Difference]: Finished difference Result 13431 states and 18134 transitions. [2023-02-15 22:45:22,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-15 22:45:22,470 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 35.666666666666664) internal successors, (107), 4 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 189 [2023-02-15 22:45:22,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 22:45:22,482 INFO L225 Difference]: With dead ends: 13431 [2023-02-15 22:45:22,482 INFO L226 Difference]: Without dead ends: 7726 [2023-02-15 22:45:22,489 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-02-15 22:45:22,490 INFO L413 NwaCegarLoop]: 351 mSDtfsCounter, 172 mSDsluCounter, 347 mSDsCounter, 0 mSdLazyCounter, 228 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 698 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 228 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-02-15 22:45:22,490 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 698 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 228 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-02-15 22:45:22,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7726 states. [2023-02-15 22:45:22,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7726 to 7642. [2023-02-15 22:45:22,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7642 states, 7635 states have (on average 1.3515389652914211) internal successors, (10319), 7641 states have internal predecessors, (10319), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:45:22,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7642 states to 7642 states and 10319 transitions. [2023-02-15 22:45:22,685 INFO L78 Accepts]: Start accepts. Automaton has 7642 states and 10319 transitions. Word has length 189 [2023-02-15 22:45:22,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 22:45:22,685 INFO L495 AbstractCegarLoop]: Abstraction has 7642 states and 10319 transitions. [2023-02-15 22:45:22,686 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 35.666666666666664) internal successors, (107), 4 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:45:22,686 INFO L276 IsEmpty]: Start isEmpty. Operand 7642 states and 10319 transitions. [2023-02-15 22:45:22,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2023-02-15 22:45:22,688 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 22:45:22,688 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1] [2023-02-15 22:45:22,709 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-02-15 22:45:22,893 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 22:45:22,894 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-02-15 22:45:22,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 22:45:22,894 INFO L85 PathProgramCache]: Analyzing trace with hash -104099855, now seen corresponding path program 1 times [2023-02-15 22:45:22,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 22:45:22,894 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [798818984] [2023-02-15 22:45:22,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 22:45:22,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 22:45:22,907 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-02-15 22:45:22,907 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1655851369] [2023-02-15 22:45:22,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 22:45:22,908 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 22:45:22,908 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 22:45:22,909 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-15 22:45:22,928 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-02-15 22:45:23,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 22:45:23,006 INFO L263 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 3 conjunts are in the unsatisfiable core [2023-02-15 22:45:23,008 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 22:45:23,072 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 174 proven. 26 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-02-15 22:45:23,073 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-15 22:45:23,133 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 174 proven. 26 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-02-15 22:45:23,134 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 22:45:23,134 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [798818984] [2023-02-15 22:45:23,134 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-02-15 22:45:23,134 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1655851369] [2023-02-15 22:45:23,134 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1655851369] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-15 22:45:23,134 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-02-15 22:45:23,135 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2023-02-15 22:45:23,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259536358] [2023-02-15 22:45:23,135 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-02-15 22:45:23,136 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-15 22:45:23,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 22:45:23,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-15 22:45:23,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-15 22:45:23,136 INFO L87 Difference]: Start difference. First operand 7642 states and 10319 transitions. Second operand has 4 states, 4 states have (on average 32.5) internal successors, (130), 4 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:45:23,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 22:45:23,580 INFO L93 Difference]: Finished difference Result 17408 states and 23239 transitions. [2023-02-15 22:45:23,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-02-15 22:45:23,581 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 32.5) internal successors, (130), 4 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 189 [2023-02-15 22:45:23,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 22:45:23,594 INFO L225 Difference]: With dead ends: 17408 [2023-02-15 22:45:23,594 INFO L226 Difference]: Without dead ends: 9715 [2023-02-15 22:45:23,600 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 378 GetRequests, 373 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-02-15 22:45:23,600 INFO L413 NwaCegarLoop]: 229 mSDtfsCounter, 346 mSDsluCounter, 211 mSDsCounter, 0 mSdLazyCounter, 263 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 346 SdHoareTripleChecker+Valid, 440 SdHoareTripleChecker+Invalid, 332 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 263 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-02-15 22:45:23,601 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [346 Valid, 440 Invalid, 332 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 263 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-02-15 22:45:23,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9715 states. [2023-02-15 22:45:23,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9715 to 7444. [2023-02-15 22:45:23,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7444 states, 7437 states have (on average 1.3438214333736722) internal successors, (9994), 7443 states have internal predecessors, (9994), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:45:23,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7444 states to 7444 states and 9994 transitions. [2023-02-15 22:45:23,764 INFO L78 Accepts]: Start accepts. Automaton has 7444 states and 9994 transitions. Word has length 189 [2023-02-15 22:45:23,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 22:45:23,765 INFO L495 AbstractCegarLoop]: Abstraction has 7444 states and 9994 transitions. [2023-02-15 22:45:23,765 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 32.5) internal successors, (130), 4 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:45:23,765 INFO L276 IsEmpty]: Start isEmpty. Operand 7444 states and 9994 transitions. [2023-02-15 22:45:23,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2023-02-15 22:45:23,767 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 22:45:23,767 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1] [2023-02-15 22:45:23,780 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-02-15 22:45:23,972 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 22:45:23,973 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-02-15 22:45:23,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 22:45:23,973 INFO L85 PathProgramCache]: Analyzing trace with hash -1163558635, now seen corresponding path program 1 times [2023-02-15 22:45:23,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 22:45:23,973 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617119676] [2023-02-15 22:45:23,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 22:45:23,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 22:45:23,984 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-02-15 22:45:23,985 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [222951549] [2023-02-15 22:45:23,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 22:45:23,985 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 22:45:23,985 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 22:45:23,986 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-15 22:45:23,989 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-02-15 22:45:24,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 22:45:24,064 INFO L263 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 5 conjunts are in the unsatisfiable core [2023-02-15 22:45:24,066 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 22:45:24,284 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 234 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2023-02-15 22:45:24,284 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-02-15 22:45:24,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 22:45:24,284 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1617119676] [2023-02-15 22:45:24,284 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-02-15 22:45:24,284 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [222951549] [2023-02-15 22:45:24,285 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [222951549] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 22:45:24,285 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 22:45:24,285 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-02-15 22:45:24,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684272189] [2023-02-15 22:45:24,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 22:45:24,285 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-02-15 22:45:24,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 22:45:24,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-02-15 22:45:24,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-02-15 22:45:24,286 INFO L87 Difference]: Start difference. First operand 7444 states and 9994 transitions. Second operand has 5 states, 4 states have (on average 35.0) internal successors, (140), 5 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:45:24,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 22:45:24,466 INFO L93 Difference]: Finished difference Result 7866 states and 10484 transitions. [2023-02-15 22:45:24,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-02-15 22:45:24,467 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 35.0) internal successors, (140), 5 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 190 [2023-02-15 22:45:24,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 22:45:24,479 INFO L225 Difference]: With dead ends: 7866 [2023-02-15 22:45:24,480 INFO L226 Difference]: Without dead ends: 7865 [2023-02-15 22:45:24,483 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-02-15 22:45:24,484 INFO L413 NwaCegarLoop]: 290 mSDtfsCounter, 238 mSDsluCounter, 405 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 238 SdHoareTripleChecker+Valid, 695 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-15 22:45:24,485 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [238 Valid, 695 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-15 22:45:24,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7865 states. [2023-02-15 22:45:24,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7865 to 7448. [2023-02-15 22:45:24,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7448 states, 7441 states have (on average 1.343636607982798) internal successors, (9998), 7447 states have internal predecessors, (9998), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:45:24,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7448 states to 7448 states and 9998 transitions. [2023-02-15 22:45:24,670 INFO L78 Accepts]: Start accepts. Automaton has 7448 states and 9998 transitions. Word has length 190 [2023-02-15 22:45:24,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 22:45:24,671 INFO L495 AbstractCegarLoop]: Abstraction has 7448 states and 9998 transitions. [2023-02-15 22:45:24,671 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 35.0) internal successors, (140), 5 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:45:24,671 INFO L276 IsEmpty]: Start isEmpty. Operand 7448 states and 9998 transitions. [2023-02-15 22:45:24,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2023-02-15 22:45:24,673 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 22:45:24,674 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 7, 6, 6, 6, 5, 5, 4, 4, 3, 3, 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] [2023-02-15 22:45:24,691 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-02-15 22:45:24,879 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 22:45:24,880 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-02-15 22:45:24,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 22:45:24,881 INFO L85 PathProgramCache]: Analyzing trace with hash 300203678, now seen corresponding path program 1 times [2023-02-15 22:45:24,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 22:45:24,881 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595640968] [2023-02-15 22:45:24,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 22:45:24,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 22:45:24,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 22:45:24,945 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 348 trivial. 0 not checked. [2023-02-15 22:45:24,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 22:45:24,945 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595640968] [2023-02-15 22:45:24,945 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [595640968] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 22:45:24,946 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 22:45:24,946 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-15 22:45:24,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223841485] [2023-02-15 22:45:24,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 22:45:24,947 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-15 22:45:24,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 22:45:24,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-15 22:45:24,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 22:45:24,948 INFO L87 Difference]: Start difference. First operand 7448 states and 9998 transitions. Second operand has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:45:25,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 22:45:25,133 INFO L93 Difference]: Finished difference Result 15063 states and 20227 transitions. [2023-02-15 22:45:25,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-15 22:45:25,133 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 200 [2023-02-15 22:45:25,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 22:45:25,146 INFO L225 Difference]: With dead ends: 15063 [2023-02-15 22:45:25,146 INFO L226 Difference]: Without dead ends: 7636 [2023-02-15 22:45:25,153 INFO L412 NwaCegarLoop]: 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 [2023-02-15 22:45:25,154 INFO L413 NwaCegarLoop]: 199 mSDtfsCounter, 63 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-15 22:45:25,155 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 278 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-15 22:45:25,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7636 states. [2023-02-15 22:45:25,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7636 to 7512. [2023-02-15 22:45:25,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7512 states, 7505 states have (on average 1.3305796135909393) internal successors, (9986), 7511 states have internal predecessors, (9986), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:45:25,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7512 states to 7512 states and 9986 transitions. [2023-02-15 22:45:25,372 INFO L78 Accepts]: Start accepts. Automaton has 7512 states and 9986 transitions. Word has length 200 [2023-02-15 22:45:25,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 22:45:25,372 INFO L495 AbstractCegarLoop]: Abstraction has 7512 states and 9986 transitions. [2023-02-15 22:45:25,372 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:45:25,372 INFO L276 IsEmpty]: Start isEmpty. Operand 7512 states and 9986 transitions. [2023-02-15 22:45:25,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2023-02-15 22:45:25,374 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 22:45:25,375 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 22:45:25,375 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-02-15 22:45:25,376 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-02-15 22:45:25,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 22:45:25,376 INFO L85 PathProgramCache]: Analyzing trace with hash -1789334289, now seen corresponding path program 1 times [2023-02-15 22:45:25,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 22:45:25,376 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387308885] [2023-02-15 22:45:25,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 22:45:25,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 22:45:25,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 22:45:25,417 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 215 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2023-02-15 22:45:25,417 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 22:45:25,418 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [387308885] [2023-02-15 22:45:25,418 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [387308885] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 22:45:25,418 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 22:45:25,418 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-15 22:45:25,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760070425] [2023-02-15 22:45:25,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 22:45:25,418 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-15 22:45:25,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 22:45:25,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-15 22:45:25,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 22:45:25,419 INFO L87 Difference]: Start difference. First operand 7512 states and 9986 transitions. Second operand has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:45:25,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 22:45:25,532 INFO L93 Difference]: Finished difference Result 14782 states and 19646 transitions. [2023-02-15 22:45:25,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-15 22:45:25,533 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 204 [2023-02-15 22:45:25,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 22:45:25,545 INFO L225 Difference]: With dead ends: 14782 [2023-02-15 22:45:25,545 INFO L226 Difference]: Without dead ends: 7291 [2023-02-15 22:45:25,553 INFO L412 NwaCegarLoop]: 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 [2023-02-15 22:45:25,553 INFO L413 NwaCegarLoop]: 328 mSDtfsCounter, 135 mSDsluCounter, 188 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 516 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-15 22:45:25,553 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 516 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-15 22:45:25,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7291 states. [2023-02-15 22:45:25,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7291 to 7287. [2023-02-15 22:45:25,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7287 states, 7280 states have (on average 1.3292582417582417) internal successors, (9677), 7286 states have internal predecessors, (9677), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:45:25,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7287 states to 7287 states and 9677 transitions. [2023-02-15 22:45:25,691 INFO L78 Accepts]: Start accepts. Automaton has 7287 states and 9677 transitions. Word has length 204 [2023-02-15 22:45:25,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 22:45:25,691 INFO L495 AbstractCegarLoop]: Abstraction has 7287 states and 9677 transitions. [2023-02-15 22:45:25,691 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:45:25,691 INFO L276 IsEmpty]: Start isEmpty. Operand 7287 states and 9677 transitions. [2023-02-15 22:45:25,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2023-02-15 22:45:25,694 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 22:45:25,694 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 22:45:25,694 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-02-15 22:45:25,694 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-02-15 22:45:25,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 22:45:25,695 INFO L85 PathProgramCache]: Analyzing trace with hash 668248751, now seen corresponding path program 1 times [2023-02-15 22:45:25,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 22:45:25,695 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2062133375] [2023-02-15 22:45:25,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 22:45:25,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 22:45:25,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 22:45:25,724 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2023-02-15 22:45:25,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 22:45:25,724 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2062133375] [2023-02-15 22:45:25,725 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2062133375] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 22:45:25,725 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 22:45:25,725 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-15 22:45:25,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974506710] [2023-02-15 22:45:25,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 22:45:25,725 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-15 22:45:25,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 22:45:25,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-15 22:45:25,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 22:45:25,726 INFO L87 Difference]: Start difference. First operand 7287 states and 9677 transitions. Second operand has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:45:25,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 22:45:25,887 INFO L93 Difference]: Finished difference Result 12718 states and 16890 transitions. [2023-02-15 22:45:25,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-15 22:45:25,888 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 204 [2023-02-15 22:45:25,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 22:45:25,902 INFO L225 Difference]: With dead ends: 12718 [2023-02-15 22:45:25,902 INFO L226 Difference]: Without dead ends: 5452 [2023-02-15 22:45:25,911 INFO L412 NwaCegarLoop]: 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 [2023-02-15 22:45:25,912 INFO L413 NwaCegarLoop]: 214 mSDtfsCounter, 10 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 406 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-15 22:45:25,916 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 406 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-15 22:45:25,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5452 states. [2023-02-15 22:45:26,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5452 to 5452. [2023-02-15 22:45:26,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5452 states, 5445 states have (on average 1.3289256198347108) internal successors, (7236), 5451 states have internal predecessors, (7236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:45:26,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5452 states to 5452 states and 7236 transitions. [2023-02-15 22:45:26,047 INFO L78 Accepts]: Start accepts. Automaton has 5452 states and 7236 transitions. Word has length 204 [2023-02-15 22:45:26,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 22:45:26,047 INFO L495 AbstractCegarLoop]: Abstraction has 5452 states and 7236 transitions. [2023-02-15 22:45:26,047 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:45:26,047 INFO L276 IsEmpty]: Start isEmpty. Operand 5452 states and 7236 transitions. [2023-02-15 22:45:26,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2023-02-15 22:45:26,049 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 22:45:26,050 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 22:45:26,050 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-02-15 22:45:26,050 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-02-15 22:45:26,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 22:45:26,050 INFO L85 PathProgramCache]: Analyzing trace with hash 2142765353, now seen corresponding path program 1 times [2023-02-15 22:45:26,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 22:45:26,051 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039395569] [2023-02-15 22:45:26,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 22:45:26,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 22:45:26,062 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-02-15 22:45:26,062 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [295149542] [2023-02-15 22:45:26,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 22:45:26,063 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 22:45:26,063 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 22:45:26,064 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-15 22:45:26,066 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-02-15 22:45:26,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 22:45:26,146 INFO L263 TraceCheckSpWp]: Trace formula consists of 386 conjuncts, 2 conjunts are in the unsatisfiable core [2023-02-15 22:45:26,148 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 22:45:26,163 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2023-02-15 22:45:26,164 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-02-15 22:45:26,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 22:45:26,164 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1039395569] [2023-02-15 22:45:26,164 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-02-15 22:45:26,164 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [295149542] [2023-02-15 22:45:26,165 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [295149542] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 22:45:26,165 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 22:45:26,165 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-15 22:45:26,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094610557] [2023-02-15 22:45:26,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 22:45:26,165 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-15 22:45:26,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 22:45:26,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-15 22:45:26,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 22:45:26,166 INFO L87 Difference]: Start difference. First operand 5452 states and 7236 transitions. Second operand has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:45:26,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 22:45:26,339 INFO L93 Difference]: Finished difference Result 10958 states and 14428 transitions. [2023-02-15 22:45:26,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-15 22:45:26,340 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 208 [2023-02-15 22:45:26,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 22:45:26,348 INFO L225 Difference]: With dead ends: 10958 [2023-02-15 22:45:26,349 INFO L226 Difference]: Without dead ends: 4816 [2023-02-15 22:45:26,354 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 22:45:26,354 INFO L413 NwaCegarLoop]: 216 mSDtfsCounter, 28 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 318 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-15 22:45:26,355 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 318 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-15 22:45:26,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4816 states. [2023-02-15 22:45:26,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4816 to 4727. [2023-02-15 22:45:26,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4727 states, 4720 states have (on average 1.3122881355932203) internal successors, (6194), 4726 states have internal predecessors, (6194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:45:26,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4727 states to 4727 states and 6194 transitions. [2023-02-15 22:45:26,474 INFO L78 Accepts]: Start accepts. Automaton has 4727 states and 6194 transitions. Word has length 208 [2023-02-15 22:45:26,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 22:45:26,475 INFO L495 AbstractCegarLoop]: Abstraction has 4727 states and 6194 transitions. [2023-02-15 22:45:26,475 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:45:26,475 INFO L276 IsEmpty]: Start isEmpty. Operand 4727 states and 6194 transitions. [2023-02-15 22:45:26,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2023-02-15 22:45:26,477 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 22:45:26,478 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2023-02-15 22:45:26,493 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-02-15 22:45:26,682 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2023-02-15 22:45:26,683 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-02-15 22:45:26,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 22:45:26,684 INFO L85 PathProgramCache]: Analyzing trace with hash 1108820379, now seen corresponding path program 1 times [2023-02-15 22:45:26,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 22:45:26,684 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506142921] [2023-02-15 22:45:26,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 22:45:26,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 22:45:26,696 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-02-15 22:45:26,696 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2137118600] [2023-02-15 22:45:26,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 22:45:26,696 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 22:45:26,697 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 22:45:26,698 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-15 22:45:26,700 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-02-15 22:45:26,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 22:45:26,781 INFO L263 TraceCheckSpWp]: Trace formula consists of 396 conjuncts, 3 conjunts are in the unsatisfiable core [2023-02-15 22:45:26,785 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 22:45:26,844 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 318 proven. 26 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-02-15 22:45:26,845 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-15 22:45:26,908 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 318 proven. 26 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-02-15 22:45:26,908 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 22:45:26,908 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506142921] [2023-02-15 22:45:26,908 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-02-15 22:45:26,908 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2137118600] [2023-02-15 22:45:26,909 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2137118600] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-15 22:45:26,909 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-02-15 22:45:26,909 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2023-02-15 22:45:26,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318445063] [2023-02-15 22:45:26,909 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-02-15 22:45:26,910 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-02-15 22:45:26,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 22:45:26,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-02-15 22:45:26,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-02-15 22:45:26,911 INFO L87 Difference]: Start difference. First operand 4727 states and 6194 transitions. Second operand has 6 states, 6 states have (on average 37.0) internal successors, (222), 6 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:45:27,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 22:45:27,134 INFO L93 Difference]: Finished difference Result 6907 states and 8924 transitions. [2023-02-15 22:45:27,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-02-15 22:45:27,135 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 37.0) internal successors, (222), 6 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 220 [2023-02-15 22:45:27,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 22:45:27,138 INFO L225 Difference]: With dead ends: 6907 [2023-02-15 22:45:27,139 INFO L226 Difference]: Without dead ends: 1993 [2023-02-15 22:45:27,142 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 440 GetRequests, 435 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-02-15 22:45:27,142 INFO L413 NwaCegarLoop]: 224 mSDtfsCounter, 131 mSDsluCounter, 264 mSDsCounter, 0 mSdLazyCounter, 235 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 488 SdHoareTripleChecker+Invalid, 258 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-02-15 22:45:27,143 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 488 Invalid, 258 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 235 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-02-15 22:45:27,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1993 states. [2023-02-15 22:45:27,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1993 to 1983. [2023-02-15 22:45:27,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1983 states, 1978 states have (on average 1.2522750252780586) internal successors, (2477), 1982 states have internal predecessors, (2477), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:45:27,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1983 states to 1983 states and 2477 transitions. [2023-02-15 22:45:27,189 INFO L78 Accepts]: Start accepts. Automaton has 1983 states and 2477 transitions. Word has length 220 [2023-02-15 22:45:27,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 22:45:27,189 INFO L495 AbstractCegarLoop]: Abstraction has 1983 states and 2477 transitions. [2023-02-15 22:45:27,189 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 37.0) internal successors, (222), 6 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:45:27,189 INFO L276 IsEmpty]: Start isEmpty. Operand 1983 states and 2477 transitions. [2023-02-15 22:45:27,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2023-02-15 22:45:27,191 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 22:45:27,192 INFO L195 NwaCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 22:45:27,221 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-02-15 22:45:27,405 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2023-02-15 22:45:27,405 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-02-15 22:45:27,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 22:45:27,405 INFO L85 PathProgramCache]: Analyzing trace with hash 668179624, now seen corresponding path program 1 times [2023-02-15 22:45:27,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 22:45:27,406 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803300263] [2023-02-15 22:45:27,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 22:45:27,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 22:45:27,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 22:45:27,501 INFO L134 CoverageAnalysis]: Checked inductivity of 1163 backedges. 699 proven. 0 refuted. 0 times theorem prover too weak. 464 trivial. 0 not checked. [2023-02-15 22:45:27,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 22:45:27,502 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803300263] [2023-02-15 22:45:27,502 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1803300263] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 22:45:27,502 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 22:45:27,502 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-15 22:45:27,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299042633] [2023-02-15 22:45:27,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 22:45:27,503 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-15 22:45:27,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 22:45:27,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-15 22:45:27,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 22:45:27,504 INFO L87 Difference]: Start difference. First operand 1983 states and 2477 transitions. Second operand has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:45:27,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 22:45:27,618 INFO L93 Difference]: Finished difference Result 4197 states and 5237 transitions. [2023-02-15 22:45:27,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-15 22:45:27,619 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 336 [2023-02-15 22:45:27,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 22:45:27,623 INFO L225 Difference]: With dead ends: 4197 [2023-02-15 22:45:27,623 INFO L226 Difference]: Without dead ends: 2235 [2023-02-15 22:45:27,625 INFO L412 NwaCegarLoop]: 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 [2023-02-15 22:45:27,625 INFO L413 NwaCegarLoop]: 198 mSDtfsCounter, 11 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 296 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-15 22:45:27,625 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 296 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-15 22:45:27,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2235 states. [2023-02-15 22:45:27,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2235 to 2221. [2023-02-15 22:45:27,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2221 states, 2216 states have (on average 1.2409747292418774) internal successors, (2750), 2220 states have internal predecessors, (2750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:45:27,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2221 states to 2221 states and 2750 transitions. [2023-02-15 22:45:27,676 INFO L78 Accepts]: Start accepts. Automaton has 2221 states and 2750 transitions. Word has length 336 [2023-02-15 22:45:27,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 22:45:27,677 INFO L495 AbstractCegarLoop]: Abstraction has 2221 states and 2750 transitions. [2023-02-15 22:45:27,677 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:45:27,677 INFO L276 IsEmpty]: Start isEmpty. Operand 2221 states and 2750 transitions. [2023-02-15 22:45:27,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 368 [2023-02-15 22:45:27,679 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 22:45:27,679 INFO L195 NwaCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 22:45:27,680 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2023-02-15 22:45:27,680 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-02-15 22:45:27,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 22:45:27,680 INFO L85 PathProgramCache]: Analyzing trace with hash 1247487280, now seen corresponding path program 1 times [2023-02-15 22:45:27,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 22:45:27,681 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623421779] [2023-02-15 22:45:27,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 22:45:27,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 22:45:27,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 22:45:27,744 INFO L134 CoverageAnalysis]: Checked inductivity of 1423 backedges. 823 proven. 0 refuted. 0 times theorem prover too weak. 600 trivial. 0 not checked. [2023-02-15 22:45:27,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 22:45:27,745 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623421779] [2023-02-15 22:45:27,745 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [623421779] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 22:45:27,745 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 22:45:27,745 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-15 22:45:27,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620436188] [2023-02-15 22:45:27,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 22:45:27,746 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-15 22:45:27,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 22:45:27,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-15 22:45:27,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 22:45:27,746 INFO L87 Difference]: Start difference. First operand 2221 states and 2750 transitions. Second operand has 3 states, 3 states have (on average 56.0) internal successors, (168), 3 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:45:27,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 22:45:27,855 INFO L93 Difference]: Finished difference Result 4409 states and 5457 transitions. [2023-02-15 22:45:27,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-15 22:45:27,856 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 56.0) internal successors, (168), 3 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 367 [2023-02-15 22:45:27,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 22:45:27,859 INFO L225 Difference]: With dead ends: 4409 [2023-02-15 22:45:27,859 INFO L226 Difference]: Without dead ends: 2209 [2023-02-15 22:45:27,861 INFO L412 NwaCegarLoop]: 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 [2023-02-15 22:45:27,861 INFO L413 NwaCegarLoop]: 195 mSDtfsCounter, 11 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 292 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-15 22:45:27,861 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 292 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-15 22:45:27,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2209 states. [2023-02-15 22:45:27,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2209 to 1919. [2023-02-15 22:45:27,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1919 states, 1914 states have (on average 1.2377220480668756) internal successors, (2369), 1918 states have internal predecessors, (2369), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:45:27,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1919 states to 1919 states and 2369 transitions. [2023-02-15 22:45:27,895 INFO L78 Accepts]: Start accepts. Automaton has 1919 states and 2369 transitions. Word has length 367 [2023-02-15 22:45:27,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 22:45:27,896 INFO L495 AbstractCegarLoop]: Abstraction has 1919 states and 2369 transitions. [2023-02-15 22:45:27,896 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.0) internal successors, (168), 3 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:45:27,896 INFO L276 IsEmpty]: Start isEmpty. Operand 1919 states and 2369 transitions. [2023-02-15 22:45:27,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 401 [2023-02-15 22:45:27,898 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 22:45:27,898 INFO L195 NwaCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 22:45:27,898 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2023-02-15 22:45:27,899 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-02-15 22:45:27,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 22:45:27,899 INFO L85 PathProgramCache]: Analyzing trace with hash -1284808221, now seen corresponding path program 1 times [2023-02-15 22:45:27,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 22:45:27,899 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834615998] [2023-02-15 22:45:27,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 22:45:27,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 22:45:27,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 22:45:27,994 INFO L134 CoverageAnalysis]: Checked inductivity of 1718 backedges. 353 proven. 7 refuted. 0 times theorem prover too weak. 1358 trivial. 0 not checked. [2023-02-15 22:45:27,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 22:45:27,994 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [834615998] [2023-02-15 22:45:27,994 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [834615998] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-15 22:45:27,994 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [989986537] [2023-02-15 22:45:27,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 22:45:27,994 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 22:45:27,995 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 22:45:28,011 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-15 22:45:28,085 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-02-15 22:45:28,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 22:45:28,174 INFO L263 TraceCheckSpWp]: Trace formula consists of 656 conjuncts, 3 conjunts are in the unsatisfiable core [2023-02-15 22:45:28,177 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 22:45:28,228 INFO L134 CoverageAnalysis]: Checked inductivity of 1718 backedges. 353 proven. 7 refuted. 0 times theorem prover too weak. 1358 trivial. 0 not checked. [2023-02-15 22:45:28,228 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-15 22:45:28,275 INFO L134 CoverageAnalysis]: Checked inductivity of 1718 backedges. 353 proven. 7 refuted. 0 times theorem prover too weak. 1358 trivial. 0 not checked. [2023-02-15 22:45:28,275 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [989986537] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-15 22:45:28,275 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-15 22:45:28,276 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2023-02-15 22:45:28,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022342013] [2023-02-15 22:45:28,276 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-15 22:45:28,276 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-02-15 22:45:28,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 22:45:28,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-02-15 22:45:28,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-02-15 22:45:28,277 INFO L87 Difference]: Start difference. First operand 1919 states and 2369 transitions. Second operand has 8 states, 8 states have (on average 27.125) internal successors, (217), 8 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:45:28,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 22:45:28,416 INFO L93 Difference]: Finished difference Result 2468 states and 3038 transitions. [2023-02-15 22:45:28,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-15 22:45:28,417 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 27.125) internal successors, (217), 8 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 400 [2023-02-15 22:45:28,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 22:45:28,418 INFO L225 Difference]: With dead ends: 2468 [2023-02-15 22:45:28,418 INFO L226 Difference]: Without dead ends: 0 [2023-02-15 22:45:28,419 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 804 GetRequests, 797 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2023-02-15 22:45:28,419 INFO L413 NwaCegarLoop]: 201 mSDtfsCounter, 72 mSDsluCounter, 624 mSDsCounter, 0 mSdLazyCounter, 229 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 825 SdHoareTripleChecker+Invalid, 249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 229 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-15 22:45:28,420 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 825 Invalid, 249 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 229 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-15 22:45:28,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-02-15 22:45:28,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-02-15 22:45:28,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:45:28,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-02-15 22:45:28,420 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 400 [2023-02-15 22:45:28,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 22:45:28,421 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-02-15 22:45:28,421 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 27.125) internal successors, (217), 8 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:45:28,421 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-02-15 22:45:28,421 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-02-15 22:45:28,423 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2023-02-15 22:45:28,423 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2023-02-15 22:45:28,423 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2023-02-15 22:45:28,424 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2023-02-15 22:45:28,424 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2023-02-15 22:45:28,424 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2023-02-15 22:45:28,424 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2023-02-15 22:45:28,424 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2023-02-15 22:45:28,429 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2023-02-15 22:45:28,630 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 22:45:28,632 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-02-15 22:45:30,619 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 274) no Hoare annotation was computed. [2023-02-15 22:45:30,619 INFO L899 garLoopResultBuilder]: For program point L531(lines 531 536) no Hoare annotation was computed. [2023-02-15 22:45:30,619 INFO L899 garLoopResultBuilder]: For program point L399(lines 399 405) no Hoare annotation was computed. [2023-02-15 22:45:30,620 INFO L899 garLoopResultBuilder]: For program point L366(lines 366 385) no Hoare annotation was computed. [2023-02-15 22:45:30,620 INFO L895 garLoopResultBuilder]: At program point ssl3_accept_switch_1_8593#1(lines 184 611) the Hoare annotation is: (and (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8640) (= 2 |ULTIMATE.start_ssl3_accept_~blastFlag~0#1|) (<= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 8576) (<= 8576 |ULTIMATE.start_ssl3_accept_~s__state~0#1|) (<= 8576 |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1|)) [2023-02-15 22:45:30,621 INFO L899 garLoopResultBuilder]: For program point L565(lines 565 569) no Hoare annotation was computed. [2023-02-15 22:45:30,621 INFO L899 garLoopResultBuilder]: For program point L499(lines 499 503) no Hoare annotation was computed. [2023-02-15 22:45:30,622 INFO L899 garLoopResultBuilder]: For program point L367(lines 367 371) no Hoare annotation was computed. [2023-02-15 22:45:30,622 INFO L899 garLoopResultBuilder]: For program point L367-2(lines 366 383) no Hoare annotation was computed. [2023-02-15 22:45:30,622 INFO L895 garLoopResultBuilder]: At program point ssl3_accept_switch_1_8529#1(lines 157 620) the Hoare annotation is: (and (= 2 |ULTIMATE.start_ssl3_accept_~blastFlag~0#1|) (<= 8496 |ULTIMATE.start_ssl3_accept_~s__state~0#1|) (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8576)) [2023-02-15 22:45:30,622 INFO L899 garLoopResultBuilder]: For program point L202(lines 202 605) no Hoare annotation was computed. [2023-02-15 22:45:30,622 INFO L899 garLoopResultBuilder]: For program point L169(lines 169 616) no Hoare annotation was computed. [2023-02-15 22:45:30,622 INFO L899 garLoopResultBuilder]: For program point L136(lines 136 627) no Hoare annotation was computed. [2023-02-15 22:45:30,623 INFO L899 garLoopResultBuilder]: For program point L467(lines 467 471) no Hoare annotation was computed. [2023-02-15 22:45:30,623 INFO L895 garLoopResultBuilder]: At program point ssl3_accept_switch_1_8497#1(lines 145 624) the Hoare annotation is: (let ((.cse0 (<= 8496 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse1 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8576))) (or (and (= 2 |ULTIMATE.start_ssl3_accept_~blastFlag~0#1|) .cse0 .cse1) (and (= 1 |ULTIMATE.start_ssl3_accept_~blastFlag~0#1|) .cse0 .cse1))) [2023-02-15 22:45:30,623 INFO L899 garLoopResultBuilder]: For program point L335-1(lines 335 344) no Hoare annotation was computed. [2023-02-15 22:45:30,623 INFO L902 garLoopResultBuilder]: At program point L667(lines 74 684) the Hoare annotation is: true [2023-02-15 22:45:30,624 INFO L895 garLoopResultBuilder]: At program point ssl3_accept_switch_1_8482#1(lines 133 628) the Hoare annotation is: (and (<= 8448 |ULTIMATE.start_ssl3_accept_~s__state~0#1|) (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8496)) [2023-02-15 22:45:30,624 INFO L899 garLoopResultBuilder]: For program point L205(lines 205 604) no Hoare annotation was computed. [2023-02-15 22:45:30,624 INFO L899 garLoopResultBuilder]: For program point L172(lines 172 615) no Hoare annotation was computed. [2023-02-15 22:45:30,624 INFO L899 garLoopResultBuilder]: For program point L139(lines 139 626) no Hoare annotation was computed. [2023-02-15 22:45:30,624 INFO L899 garLoopResultBuilder]: For program point L272(line 272) no Hoare annotation was computed. [2023-02-15 22:45:30,624 INFO L899 garLoopResultBuilder]: For program point L239(lines 239 256) no Hoare annotation was computed. [2023-02-15 22:45:30,625 INFO L899 garLoopResultBuilder]: For program point L272-1(line 272) no Hoare annotation was computed. [2023-02-15 22:45:30,625 INFO L899 garLoopResultBuilder]: For program point L239-2(lines 219 597) no Hoare annotation was computed. [2023-02-15 22:45:30,625 INFO L899 garLoopResultBuilder]: For program point L636(lines 636 664) no Hoare annotation was computed. [2023-02-15 22:45:30,625 INFO L899 garLoopResultBuilder]: For program point L339(lines 339 343) no Hoare annotation was computed. [2023-02-15 22:45:30,625 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 274) no Hoare annotation was computed. [2023-02-15 22:45:30,625 INFO L899 garLoopResultBuilder]: For program point L637(lines 637 661) no Hoare annotation was computed. [2023-02-15 22:45:30,625 INFO L899 garLoopResultBuilder]: For program point L571(lines 571 575) no Hoare annotation was computed. [2023-02-15 22:45:30,626 INFO L899 garLoopResultBuilder]: For program point L538(lines 538 542) no Hoare annotation was computed. [2023-02-15 22:45:30,626 INFO L899 garLoopResultBuilder]: For program point L571-2(lines 571 575) no Hoare annotation was computed. [2023-02-15 22:45:30,626 INFO L899 garLoopResultBuilder]: For program point L472(lines 472 483) no Hoare annotation was computed. [2023-02-15 22:45:30,626 INFO L899 garLoopResultBuilder]: For program point L538-2(lines 219 597) no Hoare annotation was computed. [2023-02-15 22:45:30,626 INFO L899 garLoopResultBuilder]: For program point L439(lines 439 443) no Hoare annotation was computed. [2023-02-15 22:45:30,626 INFO L895 garLoopResultBuilder]: At program point L373(lines 356 391) the Hoare annotation is: (and (= 2 |ULTIMATE.start_ssl3_accept_~blastFlag~0#1|) (<= 8496 |ULTIMATE.start_ssl3_accept_~s__state~0#1|) (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8576)) [2023-02-15 22:45:30,626 INFO L899 garLoopResultBuilder]: For program point L274(line 274) no Hoare annotation was computed. [2023-02-15 22:45:30,626 INFO L899 garLoopResultBuilder]: For program point L241(lines 241 246) no Hoare annotation was computed. [2023-02-15 22:45:30,626 INFO L899 garLoopResultBuilder]: For program point L274-1(line 274) no Hoare annotation was computed. [2023-02-15 22:45:30,627 INFO L899 garLoopResultBuilder]: For program point L208(lines 208 603) no Hoare annotation was computed. [2023-02-15 22:45:30,627 INFO L899 garLoopResultBuilder]: For program point L175(lines 175 614) no Hoare annotation was computed. [2023-02-15 22:45:30,627 INFO L899 garLoopResultBuilder]: For program point L142(lines 142 625) no Hoare annotation was computed. [2023-02-15 22:45:30,629 INFO L895 garLoopResultBuilder]: At program point L109-2(lines 109 666) the Hoare annotation is: (let ((.cse5 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8448)) (.cse3 (<= 8448 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse0 (= 2 |ULTIMATE.start_ssl3_accept_~blastFlag~0#1|)) (.cse1 (<= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 8576)) (.cse2 (<= 8576 |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1|)) (.cse11 (<= 8656 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse12 (<= 8496 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse13 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8496)) (.cse6 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8640)) (.cse8 (not (= |ULTIMATE.start_ssl3_accept_~s__hit~0#1| 0))) (.cse4 (= 3 |ULTIMATE.start_ssl3_accept_~blastFlag~0#1|)) (.cse7 (<= 8640 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse9 (<= 8640 |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1|)) (.cse10 (<= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 8640))) (or (and .cse0 .cse1 (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8608) .cse2) (and .cse3 .cse4 .cse5 (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 3)) (and (= 0 |ULTIMATE.start_ssl3_accept_~blastFlag~0#1|) (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8464)) (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8592)) (and .cse6 .cse0 .cse7) (and .cse0 (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8528)) (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 3) (and .cse3 .cse8 .cse4 .cse5 .cse9 .cse10) (and .cse0 (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8560)) (and .cse11 .cse0 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8656)) (and (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8544) .cse0) (and .cse0 (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8512)) (and .cse0 .cse1 (<= 8576 |ULTIMATE.start_ssl3_accept_~s__state~0#1|) (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8576) .cse2) (and .cse0 .cse12 .cse13) (and .cse3 .cse0 .cse1 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8466) .cse2) (and (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8672) .cse11 .cse4) (and (= 1 |ULTIMATE.start_ssl3_accept_~blastFlag~0#1|) .cse12 .cse13) (and .cse6 .cse8 .cse4 .cse7 .cse9 .cse10))) [2023-02-15 22:45:30,629 INFO L899 garLoopResultBuilder]: For program point L671(lines 671 675) no Hoare annotation was computed. [2023-02-15 22:45:30,630 INFO L899 garLoopResultBuilder]: For program point L638(lines 638 647) no Hoare annotation was computed. [2023-02-15 22:45:30,630 INFO L899 garLoopResultBuilder]: For program point L671-2(lines 671 675) no Hoare annotation was computed. [2023-02-15 22:45:30,632 INFO L899 garLoopResultBuilder]: For program point L638-2(lines 637 659) no Hoare annotation was computed. [2023-02-15 22:45:30,632 INFO L899 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2023-02-15 22:45:30,632 INFO L902 garLoopResultBuilder]: At program point main_returnLabel#1(lines 686 697) the Hoare annotation is: true [2023-02-15 22:45:30,632 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 512) no Hoare annotation was computed. [2023-02-15 22:45:30,632 INFO L899 garLoopResultBuilder]: For program point L375(lines 375 379) no Hoare annotation was computed. [2023-02-15 22:45:30,633 INFO L899 garLoopResultBuilder]: For program point L640(lines 640 644) no Hoare annotation was computed. [2023-02-15 22:45:30,633 INFO L899 garLoopResultBuilder]: For program point L409(lines 409 415) no Hoare annotation was computed. [2023-02-15 22:45:30,633 INFO L895 garLoopResultBuilder]: At program point ssl3_accept_switch_1_8481#1(lines 127 630) the Hoare annotation is: false [2023-02-15 22:45:30,633 INFO L899 garLoopResultBuilder]: For program point L211(lines 211 602) no Hoare annotation was computed. [2023-02-15 22:45:30,633 INFO L899 garLoopResultBuilder]: For program point L178(lines 178 613) no Hoare annotation was computed. [2023-02-15 22:45:30,634 INFO L899 garLoopResultBuilder]: For program point L145(lines 145 624) no Hoare annotation was computed. [2023-02-15 22:45:30,634 INFO L899 garLoopResultBuilder]: For program point L112(lines 112 635) no Hoare annotation was computed. [2023-02-15 22:45:30,634 INFO L899 garLoopResultBuilder]: For program point L476(lines 476 480) no Hoare annotation was computed. [2023-02-15 22:45:30,634 INFO L899 garLoopResultBuilder]: For program point L511(lines 511 515) no Hoare annotation was computed. [2023-02-15 22:45:30,634 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 512) no Hoare annotation was computed. [2023-02-15 22:45:30,634 INFO L899 garLoopResultBuilder]: For program point L511-2(lines 219 597) no Hoare annotation was computed. [2023-02-15 22:45:30,634 INFO L899 garLoopResultBuilder]: For program point L247(lines 247 252) no Hoare annotation was computed. [2023-02-15 22:45:30,634 INFO L899 garLoopResultBuilder]: For program point L214(lines 214 601) no Hoare annotation was computed. [2023-02-15 22:45:30,634 INFO L899 garLoopResultBuilder]: For program point L181(lines 181 612) no Hoare annotation was computed. [2023-02-15 22:45:30,635 INFO L899 garLoopResultBuilder]: For program point L148(lines 148 623) no Hoare annotation was computed. [2023-02-15 22:45:30,635 INFO L899 garLoopResultBuilder]: For program point L115(lines 115 634) no Hoare annotation was computed. [2023-02-15 22:45:30,635 INFO L899 garLoopResultBuilder]: For program point L512(line 512) no Hoare annotation was computed. [2023-02-15 22:45:30,636 INFO L899 garLoopResultBuilder]: For program point L512-1(line 512) no Hoare annotation was computed. [2023-02-15 22:45:30,636 INFO L899 garLoopResultBuilder]: For program point L512-2(line 512) no Hoare annotation was computed. [2023-02-15 22:45:30,636 INFO L899 garLoopResultBuilder]: For program point L512-3(line 512) no Hoare annotation was computed. [2023-02-15 22:45:30,636 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 512) no Hoare annotation was computed. [2023-02-15 22:45:30,636 INFO L899 garLoopResultBuilder]: For program point L83(lines 83 91) no Hoare annotation was computed. [2023-02-15 22:45:30,636 INFO L899 garLoopResultBuilder]: For program point L282(lines 282 286) no Hoare annotation was computed. [2023-02-15 22:45:30,637 INFO L895 garLoopResultBuilder]: At program point ssl3_accept_switch_1_8657#1(lines 202 605) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8672)) (.cse1 (<= 8656 |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (or (and .cse0 .cse1 (= 2 |ULTIMATE.start_ssl3_accept_~blastFlag~0#1|)) (and .cse0 .cse1 (= 3 |ULTIMATE.start_ssl3_accept_~blastFlag~0#1|)))) [2023-02-15 22:45:30,637 INFO L899 garLoopResultBuilder]: For program point L316(lines 316 320) no Hoare annotation was computed. [2023-02-15 22:45:30,637 INFO L899 garLoopResultBuilder]: For program point L316-2(lines 219 597) no Hoare annotation was computed. [2023-02-15 22:45:30,637 INFO L899 garLoopResultBuilder]: For program point L184(lines 184 611) no Hoare annotation was computed. [2023-02-15 22:45:30,638 INFO L899 garLoopResultBuilder]: For program point L151(lines 151 622) no Hoare annotation was computed. [2023-02-15 22:45:30,638 INFO L899 garLoopResultBuilder]: For program point L118(lines 118 633) no Hoare annotation was computed. [2023-02-15 22:45:30,638 INFO L899 garLoopResultBuilder]: For program point L581(lines 581 591) no Hoare annotation was computed. [2023-02-15 22:45:30,638 INFO L899 garLoopResultBuilder]: For program point L581-1(lines 581 591) no Hoare annotation was computed. [2023-02-15 22:45:30,638 INFO L899 garLoopResultBuilder]: For program point L449-1(lines 449 461) no Hoare annotation was computed. [2023-02-15 22:45:30,638 INFO L899 garLoopResultBuilder]: For program point L86(lines 86 90) no Hoare annotation was computed. [2023-02-15 22:45:30,638 INFO L899 garLoopResultBuilder]: For program point L86-2(lines 83 91) no Hoare annotation was computed. [2023-02-15 22:45:30,638 INFO L895 garLoopResultBuilder]: At program point L417(lines 408 428) the Hoare annotation is: (and (= 2 |ULTIMATE.start_ssl3_accept_~blastFlag~0#1|) (<= 8496 |ULTIMATE.start_ssl3_accept_~s__state~0#1|) (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8576)) [2023-02-15 22:45:30,638 INFO L899 garLoopResultBuilder]: For program point L351(lines 351 355) no Hoare annotation was computed. [2023-02-15 22:45:30,638 INFO L899 garLoopResultBuilder]: For program point L351-2(lines 219 597) no Hoare annotation was computed. [2023-02-15 22:45:30,639 INFO L902 garLoopResultBuilder]: At program point L682(lines 74 684) the Hoare annotation is: true [2023-02-15 22:45:30,639 INFO L899 garLoopResultBuilder]: For program point L649(lines 649 655) no Hoare annotation was computed. [2023-02-15 22:45:30,639 INFO L899 garLoopResultBuilder]: For program point L550(lines 550 555) no Hoare annotation was computed. [2023-02-15 22:45:30,639 INFO L899 garLoopResultBuilder]: For program point L187(lines 187 610) no Hoare annotation was computed. [2023-02-15 22:45:30,639 INFO L899 garLoopResultBuilder]: For program point L154(lines 154 621) no Hoare annotation was computed. [2023-02-15 22:45:30,639 INFO L899 garLoopResultBuilder]: For program point L121(lines 121 632) no Hoare annotation was computed. [2023-02-15 22:45:30,639 INFO L902 garLoopResultBuilder]: At program point ssl3_accept_switch_1_3#1(lines 214 601) the Hoare annotation is: true [2023-02-15 22:45:30,639 INFO L899 garLoopResultBuilder]: For program point L584(lines 584 588) no Hoare annotation was computed. [2023-02-15 22:45:30,639 INFO L899 garLoopResultBuilder]: For program point L452(lines 452 457) no Hoare annotation was computed. [2023-02-15 22:45:30,641 INFO L895 garLoopResultBuilder]: At program point $Ultimate##173(lines 449 461) the Hoare annotation is: (let ((.cse1 (= 3 |ULTIMATE.start_ssl3_accept_~blastFlag~0#1|)) (.cse0 (<= 8448 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse2 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8448))) (or (and .cse0 (not (= |ULTIMATE.start_ssl3_accept_~s__hit~0#1| 0)) .cse1 .cse2 (<= 8640 |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1|) (<= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 8640)) (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 3)) (and .cse0 (= 2 |ULTIMATE.start_ssl3_accept_~blastFlag~0#1|) (<= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 8576) .cse2 (<= 8576 |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1|)))) [2023-02-15 22:45:30,641 INFO L902 garLoopResultBuilder]: At program point ssl3_accept_switch_1_default#1(lines 217 600) the Hoare annotation is: true [2023-02-15 22:45:30,642 INFO L899 garLoopResultBuilder]: For program point L420(lines 420 424) no Hoare annotation was computed. [2023-02-15 22:45:30,642 INFO L895 garLoopResultBuilder]: At program point L222(lines 115 634) the Hoare annotation is: false [2023-02-15 22:45:30,642 INFO L895 garLoopResultBuilder]: At program point ssl3_accept_switch_1_8577#1(lines 178 613) the Hoare annotation is: (and (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8640) (= 2 |ULTIMATE.start_ssl3_accept_~blastFlag~0#1|) (<= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 8576) (<= 8576 |ULTIMATE.start_ssl3_accept_~s__state~0#1|) (<= 8576 |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1|)) [2023-02-15 22:45:30,642 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-02-15 22:45:30,642 INFO L899 garLoopResultBuilder]: For program point L190(lines 190 609) no Hoare annotation was computed. [2023-02-15 22:45:30,642 INFO L899 garLoopResultBuilder]: For program point L157(lines 157 620) no Hoare annotation was computed. [2023-02-15 22:45:30,642 INFO L899 garLoopResultBuilder]: For program point L124(lines 124 631) no Hoare annotation was computed. [2023-02-15 22:45:30,643 INFO L895 garLoopResultBuilder]: At program point ssl3_accept_switch_1_8641#1(lines 196 607) the Hoare annotation is: (let ((.cse0 (not (= |ULTIMATE.start_ssl3_accept_~s__hit~0#1| 0))) (.cse1 (= 2 |ULTIMATE.start_ssl3_accept_~blastFlag~0#1|))) (or (and (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8640) .cse0 .cse1 (<= 8576 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (and .cse0 (= 3 |ULTIMATE.start_ssl3_accept_~blastFlag~0#1|) (= 8640 |ULTIMATE.start_ssl3_accept_~s__state~0#1|) (<= 8640 |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1|) (<= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 8640)) (and .cse1 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8656) (<= 8640 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)))) [2023-02-15 22:45:30,643 INFO L899 garLoopResultBuilder]: For program point L521(lines 521 525) no Hoare annotation was computed. [2023-02-15 22:45:30,643 INFO L899 garLoopResultBuilder]: For program point L488(lines 488 492) no Hoare annotation was computed. [2023-02-15 22:45:30,643 INFO L899 garLoopResultBuilder]: For program point L521-2(lines 521 525) no Hoare annotation was computed. [2023-02-15 22:45:30,645 INFO L902 garLoopResultBuilder]: At program point ssl3_accept_ERROR#1(lines 74 684) the Hoare annotation is: true [2023-02-15 22:45:30,645 INFO L902 garLoopResultBuilder]: At program point ssl3_accept_returnLabel#1(lines 19 685) the Hoare annotation is: true [2023-02-15 22:45:30,645 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 512) no Hoare annotation was computed. [2023-02-15 22:45:30,646 INFO L895 garLoopResultBuilder]: At program point $Ultimate##127(lines 335 344) the Hoare annotation is: (and (= 2 |ULTIMATE.start_ssl3_accept_~blastFlag~0#1|) (<= 8496 |ULTIMATE.start_ssl3_accept_~s__state~0#1|) (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8576)) [2023-02-15 22:45:30,646 INFO L899 garLoopResultBuilder]: For program point L93(lines 93 101) no Hoare annotation was computed. [2023-02-15 22:45:30,646 INFO L899 garLoopResultBuilder]: For program point L93-1(lines 74 684) no Hoare annotation was computed. [2023-02-15 22:45:30,646 INFO L899 garLoopResultBuilder]: For program point L193(lines 193 608) no Hoare annotation was computed. [2023-02-15 22:45:30,646 INFO L899 garLoopResultBuilder]: For program point L160(lines 160 619) no Hoare annotation was computed. [2023-02-15 22:45:30,646 INFO L899 garLoopResultBuilder]: For program point L127(lines 127 630) no Hoare annotation was computed. [2023-02-15 22:45:30,646 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 272) no Hoare annotation was computed. [2023-02-15 22:45:30,646 INFO L899 garLoopResultBuilder]: For program point L94(lines 94 98) no Hoare annotation was computed. [2023-02-15 22:45:30,646 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-02-15 22:45:30,646 INFO L895 garLoopResultBuilder]: At program point ssl3_accept_switch_1_8673#1(lines 208 603) the Hoare annotation is: (and (<= 8656 |ULTIMATE.start_ssl3_accept_~s__state~0#1|) (= 3 |ULTIMATE.start_ssl3_accept_~blastFlag~0#1|) (< |ULTIMATE.start_ssl3_accept_~s__state~0#1| 12292)) [2023-02-15 22:45:30,647 INFO L899 garLoopResultBuilder]: For program point L359(lines 359 390) no Hoare annotation was computed. [2023-02-15 22:45:30,647 INFO L899 garLoopResultBuilder]: For program point L326(lines 326 330) no Hoare annotation was computed. [2023-02-15 22:45:30,647 INFO L899 garLoopResultBuilder]: For program point L326-2(lines 326 330) no Hoare annotation was computed. [2023-02-15 22:45:30,647 INFO L899 garLoopResultBuilder]: For program point L227(lines 227 231) no Hoare annotation was computed. [2023-02-15 22:45:30,647 INFO L899 garLoopResultBuilder]: For program point L227-2(lines 219 597) no Hoare annotation was computed. [2023-02-15 22:45:30,647 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 272) no Hoare annotation was computed. [2023-02-15 22:45:30,647 INFO L895 garLoopResultBuilder]: At program point ssl3_accept_switch_1_8609#1(lines 190 609) the Hoare annotation is: (and (= 2 |ULTIMATE.start_ssl3_accept_~blastFlag~0#1|) (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8608)) [2023-02-15 22:45:30,647 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-02-15 22:45:30,647 INFO L895 garLoopResultBuilder]: At program point $Ultimate##155(lines 397 434) the Hoare annotation is: (and (= 2 |ULTIMATE.start_ssl3_accept_~blastFlag~0#1|) (<= 8496 |ULTIMATE.start_ssl3_accept_~s__state~0#1|) (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8576)) [2023-02-15 22:45:30,648 INFO L895 garLoopResultBuilder]: At program point ssl3_accept_switch_1_8466#1(lines 136 627) the Hoare annotation is: (let ((.cse0 (<= 8448 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse1 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8466))) (or (and .cse0 (= 0 |ULTIMATE.start_ssl3_accept_~blastFlag~0#1|) .cse1) (and .cse0 (= 2 |ULTIMATE.start_ssl3_accept_~blastFlag~0#1|) .cse1))) [2023-02-15 22:45:30,648 INFO L895 garLoopResultBuilder]: At program point ssl3_accept_switch_1_12292#1(lines 112 635) the Hoare annotation is: false [2023-02-15 22:45:30,648 INFO L895 garLoopResultBuilder]: At program point $Ultimate##163(lines 408 428) the Hoare annotation is: (and (= 2 |ULTIMATE.start_ssl3_accept_~blastFlag~0#1|) (<= 8496 |ULTIMATE.start_ssl3_accept_~s__state~0#1|) (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8576)) [2023-02-15 22:45:30,648 INFO L899 garLoopResultBuilder]: For program point L196(lines 196 607) no Hoare annotation was computed. [2023-02-15 22:45:30,648 INFO L899 garLoopResultBuilder]: For program point L163(lines 163 618) no Hoare annotation was computed. [2023-02-15 22:45:30,648 INFO L899 garLoopResultBuilder]: For program point L130(lines 130 629) no Hoare annotation was computed. [2023-02-15 22:45:30,648 INFO L899 garLoopResultBuilder]: For program point L560(lines 560 564) no Hoare annotation was computed. [2023-02-15 22:45:30,649 INFO L899 garLoopResultBuilder]: For program point L362(lines 362 389) no Hoare annotation was computed. [2023-02-15 22:45:30,649 INFO L899 garLoopResultBuilder]: For program point L362-1(lines 362 389) no Hoare annotation was computed. [2023-02-15 22:45:30,649 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-02-15 22:45:30,649 INFO L895 garLoopResultBuilder]: At program point $Ultimate##219(lines 636 664) the Hoare annotation is: (let ((.cse5 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8448)) (.cse3 (<= 8448 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse0 (= 2 |ULTIMATE.start_ssl3_accept_~blastFlag~0#1|)) (.cse1 (<= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 8576)) (.cse2 (<= 8576 |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1|)) (.cse11 (<= 8656 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse12 (<= 8496 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse13 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8496)) (.cse6 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8640)) (.cse8 (not (= |ULTIMATE.start_ssl3_accept_~s__hit~0#1| 0))) (.cse4 (= 3 |ULTIMATE.start_ssl3_accept_~blastFlag~0#1|)) (.cse7 (<= 8640 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse9 (<= 8640 |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1|)) (.cse10 (<= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 8640))) (or (and .cse0 .cse1 (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8608) .cse2) (and .cse3 .cse4 .cse5 (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 3)) (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8592)) (and .cse6 .cse0 .cse7) (and .cse0 (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8528)) (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 3) (and .cse3 .cse8 .cse4 .cse5 .cse9 .cse10) (and .cse0 (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8560)) (and .cse11 .cse0 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8656)) (and (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8544) .cse0) (and .cse0 (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8512)) (and .cse0 .cse1 (<= 8576 |ULTIMATE.start_ssl3_accept_~s__state~0#1|) (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8576) .cse2) (and .cse0 .cse12 .cse13) (and .cse3 .cse0 .cse1 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8466) .cse2) (and (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8672) .cse11 .cse4) (and (= 1 |ULTIMATE.start_ssl3_accept_~blastFlag~0#1|) .cse12 .cse13) (and .cse6 .cse8 .cse4 .cse7 .cse9 .cse10))) [2023-02-15 22:45:30,649 INFO L899 garLoopResultBuilder]: For program point L363(lines 363 386) no Hoare annotation was computed. [2023-02-15 22:45:30,649 INFO L899 garLoopResultBuilder]: For program point L264(lines 264 276) no Hoare annotation was computed. [2023-02-15 22:45:30,649 INFO L895 garLoopResultBuilder]: At program point ssl3_accept_switch_1_8561#1(lines 169 616) the Hoare annotation is: (and (= 2 |ULTIMATE.start_ssl3_accept_~blastFlag~0#1|) (<= 8496 |ULTIMATE.start_ssl3_accept_~s__state~0#1|) (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8576)) [2023-02-15 22:45:30,649 INFO L899 garLoopResultBuilder]: For program point L265(lines 265 270) no Hoare annotation was computed. [2023-02-15 22:45:30,650 INFO L899 garLoopResultBuilder]: For program point L199(lines 199 606) no Hoare annotation was computed. [2023-02-15 22:45:30,650 INFO L899 garLoopResultBuilder]: For program point L166(lines 166 617) no Hoare annotation was computed. [2023-02-15 22:45:30,650 INFO L899 garLoopResultBuilder]: For program point L133(lines 133 628) no Hoare annotation was computed. [2023-02-15 22:45:30,650 INFO L899 garLoopResultBuilder]: For program point L398(lines 398 429) no Hoare annotation was computed. [2023-02-15 22:45:30,650 INFO L899 garLoopResultBuilder]: For program point L299(lines 299 303) no Hoare annotation was computed. [2023-02-15 22:45:30,652 INFO L899 garLoopResultBuilder]: For program point L299-2(lines 219 597) no Hoare annotation was computed. [2023-02-15 22:45:30,655 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 22:45:30,659 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-02-15 22:45:30,691 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.02 10:45:30 BoogieIcfgContainer [2023-02-15 22:45:30,694 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-02-15 22:45:30,695 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-02-15 22:45:30,695 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-02-15 22:45:30,695 INFO L275 PluginConnector]: Witness Printer initialized [2023-02-15 22:45:30,696 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 10:45:14" (3/4) ... [2023-02-15 22:45:30,698 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-02-15 22:45:30,718 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2023-02-15 22:45:30,718 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-02-15 22:45:30,719 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-02-15 22:45:30,719 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-02-15 22:45:30,782 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-02-15 22:45:30,782 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-02-15 22:45:30,783 INFO L158 Benchmark]: Toolchain (without parser) took 17151.20ms. Allocated memory was 117.4MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 80.8MB in the beginning and 857.7MB in the end (delta: -776.9MB). Peak memory consumption was 454.6MB. Max. memory is 16.1GB. [2023-02-15 22:45:30,783 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 96.5MB. Free memory is still 58.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-02-15 22:45:30,783 INFO L158 Benchmark]: CACSL2BoogieTranslator took 235.09ms. Allocated memory is still 117.4MB. Free memory was 80.5MB in the beginning and 65.0MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-02-15 22:45:30,783 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.45ms. Allocated memory is still 117.4MB. Free memory was 64.8MB in the beginning and 61.7MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-02-15 22:45:30,783 INFO L158 Benchmark]: Boogie Preprocessor took 25.26ms. Allocated memory is still 117.4MB. Free memory was 61.7MB in the beginning and 59.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-15 22:45:30,783 INFO L158 Benchmark]: RCFGBuilder took 686.85ms. Allocated memory is still 117.4MB. Free memory was 59.3MB in the beginning and 74.5MB in the end (delta: -15.2MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. [2023-02-15 22:45:30,784 INFO L158 Benchmark]: TraceAbstraction took 16079.84ms. Allocated memory was 117.4MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 73.6MB in the beginning and 865.0MB in the end (delta: -791.4MB). Peak memory consumption was 850.3MB. Max. memory is 16.1GB. [2023-02-15 22:45:30,784 INFO L158 Benchmark]: Witness Printer took 87.17ms. Allocated memory is still 1.4GB. Free memory was 865.0MB in the beginning and 857.7MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-02-15 22:45:30,785 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 96.5MB. Free memory is still 58.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 235.09ms. Allocated memory is still 117.4MB. Free memory was 80.5MB in the beginning and 65.0MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.45ms. Allocated memory is still 117.4MB. Free memory was 64.8MB in the beginning and 61.7MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.26ms. Allocated memory is still 117.4MB. Free memory was 61.7MB in the beginning and 59.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 686.85ms. Allocated memory is still 117.4MB. Free memory was 59.3MB in the beginning and 74.5MB in the end (delta: -15.2MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. * TraceAbstraction took 16079.84ms. Allocated memory was 117.4MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 73.6MB in the beginning and 865.0MB in the end (delta: -791.4MB). Peak memory consumption was 850.3MB. Max. memory is 16.1GB. * Witness Printer took 87.17ms. Allocated memory is still 1.4GB. Free memory was 865.0MB in the beginning and 857.7MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 272]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 272]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 274]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 274]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 512]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 512]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 512]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 512]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 153 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 16.0s, OverallIterations: 30, TraceHistogramMax: 14, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 5.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3983 SdHoareTripleChecker+Valid, 3.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3983 mSDsluCounter, 12466 SdHoareTripleChecker+Invalid, 2.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5660 mSDsCounter, 700 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4622 IncrementalHoareTripleChecker+Invalid, 5322 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 700 mSolverCounterUnsat, 6806 mSDtfsCounter, 4622 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3173 GetRequests, 3111 SyntacticMatches, 2 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8011occurred in iteration=17, InterpolantAutomatonStates: 112, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.4s AutomataMinimizationTime, 30 MinimizatonAttempts, 8400 StatesRemovedByMinimization, 27 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 29 LocationsWithAnnotation, 29 PreInvPairs, 169 NumberOfFragments, 684 HoareAnnotationTreeSize, 29 FomulaSimplifications, 19258 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 29 FomulaSimplificationsInter, 15449 FormulaSimplificationTreeSizeReductionInter, 1.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 5355 NumberOfCodeBlocks, 5355 NumberOfCodeBlocksAsserted, 33 NumberOfCheckSat, 6438 ConstructedInterpolants, 0 QuantifiedInterpolants, 9706 SizeOfPredicates, 5 NumberOfNonLiveVariables, 3717 ConjunctsInSsa, 31 ConjunctsInUnsatCore, 38 InterpolantComputations, 25 PerfectInterpolantSequences, 14638/14799 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 - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 112]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 397]: Loop Invariant Derived loop invariant: (2 == blastFlag && 8496 <= s__state) && s__state <= 8576 - InvariantResult [Line: 74]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 74]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 157]: Loop Invariant Derived loop invariant: (2 == blastFlag && 8496 <= s__state) && s__state <= 8576 - InvariantResult [Line: 408]: Loop Invariant Derived loop invariant: (2 == blastFlag && 8496 <= s__state) && s__state <= 8576 - InvariantResult [Line: 145]: Loop Invariant Derived loop invariant: ((2 == blastFlag && 8496 <= s__state) && s__state <= 8576) || ((1 == blastFlag && 8496 <= s__state) && s__state <= 8576) - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: 2 == blastFlag && s__state == 8608 - InvariantResult [Line: 184]: Loop Invariant Derived loop invariant: (((s__state <= 8640 && 2 == blastFlag) && s__s3__tmp__next_state___0 <= 8576) && 8576 <= s__state) && 8576 <= s__s3__tmp__next_state___0 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: ((8448 <= s__state && 0 == blastFlag) && s__state <= 8466) || ((8448 <= s__state && 2 == blastFlag) && s__state <= 8466) - InvariantResult [Line: 178]: Loop Invariant Derived loop invariant: (((s__state <= 8640 && 2 == blastFlag) && s__s3__tmp__next_state___0 <= 8576) && 8576 <= s__state) && 8576 <= s__s3__tmp__next_state___0 - InvariantResult [Line: 208]: Loop Invariant Derived loop invariant: (8656 <= s__state && 3 == blastFlag) && s__state < 12292 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 636]: Loop Invariant Derived loop invariant: ((((((((((((((((((2 == blastFlag && s__s3__tmp__next_state___0 <= 8576) && s__state == 8608) && 8576 <= s__s3__tmp__next_state___0) || (((8448 <= s__state && 3 == blastFlag) && s__state <= 8448) && s__s3__tmp__next_state___0 == 3)) || (((2 == blastFlag && s__s3__tmp__next_state___0 <= 8576) && 8576 <= s__s3__tmp__next_state___0) && s__state == 8592)) || ((s__state <= 8640 && 2 == blastFlag) && 8640 <= s__state)) || (2 == blastFlag && s__state == 8528)) || s__state <= 3) || (((((8448 <= s__state && !(s__hit == 0)) && 3 == blastFlag) && s__state <= 8448) && 8640 <= s__s3__tmp__next_state___0) && s__s3__tmp__next_state___0 <= 8640)) || (2 == blastFlag && s__state == 8560)) || ((8656 <= s__state && 2 == blastFlag) && s__state <= 8656)) || (s__state == 8544 && 2 == blastFlag)) || (2 == blastFlag && s__state == 8512)) || ((((2 == blastFlag && s__s3__tmp__next_state___0 <= 8576) && 8576 <= s__state) && s__state <= 8576) && 8576 <= s__s3__tmp__next_state___0)) || ((2 == blastFlag && 8496 <= s__state) && s__state <= 8496)) || ((((8448 <= s__state && 2 == blastFlag) && s__s3__tmp__next_state___0 <= 8576) && s__state <= 8466) && 8576 <= s__s3__tmp__next_state___0)) || ((s__state <= 8672 && 8656 <= s__state) && 3 == blastFlag)) || ((1 == blastFlag && 8496 <= s__state) && s__state <= 8496)) || (((((s__state <= 8640 && !(s__hit == 0)) && 3 == blastFlag) && 8640 <= s__state) && 8640 <= s__s3__tmp__next_state___0) && s__s3__tmp__next_state___0 <= 8640) - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: ((((s__state <= 8640 && !(s__hit == 0)) && 2 == blastFlag) && 8576 <= s__state) || ((((!(s__hit == 0) && 3 == blastFlag) && 8640 == s__state) && 8640 <= s__s3__tmp__next_state___0) && s__s3__tmp__next_state___0 <= 8640)) || ((2 == blastFlag && s__state <= 8656) && 8640 <= s__state) - InvariantResult [Line: 115]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 356]: Loop Invariant Derived loop invariant: (2 == blastFlag && 8496 <= s__state) && s__state <= 8576 - InvariantResult [Line: 217]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 133]: Loop Invariant Derived loop invariant: 8448 <= s__state && s__state <= 8496 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: (2 == blastFlag && 8496 <= s__state) && s__state <= 8576 - InvariantResult [Line: 202]: Loop Invariant Derived loop invariant: ((s__state <= 8672 && 8656 <= s__state) && 2 == blastFlag) || ((s__state <= 8672 && 8656 <= s__state) && 3 == blastFlag) - InvariantResult [Line: 449]: Loop Invariant Derived loop invariant: ((((((8448 <= s__state && !(s__hit == 0)) && 3 == blastFlag) && s__state <= 8448) && 8640 <= s__s3__tmp__next_state___0) && s__s3__tmp__next_state___0 <= 8640) || (((8448 <= s__state && 3 == blastFlag) && s__state <= 8448) && s__s3__tmp__next_state___0 == 3)) || ((((8448 <= s__state && 2 == blastFlag) && s__s3__tmp__next_state___0 <= 8576) && s__state <= 8448) && 8576 <= s__s3__tmp__next_state___0) - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: (((((((((((((((((((2 == blastFlag && s__s3__tmp__next_state___0 <= 8576) && s__state == 8608) && 8576 <= s__s3__tmp__next_state___0) || (((8448 <= s__state && 3 == blastFlag) && s__state <= 8448) && s__s3__tmp__next_state___0 == 3)) || (0 == blastFlag && s__state == 8464)) || (((2 == blastFlag && s__s3__tmp__next_state___0 <= 8576) && 8576 <= s__s3__tmp__next_state___0) && s__state == 8592)) || ((s__state <= 8640 && 2 == blastFlag) && 8640 <= s__state)) || (2 == blastFlag && s__state == 8528)) || s__state <= 3) || (((((8448 <= s__state && !(s__hit == 0)) && 3 == blastFlag) && s__state <= 8448) && 8640 <= s__s3__tmp__next_state___0) && s__s3__tmp__next_state___0 <= 8640)) || (2 == blastFlag && s__state == 8560)) || ((8656 <= s__state && 2 == blastFlag) && s__state <= 8656)) || (s__state == 8544 && 2 == blastFlag)) || (2 == blastFlag && s__state == 8512)) || ((((2 == blastFlag && s__s3__tmp__next_state___0 <= 8576) && 8576 <= s__state) && s__state <= 8576) && 8576 <= s__s3__tmp__next_state___0)) || ((2 == blastFlag && 8496 <= s__state) && s__state <= 8496)) || ((((8448 <= s__state && 2 == blastFlag) && s__s3__tmp__next_state___0 <= 8576) && s__state <= 8466) && 8576 <= s__s3__tmp__next_state___0)) || ((s__state <= 8672 && 8656 <= s__state) && 3 == blastFlag)) || ((1 == blastFlag && 8496 <= s__state) && s__state <= 8496)) || (((((s__state <= 8640 && !(s__hit == 0)) && 3 == blastFlag) && 8640 <= s__state) && 8640 <= s__s3__tmp__next_state___0) && s__s3__tmp__next_state___0 <= 8640) - InvariantResult [Line: 214]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 74]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 686]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 408]: Loop Invariant Derived loop invariant: (2 == blastFlag && 8496 <= s__state) && s__state <= 8576 - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: (2 == blastFlag && 8496 <= s__state) && s__state <= 8576 RESULT: Ultimate proved your program to be correct! [2023-02-15 22:45:30,823 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE