./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/bitvector/soft_float_3.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 791161d1 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/bitvector/soft_float_3.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 aa6f3ffe66f40e883b6b9462d3d92566e122af5c88e351ce665cbb8a404d0554 --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-23 13:34:05,780 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 13:34:05,782 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 13:34:05,820 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 13:34:05,820 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 13:34:05,821 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 13:34:05,823 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 13:34:05,825 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 13:34:05,826 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 13:34:05,830 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 13:34:05,831 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 13:34:05,833 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 13:34:05,833 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 13:34:05,834 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 13:34:05,835 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 13:34:05,838 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 13:34:05,839 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 13:34:05,840 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 13:34:05,841 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 13:34:05,846 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 13:34:05,848 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 13:34:05,849 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 13:34:05,849 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 13:34:05,850 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 13:34:05,851 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 13:34:05,853 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 13:34:05,853 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 13:34:05,854 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 13:34:05,854 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 13:34:05,855 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 13:34:05,855 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 13:34:05,856 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 13:34:05,857 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 13:34:05,857 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 13:34:05,858 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 13:34:05,858 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 13:34:05,858 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 13:34:05,859 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 13:34:05,859 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 13:34:05,859 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 13:34:05,860 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 13:34:05,861 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 13:34:05,862 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-07-23 13:34:05,886 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 13:34:05,886 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 13:34:05,886 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 13:34:05,887 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 13:34:05,887 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 13:34:05,887 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 13:34:05,888 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 13:34:05,888 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 13:34:05,888 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 13:34:05,889 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 13:34:05,889 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-23 13:34:05,889 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-23 13:34:05,889 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-23 13:34:05,889 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-23 13:34:05,889 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 13:34:05,890 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 13:34:05,890 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 13:34:05,890 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 13:34:05,890 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-07-23 13:34:05,891 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-23 13:34:05,891 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 13:34:05,891 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 13:34:05,892 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 13:34:05,892 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 13:34:05,892 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 13:34:05,892 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 13:34:05,892 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 13:34:05,892 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 13:34:05,893 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 13:34:05,893 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 13:34:05,893 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-23 13:34:05,893 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-23 13:34:05,893 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 13:34:05,893 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aa6f3ffe66f40e883b6b9462d3d92566e122af5c88e351ce665cbb8a404d0554 [2022-07-23 13:34:06,083 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 13:34:06,104 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 13:34:06,106 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 13:34:06,107 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 13:34:06,107 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 13:34:06,109 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector/soft_float_3.c.cil.c [2022-07-23 13:34:06,160 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/daea2c726/fad71cb64cc5468f92a40c879ecaaa10/FLAG04fb5e7bd [2022-07-23 13:34:06,476 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 13:34:06,479 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/soft_float_3.c.cil.c [2022-07-23 13:34:06,487 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/daea2c726/fad71cb64cc5468f92a40c879ecaaa10/FLAG04fb5e7bd [2022-07-23 13:34:06,890 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/daea2c726/fad71cb64cc5468f92a40c879ecaaa10 [2022-07-23 13:34:06,892 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 13:34:06,893 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 13:34:06,897 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 13:34:06,897 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 13:34:06,900 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 13:34:06,900 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 01:34:06" (1/1) ... [2022-07-23 13:34:06,901 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c562882 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:34:06, skipping insertion in model container [2022-07-23 13:34:06,901 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 01:34:06" (1/1) ... [2022-07-23 13:34:06,906 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 13:34:06,919 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 13:34:07,058 WARN L230 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/soft_float_3.c.cil.c[727,740] [2022-07-23 13:34:07,093 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 13:34:07,098 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 13:34:07,106 WARN L230 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/soft_float_3.c.cil.c[727,740] [2022-07-23 13:34:07,128 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 13:34:07,137 INFO L208 MainTranslator]: Completed translation [2022-07-23 13:34:07,138 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:34:07 WrapperNode [2022-07-23 13:34:07,138 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 13:34:07,138 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-23 13:34:07,139 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-23 13:34:07,139 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-23 13:34:07,155 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:34:07" (1/1) ... [2022-07-23 13:34:07,177 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:34:07" (1/1) ... [2022-07-23 13:34:07,206 INFO L137 Inliner]: procedures = 17, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 196 [2022-07-23 13:34:07,207 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-23 13:34:07,208 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-23 13:34:07,208 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-23 13:34:07,208 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-23 13:34:07,214 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:34:07" (1/1) ... [2022-07-23 13:34:07,214 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:34:07" (1/1) ... [2022-07-23 13:34:07,220 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:34:07" (1/1) ... [2022-07-23 13:34:07,221 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:34:07" (1/1) ... [2022-07-23 13:34:07,230 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:34:07" (1/1) ... [2022-07-23 13:34:07,238 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:34:07" (1/1) ... [2022-07-23 13:34:07,240 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:34:07" (1/1) ... [2022-07-23 13:34:07,244 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-23 13:34:07,246 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-23 13:34:07,246 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-23 13:34:07,246 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-23 13:34:07,247 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:34:07" (1/1) ... [2022-07-23 13:34:07,251 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 13:34:07,259 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 13:34:07,268 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) [2022-07-23 13:34:07,270 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 [2022-07-23 13:34:07,293 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-23 13:34:07,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-23 13:34:07,293 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2022-07-23 13:34:07,293 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2022-07-23 13:34:07,294 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-23 13:34:07,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-23 13:34:07,294 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-07-23 13:34:07,294 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-07-23 13:34:07,388 INFO L234 CfgBuilder]: Building ICFG [2022-07-23 13:34:07,389 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-23 13:34:07,783 INFO L275 CfgBuilder]: Performing block encoding [2022-07-23 13:34:07,788 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-23 13:34:07,790 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-23 13:34:07,792 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 01:34:07 BoogieIcfgContainer [2022-07-23 13:34:07,792 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-23 13:34:07,793 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-23 13:34:07,793 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-23 13:34:07,807 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-23 13:34:07,807 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 01:34:06" (1/3) ... [2022-07-23 13:34:07,807 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c261ac7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 01:34:07, skipping insertion in model container [2022-07-23 13:34:07,808 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:34:07" (2/3) ... [2022-07-23 13:34:07,808 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c261ac7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 01:34:07, skipping insertion in model container [2022-07-23 13:34:07,809 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 01:34:07" (3/3) ... [2022-07-23 13:34:07,809 INFO L111 eAbstractionObserver]: Analyzing ICFG soft_float_3.c.cil.c [2022-07-23 13:34:07,819 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-23 13:34:07,819 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 30 error locations. [2022-07-23 13:34:07,849 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-23 13:34:07,859 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=FINITE_AUTOMATA, 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=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@43aa8b0c, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@676e18e4 [2022-07-23 13:34:07,859 INFO L358 AbstractCegarLoop]: Starting to check reachability of 30 error locations. [2022-07-23 13:34:07,862 INFO L276 IsEmpty]: Start isEmpty. Operand has 143 states, 105 states have (on average 1.8095238095238095) internal successors, (190), 136 states have internal predecessors, (190), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-07-23 13:34:07,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-07-23 13:34:07,867 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 13:34:07,868 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 13:34:07,869 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting base2fltErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-07-23 13:34:07,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 13:34:07,877 INFO L85 PathProgramCache]: Analyzing trace with hash -740111720, now seen corresponding path program 1 times [2022-07-23 13:34:07,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 13:34:07,884 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106700592] [2022-07-23 13:34:07,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 13:34:07,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 13:34:07,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:34:07,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-23 13:34:07,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 13:34:07,985 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [106700592] [2022-07-23 13:34:07,986 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [106700592] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 13:34:07,986 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 13:34:07,986 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-23 13:34:07,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152059088] [2022-07-23 13:34:07,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 13:34:07,990 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-23 13:34:07,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 13:34:08,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-23 13:34:08,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-23 13:34:08,016 INFO L87 Difference]: Start difference. First operand has 143 states, 105 states have (on average 1.8095238095238095) internal successors, (190), 136 states have internal predecessors, (190), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-23 13:34:08,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 13:34:08,065 INFO L93 Difference]: Finished difference Result 281 states and 401 transitions. [2022-07-23 13:34:08,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-23 13:34:08,067 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-07-23 13:34:08,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 13:34:08,077 INFO L225 Difference]: With dead ends: 281 [2022-07-23 13:34:08,077 INFO L226 Difference]: Without dead ends: 117 [2022-07-23 13:34:08,084 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-23 13:34:08,090 INFO L413 NwaCegarLoop]: 183 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 183 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-23 13:34:08,092 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-23 13:34:08,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2022-07-23 13:34:08,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2022-07-23 13:34:08,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 84 states have (on average 1.630952380952381) internal successors, (137), 111 states have internal predecessors, (137), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-07-23 13:34:08,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 145 transitions. [2022-07-23 13:34:08,147 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 145 transitions. Word has length 9 [2022-07-23 13:34:08,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 13:34:08,147 INFO L495 AbstractCegarLoop]: Abstraction has 117 states and 145 transitions. [2022-07-23 13:34:08,148 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-23 13:34:08,148 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 145 transitions. [2022-07-23 13:34:08,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-07-23 13:34:08,149 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 13:34:08,149 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 13:34:08,150 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-23 13:34:08,150 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-07-23 13:34:08,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 13:34:08,151 INFO L85 PathProgramCache]: Analyzing trace with hash -741053068, now seen corresponding path program 1 times [2022-07-23 13:34:08,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 13:34:08,152 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676593632] [2022-07-23 13:34:08,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 13:34:08,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 13:34:08,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:34:08,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-23 13:34:08,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 13:34:08,224 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [676593632] [2022-07-23 13:34:08,225 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [676593632] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 13:34:08,225 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 13:34:08,225 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 13:34:08,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100384101] [2022-07-23 13:34:08,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 13:34:08,228 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-23 13:34:08,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 13:34:08,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-23 13:34:08,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-23 13:34:08,229 INFO L87 Difference]: Start difference. First operand 117 states and 145 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-23 13:34:08,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 13:34:08,323 INFO L93 Difference]: Finished difference Result 296 states and 380 transitions. [2022-07-23 13:34:08,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-23 13:34:08,323 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-07-23 13:34:08,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 13:34:08,328 INFO L225 Difference]: With dead ends: 296 [2022-07-23 13:34:08,328 INFO L226 Difference]: Without dead ends: 182 [2022-07-23 13:34:08,332 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-23 13:34:08,333 INFO L413 NwaCegarLoop]: 133 mSDtfsCounter, 100 mSDsluCounter, 244 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 377 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-23 13:34:08,334 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 377 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-23 13:34:08,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2022-07-23 13:34:08,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 166. [2022-07-23 13:34:08,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 132 states have (on average 1.6363636363636365) internal successors, (216), 159 states have internal predecessors, (216), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-07-23 13:34:08,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 224 transitions. [2022-07-23 13:34:08,352 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 224 transitions. Word has length 9 [2022-07-23 13:34:08,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 13:34:08,354 INFO L495 AbstractCegarLoop]: Abstraction has 166 states and 224 transitions. [2022-07-23 13:34:08,354 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-23 13:34:08,356 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 224 transitions. [2022-07-23 13:34:08,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-07-23 13:34:08,356 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 13:34:08,357 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 13:34:08,357 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-23 13:34:08,357 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting base2fltErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-07-23 13:34:08,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 13:34:08,358 INFO L85 PathProgramCache]: Analyzing trace with hash 1163268503, now seen corresponding path program 1 times [2022-07-23 13:34:08,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 13:34:08,362 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1758397068] [2022-07-23 13:34:08,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 13:34:08,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 13:34:08,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:34:08,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-23 13:34:08,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 13:34:08,438 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1758397068] [2022-07-23 13:34:08,438 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1758397068] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 13:34:08,438 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 13:34:08,438 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-23 13:34:08,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474953948] [2022-07-23 13:34:08,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 13:34:08,439 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-23 13:34:08,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 13:34:08,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-23 13:34:08,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-23 13:34:08,440 INFO L87 Difference]: Start difference. First operand 166 states and 224 transitions. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-23 13:34:08,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 13:34:08,487 INFO L93 Difference]: Finished difference Result 377 states and 513 transitions. [2022-07-23 13:34:08,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 13:34:08,487 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-07-23 13:34:08,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 13:34:08,489 INFO L225 Difference]: With dead ends: 377 [2022-07-23 13:34:08,489 INFO L226 Difference]: Without dead ends: 214 [2022-07-23 13:34:08,489 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-23 13:34:08,490 INFO L413 NwaCegarLoop]: 138 mSDtfsCounter, 33 mSDsluCounter, 257 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 395 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-23 13:34:08,490 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 395 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-23 13:34:08,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2022-07-23 13:34:08,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 189. [2022-07-23 13:34:08,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 189 states, 154 states have (on average 1.6493506493506493) internal successors, (254), 181 states have internal predecessors, (254), 4 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-07-23 13:34:08,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 262 transitions. [2022-07-23 13:34:08,498 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 262 transitions. Word has length 12 [2022-07-23 13:34:08,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 13:34:08,498 INFO L495 AbstractCegarLoop]: Abstraction has 189 states and 262 transitions. [2022-07-23 13:34:08,498 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-23 13:34:08,498 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 262 transitions. [2022-07-23 13:34:08,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-07-23 13:34:08,499 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 13:34:08,499 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 13:34:08,499 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-23 13:34:08,500 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting base2fltErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-07-23 13:34:08,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 13:34:08,500 INFO L85 PathProgramCache]: Analyzing trace with hash 1505632759, now seen corresponding path program 1 times [2022-07-23 13:34:08,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 13:34:08,500 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16878987] [2022-07-23 13:34:08,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 13:34:08,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 13:34:08,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:34:08,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 13:34:08,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:34:08,556 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-23 13:34:08,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 13:34:08,561 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [16878987] [2022-07-23 13:34:08,561 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [16878987] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 13:34:08,561 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1834620054] [2022-07-23 13:34:08,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 13:34:08,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 13:34:08,562 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 13:34:08,574 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) [2022-07-23 13:34:08,581 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-23 13:34:08,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:34:08,624 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-23 13:34:08,627 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 13:34:08,649 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-23 13:34:08,649 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 13:34:08,649 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1834620054] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 13:34:08,649 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-23 13:34:08,650 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 5 [2022-07-23 13:34:08,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436427566] [2022-07-23 13:34:08,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 13:34:08,650 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-23 13:34:08,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 13:34:08,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-23 13:34:08,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-23 13:34:08,651 INFO L87 Difference]: Start difference. First operand 189 states and 262 transitions. Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-23 13:34:08,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 13:34:08,692 INFO L93 Difference]: Finished difference Result 357 states and 479 transitions. [2022-07-23 13:34:08,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 13:34:08,693 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 19 [2022-07-23 13:34:08,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 13:34:08,694 INFO L225 Difference]: With dead ends: 357 [2022-07-23 13:34:08,694 INFO L226 Difference]: Without dead ends: 190 [2022-07-23 13:34:08,694 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 23 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-23 13:34:08,695 INFO L413 NwaCegarLoop]: 148 mSDtfsCounter, 60 mSDsluCounter, 265 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 413 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-23 13:34:08,695 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 413 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-23 13:34:08,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2022-07-23 13:34:08,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 172. [2022-07-23 13:34:08,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 137 states have (on average 1.6496350364963503) internal successors, (226), 164 states have internal predecessors, (226), 4 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-07-23 13:34:08,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 234 transitions. [2022-07-23 13:34:08,702 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 234 transitions. Word has length 19 [2022-07-23 13:34:08,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 13:34:08,702 INFO L495 AbstractCegarLoop]: Abstraction has 172 states and 234 transitions. [2022-07-23 13:34:08,702 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-23 13:34:08,703 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 234 transitions. [2022-07-23 13:34:08,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-07-23 13:34:08,703 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 13:34:08,703 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 13:34:08,720 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-23 13:34:08,919 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 13:34:08,920 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting base2fltErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-07-23 13:34:08,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 13:34:08,920 INFO L85 PathProgramCache]: Analyzing trace with hash 1223519597, now seen corresponding path program 1 times [2022-07-23 13:34:08,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 13:34:08,920 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975389991] [2022-07-23 13:34:08,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 13:34:08,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 13:34:08,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:34:08,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 13:34:08,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:34:08,956 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-23 13:34:08,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 13:34:08,957 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975389991] [2022-07-23 13:34:08,957 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [975389991] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 13:34:08,957 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1444129789] [2022-07-23 13:34:08,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 13:34:08,957 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 13:34:08,958 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 13:34:08,959 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) [2022-07-23 13:34:08,962 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-23 13:34:09,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:34:09,007 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-23 13:34:09,008 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 13:34:09,044 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-23 13:34:09,044 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 13:34:09,045 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1444129789] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 13:34:09,045 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-23 13:34:09,045 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 7 [2022-07-23 13:34:09,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597870534] [2022-07-23 13:34:09,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 13:34:09,048 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 13:34:09,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 13:34:09,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 13:34:09,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-07-23 13:34:09,048 INFO L87 Difference]: Start difference. First operand 172 states and 234 transitions. Second operand has 5 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-23 13:34:09,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 13:34:09,138 INFO L93 Difference]: Finished difference Result 183 states and 238 transitions. [2022-07-23 13:34:09,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-23 13:34:09,138 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 20 [2022-07-23 13:34:09,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 13:34:09,140 INFO L225 Difference]: With dead ends: 183 [2022-07-23 13:34:09,140 INFO L226 Difference]: Without dead ends: 178 [2022-07-23 13:34:09,141 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2022-07-23 13:34:09,142 INFO L413 NwaCegarLoop]: 120 mSDtfsCounter, 102 mSDsluCounter, 338 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 458 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-23 13:34:09,143 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 458 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-23 13:34:09,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2022-07-23 13:34:09,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 170. [2022-07-23 13:34:09,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 137 states have (on average 1.5547445255474452) internal successors, (213), 162 states have internal predecessors, (213), 4 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-07-23 13:34:09,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 221 transitions. [2022-07-23 13:34:09,153 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 221 transitions. Word has length 20 [2022-07-23 13:34:09,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 13:34:09,153 INFO L495 AbstractCegarLoop]: Abstraction has 170 states and 221 transitions. [2022-07-23 13:34:09,153 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-23 13:34:09,153 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 221 transitions. [2022-07-23 13:34:09,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-07-23 13:34:09,154 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 13:34:09,154 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 13:34:09,172 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-23 13:34:09,371 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 13:34:09,372 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting base2fltErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-07-23 13:34:09,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 13:34:09,373 INFO L85 PathProgramCache]: Analyzing trace with hash -725598036, now seen corresponding path program 1 times [2022-07-23 13:34:09,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 13:34:09,373 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271525201] [2022-07-23 13:34:09,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 13:34:09,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 13:34:09,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:34:09,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 13:34:09,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:34:09,441 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-23 13:34:09,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 13:34:09,444 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1271525201] [2022-07-23 13:34:09,444 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1271525201] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 13:34:09,444 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [153472117] [2022-07-23 13:34:09,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 13:34:09,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 13:34:09,445 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 13:34:09,452 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) [2022-07-23 13:34:09,456 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-23 13:34:09,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:34:09,495 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-23 13:34:09,496 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 13:34:09,516 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-07-23 13:34:09,516 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 13:34:09,516 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [153472117] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 13:34:09,516 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-23 13:34:09,516 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2022-07-23 13:34:09,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104788112] [2022-07-23 13:34:09,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 13:34:09,517 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-23 13:34:09,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 13:34:09,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-23 13:34:09,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-07-23 13:34:09,518 INFO L87 Difference]: Start difference. First operand 170 states and 221 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-23 13:34:09,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 13:34:09,571 INFO L93 Difference]: Finished difference Result 208 states and 278 transitions. [2022-07-23 13:34:09,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-23 13:34:09,571 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 21 [2022-07-23 13:34:09,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 13:34:09,572 INFO L225 Difference]: With dead ends: 208 [2022-07-23 13:34:09,573 INFO L226 Difference]: Without dead ends: 203 [2022-07-23 13:34:09,573 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-07-23 13:34:09,573 INFO L413 NwaCegarLoop]: 129 mSDtfsCounter, 32 mSDsluCounter, 221 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 350 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-23 13:34:09,574 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 350 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-23 13:34:09,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2022-07-23 13:34:09,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 187. [2022-07-23 13:34:09,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 155 states have (on average 1.4774193548387098) internal successors, (229), 179 states have internal predecessors, (229), 4 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-07-23 13:34:09,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 237 transitions. [2022-07-23 13:34:09,578 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 237 transitions. Word has length 21 [2022-07-23 13:34:09,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 13:34:09,579 INFO L495 AbstractCegarLoop]: Abstraction has 187 states and 237 transitions. [2022-07-23 13:34:09,579 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-23 13:34:09,579 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 237 transitions. [2022-07-23 13:34:09,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-07-23 13:34:09,580 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 13:34:09,580 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 13:34:09,597 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-07-23 13:34:09,796 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 13:34:09,797 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-07-23 13:34:09,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 13:34:09,797 INFO L85 PathProgramCache]: Analyzing trace with hash -451289022, now seen corresponding path program 1 times [2022-07-23 13:34:09,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 13:34:09,797 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090766851] [2022-07-23 13:34:09,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 13:34:09,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 13:34:09,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:34:09,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 13:34:09,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:34:09,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-23 13:34:09,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:34:09,845 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-23 13:34:09,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 13:34:09,845 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090766851] [2022-07-23 13:34:09,845 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1090766851] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 13:34:09,845 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1957259057] [2022-07-23 13:34:09,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 13:34:09,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 13:34:09,846 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 13:34:09,856 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) [2022-07-23 13:34:09,885 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-07-23 13:34:09,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:34:09,897 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-23 13:34:09,898 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 13:34:09,926 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-23 13:34:09,927 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 13:34:10,015 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-23 13:34:10,015 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1957259057] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-23 13:34:10,015 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-23 13:34:10,015 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 12 [2022-07-23 13:34:10,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524689520] [2022-07-23 13:34:10,016 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-23 13:34:10,016 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-23 13:34:10,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 13:34:10,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-23 13:34:10,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2022-07-23 13:34:10,017 INFO L87 Difference]: Start difference. First operand 187 states and 237 transitions. Second operand has 12 states, 12 states have (on average 4.25) internal successors, (51), 11 states have internal predecessors, (51), 2 states have call successors, (5), 3 states have call predecessors, (5), 4 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2022-07-23 13:34:10,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 13:34:10,552 INFO L93 Difference]: Finished difference Result 821 states and 1067 transitions. [2022-07-23 13:34:10,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-07-23 13:34:10,553 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.25) internal successors, (51), 11 states have internal predecessors, (51), 2 states have call successors, (5), 3 states have call predecessors, (5), 4 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 31 [2022-07-23 13:34:10,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 13:34:10,557 INFO L225 Difference]: With dead ends: 821 [2022-07-23 13:34:10,557 INFO L226 Difference]: Without dead ends: 667 [2022-07-23 13:34:10,558 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 259 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=342, Invalid=714, Unknown=0, NotChecked=0, Total=1056 [2022-07-23 13:34:10,559 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 692 mSDsluCounter, 697 mSDsCounter, 0 mSdLazyCounter, 407 mSolverCounterSat, 120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 692 SdHoareTripleChecker+Valid, 815 SdHoareTripleChecker+Invalid, 527 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 120 IncrementalHoareTripleChecker+Valid, 407 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-23 13:34:10,559 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [692 Valid, 815 Invalid, 527 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [120 Valid, 407 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-23 13:34:10,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 667 states. [2022-07-23 13:34:10,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 667 to 217. [2022-07-23 13:34:10,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 217 states, 185 states have (on average 1.4378378378378378) internal successors, (266), 209 states have internal predecessors, (266), 4 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-07-23 13:34:10,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 274 transitions. [2022-07-23 13:34:10,582 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 274 transitions. Word has length 31 [2022-07-23 13:34:10,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 13:34:10,582 INFO L495 AbstractCegarLoop]: Abstraction has 217 states and 274 transitions. [2022-07-23 13:34:10,582 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.25) internal successors, (51), 11 states have internal predecessors, (51), 2 states have call successors, (5), 3 states have call predecessors, (5), 4 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2022-07-23 13:34:10,583 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 274 transitions. [2022-07-23 13:34:10,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-07-23 13:34:10,587 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 13:34:10,587 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 13:34:10,623 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-07-23 13:34:10,807 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 13:34:10,807 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-07-23 13:34:10,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 13:34:10,808 INFO L85 PathProgramCache]: Analyzing trace with hash -96158884, now seen corresponding path program 1 times [2022-07-23 13:34:10,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 13:34:10,808 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763477756] [2022-07-23 13:34:10,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 13:34:10,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 13:34:10,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:34:10,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 13:34:10,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:34:10,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-23 13:34:10,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:34:10,892 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-07-23 13:34:10,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 13:34:10,903 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [763477756] [2022-07-23 13:34:10,903 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [763477756] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 13:34:10,903 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [606480752] [2022-07-23 13:34:10,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 13:34:10,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 13:34:10,903 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 13:34:10,920 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) [2022-07-23 13:34:10,993 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-07-23 13:34:11,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:34:11,053 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-23 13:34:11,054 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 13:34:11,102 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-07-23 13:34:11,102 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 13:34:11,102 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [606480752] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 13:34:11,102 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-23 13:34:11,102 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 5 [2022-07-23 13:34:11,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743394079] [2022-07-23 13:34:11,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 13:34:11,102 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 13:34:11,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 13:34:11,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 13:34:11,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 13:34:11,103 INFO L87 Difference]: Start difference. First operand 217 states and 274 transitions. Second operand has 5 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-23 13:34:11,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 13:34:11,227 INFO L93 Difference]: Finished difference Result 308 states and 403 transitions. [2022-07-23 13:34:11,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-23 13:34:11,228 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 43 [2022-07-23 13:34:11,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 13:34:11,229 INFO L225 Difference]: With dead ends: 308 [2022-07-23 13:34:11,229 INFO L226 Difference]: Without dead ends: 305 [2022-07-23 13:34:11,229 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-23 13:34:11,229 INFO L413 NwaCegarLoop]: 108 mSDtfsCounter, 212 mSDsluCounter, 250 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 215 SdHoareTripleChecker+Valid, 358 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-23 13:34:11,230 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [215 Valid, 358 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-23 13:34:11,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2022-07-23 13:34:11,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 286. [2022-07-23 13:34:11,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 286 states, 254 states have (on average 1.4645669291338583) internal successors, (372), 277 states have internal predecessors, (372), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-07-23 13:34:11,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 380 transitions. [2022-07-23 13:34:11,237 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 380 transitions. Word has length 43 [2022-07-23 13:34:11,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 13:34:11,237 INFO L495 AbstractCegarLoop]: Abstraction has 286 states and 380 transitions. [2022-07-23 13:34:11,237 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-23 13:34:11,238 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 380 transitions. [2022-07-23 13:34:11,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-07-23 13:34:11,238 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 13:34:11,238 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-07-23 13:34:11,267 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-07-23 13:34:11,467 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 13:34:11,468 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting base2fltErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-07-23 13:34:11,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 13:34:11,468 INFO L85 PathProgramCache]: Analyzing trace with hash -1326924412, now seen corresponding path program 1 times [2022-07-23 13:34:11,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 13:34:11,469 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482670895] [2022-07-23 13:34:11,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 13:34:11,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 13:34:11,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:34:11,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 13:34:11,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:34:11,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-23 13:34:11,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:34:11,560 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-07-23 13:34:11,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 13:34:11,563 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [482670895] [2022-07-23 13:34:11,563 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [482670895] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 13:34:11,564 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [623331098] [2022-07-23 13:34:11,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 13:34:11,564 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 13:34:11,564 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 13:34:11,565 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) [2022-07-23 13:34:11,566 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-07-23 13:34:11,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:34:11,609 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-23 13:34:11,613 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 13:34:11,651 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-07-23 13:34:11,651 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 13:34:11,652 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [623331098] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 13:34:11,652 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-23 13:34:11,652 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 5 [2022-07-23 13:34:11,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53242544] [2022-07-23 13:34:11,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 13:34:11,652 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 13:34:11,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 13:34:11,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 13:34:11,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 13:34:11,653 INFO L87 Difference]: Start difference. First operand 286 states and 380 transitions. Second operand has 5 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-23 13:34:11,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 13:34:11,726 INFO L93 Difference]: Finished difference Result 312 states and 404 transitions. [2022-07-23 13:34:11,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-23 13:34:11,726 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 45 [2022-07-23 13:34:11,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 13:34:11,727 INFO L225 Difference]: With dead ends: 312 [2022-07-23 13:34:11,727 INFO L226 Difference]: Without dead ends: 307 [2022-07-23 13:34:11,728 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-23 13:34:11,729 INFO L413 NwaCegarLoop]: 136 mSDtfsCounter, 165 mSDsluCounter, 293 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 429 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-23 13:34:11,730 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 429 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-23 13:34:11,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2022-07-23 13:34:11,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 266. [2022-07-23 13:34:11,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 266 states, 234 states have (on average 1.4401709401709402) internal successors, (337), 257 states have internal predecessors, (337), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-07-23 13:34:11,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 345 transitions. [2022-07-23 13:34:11,739 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 345 transitions. Word has length 45 [2022-07-23 13:34:11,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 13:34:11,740 INFO L495 AbstractCegarLoop]: Abstraction has 266 states and 345 transitions. [2022-07-23 13:34:11,740 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-23 13:34:11,740 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 345 transitions. [2022-07-23 13:34:11,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-07-23 13:34:11,741 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 13:34:11,741 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 13:34:11,771 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-07-23 13:34:11,958 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 13:34:11,959 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting base2fltErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-07-23 13:34:11,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 13:34:11,959 INFO L85 PathProgramCache]: Analyzing trace with hash 1817189039, now seen corresponding path program 1 times [2022-07-23 13:34:11,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 13:34:11,959 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800158351] [2022-07-23 13:34:11,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 13:34:11,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 13:34:11,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:34:12,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 13:34:12,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:34:12,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-23 13:34:12,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:34:12,059 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-23 13:34:12,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 13:34:12,060 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800158351] [2022-07-23 13:34:12,060 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1800158351] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 13:34:12,060 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 13:34:12,060 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 13:34:12,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179441622] [2022-07-23 13:34:12,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 13:34:12,061 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 13:34:12,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 13:34:12,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 13:34:12,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-23 13:34:12,062 INFO L87 Difference]: Start difference. First operand 266 states and 345 transitions. Second operand has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 5 states have internal predecessors, (41), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-23 13:34:12,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 13:34:12,268 INFO L93 Difference]: Finished difference Result 867 states and 1107 transitions. [2022-07-23 13:34:12,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-23 13:34:12,269 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 5 states have internal predecessors, (41), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 46 [2022-07-23 13:34:12,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 13:34:12,271 INFO L225 Difference]: With dead ends: 867 [2022-07-23 13:34:12,271 INFO L226 Difference]: Without dead ends: 644 [2022-07-23 13:34:12,271 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2022-07-23 13:34:12,271 INFO L413 NwaCegarLoop]: 146 mSDtfsCounter, 336 mSDsluCounter, 274 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 336 SdHoareTripleChecker+Valid, 420 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-23 13:34:12,272 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [336 Valid, 420 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-23 13:34:12,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 644 states. [2022-07-23 13:34:12,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 644 to 266. [2022-07-23 13:34:12,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 266 states, 234 states have (on average 1.435897435897436) internal successors, (336), 257 states have internal predecessors, (336), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-07-23 13:34:12,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 344 transitions. [2022-07-23 13:34:12,296 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 344 transitions. Word has length 46 [2022-07-23 13:34:12,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 13:34:12,297 INFO L495 AbstractCegarLoop]: Abstraction has 266 states and 344 transitions. [2022-07-23 13:34:12,297 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 5 states have internal predecessors, (41), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-23 13:34:12,297 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 344 transitions. [2022-07-23 13:34:12,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-07-23 13:34:12,297 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 13:34:12,298 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 4, 4, 4, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 13:34:12,298 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-23 13:34:12,298 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting base2fltErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-07-23 13:34:12,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 13:34:12,298 INFO L85 PathProgramCache]: Analyzing trace with hash 1400021551, now seen corresponding path program 1 times [2022-07-23 13:34:12,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 13:34:12,299 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036764587] [2022-07-23 13:34:12,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 13:34:12,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 13:34:12,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:34:12,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 13:34:12,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:34:12,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-23 13:34:12,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:34:12,371 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 9 proven. 38 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-23 13:34:12,371 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 13:34:12,371 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2036764587] [2022-07-23 13:34:12,371 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2036764587] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 13:34:12,371 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1893982923] [2022-07-23 13:34:12,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 13:34:12,372 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 13:34:12,372 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 13:34:12,373 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) [2022-07-23 13:34:12,374 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-07-23 13:34:12,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:34:12,416 INFO L263 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-23 13:34:12,417 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 13:34:12,476 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 9 proven. 38 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-23 13:34:12,476 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 13:34:12,620 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 9 proven. 38 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-23 13:34:12,621 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1893982923] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-23 13:34:12,621 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-23 13:34:12,621 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 8] total 21 [2022-07-23 13:34:12,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578472565] [2022-07-23 13:34:12,621 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-23 13:34:12,622 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-07-23 13:34:12,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 13:34:12,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-07-23 13:34:12,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=138, Invalid=282, Unknown=0, NotChecked=0, Total=420 [2022-07-23 13:34:12,623 INFO L87 Difference]: Start difference. First operand 266 states and 344 transitions. Second operand has 21 states, 21 states have (on average 4.714285714285714) internal successors, (99), 20 states have internal predecessors, (99), 2 states have call successors, (5), 3 states have call predecessors, (5), 4 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2022-07-23 13:34:13,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 13:34:13,672 INFO L93 Difference]: Finished difference Result 2114 states and 2736 transitions. [2022-07-23 13:34:13,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-07-23 13:34:13,672 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 4.714285714285714) internal successors, (99), 20 states have internal predecessors, (99), 2 states have call successors, (5), 3 states have call predecessors, (5), 4 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 49 [2022-07-23 13:34:13,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 13:34:13,677 INFO L225 Difference]: With dead ends: 2114 [2022-07-23 13:34:13,677 INFO L226 Difference]: Without dead ends: 1911 [2022-07-23 13:34:13,678 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1061 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=1137, Invalid=2403, Unknown=0, NotChecked=0, Total=3540 [2022-07-23 13:34:13,679 INFO L413 NwaCegarLoop]: 121 mSDtfsCounter, 1534 mSDsluCounter, 1024 mSDsCounter, 0 mSdLazyCounter, 560 mSolverCounterSat, 329 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1534 SdHoareTripleChecker+Valid, 1145 SdHoareTripleChecker+Invalid, 889 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 329 IncrementalHoareTripleChecker+Valid, 560 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-23 13:34:13,679 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1534 Valid, 1145 Invalid, 889 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [329 Valid, 560 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-23 13:34:13,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1911 states. [2022-07-23 13:34:13,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1911 to 296. [2022-07-23 13:34:13,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 296 states, 264 states have (on average 1.4090909090909092) internal successors, (372), 287 states have internal predecessors, (372), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-07-23 13:34:13,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 380 transitions. [2022-07-23 13:34:13,697 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 380 transitions. Word has length 49 [2022-07-23 13:34:13,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 13:34:13,697 INFO L495 AbstractCegarLoop]: Abstraction has 296 states and 380 transitions. [2022-07-23 13:34:13,698 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 4.714285714285714) internal successors, (99), 20 states have internal predecessors, (99), 2 states have call successors, (5), 3 states have call predecessors, (5), 4 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2022-07-23 13:34:13,698 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 380 transitions. [2022-07-23 13:34:13,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-07-23 13:34:13,698 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 13:34:13,698 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-07-23 13:34:13,719 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-07-23 13:34:13,919 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 13:34:13,919 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting base2fltErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-07-23 13:34:13,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 13:34:13,919 INFO L85 PathProgramCache]: Analyzing trace with hash 1543370645, now seen corresponding path program 1 times [2022-07-23 13:34:13,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 13:34:13,919 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399639804] [2022-07-23 13:34:13,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 13:34:13,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 13:34:13,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:34:13,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 13:34:13,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:34:13,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-23 13:34:13,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:34:14,003 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-23 13:34:14,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 13:34:14,004 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [399639804] [2022-07-23 13:34:14,004 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [399639804] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 13:34:14,004 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1071844485] [2022-07-23 13:34:14,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 13:34:14,004 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 13:34:14,005 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 13:34:14,024 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) [2022-07-23 13:34:14,099 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-07-23 13:34:14,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:34:14,141 INFO L263 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 9 conjunts are in the unsatisfiable core [2022-07-23 13:34:14,145 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 13:34:14,211 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-23 13:34:14,212 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 13:34:14,306 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-23 13:34:14,306 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1071844485] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-23 13:34:14,306 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-23 13:34:14,306 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 14 [2022-07-23 13:34:14,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859929211] [2022-07-23 13:34:14,307 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-23 13:34:14,307 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-07-23 13:34:14,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 13:34:14,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-07-23 13:34:14,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2022-07-23 13:34:14,308 INFO L87 Difference]: Start difference. First operand 296 states and 380 transitions. Second operand has 14 states, 14 states have (on average 6.357142857142857) internal successors, (89), 13 states have internal predecessors, (89), 2 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-07-23 13:34:15,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 13:34:15,323 INFO L93 Difference]: Finished difference Result 1217 states and 1533 transitions. [2022-07-23 13:34:15,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-07-23 13:34:15,324 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 6.357142857142857) internal successors, (89), 13 states have internal predecessors, (89), 2 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 51 [2022-07-23 13:34:15,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 13:34:15,327 INFO L225 Difference]: With dead ends: 1217 [2022-07-23 13:34:15,327 INFO L226 Difference]: Without dead ends: 938 [2022-07-23 13:34:15,328 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 289 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=345, Invalid=845, Unknown=0, NotChecked=0, Total=1190 [2022-07-23 13:34:15,328 INFO L413 NwaCegarLoop]: 181 mSDtfsCounter, 730 mSDsluCounter, 930 mSDsCounter, 0 mSdLazyCounter, 473 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 730 SdHoareTripleChecker+Valid, 1111 SdHoareTripleChecker+Invalid, 565 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 473 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-23 13:34:15,328 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [730 Valid, 1111 Invalid, 565 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 473 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-23 13:34:15,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 938 states. [2022-07-23 13:34:15,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 938 to 360. [2022-07-23 13:34:15,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 360 states, 328 states have (on average 1.399390243902439) internal successors, (459), 351 states have internal predecessors, (459), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-07-23 13:34:15,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 467 transitions. [2022-07-23 13:34:15,347 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 467 transitions. Word has length 51 [2022-07-23 13:34:15,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 13:34:15,347 INFO L495 AbstractCegarLoop]: Abstraction has 360 states and 467 transitions. [2022-07-23 13:34:15,347 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 6.357142857142857) internal successors, (89), 13 states have internal predecessors, (89), 2 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-07-23 13:34:15,347 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 467 transitions. [2022-07-23 13:34:15,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-07-23 13:34:15,348 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 13:34:15,348 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 5, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 13:34:15,381 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2022-07-23 13:34:15,582 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,SelfDestructingSolverStorable11 [2022-07-23 13:34:15,583 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting base2fltErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-07-23 13:34:15,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 13:34:15,583 INFO L85 PathProgramCache]: Analyzing trace with hash -1382541291, now seen corresponding path program 2 times [2022-07-23 13:34:15,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 13:34:15,583 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249767137] [2022-07-23 13:34:15,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 13:34:15,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 13:34:15,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:34:15,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 13:34:15,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:34:15,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-23 13:34:15,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:34:15,707 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 13 proven. 75 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-23 13:34:15,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 13:34:15,708 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1249767137] [2022-07-23 13:34:15,708 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1249767137] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 13:34:15,708 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1952903181] [2022-07-23 13:34:15,708 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-23 13:34:15,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 13:34:15,708 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 13:34:15,709 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) [2022-07-23 13:34:15,723 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-07-23 13:34:15,781 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-07-23 13:34:15,781 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-23 13:34:15,782 INFO L263 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 17 conjunts are in the unsatisfiable core [2022-07-23 13:34:15,784 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 13:34:15,933 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 13 proven. 75 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-23 13:34:15,933 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 13:34:16,185 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 13 proven. 75 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-23 13:34:16,185 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1952903181] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-23 13:34:16,185 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-23 13:34:16,186 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 10] total 26 [2022-07-23 13:34:16,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004906775] [2022-07-23 13:34:16,186 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-23 13:34:16,186 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-07-23 13:34:16,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 13:34:16,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-07-23 13:34:16,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=193, Invalid=457, Unknown=0, NotChecked=0, Total=650 [2022-07-23 13:34:16,187 INFO L87 Difference]: Start difference. First operand 360 states and 467 transitions. Second operand has 26 states, 26 states have (on average 5.730769230769231) internal successors, (149), 25 states have internal predecessors, (149), 2 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-07-23 13:34:41,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 13:34:41,281 INFO L93 Difference]: Finished difference Result 1636 states and 2073 transitions. [2022-07-23 13:34:41,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-07-23 13:34:41,282 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.730769230769231) internal successors, (149), 25 states have internal predecessors, (149), 2 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 71 [2022-07-23 13:34:41,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 13:34:41,285 INFO L225 Difference]: With dead ends: 1636 [2022-07-23 13:34:41,285 INFO L226 Difference]: Without dead ends: 1250 [2022-07-23 13:34:41,286 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 983 ImplicationChecksByTransitivity, 24.2s TimeCoverageRelationStatistics Valid=993, Invalid=2909, Unknown=4, NotChecked=0, Total=3906 [2022-07-23 13:34:41,287 INFO L413 NwaCegarLoop]: 199 mSDtfsCounter, 1467 mSDsluCounter, 2316 mSDsCounter, 0 mSdLazyCounter, 1364 mSolverCounterSat, 301 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1467 SdHoareTripleChecker+Valid, 2515 SdHoareTripleChecker+Invalid, 1665 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 301 IncrementalHoareTripleChecker+Valid, 1364 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-07-23 13:34:41,287 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1467 Valid, 2515 Invalid, 1665 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [301 Valid, 1364 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-07-23 13:34:41,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1250 states. [2022-07-23 13:34:41,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1250 to 403. [2022-07-23 13:34:41,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 371 states have (on average 1.3935309973045822) internal successors, (517), 394 states have internal predecessors, (517), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-07-23 13:34:41,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 525 transitions. [2022-07-23 13:34:41,314 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 525 transitions. Word has length 71 [2022-07-23 13:34:41,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 13:34:41,315 INFO L495 AbstractCegarLoop]: Abstraction has 403 states and 525 transitions. [2022-07-23 13:34:41,315 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.730769230769231) internal successors, (149), 25 states have internal predecessors, (149), 2 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-07-23 13:34:41,315 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 525 transitions. [2022-07-23 13:34:41,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-07-23 13:34:41,315 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 13:34:41,316 INFO L195 NwaCegarLoop]: trace histogram [11, 10, 10, 10, 10, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 13:34:41,347 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-07-23 13:34:41,547 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,SelfDestructingSolverStorable12 [2022-07-23 13:34:41,548 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting base2fltErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-07-23 13:34:41,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 13:34:41,548 INFO L85 PathProgramCache]: Analyzing trace with hash -867235089, now seen corresponding path program 2 times [2022-07-23 13:34:41,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 13:34:41,549 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378175208] [2022-07-23 13:34:41,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 13:34:41,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 13:34:41,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:34:41,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 13:34:41,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:34:41,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-23 13:34:41,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:34:41,714 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 9 proven. 245 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-23 13:34:41,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 13:34:41,715 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378175208] [2022-07-23 13:34:41,715 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1378175208] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 13:34:41,715 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2111308994] [2022-07-23 13:34:41,715 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-23 13:34:41,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 13:34:41,716 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 13:34:41,717 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) [2022-07-23 13:34:41,717 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-07-23 13:34:41,766 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-07-23 13:34:41,767 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-23 13:34:41,767 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 13 conjunts are in the unsatisfiable core [2022-07-23 13:34:41,769 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 13:34:41,966 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 9 proven. 245 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-23 13:34:41,967 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 13:34:42,351 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 9 proven. 245 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-23 13:34:42,351 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2111308994] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-23 13:34:42,351 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-23 13:34:42,351 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 14, 14] total 39 [2022-07-23 13:34:42,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855511580] [2022-07-23 13:34:42,352 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-23 13:34:42,352 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2022-07-23 13:34:42,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 13:34:42,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2022-07-23 13:34:42,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=492, Invalid=990, Unknown=0, NotChecked=0, Total=1482 [2022-07-23 13:34:42,353 INFO L87 Difference]: Start difference. First operand 403 states and 525 transitions. Second operand has 39 states, 39 states have (on average 4.846153846153846) internal successors, (189), 38 states have internal predecessors, (189), 2 states have call successors, (5), 3 states have call predecessors, (5), 4 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2022-07-23 13:34:44,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 13:34:44,969 INFO L93 Difference]: Finished difference Result 3601 states and 4674 transitions. [2022-07-23 13:34:44,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2022-07-23 13:34:44,969 INFO L78 Accepts]: Start accepts. Automaton has has 39 states, 39 states have (on average 4.846153846153846) internal successors, (189), 38 states have internal predecessors, (189), 2 states have call successors, (5), 3 states have call predecessors, (5), 4 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 79 [2022-07-23 13:34:44,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 13:34:44,988 INFO L225 Difference]: With dead ends: 3601 [2022-07-23 13:34:44,988 INFO L226 Difference]: Without dead ends: 3299 [2022-07-23 13:34:44,993 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 297 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 110 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3860 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=3962, Invalid=8470, Unknown=0, NotChecked=0, Total=12432 [2022-07-23 13:34:44,994 INFO L413 NwaCegarLoop]: 119 mSDtfsCounter, 4243 mSDsluCounter, 1176 mSDsCounter, 0 mSdLazyCounter, 876 mSolverCounterSat, 1083 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4243 SdHoareTripleChecker+Valid, 1295 SdHoareTripleChecker+Invalid, 1959 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1083 IncrementalHoareTripleChecker+Valid, 876 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-07-23 13:34:44,994 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4243 Valid, 1295 Invalid, 1959 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1083 Valid, 876 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-07-23 13:34:44,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3299 states. [2022-07-23 13:34:45,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3299 to 460. [2022-07-23 13:34:45,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 460 states, 428 states have (on average 1.3621495327102804) internal successors, (583), 451 states have internal predecessors, (583), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-07-23 13:34:45,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 460 states and 591 transitions. [2022-07-23 13:34:45,055 INFO L78 Accepts]: Start accepts. Automaton has 460 states and 591 transitions. Word has length 79 [2022-07-23 13:34:45,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 13:34:45,055 INFO L495 AbstractCegarLoop]: Abstraction has 460 states and 591 transitions. [2022-07-23 13:34:45,055 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 4.846153846153846) internal successors, (189), 38 states have internal predecessors, (189), 2 states have call successors, (5), 3 states have call predecessors, (5), 4 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2022-07-23 13:34:45,056 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 591 transitions. [2022-07-23 13:34:45,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-07-23 13:34:45,060 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 13:34:45,060 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 14, 13, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 13:34:45,095 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-07-23 13:34:45,275 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-07-23 13:34:45,276 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting base2fltErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-07-23 13:34:45,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 13:34:45,276 INFO L85 PathProgramCache]: Analyzing trace with hash 510433557, now seen corresponding path program 3 times [2022-07-23 13:34:45,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 13:34:45,277 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879297538] [2022-07-23 13:34:45,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 13:34:45,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 13:34:45,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:34:45,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 13:34:45,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:34:45,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-23 13:34:45,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:34:45,620 INFO L134 CoverageAnalysis]: Checked inductivity of 469 backedges. 13 proven. 455 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-23 13:34:45,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 13:34:45,620 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1879297538] [2022-07-23 13:34:45,620 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1879297538] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 13:34:45,620 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1946540546] [2022-07-23 13:34:45,620 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-07-23 13:34:45,620 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 13:34:45,620 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 13:34:45,630 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-23 13:34:45,651 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-07-23 13:34:47,195 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2022-07-23 13:34:47,195 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-23 13:34:47,199 INFO L263 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 33 conjunts are in the unsatisfiable core [2022-07-23 13:34:47,200 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 13:34:47,605 INFO L134 CoverageAnalysis]: Checked inductivity of 469 backedges. 13 proven. 455 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-23 13:34:47,605 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 13:34:48,407 INFO L134 CoverageAnalysis]: Checked inductivity of 469 backedges. 13 proven. 455 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-23 13:34:48,407 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1946540546] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-23 13:34:48,407 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-23 13:34:48,407 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 18, 18] total 50 [2022-07-23 13:34:48,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001261696] [2022-07-23 13:34:48,408 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-23 13:34:48,408 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2022-07-23 13:34:48,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 13:34:48,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2022-07-23 13:34:48,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=619, Invalid=1831, Unknown=0, NotChecked=0, Total=2450 [2022-07-23 13:34:48,409 INFO L87 Difference]: Start difference. First operand 460 states and 591 transitions. Second operand has 50 states, 50 states have (on average 5.38) internal successors, (269), 49 states have internal predecessors, (269), 2 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-07-23 13:34:59,635 WARN L233 SmtUtils]: Spent 8.20s on a formula simplification. DAG size of input: 57 DAG size of output: 22 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-07-23 13:35:10,946 WARN L233 SmtUtils]: Spent 6.56s on a formula simplification. DAG size of input: 52 DAG size of output: 22 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-07-23 13:35:20,696 WARN L233 SmtUtils]: Spent 6.11s on a formula simplification. DAG size of input: 47 DAG size of output: 22 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-07-23 13:36:00,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 13:36:00,051 INFO L93 Difference]: Finished difference Result 2226 states and 2837 transitions. [2022-07-23 13:36:00,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2022-07-23 13:36:00,053 INFO L78 Accepts]: Start accepts. Automaton has has 50 states, 50 states have (on average 5.38) internal successors, (269), 49 states have internal predecessors, (269), 2 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 111 [2022-07-23 13:36:00,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 13:36:00,071 INFO L225 Difference]: With dead ends: 2226 [2022-07-23 13:36:00,071 INFO L226 Difference]: Without dead ends: 1800 [2022-07-23 13:36:00,075 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 356 GetRequests, 244 SyntacticMatches, 0 SemanticMatches, 112 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3179 ImplicationChecksByTransitivity, 69.4s TimeCoverageRelationStatistics Valid=2902, Invalid=9965, Unknown=15, NotChecked=0, Total=12882 [2022-07-23 13:36:00,076 INFO L413 NwaCegarLoop]: 239 mSDtfsCounter, 3126 mSDsluCounter, 7316 mSDsCounter, 0 mSdLazyCounter, 4576 mSolverCounterSat, 1012 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3126 SdHoareTripleChecker+Valid, 7555 SdHoareTripleChecker+Invalid, 5588 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1012 IncrementalHoareTripleChecker+Valid, 4576 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-07-23 13:36:00,076 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3126 Valid, 7555 Invalid, 5588 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1012 Valid, 4576 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-07-23 13:36:00,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1800 states. [2022-07-23 13:36:00,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1800 to 533. [2022-07-23 13:36:00,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 533 states, 501 states have (on average 1.3672654690618762) internal successors, (685), 524 states have internal predecessors, (685), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-07-23 13:36:00,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 533 states and 693 transitions. [2022-07-23 13:36:00,123 INFO L78 Accepts]: Start accepts. Automaton has 533 states and 693 transitions. Word has length 111 [2022-07-23 13:36:00,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 13:36:00,123 INFO L495 AbstractCegarLoop]: Abstraction has 533 states and 693 transitions. [2022-07-23 13:36:00,124 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 5.38) internal successors, (269), 49 states have internal predecessors, (269), 2 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-07-23 13:36:00,124 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 693 transitions. [2022-07-23 13:36:00,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2022-07-23 13:36:00,125 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 13:36:00,125 INFO L195 NwaCegarLoop]: trace histogram [23, 22, 22, 22, 22, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 13:36:00,132 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-07-23 13:36:00,330 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-07-23 13:36:00,330 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting base2fltErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-07-23 13:36:00,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 13:36:00,331 INFO L85 PathProgramCache]: Analyzing trace with hash -1536922513, now seen corresponding path program 3 times [2022-07-23 13:36:00,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 13:36:00,331 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316605456] [2022-07-23 13:36:00,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 13:36:00,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 13:36:00,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:36:00,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 13:36:00,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:36:00,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-23 13:36:00,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:36:00,760 INFO L134 CoverageAnalysis]: Checked inductivity of 1209 backedges. 9 proven. 1199 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-23 13:36:00,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 13:36:00,760 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [316605456] [2022-07-23 13:36:00,761 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [316605456] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 13:36:00,761 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1124448134] [2022-07-23 13:36:00,761 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-07-23 13:36:00,761 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 13:36:00,761 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 13:36:00,762 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-23 13:36:00,764 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-07-23 13:36:01,593 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 24 check-sat command(s) [2022-07-23 13:36:01,593 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-23 13:36:01,595 INFO L263 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 25 conjunts are in the unsatisfiable core [2022-07-23 13:36:01,597 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 13:36:02,071 INFO L134 CoverageAnalysis]: Checked inductivity of 1209 backedges. 9 proven. 1199 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-23 13:36:02,071 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 13:36:03,159 INFO L134 CoverageAnalysis]: Checked inductivity of 1209 backedges. 9 proven. 1199 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-23 13:36:03,159 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1124448134] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-23 13:36:03,159 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-23 13:36:03,159 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 26, 26] total 75 [2022-07-23 13:36:03,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918062133] [2022-07-23 13:36:03,160 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-23 13:36:03,160 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 75 states [2022-07-23 13:36:03,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 13:36:03,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 75 interpolants. [2022-07-23 13:36:03,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1848, Invalid=3702, Unknown=0, NotChecked=0, Total=5550 [2022-07-23 13:36:03,162 INFO L87 Difference]: Start difference. First operand 533 states and 693 transitions. Second operand has 75 states, 75 states have (on average 4.92) internal successors, (369), 74 states have internal predecessors, (369), 2 states have call successors, (5), 3 states have call predecessors, (5), 4 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2022-07-23 13:36:11,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 13:36:11,386 INFO L93 Difference]: Finished difference Result 7075 states and 9196 transitions. [2022-07-23 13:36:11,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 194 states. [2022-07-23 13:36:11,393 INFO L78 Accepts]: Start accepts. Automaton has has 75 states, 75 states have (on average 4.92) internal successors, (369), 74 states have internal predecessors, (369), 2 states have call successors, (5), 3 states have call predecessors, (5), 4 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 139 [2022-07-23 13:36:11,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 13:36:11,412 INFO L225 Difference]: With dead ends: 7075 [2022-07-23 13:36:11,412 INFO L226 Difference]: Without dead ends: 6693 [2022-07-23 13:36:11,420 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 547 GetRequests, 330 SyntacticMatches, 0 SemanticMatches, 217 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15157 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=15016, Invalid=32726, Unknown=0, NotChecked=0, Total=47742 [2022-07-23 13:36:11,420 INFO L413 NwaCegarLoop]: 119 mSDtfsCounter, 10206 mSDsluCounter, 1532 mSDsCounter, 0 mSdLazyCounter, 1360 mSolverCounterSat, 3212 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10206 SdHoareTripleChecker+Valid, 1651 SdHoareTripleChecker+Invalid, 4572 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3212 IncrementalHoareTripleChecker+Valid, 1360 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-07-23 13:36:11,421 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10206 Valid, 1651 Invalid, 4572 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3212 Valid, 1360 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-07-23 13:36:11,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6693 states. [2022-07-23 13:36:11,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6693 to 660. [2022-07-23 13:36:11,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 660 states, 628 states have (on average 1.3328025477707006) internal successors, (837), 651 states have internal predecessors, (837), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-07-23 13:36:11,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 660 states and 845 transitions. [2022-07-23 13:36:11,532 INFO L78 Accepts]: Start accepts. Automaton has 660 states and 845 transitions. Word has length 139 [2022-07-23 13:36:11,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 13:36:11,532 INFO L495 AbstractCegarLoop]: Abstraction has 660 states and 845 transitions. [2022-07-23 13:36:11,532 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 75 states, 75 states have (on average 4.92) internal successors, (369), 74 states have internal predecessors, (369), 2 states have call successors, (5), 3 states have call predecessors, (5), 4 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2022-07-23 13:36:11,532 INFO L276 IsEmpty]: Start isEmpty. Operand 660 states and 845 transitions. [2022-07-23 13:36:11,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2022-07-23 13:36:11,533 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 13:36:11,533 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 24, 23, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 13:36:11,541 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-07-23 13:36:11,741 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-07-23 13:36:11,741 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting base2fltErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-07-23 13:36:11,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 13:36:11,742 INFO L85 PathProgramCache]: Analyzing trace with hash -216223147, now seen corresponding path program 4 times [2022-07-23 13:36:11,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 13:36:11,742 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16722701] [2022-07-23 13:36:11,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 13:36:11,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 13:36:11,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 13:36:11,762 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 13:36:11,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 13:36:11,797 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 13:36:11,797 INFO L271 BasicCegarLoop]: Counterexample is feasible [2022-07-23 13:36:11,798 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location base2fltErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 30 remaining) [2022-07-23 13:36:11,799 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 30 remaining) [2022-07-23 13:36:11,800 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 30 remaining) [2022-07-23 13:36:11,800 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 30 remaining) [2022-07-23 13:36:11,800 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location base2fltErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 30 remaining) [2022-07-23 13:36:11,800 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location base2fltErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 30 remaining) [2022-07-23 13:36:11,800 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location base2fltErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 30 remaining) [2022-07-23 13:36:11,800 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location base2fltErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 30 remaining) [2022-07-23 13:36:11,801 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location base2fltErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 30 remaining) [2022-07-23 13:36:11,801 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location base2fltErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 30 remaining) [2022-07-23 13:36:11,801 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location base2fltErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 30 remaining) [2022-07-23 13:36:11,801 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location base2fltErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 30 remaining) [2022-07-23 13:36:11,801 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 30 remaining) [2022-07-23 13:36:11,801 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 30 remaining) [2022-07-23 13:36:11,801 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 30 remaining) [2022-07-23 13:36:11,801 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 30 remaining) [2022-07-23 13:36:11,802 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 30 remaining) [2022-07-23 13:36:11,802 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 30 remaining) [2022-07-23 13:36:11,802 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 30 remaining) [2022-07-23 13:36:11,802 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 30 remaining) [2022-07-23 13:36:11,802 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 30 remaining) [2022-07-23 13:36:11,802 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 30 remaining) [2022-07-23 13:36:11,802 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 30 remaining) [2022-07-23 13:36:11,803 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 30 remaining) [2022-07-23 13:36:11,803 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 30 remaining) [2022-07-23 13:36:11,803 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 30 remaining) [2022-07-23 13:36:11,803 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 30 remaining) [2022-07-23 13:36:11,803 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 30 remaining) [2022-07-23 13:36:11,803 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 30 remaining) [2022-07-23 13:36:11,803 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 30 remaining) [2022-07-23 13:36:11,804 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-07-23 13:36:11,806 INFO L356 BasicCegarLoop]: Path program histogram: [4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 13:36:11,809 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-23 13:36:11,896 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.07 01:36:11 BoogieIcfgContainer [2022-07-23 13:36:11,897 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-23 13:36:11,898 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-23 13:36:11,899 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-23 13:36:11,899 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-23 13:36:11,899 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 01:34:07" (3/4) ... [2022-07-23 13:36:11,901 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-23 13:36:11,901 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-23 13:36:11,902 INFO L158 Benchmark]: Toolchain (without parser) took 125008.55ms. Allocated memory was 113.2MB in the beginning and 494.9MB in the end (delta: 381.7MB). Free memory was 76.8MB in the beginning and 238.9MB in the end (delta: -162.1MB). Peak memory consumption was 218.4MB. Max. memory is 16.1GB. [2022-07-23 13:36:11,903 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 113.2MB. Free memory was 83.6MB in the beginning and 83.6MB in the end (delta: 25.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-23 13:36:11,903 INFO L158 Benchmark]: CACSL2BoogieTranslator took 240.74ms. Allocated memory is still 113.2MB. Free memory was 76.6MB in the beginning and 83.8MB in the end (delta: -7.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-23 13:36:11,903 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.96ms. Allocated memory is still 113.2MB. Free memory was 83.8MB in the beginning and 81.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-23 13:36:11,903 INFO L158 Benchmark]: Boogie Preprocessor took 37.21ms. Allocated memory is still 113.2MB. Free memory was 81.2MB in the beginning and 79.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-23 13:36:11,904 INFO L158 Benchmark]: RCFGBuilder took 546.19ms. Allocated memory is still 113.2MB. Free memory was 79.6MB in the beginning and 58.1MB in the end (delta: 21.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-07-23 13:36:11,904 INFO L158 Benchmark]: TraceAbstraction took 124105.07ms. Allocated memory was 113.2MB in the beginning and 494.9MB in the end (delta: 381.7MB). Free memory was 57.6MB in the beginning and 238.9MB in the end (delta: -181.3MB). Peak memory consumption was 202.5MB. Max. memory is 16.1GB. [2022-07-23 13:36:11,904 INFO L158 Benchmark]: Witness Printer took 3.12ms. Allocated memory is still 494.9MB. Free memory is still 238.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-23 13:36:11,906 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 113.2MB. Free memory was 83.6MB in the beginning and 83.6MB in the end (delta: 25.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 240.74ms. Allocated memory is still 113.2MB. Free memory was 76.6MB in the beginning and 83.8MB in the end (delta: -7.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.96ms. Allocated memory is still 113.2MB. Free memory was 83.8MB in the beginning and 81.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.21ms. Allocated memory is still 113.2MB. Free memory was 81.2MB in the beginning and 79.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 546.19ms. Allocated memory is still 113.2MB. Free memory was 79.6MB in the beginning and 58.1MB in the end (delta: 21.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 124105.07ms. Allocated memory was 113.2MB in the beginning and 494.9MB in the end (delta: 381.7MB). Free memory was 57.6MB in the beginning and 238.9MB in the end (delta: -181.3MB). Peak memory consumption was 202.5MB. Max. memory is 16.1GB. * Witness Printer took 3.12ms. Allocated memory is still 494.9MB. Free memory is still 238.9MB. There was no memory consumed. 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 - UnprovableResult [Line: 77]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseComplement at line 76. Possible FailurePath: [L221] unsigned int a ; [L222] unsigned int ma = __VERIFIER_nondet_uint(); [L223] signed char ea = __VERIFIER_nondet_char(); [L224] unsigned int b ; [L225] unsigned int mb = __VERIFIER_nondet_uint(); [L226] signed char eb = __VERIFIER_nondet_char(); [L227] unsigned int r_mul ; [L228] unsigned int zero ; [L229] unsigned int one ; [L230] int sb ; [L231] int tmp ; [L232] int tmp___0 ; [L233] int tmp___1 ; [L234] int __retres16 ; VAL [ea=0, eb=0] [L238] CALL, EXPR base2flt(0, 0) VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=1744830465, \old(m)=0, \old(res = m | (unsigned int )((e + 128) << 24U))=1744830466, m = m & ~ (1U << 24U)=1744830465, res = m | (unsigned int )((e + 128) << 24U)=1744830466] [L25] unsigned int res ; [L26] unsigned int __retres4 ; VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=1744830465, \old(m)=0, \old(res = m | (unsigned int )((e + 128) << 24U))=1744830466, e=0, m=0, m = m & ~ (1U << 24U)=1744830465, res = m | (unsigned int )((e + 128) << 24U)=1744830466] [L29] COND TRUE ! m [L30] __retres4 = 0U VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=1744830465, \old(m)=0, \old(res = m | (unsigned int )((e + 128) << 24U))=1744830466, __retres4=0, e=0, m=0, m = m & ~ (1U << 24U)=1744830465, res = m | (unsigned int )((e + 128) << 24U)=1744830466] [L80] return (__retres4); VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=1744830465, \old(m)=0, \old(res = m | (unsigned int )((e + 128) << 24U))=1744830466, \result=0, __retres4=0, e=0, m=0, m = m & ~ (1U << 24U)=1744830465, res = m | (unsigned int )((e + 128) << 24U)=1744830466] [L238] RET, EXPR base2flt(0, 0) VAL [base2flt(0, 0)=0, ea=0, eb=0, m = m & ~ (1U << 24U)=1744830465, res = m | (unsigned int )((e + 128) << 24U)=1744830466] [L238] zero = base2flt(0, 0) [L239] CALL, EXPR base2flt(1, 0) VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=1744830465, \old(m)=1, \old(res = m | (unsigned int )((e + 128) << 24U))=1744830466, m = m & ~ (1U << 24U)=1744830465, res = m | (unsigned int )((e + 128) << 24U)=1744830466] [L25] unsigned int res ; [L26] unsigned int __retres4 ; VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=1744830465, \old(m)=1, \old(res = m | (unsigned int )((e + 128) << 24U))=1744830466, e=0, m=1, m = m & ~ (1U << 24U)=1744830465, res = m | (unsigned int )((e + 128) << 24U)=1744830466] [L29] COND FALSE !(! m) VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=1744830465, \old(m)=1, \old(res = m | (unsigned int )((e + 128) << 24U))=1744830466, e=0, m=1, m = m & ~ (1U << 24U)=1744830465, res = m | (unsigned int )((e + 128) << 24U)=1744830466] [L35] COND TRUE m < 1U << 24U VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=1744830465, \old(m)=1, \old(res = m | (unsigned int )((e + 128) << 24U))=1744830466, e=0, m=1, m = m & ~ (1U << 24U)=1744830465, res = m | (unsigned int )((e + 128) << 24U)=1744830466] [L37] COND TRUE 1 VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=1744830465, \old(m)=1, \old(res = m | (unsigned int )((e + 128) << 24U))=1744830466, e=0, m=1, m = m & ~ (1U << 24U)=1744830465, res = m | (unsigned int )((e + 128) << 24U)=1744830466] [L39] COND FALSE !(e <= -128) VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=1744830465, \old(m)=1, \old(res = m | (unsigned int )((e + 128) << 24U))=1744830466, e=0, m=1, m = m & ~ (1U << 24U)=1744830465, res = m | (unsigned int )((e + 128) << 24U)=1744830466] [L45] EXPR e - 1 [L45] e = e - 1 [L46] m = m << 1U VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=1744830465, \old(m)=1, \old(res = m | (unsigned int )((e + 128) << 24U))=1744830466, e=-1, m=2, m = m & ~ (1U << 24U)=1744830465, res = m | (unsigned int )((e + 128) << 24U)=1744830466] [L47] COND TRUE m < 1U << 24U VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=1744830465, \old(m)=1, \old(res = m | (unsigned int )((e + 128) << 24U))=1744830466, e=-1, m=2, m = m & ~ (1U << 24U)=1744830465, res = m | (unsigned int )((e + 128) << 24U)=1744830466] [L37] COND TRUE 1 VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=1744830465, \old(m)=1, \old(res = m | (unsigned int )((e + 128) << 24U))=1744830466, e=-1, m=2, m = m & ~ (1U << 24U)=1744830465, res = m | (unsigned int )((e + 128) << 24U)=1744830466] [L39] COND FALSE !(e <= -128) VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=1744830465, \old(m)=1, \old(res = m | (unsigned int )((e + 128) << 24U))=1744830466, e=-1, m=2, m = m & ~ (1U << 24U)=1744830465, res = m | (unsigned int )((e + 128) << 24U)=1744830466] [L45] EXPR e - 1 [L45] e = e - 1 [L46] m = m << 1U VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=1744830465, \old(m)=1, \old(res = m | (unsigned int )((e + 128) << 24U))=1744830466, e=-2, m=4, m = m & ~ (1U << 24U)=1744830465, res = m | (unsigned int )((e + 128) << 24U)=1744830466] [L47] COND TRUE m < 1U << 24U VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=1744830465, \old(m)=1, \old(res = m | (unsigned int )((e + 128) << 24U))=1744830466, e=-2, m=4, m = m & ~ (1U << 24U)=1744830465, res = m | (unsigned int )((e + 128) << 24U)=1744830466] [L37] COND TRUE 1 VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=1744830465, \old(m)=1, \old(res = m | (unsigned int )((e + 128) << 24U))=1744830466, e=-2, m=4, m = m & ~ (1U << 24U)=1744830465, res = m | (unsigned int )((e + 128) << 24U)=1744830466] [L39] COND FALSE !(e <= -128) VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=1744830465, \old(m)=1, \old(res = m | (unsigned int )((e + 128) << 24U))=1744830466, e=-2, m=4, m = m & ~ (1U << 24U)=1744830465, res = m | (unsigned int )((e + 128) << 24U)=1744830466] [L45] EXPR e - 1 [L45] e = e - 1 [L46] m = m << 1U VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=1744830465, \old(m)=1, \old(res = m | (unsigned int )((e + 128) << 24U))=1744830466, e=-3, m=8, m = m & ~ (1U << 24U)=1744830465, res = m | (unsigned int )((e + 128) << 24U)=1744830466] [L47] COND TRUE m < 1U << 24U VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=1744830465, \old(m)=1, \old(res = m | (unsigned int )((e + 128) << 24U))=1744830466, e=-3, m=8, m = m & ~ (1U << 24U)=1744830465, res = m | (unsigned int )((e + 128) << 24U)=1744830466] [L37] COND TRUE 1 VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=1744830465, \old(m)=1, \old(res = m | (unsigned int )((e + 128) << 24U))=1744830466, e=-3, m=8, m = m & ~ (1U << 24U)=1744830465, res = m | (unsigned int )((e + 128) << 24U)=1744830466] [L39] COND FALSE !(e <= -128) VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=1744830465, \old(m)=1, \old(res = m | (unsigned int )((e + 128) << 24U))=1744830466, e=-3, m=8, m = m & ~ (1U << 24U)=1744830465, res = m | (unsigned int )((e + 128) << 24U)=1744830466] [L45] EXPR e - 1 [L45] e = e - 1 [L46] m = m << 1U VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=1744830465, \old(m)=1, \old(res = m | (unsigned int )((e + 128) << 24U))=1744830466, e=-4, m=16, m = m & ~ (1U << 24U)=1744830465, res = m | (unsigned int )((e + 128) << 24U)=1744830466] [L47] COND TRUE m < 1U << 24U VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=1744830465, \old(m)=1, \old(res = m | (unsigned int )((e + 128) << 24U))=1744830466, e=-4, m=16, m = m & ~ (1U << 24U)=1744830465, res = m | (unsigned int )((e + 128) << 24U)=1744830466] [L37] COND TRUE 1 VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=1744830465, \old(m)=1, \old(res = m | (unsigned int )((e + 128) << 24U))=1744830466, e=-4, m=16, m = m & ~ (1U << 24U)=1744830465, res = m | (unsigned int )((e + 128) << 24U)=1744830466] [L39] COND FALSE !(e <= -128) VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=1744830465, \old(m)=1, \old(res = m | (unsigned int )((e + 128) << 24U))=1744830466, e=-4, m=16, m = m & ~ (1U << 24U)=1744830465, res = m | (unsigned int )((e + 128) << 24U)=1744830466] [L45] EXPR e - 1 [L45] e = e - 1 [L46] m = m << 1U VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=1744830465, \old(m)=1, \old(res = m | (unsigned int )((e + 128) << 24U))=1744830466, e=-5, m=32, m = m & ~ (1U << 24U)=1744830465, res = m | (unsigned int )((e + 128) << 24U)=1744830466] [L47] COND TRUE m < 1U << 24U VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=1744830465, \old(m)=1, \old(res = m | (unsigned int )((e + 128) << 24U))=1744830466, e=-5, m=32, m = m & ~ (1U << 24U)=1744830465, res = m | (unsigned int )((e + 128) << 24U)=1744830466] [L37] COND TRUE 1 VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=1744830465, \old(m)=1, \old(res = m | (unsigned int )((e + 128) << 24U))=1744830466, e=-5, m=32, m = m & ~ (1U << 24U)=1744830465, res = m | (unsigned int )((e + 128) << 24U)=1744830466] [L39] COND FALSE !(e <= -128) VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=1744830465, \old(m)=1, \old(res = m | (unsigned int )((e + 128) << 24U))=1744830466, e=-5, m=32, m = m & ~ (1U << 24U)=1744830465, res = m | (unsigned int )((e + 128) << 24U)=1744830466] [L45] EXPR e - 1 [L45] e = e - 1 [L46] m = m << 1U VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=1744830465, \old(m)=1, \old(res = m | (unsigned int )((e + 128) << 24U))=1744830466, e=-6, m=64, m = m & ~ (1U << 24U)=1744830465, res = m | (unsigned int )((e + 128) << 24U)=1744830466] [L47] COND TRUE m < 1U << 24U VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=1744830465, \old(m)=1, \old(res = m | (unsigned int )((e + 128) << 24U))=1744830466, e=-6, m=64, m = m & ~ (1U << 24U)=1744830465, res = m | (unsigned int )((e + 128) << 24U)=1744830466] [L37] COND TRUE 1 VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=1744830465, \old(m)=1, \old(res = m | (unsigned int )((e + 128) << 24U))=1744830466, e=-6, m=64, m = m & ~ (1U << 24U)=1744830465, res = m | (unsigned int )((e + 128) << 24U)=1744830466] [L39] COND FALSE !(e <= -128) VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=1744830465, \old(m)=1, \old(res = m | (unsigned int )((e + 128) << 24U))=1744830466, e=-6, m=64, m = m & ~ (1U << 24U)=1744830465, res = m | (unsigned int )((e + 128) << 24U)=1744830466] [L45] EXPR e - 1 [L45] e = e - 1 [L46] m = m << 1U VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=1744830465, \old(m)=1, \old(res = m | (unsigned int )((e + 128) << 24U))=1744830466, e=-7, m=128, m = m & ~ (1U << 24U)=1744830465, res = m | (unsigned int )((e + 128) << 24U)=1744830466] [L47] COND TRUE m < 1U << 24U VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=1744830465, \old(m)=1, \old(res = m | (unsigned int )((e + 128) << 24U))=1744830466, e=-7, m=128, m = m & ~ (1U << 24U)=1744830465, res = m | (unsigned int )((e + 128) << 24U)=1744830466] [L37] COND TRUE 1 VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=1744830465, \old(m)=1, \old(res = m | (unsigned int )((e + 128) << 24U))=1744830466, e=-7, m=128, m = m & ~ (1U << 24U)=1744830465, res = m | (unsigned int )((e + 128) << 24U)=1744830466] [L39] COND FALSE !(e <= -128) VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=1744830465, \old(m)=1, \old(res = m | (unsigned int )((e + 128) << 24U))=1744830466, e=-7, m=128, m = m & ~ (1U << 24U)=1744830465, res = m | (unsigned int )((e + 128) << 24U)=1744830466] [L45] EXPR e - 1 [L45] e = e - 1 [L46] m = m << 1U VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=1744830465, \old(m)=1, \old(res = m | (unsigned int )((e + 128) << 24U))=1744830466, e=-8, m=256, m = m & ~ (1U << 24U)=1744830465, res = m | (unsigned int )((e + 128) << 24U)=1744830466] [L47] COND TRUE m < 1U << 24U VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=1744830465, \old(m)=1, \old(res = m | (unsigned int )((e + 128) << 24U))=1744830466, e=-8, m=256, m = m & ~ (1U << 24U)=1744830465, res = m | (unsigned int )((e + 128) << 24U)=1744830466] [L37] COND TRUE 1 VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=1744830465, \old(m)=1, \old(res = m | (unsigned int )((e + 128) << 24U))=1744830466, e=-8, m=256, m = m & ~ (1U << 24U)=1744830465, res = m | (unsigned int )((e + 128) << 24U)=1744830466] [L39] COND FALSE !(e <= -128) VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=1744830465, \old(m)=1, \old(res = m | (unsigned int )((e + 128) << 24U))=1744830466, e=-8, m=256, m = m & ~ (1U << 24U)=1744830465, res = m | (unsigned int )((e + 128) << 24U)=1744830466] [L45] EXPR e - 1 [L45] e = e - 1 [L46] m = m << 1U VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=1744830465, \old(m)=1, \old(res = m | (unsigned int )((e + 128) << 24U))=1744830466, e=-9, m=512, m = m & ~ (1U << 24U)=1744830465, res = m | (unsigned int )((e + 128) << 24U)=1744830466] [L47] COND TRUE m < 1U << 24U VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=1744830465, \old(m)=1, \old(res = m | (unsigned int )((e + 128) << 24U))=1744830466, e=-9, m=512, m = m & ~ (1U << 24U)=1744830465, res = m | (unsigned int )((e + 128) << 24U)=1744830466] [L37] COND TRUE 1 VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=1744830465, \old(m)=1, \old(res = m | (unsigned int )((e + 128) << 24U))=1744830466, e=-9, m=512, m = m & ~ (1U << 24U)=1744830465, res = m | (unsigned int )((e + 128) << 24U)=1744830466] [L39] COND FALSE !(e <= -128) VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=1744830465, \old(m)=1, \old(res = m | (unsigned int )((e + 128) << 24U))=1744830466, e=-9, m=512, m = m & ~ (1U << 24U)=1744830465, res = m | (unsigned int )((e + 128) << 24U)=1744830466] [L45] EXPR e - 1 [L45] e = e - 1 [L46] m = m << 1U VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=1744830465, \old(m)=1, \old(res = m | (unsigned int )((e + 128) << 24U))=1744830466, e=-10, m=1024, m = m & ~ (1U << 24U)=1744830465, res = m | (unsigned int )((e + 128) << 24U)=1744830466] [L47] COND TRUE m < 1U << 24U VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=1744830465, \old(m)=1, \old(res = m | (unsigned int )((e + 128) << 24U))=1744830466, e=-10, m=1024, m = m & ~ (1U << 24U)=1744830465, res = m | (unsigned int )((e + 128) << 24U)=1744830466] [L37] COND TRUE 1 VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=1744830465, \old(m)=1, \old(res = m | (unsigned int )((e + 128) << 24U))=1744830466, e=-10, m=1024, m = m & ~ (1U << 24U)=1744830465, res = m | (unsigned int )((e + 128) << 24U)=1744830466] [L39] COND FALSE !(e <= -128) VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=1744830465, \old(m)=1, \old(res = m | (unsigned int )((e + 128) << 24U))=1744830466, e=-10, m=1024, m = m & ~ (1U << 24U)=1744830465, res = m | (unsigned int )((e + 128) << 24U)=1744830466] [L45] EXPR e - 1 [L45] e = e - 1 [L46] m = m << 1U VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=1744830465, \old(m)=1, \old(res = m | (unsigned int )((e + 128) << 24U))=1744830466, e=-11, m=2048, m = m & ~ (1U << 24U)=1744830465, res = m | (unsigned int )((e + 128) << 24U)=1744830466] [L47] COND TRUE m < 1U << 24U VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=1744830465, \old(m)=1, \old(res = m | (unsigned int )((e + 128) << 24U))=1744830466, e=-11, m=2048, m = m & ~ (1U << 24U)=1744830465, res = m | (unsigned int )((e + 128) << 24U)=1744830466] [L37] COND TRUE 1 VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=1744830465, \old(m)=1, \old(res = m | (unsigned int )((e + 128) << 24U))=1744830466, e=-11, m=2048, m = m & ~ (1U << 24U)=1744830465, res = m | (unsigned int )((e + 128) << 24U)=1744830466] [L39] COND FALSE !(e <= -128) VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=1744830465, \old(m)=1, \old(res = m | (unsigned int )((e + 128) << 24U))=1744830466, e=-11, m=2048, m = m & ~ (1U << 24U)=1744830465, res = m | (unsigned int )((e + 128) << 24U)=1744830466] [L45] EXPR e - 1 [L45] e = e - 1 [L46] m = m << 1U VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=1744830465, \old(m)=1, \old(res = m | (unsigned int )((e + 128) << 24U))=1744830466, e=-12, m=4096, m = m & ~ (1U << 24U)=1744830465, res = m | (unsigned int )((e + 128) << 24U)=1744830466] [L47] COND TRUE m < 1U << 24U VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=1744830465, \old(m)=1, \old(res = m | (unsigned int )((e + 128) << 24U))=1744830466, e=-12, m=4096, m = m & ~ (1U << 24U)=1744830465, res = m | (unsigned int )((e + 128) << 24U)=1744830466] [L37] COND TRUE 1 VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=1744830465, \old(m)=1, \old(res = m | (unsigned int )((e + 128) << 24U))=1744830466, e=-12, m=4096, m = m & ~ (1U << 24U)=1744830465, res = m | (unsigned int )((e + 128) << 24U)=1744830466] [L39] COND FALSE !(e <= -128) VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=1744830465, \old(m)=1, \old(res = m | (unsigned int )((e + 128) << 24U))=1744830466, e=-12, m=4096, m = m & ~ (1U << 24U)=1744830465, res = m | (unsigned int )((e + 128) << 24U)=1744830466] [L45] EXPR e - 1 [L45] e = e - 1 [L46] m = m << 1U VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=1744830465, \old(m)=1, \old(res = m | (unsigned int )((e + 128) << 24U))=1744830466, e=-13, m=8192, m = m & ~ (1U << 24U)=1744830465, res = m | (unsigned int )((e + 128) << 24U)=1744830466] [L47] COND TRUE m < 1U << 24U VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=1744830465, \old(m)=1, \old(res = m | (unsigned int )((e + 128) << 24U))=1744830466, e=-13, m=8192, m = m & ~ (1U << 24U)=1744830465, res = m | (unsigned int )((e + 128) << 24U)=1744830466] [L37] COND TRUE 1 VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=1744830465, \old(m)=1, \old(res = m | (unsigned int )((e + 128) << 24U))=1744830466, e=-13, m=8192, m = m & ~ (1U << 24U)=1744830465, res = m | (unsigned int )((e + 128) << 24U)=1744830466] [L39] COND FALSE !(e <= -128) VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=1744830465, \old(m)=1, \old(res = m | (unsigned int )((e + 128) << 24U))=1744830466, e=-13, m=8192, m = m & ~ (1U << 24U)=1744830465, res = m | (unsigned int )((e + 128) << 24U)=1744830466] [L45] EXPR e - 1 [L45] e = e - 1 [L46] m = m << 1U VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=1744830465, \old(m)=1, \old(res = m | (unsigned int )((e + 128) << 24U))=1744830466, e=-14, m=16384, m = m & ~ (1U << 24U)=1744830465, res = m | (unsigned int )((e + 128) << 24U)=1744830466] [L47] COND TRUE m < 1U << 24U VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=1744830465, \old(m)=1, \old(res = m | (unsigned int )((e + 128) << 24U))=1744830466, e=-14, m=16384, m = m & ~ (1U << 24U)=1744830465, res = m | (unsigned int )((e + 128) << 24U)=1744830466] [L37] COND TRUE 1 VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=1744830465, \old(m)=1, \old(res = m | (unsigned int )((e + 128) << 24U))=1744830466, e=-14, m=16384, m = m & ~ (1U << 24U)=1744830465, res = m | (unsigned int )((e + 128) << 24U)=1744830466] [L39] COND FALSE !(e <= -128) VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=1744830465, \old(m)=1, \old(res = m | (unsigned int )((e + 128) << 24U))=1744830466, e=-14, m=16384, m = m & ~ (1U << 24U)=1744830465, res = m | (unsigned int )((e + 128) << 24U)=1744830466] [L45] EXPR e - 1 [L45] e = e - 1 [L46] m = m << 1U VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=1744830465, \old(m)=1, \old(res = m | (unsigned int )((e + 128) << 24U))=1744830466, e=-15, m=32768, m = m & ~ (1U << 24U)=1744830465, res = m | (unsigned int )((e + 128) << 24U)=1744830466] [L47] COND TRUE m < 1U << 24U VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=1744830465, \old(m)=1, \old(res = m | (unsigned int )((e + 128) << 24U))=1744830466, e=-15, m=32768, m = m & ~ (1U << 24U)=1744830465, res = m | (unsigned int )((e + 128) << 24U)=1744830466] [L37] COND TRUE 1 VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=1744830465, \old(m)=1, \old(res = m | (unsigned int )((e + 128) << 24U))=1744830466, e=-15, m=32768, m = m & ~ (1U << 24U)=1744830465, res = m | (unsigned int )((e + 128) << 24U)=1744830466] [L39] COND FALSE !(e <= -128) VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=1744830465, \old(m)=1, \old(res = m | (unsigned int )((e + 128) << 24U))=1744830466, e=-15, m=32768, m = m & ~ (1U << 24U)=1744830465, res = m | (unsigned int )((e + 128) << 24U)=1744830466] [L45] EXPR e - 1 [L45] e = e - 1 [L46] m = m << 1U VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=1744830465, \old(m)=1, \old(res = m | (unsigned int )((e + 128) << 24U))=1744830466, e=-16, m=65536, m = m & ~ (1U << 24U)=1744830465, res = m | (unsigned int )((e + 128) << 24U)=1744830466] [L47] COND TRUE m < 1U << 24U VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=1744830465, \old(m)=1, \old(res = m | (unsigned int )((e + 128) << 24U))=1744830466, e=-16, m=65536, m = m & ~ (1U << 24U)=1744830465, res = m | (unsigned int )((e + 128) << 24U)=1744830466] [L37] COND TRUE 1 VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=1744830465, \old(m)=1, \old(res = m | (unsigned int )((e + 128) << 24U))=1744830466, e=-16, m=65536, m = m & ~ (1U << 24U)=1744830465, res = m | (unsigned int )((e + 128) << 24U)=1744830466] [L39] COND FALSE !(e <= -128) VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=1744830465, \old(m)=1, \old(res = m | (unsigned int )((e + 128) << 24U))=1744830466, e=-16, m=65536, m = m & ~ (1U << 24U)=1744830465, res = m | (unsigned int )((e + 128) << 24U)=1744830466] [L45] EXPR e - 1 [L45] e = e - 1 [L46] m = m << 1U VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=1744830465, \old(m)=1, \old(res = m | (unsigned int )((e + 128) << 24U))=1744830466, e=-17, m=131072, m = m & ~ (1U << 24U)=1744830465, res = m | (unsigned int )((e + 128) << 24U)=1744830466] [L47] COND TRUE m < 1U << 24U VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=1744830465, \old(m)=1, \old(res = m | (unsigned int )((e + 128) << 24U))=1744830466, e=-17, m=131072, m = m & ~ (1U << 24U)=1744830465, res = m | (unsigned int )((e + 128) << 24U)=1744830466] [L37] COND TRUE 1 VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=1744830465, \old(m)=1, \old(res = m | (unsigned int )((e + 128) << 24U))=1744830466, e=-17, m=131072, m = m & ~ (1U << 24U)=1744830465, res = m | (unsigned int )((e + 128) << 24U)=1744830466] [L39] COND FALSE !(e <= -128) VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=1744830465, \old(m)=1, \old(res = m | (unsigned int )((e + 128) << 24U))=1744830466, e=-17, m=131072, m = m & ~ (1U << 24U)=1744830465, res = m | (unsigned int )((e + 128) << 24U)=1744830466] [L45] EXPR e - 1 [L45] e = e - 1 [L46] m = m << 1U VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=1744830465, \old(m)=1, \old(res = m | (unsigned int )((e + 128) << 24U))=1744830466, e=-18, m=262144, m = m & ~ (1U << 24U)=1744830465, res = m | (unsigned int )((e + 128) << 24U)=1744830466] [L47] COND TRUE m < 1U << 24U VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=1744830465, \old(m)=1, \old(res = m | (unsigned int )((e + 128) << 24U))=1744830466, e=-18, m=262144, m = m & ~ (1U << 24U)=1744830465, res = m | (unsigned int )((e + 128) << 24U)=1744830466] [L37] COND TRUE 1 VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=1744830465, \old(m)=1, \old(res = m | (unsigned int )((e + 128) << 24U))=1744830466, e=-18, m=262144, m = m & ~ (1U << 24U)=1744830465, res = m | (unsigned int )((e + 128) << 24U)=1744830466] [L39] COND FALSE !(e <= -128) VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=1744830465, \old(m)=1, \old(res = m | (unsigned int )((e + 128) << 24U))=1744830466, e=-18, m=262144, m = m & ~ (1U << 24U)=1744830465, res = m | (unsigned int )((e + 128) << 24U)=1744830466] [L45] EXPR e - 1 [L45] e = e - 1 [L46] m = m << 1U VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=1744830465, \old(m)=1, \old(res = m | (unsigned int )((e + 128) << 24U))=1744830466, e=-19, m=524288, m = m & ~ (1U << 24U)=1744830465, res = m | (unsigned int )((e + 128) << 24U)=1744830466] [L47] COND TRUE m < 1U << 24U VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=1744830465, \old(m)=1, \old(res = m | (unsigned int )((e + 128) << 24U))=1744830466, e=-19, m=524288, m = m & ~ (1U << 24U)=1744830465, res = m | (unsigned int )((e + 128) << 24U)=1744830466] [L37] COND TRUE 1 VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=1744830465, \old(m)=1, \old(res = m | (unsigned int )((e + 128) << 24U))=1744830466, e=-19, m=524288, m = m & ~ (1U << 24U)=1744830465, res = m | (unsigned int )((e + 128) << 24U)=1744830466] [L39] COND FALSE !(e <= -128) VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=1744830465, \old(m)=1, \old(res = m | (unsigned int )((e + 128) << 24U))=1744830466, e=-19, m=524288, m = m & ~ (1U << 24U)=1744830465, res = m | (unsigned int )((e + 128) << 24U)=1744830466] [L45] EXPR e - 1 [L45] e = e - 1 [L46] m = m << 1U VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=1744830465, \old(m)=1, \old(res = m | (unsigned int )((e + 128) << 24U))=1744830466, e=-20, m=1048576, m = m & ~ (1U << 24U)=1744830465, res = m | (unsigned int )((e + 128) << 24U)=1744830466] [L47] COND TRUE m < 1U << 24U VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=1744830465, \old(m)=1, \old(res = m | (unsigned int )((e + 128) << 24U))=1744830466, e=-20, m=1048576, m = m & ~ (1U << 24U)=1744830465, res = m | (unsigned int )((e + 128) << 24U)=1744830466] [L37] COND TRUE 1 VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=1744830465, \old(m)=1, \old(res = m | (unsigned int )((e + 128) << 24U))=1744830466, e=-20, m=1048576, m = m & ~ (1U << 24U)=1744830465, res = m | (unsigned int )((e + 128) << 24U)=1744830466] [L39] COND FALSE !(e <= -128) VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=1744830465, \old(m)=1, \old(res = m | (unsigned int )((e + 128) << 24U))=1744830466, e=-20, m=1048576, m = m & ~ (1U << 24U)=1744830465, res = m | (unsigned int )((e + 128) << 24U)=1744830466] [L45] EXPR e - 1 [L45] e = e - 1 [L46] m = m << 1U VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=1744830465, \old(m)=1, \old(res = m | (unsigned int )((e + 128) << 24U))=1744830466, e=-21, m=2097152, m = m & ~ (1U << 24U)=1744830465, res = m | (unsigned int )((e + 128) << 24U)=1744830466] [L47] COND TRUE m < 1U << 24U VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=1744830465, \old(m)=1, \old(res = m | (unsigned int )((e + 128) << 24U))=1744830466, e=-21, m=2097152, m = m & ~ (1U << 24U)=1744830465, res = m | (unsigned int )((e + 128) << 24U)=1744830466] [L37] COND TRUE 1 VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=1744830465, \old(m)=1, \old(res = m | (unsigned int )((e + 128) << 24U))=1744830466, e=-21, m=2097152, m = m & ~ (1U << 24U)=1744830465, res = m | (unsigned int )((e + 128) << 24U)=1744830466] [L39] COND FALSE !(e <= -128) VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=1744830465, \old(m)=1, \old(res = m | (unsigned int )((e + 128) << 24U))=1744830466, e=-21, m=2097152, m = m & ~ (1U << 24U)=1744830465, res = m | (unsigned int )((e + 128) << 24U)=1744830466] [L45] EXPR e - 1 [L45] e = e - 1 [L46] m = m << 1U VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=1744830465, \old(m)=1, \old(res = m | (unsigned int )((e + 128) << 24U))=1744830466, e=-22, m=4194304, m = m & ~ (1U << 24U)=1744830465, res = m | (unsigned int )((e + 128) << 24U)=1744830466] [L47] COND TRUE m < 1U << 24U VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=1744830465, \old(m)=1, \old(res = m | (unsigned int )((e + 128) << 24U))=1744830466, e=-22, m=4194304, m = m & ~ (1U << 24U)=1744830465, res = m | (unsigned int )((e + 128) << 24U)=1744830466] [L37] COND TRUE 1 VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=1744830465, \old(m)=1, \old(res = m | (unsigned int )((e + 128) << 24U))=1744830466, e=-22, m=4194304, m = m & ~ (1U << 24U)=1744830465, res = m | (unsigned int )((e + 128) << 24U)=1744830466] [L39] COND FALSE !(e <= -128) VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=1744830465, \old(m)=1, \old(res = m | (unsigned int )((e + 128) << 24U))=1744830466, e=-22, m=4194304, m = m & ~ (1U << 24U)=1744830465, res = m | (unsigned int )((e + 128) << 24U)=1744830466] [L45] EXPR e - 1 [L45] e = e - 1 [L46] m = m << 1U VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=1744830465, \old(m)=1, \old(res = m | (unsigned int )((e + 128) << 24U))=1744830466, e=-23, m=8388608, m = m & ~ (1U << 24U)=1744830465, res = m | (unsigned int )((e + 128) << 24U)=1744830466] [L47] COND TRUE m < 1U << 24U VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=1744830465, \old(m)=1, \old(res = m | (unsigned int )((e + 128) << 24U))=1744830466, e=-23, m=8388608, m = m & ~ (1U << 24U)=1744830465, res = m | (unsigned int )((e + 128) << 24U)=1744830466] [L37] COND TRUE 1 VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=1744830465, \old(m)=1, \old(res = m | (unsigned int )((e + 128) << 24U))=1744830466, e=-23, m=8388608, m = m & ~ (1U << 24U)=1744830465, res = m | (unsigned int )((e + 128) << 24U)=1744830466] [L39] COND FALSE !(e <= -128) VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=1744830465, \old(m)=1, \old(res = m | (unsigned int )((e + 128) << 24U))=1744830466, e=-23, m=8388608, m = m & ~ (1U << 24U)=1744830465, res = m | (unsigned int )((e + 128) << 24U)=1744830466] [L45] EXPR e - 1 [L45] e = e - 1 [L46] m = m << 1U VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=1744830465, \old(m)=1, \old(res = m | (unsigned int )((e + 128) << 24U))=1744830466, e=-24, m=16777216, m = m & ~ (1U << 24U)=1744830465, res = m | (unsigned int )((e + 128) << 24U)=1744830466] [L47] COND FALSE !(m < 1U << 24U) VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=1744830465, \old(m)=1, \old(res = m | (unsigned int )((e + 128) << 24U))=1744830466, e=-24, m=16777216, m = m & ~ (1U << 24U)=1744830465, res = m | (unsigned int )((e + 128) << 24U)=1744830466] [L76] m = m & ~ (1U << 24U) VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=1744830465, \old(m)=1, \old(res = m | (unsigned int )((e + 128) << 24U))=1744830466, e=-24, m=0, m = m & ~ (1U << 24U)=1744830465, res = m | (unsigned int )((e + 128) << 24U)=1744830466] [L77] EXPR e + 128 VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=1744830465, \old(m)=1, \old(res = m | (unsigned int )((e + 128) << 24U))=1744830466, e=-24, m=0, m = m & ~ (1U << 24U)=1744830465, res = m | (unsigned int )((e + 128) << 24U)=1744830466] [L77] EXPR (e + 128) << 24U VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=1744830465, \old(m)=1, \old(res = m | (unsigned int )((e + 128) << 24U))=1744830466, e=-24, m=0, m = m & ~ (1U << 24U)=1744830465, res = m | (unsigned int )((e + 128) << 24U)=1744830466] [L77] EXPR e + 128 VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=1744830465, \old(m)=1, \old(res = m | (unsigned int )((e + 128) << 24U))=1744830466, e=-24, m=0, m = m & ~ (1U << 24U)=1744830465, res = m | (unsigned int )((e + 128) << 24U)=1744830466] [L77] EXPR (e + 128) << 24U VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=1744830465, \old(m)=1, \old(res = m | (unsigned int )((e + 128) << 24U))=1744830466, e=-24, m=0, m = m & ~ (1U << 24U)=1744830465, res = m | (unsigned int )((e + 128) << 24U)=1744830466] [L77] res = m | (unsigned int )((e + 128) << 24U) VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=1744830465, \old(m)=1, \old(res = m | (unsigned int )((e + 128) << 24U))=1744830466, e=-24, m=0, m = m & ~ (1U << 24U)=1744830465, res=1744830464, res = m | (unsigned int )((e + 128) << 24U)=1744830464] [L78] __retres4 = res VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=1744830465, \old(m)=1, \old(res = m | (unsigned int )((e + 128) << 24U))=1744830466, __retres4=1744830464, e=-24, m=0, m = m & ~ (1U << 24U)=1744830465, res=1744830464, res = m | (unsigned int )((e + 128) << 24U)=1744830464] [L80] return (__retres4); VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=1744830465, \old(m)=1, \old(res = m | (unsigned int )((e + 128) << 24U))=1744830466, \result=1744830464, __retres4=1744830464, e=-24, m=0, m = m & ~ (1U << 24U)=1744830465, res=1744830464, res = m | (unsigned int )((e + 128) << 24U)=1744830464] [L239] RET, EXPR base2flt(1, 0) VAL [base2flt(1, 0)=1744830464, ea=0, eb=0, m = m & ~ (1U << 24U)=1744830465, res = m | (unsigned int )((e + 128) << 24U)=1744830464, zero=0] [L239] one = base2flt(1, 0) [L240] CALL base2flt(ma, ea) VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=1744830465, \old(m)=16777216, \old(res = m | (unsigned int )((e + 128) << 24U))=1744830464, m = m & ~ (1U << 24U)=1744830465, res = m | (unsigned int )((e + 128) << 24U)=1744830464] [L25] unsigned int res ; [L26] unsigned int __retres4 ; VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=1744830465, \old(m)=16777216, \old(res = m | (unsigned int )((e + 128) << 24U))=1744830464, e=0, m=16777216, m = m & ~ (1U << 24U)=1744830465, res = m | (unsigned int )((e + 128) << 24U)=1744830464] [L29] COND FALSE !(! m) VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=1744830465, \old(m)=16777216, \old(res = m | (unsigned int )((e + 128) << 24U))=1744830464, e=0, m=16777216, m = m & ~ (1U << 24U)=1744830465, res = m | (unsigned int )((e + 128) << 24U)=1744830464] [L35] COND FALSE !(m < 1U << 24U) VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=1744830465, \old(m)=16777216, \old(res = m | (unsigned int )((e + 128) << 24U))=1744830464, e=0, m=16777216, m = m & ~ (1U << 24U)=1744830465, res = m | (unsigned int )((e + 128) << 24U)=1744830464] [L57] COND TRUE 1 VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=1744830465, \old(m)=16777216, \old(res = m | (unsigned int )((e + 128) << 24U))=1744830464, e=0, m=16777216, m = m & ~ (1U << 24U)=1744830465, res = m | (unsigned int )((e + 128) << 24U)=1744830464] [L59] COND FALSE !(m >= 1U << 25U) VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=1744830465, \old(m)=16777216, \old(res = m | (unsigned int )((e + 128) << 24U))=1744830464, e=0, m=16777216, m = m & ~ (1U << 24U)=1744830465, res = m | (unsigned int )((e + 128) << 24U)=1744830464] [L76] m = m & ~ (1U << 24U) VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=1744830465, \old(m)=16777216, \old(res = m | (unsigned int )((e + 128) << 24U))=1744830464, e=0, m=0, m = m & ~ (1U << 24U)=1744830465, res = m | (unsigned int )((e + 128) << 24U)=1744830464] [L77] EXPR e + 128 VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=1744830465, \old(m)=16777216, \old(res = m | (unsigned int )((e + 128) << 24U))=1744830464, e=0, m=0, m = m & ~ (1U << 24U)=1744830465, res = m | (unsigned int )((e + 128) << 24U)=1744830464] [L77] (e + 128) << 24U VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=1744830465, \old(m)=16777216, \old(res = m | (unsigned int )((e + 128) << 24U))=1744830464, e=0, m=0, m = m & ~ (1U << 24U)=1744830465, res = m | (unsigned int )((e + 128) << 24U)=1744830464] - UnprovableResult [Line: 45]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 45]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 70]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 70]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 77]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 77]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 77]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 77]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 77]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 77]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 77]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 172]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 172]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 175]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 175]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 177]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 177]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 178]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 178]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 201]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 201]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 214]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 214]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 214]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 214]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 214]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 214]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 214]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 214]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 143 locations, 30 error locations. Started 1 CEGAR loops. OverallTime: 124.0s, OverallIterations: 17, TraceHistogramMax: 24, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 111.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 23044 SdHoareTripleChecker+Valid, 8.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 23038 mSDsluCounter, 19470 SdHoareTripleChecker+Invalid, 6.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 17133 mSDsCounter, 6261 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10233 IncrementalHoareTripleChecker+Invalid, 16494 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6261 mSolverCounterUnsat, 2337 mSDtfsCounter, 10233 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2074 GetRequests, 1408 SyntacticMatches, 1 SemanticMatches, 665 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24801 ImplicationChecksByTransitivity, 101.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=660occurred in iteration=16, InterpolantAutomatonStates: 566, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 16 MinimizatonAttempts, 14150 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 2.6s SatisfiabilityAnalysisTime, 6.0s InterpolantComputationTime, 1595 NumberOfCodeBlocks, 1595 NumberOfCodeBlocksAsserted, 68 NumberOfCheckSat, 1930 ConstructedInterpolants, 0 QuantifiedInterpolants, 10509 SizeOfPredicates, 11 NumberOfNonLiveVariables, 1882 ConjunctsInSsa, 129 ConjunctsInUnsatCore, 35 InterpolantComputations, 9 PerfectInterpolantSequences, 326/6390 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-07-23 13:36:12,007 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 Using bit-precise analysis No suitable file found in config dir /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config using search string *Overflow*32bit*_Bitvector*.epf No suitable settings file found using Overflow*32bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample