./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/bitvector/soft_float_5a.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 35987657 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_5a.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 f6c91769726962c1478685c30d57ac239987d5f8a5f6832d1d60b9c031f35855 --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-22 00:46:49,771 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 00:46:49,773 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 00:46:49,813 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 00:46:49,814 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 00:46:49,815 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 00:46:49,820 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 00:46:49,823 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 00:46:49,824 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 00:46:49,830 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 00:46:49,831 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 00:46:49,833 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 00:46:49,833 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 00:46:49,836 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 00:46:49,837 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 00:46:49,843 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 00:46:49,844 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 00:46:49,845 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 00:46:49,847 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 00:46:49,849 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 00:46:49,853 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 00:46:49,854 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 00:46:49,855 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 00:46:49,856 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 00:46:49,858 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 00:46:49,862 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 00:46:49,862 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 00:46:49,863 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 00:46:49,863 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 00:46:49,864 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 00:46:49,865 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 00:46:49,865 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 00:46:49,866 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 00:46:49,867 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 00:46:49,868 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 00:46:49,869 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 00:46:49,869 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 00:46:49,870 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 00:46:49,870 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 00:46:49,870 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 00:46:49,871 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 00:46:49,872 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 00:46:49,873 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-07-22 00:46:49,913 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 00:46:49,914 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 00:46:49,914 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 00:46:49,914 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 00:46:49,915 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-22 00:46:49,915 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-22 00:46:49,916 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 00:46:49,916 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 00:46:49,917 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 00:46:49,918 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 00:46:49,918 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-22 00:46:49,918 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-22 00:46:49,918 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-22 00:46:49,918 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-22 00:46:49,919 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 00:46:49,919 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-22 00:46:49,919 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-22 00:46:49,919 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-22 00:46:49,919 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-07-22 00:46:49,920 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-22 00:46:49,920 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 00:46:49,920 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 00:46:49,920 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-22 00:46:49,920 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 00:46:49,921 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 00:46:49,921 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-22 00:46:49,921 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 00:46:49,921 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 00:46:49,921 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-22 00:46:49,922 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-22 00:46:49,922 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-22 00:46:49,922 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-22 00:46:49,922 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-22 00:46:49,923 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f6c91769726962c1478685c30d57ac239987d5f8a5f6832d1d60b9c031f35855 [2022-07-22 00:46:50,225 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 00:46:50,251 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 00:46:50,253 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 00:46:50,254 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 00:46:50,255 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 00:46:50,256 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector/soft_float_5a.c.cil.c [2022-07-22 00:46:50,337 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c7a830fa1/55f3fb9ee3c640098451d792fc4e582e/FLAG00537528b [2022-07-22 00:46:50,806 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 00:46:50,810 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/soft_float_5a.c.cil.c [2022-07-22 00:46:50,820 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c7a830fa1/55f3fb9ee3c640098451d792fc4e582e/FLAG00537528b [2022-07-22 00:46:50,840 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c7a830fa1/55f3fb9ee3c640098451d792fc4e582e [2022-07-22 00:46:50,843 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 00:46:50,844 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 00:46:50,846 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 00:46:50,846 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 00:46:50,848 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 00:46:50,849 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 12:46:50" (1/1) ... [2022-07-22 00:46:50,850 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61b7f375 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:46:50, skipping insertion in model container [2022-07-22 00:46:50,850 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 12:46:50" (1/1) ... [2022-07-22 00:46:50,856 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 00:46:50,893 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 00:46:50,999 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_5a.c.cil.c[728,741] [2022-07-22 00:46:51,051 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 00:46:51,058 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 00:46:51,067 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_5a.c.cil.c[728,741] [2022-07-22 00:46:51,112 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 00:46:51,122 INFO L208 MainTranslator]: Completed translation [2022-07-22 00:46:51,122 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:46:51 WrapperNode [2022-07-22 00:46:51,123 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 00:46:51,124 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 00:46:51,124 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 00:46:51,124 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 00:46:51,130 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:46:51" (1/1) ... [2022-07-22 00:46:51,138 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:46:51" (1/1) ... [2022-07-22 00:46:51,161 INFO L137 Inliner]: procedures = 17, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 188 [2022-07-22 00:46:51,161 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 00:46:51,162 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 00:46:51,162 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 00:46:51,162 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 00:46:51,169 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:46:51" (1/1) ... [2022-07-22 00:46:51,169 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:46:51" (1/1) ... [2022-07-22 00:46:51,172 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:46:51" (1/1) ... [2022-07-22 00:46:51,172 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:46:51" (1/1) ... [2022-07-22 00:46:51,179 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:46:51" (1/1) ... [2022-07-22 00:46:51,184 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:46:51" (1/1) ... [2022-07-22 00:46:51,186 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:46:51" (1/1) ... [2022-07-22 00:46:51,189 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 00:46:51,189 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 00:46:51,190 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 00:46:51,190 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 00:46:51,190 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:46:51" (1/1) ... [2022-07-22 00:46:51,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 00:46:51,207 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 00:46:51,219 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) [2022-07-22 00:46:51,223 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 [2022-07-22 00:46:51,249 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-22 00:46:51,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-22 00:46:51,249 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2022-07-22 00:46:51,250 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2022-07-22 00:46:51,250 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 00:46:51,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 00:46:51,250 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-07-22 00:46:51,250 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-07-22 00:46:51,317 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 00:46:51,319 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 00:46:51,798 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 00:46:51,805 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 00:46:51,805 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-22 00:46:51,807 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 12:46:51 BoogieIcfgContainer [2022-07-22 00:46:51,807 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 00:46:51,809 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-22 00:46:51,809 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-22 00:46:51,825 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-22 00:46:51,825 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.07 12:46:50" (1/3) ... [2022-07-22 00:46:51,826 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c2e071a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 12:46:51, skipping insertion in model container [2022-07-22 00:46:51,826 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:46:51" (2/3) ... [2022-07-22 00:46:51,827 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c2e071a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 12:46:51, skipping insertion in model container [2022-07-22 00:46:51,827 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 12:46:51" (3/3) ... [2022-07-22 00:46:51,828 INFO L111 eAbstractionObserver]: Analyzing ICFG soft_float_5a.c.cil.c [2022-07-22 00:46:51,840 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-22 00:46:51,843 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2022-07-22 00:46:51,916 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-22 00:46:51,925 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@6fa1a51c, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@8f84074 [2022-07-22 00:46:51,925 INFO L358 AbstractCegarLoop]: Starting to check reachability of 18 error locations. [2022-07-22 00:46:51,930 INFO L276 IsEmpty]: Start isEmpty. Operand has 120 states, 94 states have (on average 1.7765957446808511) internal successors, (167), 113 states have internal predecessors, (167), 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) [2022-07-22 00:46:51,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-07-22 00:46:51,937 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 00:46:51,937 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 00:46:51,939 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting base2fltErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-07-22 00:46:51,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 00:46:51,946 INFO L85 PathProgramCache]: Analyzing trace with hash 839293121, now seen corresponding path program 1 times [2022-07-22 00:46:51,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 00:46:51,954 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41462855] [2022-07-22 00:46:51,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 00:46:51,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 00:46:52,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:46:52,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 00:46:52,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 00:46:52,105 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41462855] [2022-07-22 00:46:52,107 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [41462855] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 00:46:52,107 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 00:46:52,107 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-22 00:46:52,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91184503] [2022-07-22 00:46:52,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 00:46:52,113 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-22 00:46:52,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 00:46:52,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-22 00:46:52,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-22 00:46:52,145 INFO L87 Difference]: Start difference. First operand has 120 states, 94 states have (on average 1.7765957446808511) internal successors, (167), 113 states have internal predecessors, (167), 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) [2022-07-22 00:46:52,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 00:46:52,205 INFO L93 Difference]: Finished difference Result 235 states and 355 transitions. [2022-07-22 00:46:52,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-22 00:46:52,208 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 [2022-07-22 00:46:52,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 00:46:52,215 INFO L225 Difference]: With dead ends: 235 [2022-07-22 00:46:52,215 INFO L226 Difference]: Without dead ends: 91 [2022-07-22 00:46:52,226 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 [2022-07-22 00:46:52,231 INFO L413 NwaCegarLoop]: 160 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, 160 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 [2022-07-22 00:46:52,232 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 00:46:52,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2022-07-22 00:46:52,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2022-07-22 00:46:52,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 70 states have (on average 1.542857142857143) internal successors, (108), 85 states have internal predecessors, (108), 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) [2022-07-22 00:46:52,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 116 transitions. [2022-07-22 00:46:52,281 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 116 transitions. Word has length 9 [2022-07-22 00:46:52,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 00:46:52,282 INFO L495 AbstractCegarLoop]: Abstraction has 91 states and 116 transitions. [2022-07-22 00:46:52,282 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) [2022-07-22 00:46:52,283 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 116 transitions. [2022-07-22 00:46:52,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-07-22 00:46:52,284 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 00:46:52,284 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 00:46:52,284 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-22 00:46:52,284 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-07-22 00:46:52,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 00:46:52,285 INFO L85 PathProgramCache]: Analyzing trace with hash 838351773, now seen corresponding path program 1 times [2022-07-22 00:46:52,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 00:46:52,286 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957774996] [2022-07-22 00:46:52,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 00:46:52,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 00:46:52,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:46:52,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 00:46:52,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 00:46:52,364 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [957774996] [2022-07-22 00:46:52,364 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [957774996] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 00:46:52,365 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 00:46:52,365 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 00:46:52,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233029113] [2022-07-22 00:46:52,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 00:46:52,367 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-22 00:46:52,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 00:46:52,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-22 00:46:52,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-22 00:46:52,369 INFO L87 Difference]: Start difference. First operand 91 states and 116 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) [2022-07-22 00:46:52,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 00:46:52,505 INFO L93 Difference]: Finished difference Result 241 states and 325 transitions. [2022-07-22 00:46:52,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-22 00:46:52,506 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 [2022-07-22 00:46:52,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 00:46:52,509 INFO L225 Difference]: With dead ends: 241 [2022-07-22 00:46:52,509 INFO L226 Difference]: Without dead ends: 153 [2022-07-22 00:46:52,510 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 [2022-07-22 00:46:52,511 INFO L413 NwaCegarLoop]: 98 mSDtfsCounter, 106 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 292 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-22 00:46:52,512 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 292 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-22 00:46:52,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2022-07-22 00:46:52,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 140. [2022-07-22 00:46:52,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 118 states have (on average 1.5508474576271187) internal successors, (183), 133 states have internal predecessors, (183), 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) [2022-07-22 00:46:52,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 191 transitions. [2022-07-22 00:46:52,532 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 191 transitions. Word has length 9 [2022-07-22 00:46:52,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 00:46:52,533 INFO L495 AbstractCegarLoop]: Abstraction has 140 states and 191 transitions. [2022-07-22 00:46:52,534 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) [2022-07-22 00:46:52,536 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 191 transitions. [2022-07-22 00:46:52,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-07-22 00:46:52,538 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 00:46:52,538 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 00:46:52,539 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-22 00:46:52,539 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting base2fltErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-07-22 00:46:52,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 00:46:52,547 INFO L85 PathProgramCache]: Analyzing trace with hash -1105067146, now seen corresponding path program 1 times [2022-07-22 00:46:52,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 00:46:52,550 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244310831] [2022-07-22 00:46:52,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 00:46:52,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 00:46:52,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:46:52,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 00:46:52,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 00:46:52,622 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1244310831] [2022-07-22 00:46:52,623 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1244310831] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 00:46:52,623 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 00:46:52,623 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-22 00:46:52,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322376539] [2022-07-22 00:46:52,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 00:46:52,624 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-22 00:46:52,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 00:46:52,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-22 00:46:52,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-22 00:46:52,625 INFO L87 Difference]: Start difference. First operand 140 states and 191 transitions. Second operand has 5 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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) [2022-07-22 00:46:52,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 00:46:52,758 INFO L93 Difference]: Finished difference Result 175 states and 232 transitions. [2022-07-22 00:46:52,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-22 00:46:52,759 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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 13 [2022-07-22 00:46:52,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 00:46:52,763 INFO L225 Difference]: With dead ends: 175 [2022-07-22 00:46:52,763 INFO L226 Difference]: Without dead ends: 172 [2022-07-22 00:46:52,764 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-07-22 00:46:52,769 INFO L413 NwaCegarLoop]: 105 mSDtfsCounter, 161 mSDsluCounter, 287 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 392 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-22 00:46:52,770 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 392 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-22 00:46:52,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2022-07-22 00:46:52,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 147. [2022-07-22 00:46:52,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 125 states have (on average 1.552) internal successors, (194), 140 states have internal predecessors, (194), 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) [2022-07-22 00:46:52,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 202 transitions. [2022-07-22 00:46:52,791 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 202 transitions. Word has length 13 [2022-07-22 00:46:52,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 00:46:52,791 INFO L495 AbstractCegarLoop]: Abstraction has 147 states and 202 transitions. [2022-07-22 00:46:52,791 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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) [2022-07-22 00:46:52,792 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 202 transitions. [2022-07-22 00:46:52,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-07-22 00:46:52,792 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 00:46:52,792 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 00:46:52,793 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-22 00:46:52,793 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting base2fltErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-07-22 00:46:52,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 00:46:52,793 INFO L85 PathProgramCache]: Analyzing trace with hash 102656963, now seen corresponding path program 1 times [2022-07-22 00:46:52,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 00:46:52,794 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109666861] [2022-07-22 00:46:52,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 00:46:52,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 00:46:52,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:46:52,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 00:46:52,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 00:46:52,844 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2109666861] [2022-07-22 00:46:52,844 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2109666861] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 00:46:52,844 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 00:46:52,844 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-22 00:46:52,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43110792] [2022-07-22 00:46:52,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 00:46:52,845 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-22 00:46:52,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 00:46:52,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-22 00:46:52,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-22 00:46:52,847 INFO L87 Difference]: Start difference. First operand 147 states and 202 transitions. Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 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) [2022-07-22 00:46:52,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 00:46:52,968 INFO L93 Difference]: Finished difference Result 326 states and 448 transitions. [2022-07-22 00:46:52,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-22 00:46:52,968 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 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 14 [2022-07-22 00:46:52,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 00:46:52,970 INFO L225 Difference]: With dead ends: 326 [2022-07-22 00:46:52,970 INFO L226 Difference]: Without dead ends: 182 [2022-07-22 00:46:52,970 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-07-22 00:46:52,971 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 190 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 313 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-22 00:46:52,972 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [190 Valid, 313 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-22 00:46:52,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2022-07-22 00:46:52,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 151. [2022-07-22 00:46:52,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 129 states have (on average 1.5271317829457365) internal successors, (197), 144 states have internal predecessors, (197), 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) [2022-07-22 00:46:52,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 205 transitions. [2022-07-22 00:46:52,981 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 205 transitions. Word has length 14 [2022-07-22 00:46:52,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 00:46:52,981 INFO L495 AbstractCegarLoop]: Abstraction has 151 states and 205 transitions. [2022-07-22 00:46:52,981 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 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) [2022-07-22 00:46:52,982 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 205 transitions. [2022-07-22 00:46:52,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-07-22 00:46:52,982 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 00:46:52,982 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 00:46:52,983 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-22 00:46:52,983 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-07-22 00:46:52,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 00:46:52,983 INFO L85 PathProgramCache]: Analyzing trace with hash 1563632331, now seen corresponding path program 1 times [2022-07-22 00:46:52,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 00:46:52,984 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184847726] [2022-07-22 00:46:52,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 00:46:52,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 00:46:52,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:46:53,005 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-22 00:46:53,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 00:46:53,006 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184847726] [2022-07-22 00:46:53,006 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [184847726] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 00:46:53,006 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 00:46:53,006 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-22 00:46:53,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049985672] [2022-07-22 00:46:53,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 00:46:53,007 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 00:46:53,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 00:46:53,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 00:46:53,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 00:46:53,007 INFO L87 Difference]: Start difference. First operand 151 states and 205 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2022-07-22 00:46:53,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 00:46:53,045 INFO L93 Difference]: Finished difference Result 159 states and 215 transitions. [2022-07-22 00:46:53,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 00:46:53,045 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 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 15 [2022-07-22 00:46:53,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 00:46:53,046 INFO L225 Difference]: With dead ends: 159 [2022-07-22 00:46:53,046 INFO L226 Difference]: Without dead ends: 158 [2022-07-22 00:46:53,047 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 00:46:53,049 INFO L413 NwaCegarLoop]: 119 mSDtfsCounter, 5 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-22 00:46:53,050 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 210 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 00:46:53,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2022-07-22 00:46:53,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 149. [2022-07-22 00:46:53,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 128 states have (on average 1.515625) internal successors, (194), 142 states have internal predecessors, (194), 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) [2022-07-22 00:46:53,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 202 transitions. [2022-07-22 00:46:53,068 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 202 transitions. Word has length 15 [2022-07-22 00:46:53,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 00:46:53,069 INFO L495 AbstractCegarLoop]: Abstraction has 149 states and 202 transitions. [2022-07-22 00:46:53,069 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2022-07-22 00:46:53,069 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 202 transitions. [2022-07-22 00:46:53,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-07-22 00:46:53,070 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 00:46:53,070 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 00:46:53,070 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-22 00:46:53,070 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting base2fltErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-07-22 00:46:53,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 00:46:53,071 INFO L85 PathProgramCache]: Analyzing trace with hash 1563634591, now seen corresponding path program 1 times [2022-07-22 00:46:53,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 00:46:53,071 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045748898] [2022-07-22 00:46:53,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 00:46:53,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 00:46:53,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:46:53,135 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 00:46:53,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 00:46:53,136 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045748898] [2022-07-22 00:46:53,136 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1045748898] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 00:46:53,136 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1268309798] [2022-07-22 00:46:53,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 00:46:53,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 00:46:53,137 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 00:46:53,138 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) [2022-07-22 00:46:53,169 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-22 00:46:53,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:46:53,197 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-22 00:46:53,201 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 00:46:53,251 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 00:46:53,251 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 00:46:53,252 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1268309798] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 00:46:53,252 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-22 00:46:53,252 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2022-07-22 00:46:53,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429741898] [2022-07-22 00:46:53,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 00:46:53,253 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-22 00:46:53,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 00:46:53,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-22 00:46:53,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-22 00:46:53,255 INFO L87 Difference]: Start difference. First operand 149 states and 202 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 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) [2022-07-22 00:46:53,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 00:46:53,311 INFO L93 Difference]: Finished difference Result 187 states and 257 transitions. [2022-07-22 00:46:53,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-22 00:46:53,311 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 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 15 [2022-07-22 00:46:53,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 00:46:53,315 INFO L225 Difference]: With dead ends: 187 [2022-07-22 00:46:53,315 INFO L226 Difference]: Without dead ends: 185 [2022-07-22 00:46:53,316 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-22 00:46:53,321 INFO L413 NwaCegarLoop]: 134 mSDtfsCounter, 26 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 334 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-22 00:46:53,321 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 334 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 00:46:53,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2022-07-22 00:46:53,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 151. [2022-07-22 00:46:53,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 130 states have (on average 1.5076923076923077) internal successors, (196), 144 states have internal predecessors, (196), 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) [2022-07-22 00:46:53,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 204 transitions. [2022-07-22 00:46:53,332 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 204 transitions. Word has length 15 [2022-07-22 00:46:53,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 00:46:53,333 INFO L495 AbstractCegarLoop]: Abstraction has 151 states and 204 transitions. [2022-07-22 00:46:53,333 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 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) [2022-07-22 00:46:53,333 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 204 transitions. [2022-07-22 00:46:53,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-07-22 00:46:53,336 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 00:46:53,336 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 00:46:53,367 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-22 00:46:53,559 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-07-22 00:46:53,560 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting base2fltErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-07-22 00:46:53,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 00:46:53,560 INFO L85 PathProgramCache]: Analyzing trace with hash -1393735601, now seen corresponding path program 1 times [2022-07-22 00:46:53,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 00:46:53,560 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750958113] [2022-07-22 00:46:53,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 00:46:53,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 00:46:53,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:46:53,608 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-07-22 00:46:53,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 00:46:53,608 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750958113] [2022-07-22 00:46:53,608 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1750958113] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 00:46:53,608 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 00:46:53,609 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 00:46:53,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526973752] [2022-07-22 00:46:53,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 00:46:53,609 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-22 00:46:53,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 00:46:53,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-22 00:46:53,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-22 00:46:53,610 INFO L87 Difference]: Start difference. First operand 151 states and 204 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, (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) [2022-07-22 00:46:53,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 00:46:53,661 INFO L93 Difference]: Finished difference Result 193 states and 266 transitions. [2022-07-22 00:46:53,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-22 00:46:53,661 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, (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 19 [2022-07-22 00:46:53,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 00:46:53,663 INFO L225 Difference]: With dead ends: 193 [2022-07-22 00:46:53,663 INFO L226 Difference]: Without dead ends: 190 [2022-07-22 00:46:53,663 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-22 00:46:53,664 INFO L413 NwaCegarLoop]: 122 mSDtfsCounter, 30 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-22 00:46:53,664 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 225 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 00:46:53,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2022-07-22 00:46:53,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 156. [2022-07-22 00:46:53,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 136 states have (on average 1.5) internal successors, (204), 149 states have internal predecessors, (204), 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) [2022-07-22 00:46:53,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 212 transitions. [2022-07-22 00:46:53,671 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 212 transitions. Word has length 19 [2022-07-22 00:46:53,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 00:46:53,672 INFO L495 AbstractCegarLoop]: Abstraction has 156 states and 212 transitions. [2022-07-22 00:46:53,672 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, (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) [2022-07-22 00:46:53,672 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 212 transitions. [2022-07-22 00:46:53,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-07-22 00:46:53,673 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 00:46:53,673 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 00:46:53,673 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-22 00:46:53,674 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-07-22 00:46:53,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 00:46:53,674 INFO L85 PathProgramCache]: Analyzing trace with hash -1984698145, now seen corresponding path program 1 times [2022-07-22 00:46:53,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 00:46:53,674 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1802638564] [2022-07-22 00:46:53,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 00:46:53,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 00:46:53,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:46:53,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 00:46:53,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:46:53,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-22 00:46:53,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:46:53,745 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-07-22 00:46:53,747 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 00:46:53,748 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1802638564] [2022-07-22 00:46:53,748 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1802638564] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 00:46:53,748 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [238225906] [2022-07-22 00:46:53,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 00:46:53,749 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 00:46:53,749 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 00:46:53,750 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) [2022-07-22 00:46:53,751 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-22 00:46:53,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:46:53,798 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 00:46:53,799 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 00:46:53,819 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-07-22 00:46:53,819 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 00:46:53,819 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [238225906] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 00:46:53,820 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-22 00:46:53,820 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 5 [2022-07-22 00:46:53,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343112245] [2022-07-22 00:46:53,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 00:46:53,820 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-22 00:46:53,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 00:46:53,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-22 00:46:53,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-22 00:46:53,821 INFO L87 Difference]: Start difference. First operand 156 states and 212 transitions. Second operand has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 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) [2022-07-22 00:46:53,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 00:46:53,911 INFO L93 Difference]: Finished difference Result 238 states and 331 transitions. [2022-07-22 00:46:53,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-22 00:46:53,912 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 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 23 [2022-07-22 00:46:53,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 00:46:53,913 INFO L225 Difference]: With dead ends: 238 [2022-07-22 00:46:53,913 INFO L226 Difference]: Without dead ends: 235 [2022-07-22 00:46:53,914 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-22 00:46:53,914 INFO L413 NwaCegarLoop]: 89 mSDtfsCounter, 169 mSDsluCounter, 219 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 308 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-22 00:46:53,915 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 308 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-22 00:46:53,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2022-07-22 00:46:53,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 193. [2022-07-22 00:46:53,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 172 states have (on average 1.5174418604651163) internal successors, (261), 185 states have internal predecessors, (261), 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) [2022-07-22 00:46:53,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 269 transitions. [2022-07-22 00:46:53,923 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 269 transitions. Word has length 23 [2022-07-22 00:46:53,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 00:46:53,923 INFO L495 AbstractCegarLoop]: Abstraction has 193 states and 269 transitions. [2022-07-22 00:46:53,924 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 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) [2022-07-22 00:46:53,924 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 269 transitions. [2022-07-22 00:46:53,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-07-22 00:46:53,925 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 00:46:53,925 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] [2022-07-22 00:46:53,951 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-22 00:46:54,148 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2022-07-22 00:46:54,148 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting base2fltErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-07-22 00:46:54,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 00:46:54,149 INFO L85 PathProgramCache]: Analyzing trace with hash 558011975, now seen corresponding path program 1 times [2022-07-22 00:46:54,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 00:46:54,149 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56347924] [2022-07-22 00:46:54,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 00:46:54,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 00:46:54,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:46:54,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 00:46:54,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:46:54,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-22 00:46:54,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:46:54,209 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-07-22 00:46:54,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 00:46:54,210 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [56347924] [2022-07-22 00:46:54,210 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [56347924] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 00:46:54,210 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1736753727] [2022-07-22 00:46:54,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 00:46:54,210 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 00:46:54,210 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 00:46:54,212 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) [2022-07-22 00:46:54,235 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-22 00:46:54,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:46:54,262 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 00:46:54,263 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 00:46:54,294 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-07-22 00:46:54,295 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 00:46:54,296 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1736753727] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 00:46:54,297 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-22 00:46:54,297 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 5 [2022-07-22 00:46:54,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610226009] [2022-07-22 00:46:54,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 00:46:54,298 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-22 00:46:54,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 00:46:54,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-22 00:46:54,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-22 00:46:54,299 INFO L87 Difference]: Start difference. First operand 193 states and 269 transitions. Second operand has 5 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 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) [2022-07-22 00:46:54,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 00:46:54,377 INFO L93 Difference]: Finished difference Result 226 states and 310 transitions. [2022-07-22 00:46:54,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-22 00:46:54,377 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 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 25 [2022-07-22 00:46:54,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 00:46:54,379 INFO L225 Difference]: With dead ends: 226 [2022-07-22 00:46:54,379 INFO L226 Difference]: Without dead ends: 223 [2022-07-22 00:46:54,379 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-22 00:46:54,380 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 149 mSDsluCounter, 224 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 318 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-22 00:46:54,380 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 318 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-22 00:46:54,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2022-07-22 00:46:54,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 185. [2022-07-22 00:46:54,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 164 states have (on average 1.5) internal successors, (246), 177 states have internal predecessors, (246), 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) [2022-07-22 00:46:54,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 254 transitions. [2022-07-22 00:46:54,388 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 254 transitions. Word has length 25 [2022-07-22 00:46:54,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 00:46:54,389 INFO L495 AbstractCegarLoop]: Abstraction has 185 states and 254 transitions. [2022-07-22 00:46:54,389 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 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) [2022-07-22 00:46:54,389 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 254 transitions. [2022-07-22 00:46:54,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-07-22 00:46:54,390 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 00:46:54,390 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 00:46:54,416 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-07-22 00:46:54,603 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 00:46:54,604 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-07-22 00:46:54,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 00:46:54,604 INFO L85 PathProgramCache]: Analyzing trace with hash 1892329959, now seen corresponding path program 1 times [2022-07-22 00:46:54,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 00:46:54,604 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219098605] [2022-07-22 00:46:54,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 00:46:54,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 00:46:54,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:46:54,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 00:46:54,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:46:54,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-22 00:46:54,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:46:54,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-22 00:46:54,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:46:54,688 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-07-22 00:46:54,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 00:46:54,689 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [219098605] [2022-07-22 00:46:54,689 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [219098605] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 00:46:54,689 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1364033983] [2022-07-22 00:46:54,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 00:46:54,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 00:46:54,690 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 00:46:54,692 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) [2022-07-22 00:46:54,703 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-07-22 00:46:54,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:46:54,745 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 00:46:54,747 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 00:46:54,771 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-07-22 00:46:54,772 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 00:46:54,772 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1364033983] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 00:46:54,772 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-22 00:46:54,772 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 5 [2022-07-22 00:46:54,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208541250] [2022-07-22 00:46:54,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 00:46:54,773 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-22 00:46:54,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 00:46:54,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-22 00:46:54,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-22 00:46:54,774 INFO L87 Difference]: Start difference. First operand 185 states and 254 transitions. Second operand has 5 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-07-22 00:46:54,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 00:46:54,851 INFO L93 Difference]: Finished difference Result 215 states and 296 transitions. [2022-07-22 00:46:54,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-22 00:46:54,852 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 30 [2022-07-22 00:46:54,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 00:46:54,853 INFO L225 Difference]: With dead ends: 215 [2022-07-22 00:46:54,853 INFO L226 Difference]: Without dead ends: 212 [2022-07-22 00:46:54,853 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-22 00:46:54,855 INFO L413 NwaCegarLoop]: 86 mSDtfsCounter, 167 mSDsluCounter, 211 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 297 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-22 00:46:54,855 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [169 Valid, 297 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-22 00:46:54,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2022-07-22 00:46:54,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 173. [2022-07-22 00:46:54,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 155 states have (on average 1.4580645161290322) internal successors, (226), 165 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) [2022-07-22 00:46:54,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 234 transitions. [2022-07-22 00:46:54,866 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 234 transitions. Word has length 30 [2022-07-22 00:46:54,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 00:46:54,867 INFO L495 AbstractCegarLoop]: Abstraction has 173 states and 234 transitions. [2022-07-22 00:46:54,867 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-07-22 00:46:54,867 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 234 transitions. [2022-07-22 00:46:54,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-07-22 00:46:54,870 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 00:46:54,870 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 00:46:54,895 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-07-22 00:46:55,095 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 00:46:55,096 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting base2fltErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-07-22 00:46:55,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 00:46:55,096 INFO L85 PathProgramCache]: Analyzing trace with hash -1649593009, now seen corresponding path program 1 times [2022-07-22 00:46:55,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 00:46:55,096 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738477784] [2022-07-22 00:46:55,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 00:46:55,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 00:46:55,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:46:55,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 00:46:55,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:46:55,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-22 00:46:55,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:46:55,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-22 00:46:55,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:46:55,147 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-07-22 00:46:55,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 00:46:55,148 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738477784] [2022-07-22 00:46:55,148 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [738477784] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 00:46:55,148 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1617514431] [2022-07-22 00:46:55,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 00:46:55,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 00:46:55,149 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 00:46:55,150 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) [2022-07-22 00:46:55,151 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-07-22 00:46:55,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:46:55,199 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 00:46:55,206 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 00:46:55,228 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-07-22 00:46:55,228 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 00:46:55,228 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1617514431] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 00:46:55,228 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-22 00:46:55,229 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 5 [2022-07-22 00:46:55,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915402263] [2022-07-22 00:46:55,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 00:46:55,229 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-22 00:46:55,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 00:46:55,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-22 00:46:55,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-22 00:46:55,230 INFO L87 Difference]: Start difference. First operand 173 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, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-07-22 00:46:55,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 00:46:55,315 INFO L93 Difference]: Finished difference Result 203 states and 275 transitions. [2022-07-22 00:46:55,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-22 00:46:55,315 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, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 32 [2022-07-22 00:46:55,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 00:46:55,316 INFO L225 Difference]: With dead ends: 203 [2022-07-22 00:46:55,317 INFO L226 Difference]: Without dead ends: 200 [2022-07-22 00:46:55,317 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-22 00:46:55,317 INFO L413 NwaCegarLoop]: 89 mSDtfsCounter, 147 mSDsluCounter, 214 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 303 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-22 00:46:55,318 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 303 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-22 00:46:55,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2022-07-22 00:46:55,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 162. [2022-07-22 00:46:55,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 147 states have (on average 1.435374149659864) internal successors, (211), 154 states have internal predecessors, (211), 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) [2022-07-22 00:46:55,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 219 transitions. [2022-07-22 00:46:55,326 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 219 transitions. Word has length 32 [2022-07-22 00:46:55,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 00:46:55,326 INFO L495 AbstractCegarLoop]: Abstraction has 162 states and 219 transitions. [2022-07-22 00:46:55,326 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, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-07-22 00:46:55,326 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 219 transitions. [2022-07-22 00:46:55,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-07-22 00:46:55,327 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 00:46:55,327 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 00:46:55,347 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-07-22 00:46:55,539 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-07-22 00:46:55,540 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-07-22 00:46:55,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 00:46:55,540 INFO L85 PathProgramCache]: Analyzing trace with hash -1309482490, now seen corresponding path program 1 times [2022-07-22 00:46:55,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 00:46:55,541 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607917900] [2022-07-22 00:46:55,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 00:46:55,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 00:46:55,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:46:55,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 00:46:55,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:46:55,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-22 00:46:55,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:46:55,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-22 00:46:55,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:46:55,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-22 00:46:55,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:46:55,607 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-07-22 00:46:55,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 00:46:55,607 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [607917900] [2022-07-22 00:46:55,607 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [607917900] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 00:46:55,607 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [922560547] [2022-07-22 00:46:55,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 00:46:55,608 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 00:46:55,608 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 00:46:55,609 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) [2022-07-22 00:46:55,634 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-07-22 00:46:55,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:46:55,670 INFO L263 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 22 conjunts are in the unsatisfiable core [2022-07-22 00:46:55,672 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 00:46:55,750 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 15 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-22 00:46:55,750 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 00:46:55,909 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-07-22 00:46:55,909 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [922560547] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-22 00:46:55,909 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-22 00:46:55,909 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 10, 8] total 19 [2022-07-22 00:46:55,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119602968] [2022-07-22 00:46:55,910 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-22 00:46:55,910 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-07-22 00:46:55,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 00:46:55,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-07-22 00:46:55,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=299, Unknown=0, NotChecked=0, Total=342 [2022-07-22 00:46:55,911 INFO L87 Difference]: Start difference. First operand 162 states and 219 transitions. Second operand has 19 states, 19 states have (on average 2.3684210526315788) internal successors, (45), 16 states have internal predecessors, (45), 4 states have call successors, (9), 2 states have call predecessors, (9), 5 states have return successors, (10), 6 states have call predecessors, (10), 4 states have call successors, (10) [2022-07-22 00:46:56,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 00:46:56,578 INFO L93 Difference]: Finished difference Result 723 states and 944 transitions. [2022-07-22 00:46:56,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-07-22 00:46:56,579 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 2.3684210526315788) internal successors, (45), 16 states have internal predecessors, (45), 4 states have call successors, (9), 2 states have call predecessors, (9), 5 states have return successors, (10), 6 states have call predecessors, (10), 4 states have call successors, (10) Word has length 37 [2022-07-22 00:46:56,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 00:46:56,581 INFO L225 Difference]: With dead ends: 723 [2022-07-22 00:46:56,581 INFO L226 Difference]: Without dead ends: 475 [2022-07-22 00:46:56,582 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 251 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=227, Invalid=1255, Unknown=0, NotChecked=0, Total=1482 [2022-07-22 00:46:56,583 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 412 mSDsluCounter, 1028 mSDsCounter, 0 mSdLazyCounter, 492 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 412 SdHoareTripleChecker+Valid, 1121 SdHoareTripleChecker+Invalid, 532 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 492 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-22 00:46:56,583 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [412 Valid, 1121 Invalid, 532 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 492 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-22 00:46:56,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 475 states. [2022-07-22 00:46:56,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 475 to 185. [2022-07-22 00:46:56,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 169 states have (on average 1.3905325443786982) internal successors, (235), 176 states have internal predecessors, (235), 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) [2022-07-22 00:46:56,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 243 transitions. [2022-07-22 00:46:56,598 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 243 transitions. Word has length 37 [2022-07-22 00:46:56,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 00:46:56,598 INFO L495 AbstractCegarLoop]: Abstraction has 185 states and 243 transitions. [2022-07-22 00:46:56,598 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 2.3684210526315788) internal successors, (45), 16 states have internal predecessors, (45), 4 states have call successors, (9), 2 states have call predecessors, (9), 5 states have return successors, (10), 6 states have call predecessors, (10), 4 states have call successors, (10) [2022-07-22 00:46:56,598 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 243 transitions. [2022-07-22 00:46:56,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-07-22 00:46:56,599 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 00:46:56,599 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2022-07-22 00:46:56,626 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-07-22 00:46:56,813 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 00:46:56,814 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-07-22 00:46:56,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 00:46:56,814 INFO L85 PathProgramCache]: Analyzing trace with hash 776524844, now seen corresponding path program 1 times [2022-07-22 00:46:56,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 00:46:56,814 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073035534] [2022-07-22 00:46:56,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 00:46:56,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 00:46:56,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:46:56,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 00:46:56,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:46:56,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-22 00:46:56,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:46:56,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-22 00:46:56,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:46:56,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-22 00:46:56,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:46:56,917 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-07-22 00:46:56,917 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 00:46:56,917 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1073035534] [2022-07-22 00:46:56,917 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1073035534] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 00:46:56,917 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 00:46:56,917 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-22 00:46:56,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85196991] [2022-07-22 00:46:56,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 00:46:56,918 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-22 00:46:56,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 00:46:56,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-22 00:46:56,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-22 00:46:56,919 INFO L87 Difference]: Start difference. First operand 185 states and 243 transitions. Second operand has 9 states, 9 states have (on average 3.888888888888889) internal successors, (35), 7 states have internal predecessors, (35), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2022-07-22 00:46:57,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 00:46:57,039 INFO L93 Difference]: Finished difference Result 370 states and 452 transitions. [2022-07-22 00:46:57,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-22 00:46:57,040 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.888888888888889) internal successors, (35), 7 states have internal predecessors, (35), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 57 [2022-07-22 00:46:57,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 00:46:57,042 INFO L225 Difference]: With dead ends: 370 [2022-07-22 00:46:57,042 INFO L226 Difference]: Without dead ends: 314 [2022-07-22 00:46:57,042 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2022-07-22 00:46:57,043 INFO L413 NwaCegarLoop]: 98 mSDtfsCounter, 152 mSDsluCounter, 628 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 726 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-22 00:46:57,043 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 726 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-22 00:46:57,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2022-07-22 00:46:57,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 185. [2022-07-22 00:46:57,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 169 states have (on average 1.378698224852071) internal successors, (233), 176 states have internal predecessors, (233), 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) [2022-07-22 00:46:57,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 241 transitions. [2022-07-22 00:46:57,067 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 241 transitions. Word has length 57 [2022-07-22 00:46:57,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 00:46:57,067 INFO L495 AbstractCegarLoop]: Abstraction has 185 states and 241 transitions. [2022-07-22 00:46:57,067 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.888888888888889) internal successors, (35), 7 states have internal predecessors, (35), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2022-07-22 00:46:57,068 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 241 transitions. [2022-07-22 00:46:57,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-07-22 00:46:57,069 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 00:46:57,069 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 00:46:57,069 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-07-22 00:46:57,069 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-07-22 00:46:57,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 00:46:57,070 INFO L85 PathProgramCache]: Analyzing trace with hash -828181155, now seen corresponding path program 2 times [2022-07-22 00:46:57,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 00:46:57,070 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980695718] [2022-07-22 00:46:57,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 00:46:57,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 00:46:57,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:46:57,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 00:46:57,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:46:57,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-22 00:46:57,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:46:57,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-22 00:46:57,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:46:57,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-22 00:46:57,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:46:57,155 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 4 proven. 19 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-07-22 00:46:57,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 00:46:57,156 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [980695718] [2022-07-22 00:46:57,156 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [980695718] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 00:46:57,156 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [748928502] [2022-07-22 00:46:57,156 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-22 00:46:57,156 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 00:46:57,157 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 00:46:57,158 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) [2022-07-22 00:46:57,162 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-07-22 00:46:57,206 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-22 00:46:57,206 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-22 00:46:57,207 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-22 00:46:57,209 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 00:46:57,265 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-07-22 00:46:57,265 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 00:46:57,265 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [748928502] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 00:46:57,265 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-22 00:46:57,266 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [7] total 13 [2022-07-22 00:46:57,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582738721] [2022-07-22 00:46:57,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 00:46:57,266 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-22 00:46:57,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 00:46:57,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-22 00:46:57,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2022-07-22 00:46:57,267 INFO L87 Difference]: Start difference. First operand 185 states and 241 transitions. Second operand has 8 states, 8 states have (on average 4.375) internal successors, (35), 7 states have internal predecessors, (35), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2022-07-22 00:46:57,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 00:46:57,391 INFO L93 Difference]: Finished difference Result 317 states and 389 transitions. [2022-07-22 00:46:57,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-22 00:46:57,392 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.375) internal successors, (35), 7 states have internal predecessors, (35), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 61 [2022-07-22 00:46:57,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 00:46:57,393 INFO L225 Difference]: With dead ends: 317 [2022-07-22 00:46:57,394 INFO L226 Difference]: Without dead ends: 279 [2022-07-22 00:46:57,394 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=200, Unknown=0, NotChecked=0, Total=240 [2022-07-22 00:46:57,394 INFO L413 NwaCegarLoop]: 130 mSDtfsCounter, 173 mSDsluCounter, 656 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 786 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-22 00:46:57,395 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 786 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-22 00:46:57,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2022-07-22 00:46:57,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 216. [2022-07-22 00:46:57,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 199 states have (on average 1.35678391959799) internal successors, (270), 206 states have internal predecessors, (270), 4 states have call successors, (4), 4 states have call predecessors, (4), 5 states have return successors, (5), 5 states have call predecessors, (5), 4 states have call successors, (5) [2022-07-22 00:46:57,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 279 transitions. [2022-07-22 00:46:57,410 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 279 transitions. Word has length 61 [2022-07-22 00:46:57,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 00:46:57,411 INFO L495 AbstractCegarLoop]: Abstraction has 216 states and 279 transitions. [2022-07-22 00:46:57,411 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.375) internal successors, (35), 7 states have internal predecessors, (35), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2022-07-22 00:46:57,411 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 279 transitions. [2022-07-22 00:46:57,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-07-22 00:46:57,412 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 00:46:57,412 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 00:46:57,442 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-07-22 00:46:57,635 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 00:46:57,636 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-07-22 00:46:57,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 00:46:57,636 INFO L85 PathProgramCache]: Analyzing trace with hash -828183077, now seen corresponding path program 1 times [2022-07-22 00:46:57,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 00:46:57,636 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574157190] [2022-07-22 00:46:57,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 00:46:57,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 00:46:57,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:46:57,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 00:46:57,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:46:57,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-22 00:46:57,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:46:57,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-22 00:46:57,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:46:57,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-22 00:46:57,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:46:57,715 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 4 proven. 19 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-07-22 00:46:57,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 00:46:57,715 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574157190] [2022-07-22 00:46:57,716 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [574157190] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 00:46:57,716 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [828959777] [2022-07-22 00:46:57,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 00:46:57,716 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 00:46:57,716 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 00:46:57,717 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) [2022-07-22 00:46:57,745 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-07-22 00:46:57,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:46:57,786 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-22 00:46:57,790 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 00:46:57,838 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 26 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-07-22 00:46:57,839 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 00:46:57,950 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 4 proven. 19 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-07-22 00:46:57,950 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [828959777] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-22 00:46:57,950 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-22 00:46:57,951 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 15 [2022-07-22 00:46:57,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764534073] [2022-07-22 00:46:57,951 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-22 00:46:57,951 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-07-22 00:46:57,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 00:46:57,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-07-22 00:46:57,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2022-07-22 00:46:57,952 INFO L87 Difference]: Start difference. First operand 216 states and 279 transitions. Second operand has 15 states, 15 states have (on average 5.666666666666667) internal successors, (85), 14 states have internal predecessors, (85), 2 states have call successors, (10), 3 states have call predecessors, (10), 5 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-07-22 00:46:58,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 00:46:58,473 INFO L93 Difference]: Finished difference Result 1111 states and 1461 transitions. [2022-07-22 00:46:58,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-07-22 00:46:58,473 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 5.666666666666667) internal successors, (85), 14 states have internal predecessors, (85), 2 states have call successors, (10), 3 states have call predecessors, (10), 5 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 61 [2022-07-22 00:46:58,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 00:46:58,477 INFO L225 Difference]: With dead ends: 1111 [2022-07-22 00:46:58,477 INFO L226 Difference]: Without dead ends: 931 [2022-07-22 00:46:58,478 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 222 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=346, Invalid=710, Unknown=0, NotChecked=0, Total=1056 [2022-07-22 00:46:58,478 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 706 mSDsluCounter, 504 mSDsCounter, 0 mSdLazyCounter, 297 mSolverCounterSat, 123 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 706 SdHoareTripleChecker+Valid, 605 SdHoareTripleChecker+Invalid, 420 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 123 IncrementalHoareTripleChecker+Valid, 297 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-22 00:46:58,478 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [706 Valid, 605 Invalid, 420 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [123 Valid, 297 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-22 00:46:58,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 931 states. [2022-07-22 00:46:58,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 931 to 236. [2022-07-22 00:46:58,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 236 states, 219 states have (on average 1.3424657534246576) internal successors, (294), 226 states have internal predecessors, (294), 4 states have call successors, (4), 4 states have call predecessors, (4), 5 states have return successors, (5), 5 states have call predecessors, (5), 4 states have call successors, (5) [2022-07-22 00:46:58,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 303 transitions. [2022-07-22 00:46:58,499 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 303 transitions. Word has length 61 [2022-07-22 00:46:58,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 00:46:58,499 INFO L495 AbstractCegarLoop]: Abstraction has 236 states and 303 transitions. [2022-07-22 00:46:58,500 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 5.666666666666667) internal successors, (85), 14 states have internal predecessors, (85), 2 states have call successors, (10), 3 states have call predecessors, (10), 5 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-07-22 00:46:58,500 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 303 transitions. [2022-07-22 00:46:58,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-07-22 00:46:58,501 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 00:46:58,501 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 00:46:58,527 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-07-22 00:46:58,717 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,SelfDestructingSolverStorable14 [2022-07-22 00:46:58,718 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-07-22 00:46:58,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 00:46:58,718 INFO L85 PathProgramCache]: Analyzing trace with hash 1752267481, now seen corresponding path program 1 times [2022-07-22 00:46:58,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 00:46:58,719 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970897389] [2022-07-22 00:46:58,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 00:46:58,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 00:46:58,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:46:58,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 00:46:58,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:46:58,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-22 00:46:58,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:46:58,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-22 00:46:58,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:46:58,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-07-22 00:46:58,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:46:58,822 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-07-22 00:46:58,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 00:46:58,823 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970897389] [2022-07-22 00:46:58,824 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1970897389] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 00:46:58,824 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1127090551] [2022-07-22 00:46:58,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 00:46:58,824 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 00:46:58,825 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 00:46:58,826 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) [2022-07-22 00:46:58,857 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-07-22 00:46:58,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:46:58,894 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 14 conjunts are in the unsatisfiable core [2022-07-22 00:46:58,896 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 00:46:58,970 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-07-22 00:46:58,971 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 00:46:59,117 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-22 00:46:59,118 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1127090551] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-22 00:46:59,118 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-22 00:46:59,119 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7, 6] total 15 [2022-07-22 00:46:59,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246237175] [2022-07-22 00:46:59,119 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-22 00:46:59,119 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-07-22 00:46:59,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 00:46:59,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-07-22 00:46:59,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2022-07-22 00:46:59,120 INFO L87 Difference]: Start difference. First operand 236 states and 303 transitions. Second operand has 15 states, 15 states have (on average 5.266666666666667) internal successors, (79), 12 states have internal predecessors, (79), 4 states have call successors, (11), 2 states have call predecessors, (11), 4 states have return successors, (12), 6 states have call predecessors, (12), 4 states have call successors, (12) [2022-07-22 00:47:00,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 00:47:00,049 INFO L93 Difference]: Finished difference Result 691 states and 875 transitions. [2022-07-22 00:47:00,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-07-22 00:47:00,049 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 5.266666666666667) internal successors, (79), 12 states have internal predecessors, (79), 4 states have call successors, (11), 2 states have call predecessors, (11), 4 states have return successors, (12), 6 states have call predecessors, (12), 4 states have call successors, (12) Word has length 64 [2022-07-22 00:47:00,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 00:47:00,052 INFO L225 Difference]: With dead ends: 691 [2022-07-22 00:47:00,052 INFO L226 Difference]: Without dead ends: 498 [2022-07-22 00:47:00,053 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 725 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=565, Invalid=1985, Unknown=0, NotChecked=0, Total=2550 [2022-07-22 00:47:00,054 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 573 mSDsluCounter, 511 mSDsCounter, 0 mSdLazyCounter, 320 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 573 SdHoareTripleChecker+Valid, 605 SdHoareTripleChecker+Invalid, 368 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 320 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-22 00:47:00,054 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [573 Valid, 605 Invalid, 368 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 320 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-22 00:47:00,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 498 states. [2022-07-22 00:47:00,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 498 to 236. [2022-07-22 00:47:00,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 236 states, 219 states have (on average 1.3242009132420092) internal successors, (290), 226 states have internal predecessors, (290), 4 states have call successors, (4), 4 states have call predecessors, (4), 5 states have return successors, (5), 5 states have call predecessors, (5), 4 states have call successors, (5) [2022-07-22 00:47:00,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 299 transitions. [2022-07-22 00:47:00,075 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 299 transitions. Word has length 64 [2022-07-22 00:47:00,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 00:47:00,075 INFO L495 AbstractCegarLoop]: Abstraction has 236 states and 299 transitions. [2022-07-22 00:47:00,075 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 5.266666666666667) internal successors, (79), 12 states have internal predecessors, (79), 4 states have call successors, (11), 2 states have call predecessors, (11), 4 states have return successors, (12), 6 states have call predecessors, (12), 4 states have call successors, (12) [2022-07-22 00:47:00,075 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 299 transitions. [2022-07-22 00:47:00,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-07-22 00:47:00,076 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 00:47:00,076 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 00:47:00,102 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-07-22 00:47:00,291 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,SelfDestructingSolverStorable15 [2022-07-22 00:47:00,291 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-07-22 00:47:00,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 00:47:00,292 INFO L85 PathProgramCache]: Analyzing trace with hash 22079575, now seen corresponding path program 1 times [2022-07-22 00:47:00,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 00:47:00,292 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723875836] [2022-07-22 00:47:00,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 00:47:00,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 00:47:00,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:47:00,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 00:47:00,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:47:00,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-22 00:47:00,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:47:00,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-22 00:47:00,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:47:00,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-22 00:47:00,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:47:00,406 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 4 proven. 15 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-07-22 00:47:00,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 00:47:00,407 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723875836] [2022-07-22 00:47:00,407 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [723875836] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 00:47:00,407 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1257288734] [2022-07-22 00:47:00,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 00:47:00,407 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 00:47:00,408 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 00:47:00,409 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) [2022-07-22 00:47:00,412 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-07-22 00:47:00,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:47:00,475 INFO L263 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 9 conjunts are in the unsatisfiable core [2022-07-22 00:47:00,477 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 00:47:00,539 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 26 proven. 5 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-07-22 00:47:00,540 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 00:47:00,673 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 4 proven. 15 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-07-22 00:47:00,674 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1257288734] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-22 00:47:00,674 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-22 00:47:00,674 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 14 [2022-07-22 00:47:00,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373376045] [2022-07-22 00:47:00,674 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-22 00:47:00,674 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-07-22 00:47:00,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 00:47:00,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-07-22 00:47:00,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2022-07-22 00:47:00,675 INFO L87 Difference]: Start difference. First operand 236 states and 299 transitions. Second operand has 14 states, 14 states have (on average 7.071428571428571) internal successors, (99), 13 states have internal predecessors, (99), 2 states have call successors, (10), 3 states have call predecessors, (10), 4 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-07-22 00:47:01,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 00:47:01,389 INFO L93 Difference]: Finished difference Result 866 states and 1099 transitions. [2022-07-22 00:47:01,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-07-22 00:47:01,390 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 7.071428571428571) internal successors, (99), 13 states have internal predecessors, (99), 2 states have call successors, (10), 3 states have call predecessors, (10), 4 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 71 [2022-07-22 00:47:01,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 00:47:01,394 INFO L225 Difference]: With dead ends: 866 [2022-07-22 00:47:01,394 INFO L226 Difference]: Without dead ends: 630 [2022-07-22 00:47:01,395 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 288 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=345, Invalid=845, Unknown=0, NotChecked=0, Total=1190 [2022-07-22 00:47:01,395 INFO L413 NwaCegarLoop]: 119 mSDtfsCounter, 540 mSDsluCounter, 546 mSDsCounter, 0 mSdLazyCounter, 415 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 540 SdHoareTripleChecker+Valid, 665 SdHoareTripleChecker+Invalid, 513 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 415 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-22 00:47:01,396 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [540 Valid, 665 Invalid, 513 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 415 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-22 00:47:01,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 630 states. [2022-07-22 00:47:01,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 630 to 267. [2022-07-22 00:47:01,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 267 states, 250 states have (on average 1.284) internal successors, (321), 257 states have internal predecessors, (321), 4 states have call successors, (4), 4 states have call predecessors, (4), 5 states have return successors, (5), 5 states have call predecessors, (5), 4 states have call successors, (5) [2022-07-22 00:47:01,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 330 transitions. [2022-07-22 00:47:01,430 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 330 transitions. Word has length 71 [2022-07-22 00:47:01,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 00:47:01,430 INFO L495 AbstractCegarLoop]: Abstraction has 267 states and 330 transitions. [2022-07-22 00:47:01,430 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 7.071428571428571) internal successors, (99), 13 states have internal predecessors, (99), 2 states have call successors, (10), 3 states have call predecessors, (10), 4 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-07-22 00:47:01,431 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 330 transitions. [2022-07-22 00:47:01,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-07-22 00:47:01,431 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 00:47:01,432 INFO L195 NwaCegarLoop]: trace histogram [7, 6, 6, 6, 6, 4, 4, 4, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 00:47:01,455 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-07-22 00:47:01,647 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,SelfDestructingSolverStorable16 [2022-07-22 00:47:01,647 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-07-22 00:47:01,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 00:47:01,648 INFO L85 PathProgramCache]: Analyzing trace with hash -859088779, now seen corresponding path program 1 times [2022-07-22 00:47:01,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 00:47:01,648 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949978492] [2022-07-22 00:47:01,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 00:47:01,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 00:47:01,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:47:01,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 00:47:01,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:47:01,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-22 00:47:01,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:47:01,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-07-22 00:47:01,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:47:01,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-22 00:47:01,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:47:01,793 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 4 proven. 97 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-07-22 00:47:01,793 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 00:47:01,794 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1949978492] [2022-07-22 00:47:01,794 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1949978492] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 00:47:01,794 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1509010625] [2022-07-22 00:47:01,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 00:47:01,794 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 00:47:01,794 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 00:47:01,795 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) [2022-07-22 00:47:01,799 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-07-22 00:47:01,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:47:01,862 INFO L263 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 9 conjunts are in the unsatisfiable core [2022-07-22 00:47:01,864 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 00:47:01,982 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 26 proven. 87 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-07-22 00:47:01,983 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 00:47:02,248 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 4 proven. 97 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-07-22 00:47:02,248 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1509010625] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-22 00:47:02,248 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-22 00:47:02,248 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 10] total 27 [2022-07-22 00:47:02,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181643205] [2022-07-22 00:47:02,249 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-22 00:47:02,249 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-07-22 00:47:02,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 00:47:02,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-07-22 00:47:02,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=232, Invalid=470, Unknown=0, NotChecked=0, Total=702 [2022-07-22 00:47:02,250 INFO L87 Difference]: Start difference. First operand 267 states and 330 transitions. Second operand has 27 states, 27 states have (on average 5.444444444444445) internal successors, (147), 26 states have internal predecessors, (147), 2 states have call successors, (10), 3 states have call predecessors, (10), 5 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-07-22 00:47:03,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 00:47:03,373 INFO L93 Difference]: Finished difference Result 1871 states and 2467 transitions. [2022-07-22 00:47:03,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-07-22 00:47:03,373 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 5.444444444444445) internal successors, (147), 26 states have internal predecessors, (147), 2 states have call successors, (10), 3 states have call predecessors, (10), 5 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 83 [2022-07-22 00:47:03,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 00:47:03,378 INFO L225 Difference]: With dead ends: 1871 [2022-07-22 00:47:03,378 INFO L226 Difference]: Without dead ends: 1649 [2022-07-22 00:47:03,380 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 246 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 918 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=1154, Invalid=2386, Unknown=0, NotChecked=0, Total=3540 [2022-07-22 00:47:03,381 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 1680 mSDsluCounter, 776 mSDsCounter, 0 mSdLazyCounter, 458 mSolverCounterSat, 236 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1680 SdHoareTripleChecker+Valid, 875 SdHoareTripleChecker+Invalid, 694 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 236 IncrementalHoareTripleChecker+Valid, 458 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-22 00:47:03,381 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1680 Valid, 875 Invalid, 694 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [236 Valid, 458 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-22 00:47:03,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1649 states. [2022-07-22 00:47:03,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1649 to 318. [2022-07-22 00:47:03,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 318 states, 301 states have (on average 1.2757475083056478) internal successors, (384), 308 states have internal predecessors, (384), 4 states have call successors, (4), 4 states have call predecessors, (4), 5 states have return successors, (5), 5 states have call predecessors, (5), 4 states have call successors, (5) [2022-07-22 00:47:03,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 393 transitions. [2022-07-22 00:47:03,418 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 393 transitions. Word has length 83 [2022-07-22 00:47:03,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 00:47:03,418 INFO L495 AbstractCegarLoop]: Abstraction has 318 states and 393 transitions. [2022-07-22 00:47:03,418 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 5.444444444444445) internal successors, (147), 26 states have internal predecessors, (147), 2 states have call successors, (10), 3 states have call predecessors, (10), 5 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-07-22 00:47:03,419 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 393 transitions. [2022-07-22 00:47:03,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-07-22 00:47:03,419 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 00:47:03,420 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 5, 4, 4, 4, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 00:47:03,447 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-07-22 00:47:03,635 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,SelfDestructingSolverStorable17 [2022-07-22 00:47:03,636 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-07-22 00:47:03,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 00:47:03,636 INFO L85 PathProgramCache]: Analyzing trace with hash -782914729, now seen corresponding path program 2 times [2022-07-22 00:47:03,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 00:47:03,636 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696320656] [2022-07-22 00:47:03,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 00:47:03,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 00:47:03,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:47:03,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 00:47:03,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:47:03,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-22 00:47:03,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:47:03,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-07-22 00:47:03,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:47:03,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-07-22 00:47:03,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:47:03,826 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 4 proven. 85 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-07-22 00:47:03,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 00:47:03,827 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1696320656] [2022-07-22 00:47:03,827 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1696320656] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 00:47:03,827 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [473038118] [2022-07-22 00:47:03,827 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-22 00:47:03,827 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 00:47:03,827 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 00:47:03,828 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) [2022-07-22 00:47:03,843 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-07-22 00:47:03,892 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-22 00:47:03,892 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-22 00:47:03,893 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 15 conjunts are in the unsatisfiable core [2022-07-22 00:47:03,895 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 00:47:03,974 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2022-07-22 00:47:03,974 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 00:47:03,974 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [473038118] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 00:47:03,974 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-22 00:47:03,974 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [11] total 17 [2022-07-22 00:47:03,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623144634] [2022-07-22 00:47:03,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 00:47:03,977 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-22 00:47:03,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 00:47:03,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-22 00:47:03,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=229, Unknown=0, NotChecked=0, Total=272 [2022-07-22 00:47:03,978 INFO L87 Difference]: Start difference. First operand 318 states and 393 transitions. Second operand has 8 states, 7 states have (on average 6.714285714285714) internal successors, (47), 7 states have internal predecessors, (47), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2022-07-22 00:47:04,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 00:47:04,110 INFO L93 Difference]: Finished difference Result 381 states and 458 transitions. [2022-07-22 00:47:04,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-22 00:47:04,110 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 6.714285714285714) internal successors, (47), 7 states have internal predecessors, (47), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 91 [2022-07-22 00:47:04,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 00:47:04,112 INFO L225 Difference]: With dead ends: 381 [2022-07-22 00:47:04,112 INFO L226 Difference]: Without dead ends: 379 [2022-07-22 00:47:04,112 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=55, Invalid=325, Unknown=0, NotChecked=0, Total=380 [2022-07-22 00:47:04,113 INFO L413 NwaCegarLoop]: 130 mSDtfsCounter, 164 mSDsluCounter, 658 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 788 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-22 00:47:04,113 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [164 Valid, 788 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-22 00:47:04,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2022-07-22 00:47:04,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 318. [2022-07-22 00:47:04,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 318 states, 301 states have (on average 1.2757475083056478) internal successors, (384), 308 states have internal predecessors, (384), 4 states have call successors, (4), 4 states have call predecessors, (4), 5 states have return successors, (5), 5 states have call predecessors, (5), 4 states have call successors, (5) [2022-07-22 00:47:04,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 393 transitions. [2022-07-22 00:47:04,141 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 393 transitions. Word has length 91 [2022-07-22 00:47:04,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 00:47:04,142 INFO L495 AbstractCegarLoop]: Abstraction has 318 states and 393 transitions. [2022-07-22 00:47:04,142 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 6.714285714285714) internal successors, (47), 7 states have internal predecessors, (47), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2022-07-22 00:47:04,142 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 393 transitions. [2022-07-22 00:47:04,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-07-22 00:47:04,143 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 00:47:04,143 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 5, 4, 4, 4, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 00:47:04,169 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-07-22 00:47:04,367 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 00:47:04,367 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-07-22 00:47:04,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 00:47:04,367 INFO L85 PathProgramCache]: Analyzing trace with hash -1592259433, now seen corresponding path program 1 times [2022-07-22 00:47:04,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 00:47:04,368 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650516293] [2022-07-22 00:47:04,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 00:47:04,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 00:47:04,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:47:04,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 00:47:04,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:47:04,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-22 00:47:04,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:47:04,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-07-22 00:47:04,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:47:04,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-07-22 00:47:04,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:47:04,439 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2022-07-22 00:47:04,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 00:47:04,440 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1650516293] [2022-07-22 00:47:04,440 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1650516293] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 00:47:04,440 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1862203905] [2022-07-22 00:47:04,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 00:47:04,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 00:47:04,440 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 00:47:04,441 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-22 00:47:04,473 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-07-22 00:47:04,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:47:04,515 INFO L263 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-22 00:47:04,517 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 00:47:04,544 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2022-07-22 00:47:04,544 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 00:47:04,623 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2022-07-22 00:47:04,624 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1862203905] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-22 00:47:04,624 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-22 00:47:04,624 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 13 [2022-07-22 00:47:04,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116548344] [2022-07-22 00:47:04,624 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-22 00:47:04,625 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-07-22 00:47:04,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 00:47:04,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-22 00:47:04,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2022-07-22 00:47:04,626 INFO L87 Difference]: Start difference. First operand 318 states and 393 transitions. Second operand has 13 states, 13 states have (on average 4.846153846153846) internal successors, (63), 10 states have internal predecessors, (63), 3 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) [2022-07-22 00:47:04,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 00:47:04,803 INFO L93 Difference]: Finished difference Result 626 states and 748 transitions. [2022-07-22 00:47:04,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-22 00:47:04,803 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.846153846153846) internal successors, (63), 10 states have internal predecessors, (63), 3 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) Word has length 91 [2022-07-22 00:47:04,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 00:47:04,805 INFO L225 Difference]: With dead ends: 626 [2022-07-22 00:47:04,806 INFO L226 Difference]: Without dead ends: 576 [2022-07-22 00:47:04,806 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=276, Unknown=0, NotChecked=0, Total=342 [2022-07-22 00:47:04,807 INFO L413 NwaCegarLoop]: 141 mSDtfsCounter, 240 mSDsluCounter, 1199 mSDsCounter, 0 mSdLazyCounter, 154 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 240 SdHoareTripleChecker+Valid, 1340 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-22 00:47:04,808 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [240 Valid, 1340 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 154 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-22 00:47:04,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 576 states. [2022-07-22 00:47:04,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 576 to 345. [2022-07-22 00:47:04,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 345 states, 326 states have (on average 1.2668711656441718) internal successors, (413), 332 states have internal predecessors, (413), 5 states have call successors, (5), 4 states have call predecessors, (5), 6 states have return successors, (8), 8 states have call predecessors, (8), 5 states have call successors, (8) [2022-07-22 00:47:04,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 345 states and 426 transitions. [2022-07-22 00:47:04,847 INFO L78 Accepts]: Start accepts. Automaton has 345 states and 426 transitions. Word has length 91 [2022-07-22 00:47:04,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 00:47:04,847 INFO L495 AbstractCegarLoop]: Abstraction has 345 states and 426 transitions. [2022-07-22 00:47:04,847 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.846153846153846) internal successors, (63), 10 states have internal predecessors, (63), 3 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) [2022-07-22 00:47:04,848 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 426 transitions. [2022-07-22 00:47:04,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-07-22 00:47:04,848 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 00:47:04,849 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 5, 4, 4, 4, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 00:47:04,872 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-07-22 00:47:05,063 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable19 [2022-07-22 00:47:05,063 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-07-22 00:47:05,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 00:47:05,064 INFO L85 PathProgramCache]: Analyzing trace with hash -1592261355, now seen corresponding path program 1 times [2022-07-22 00:47:05,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 00:47:05,064 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3793370] [2022-07-22 00:47:05,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 00:47:05,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 00:47:05,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:47:05,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 00:47:05,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:47:05,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-22 00:47:05,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:47:05,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-07-22 00:47:05,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:47:05,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-07-22 00:47:05,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:47:05,237 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 4 proven. 85 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-07-22 00:47:05,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 00:47:05,237 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3793370] [2022-07-22 00:47:05,237 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [3793370] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 00:47:05,237 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1078839388] [2022-07-22 00:47:05,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 00:47:05,238 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 00:47:05,238 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 00:47:05,239 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-22 00:47:05,269 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-07-22 00:47:05,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:47:05,390 INFO L263 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 17 conjunts are in the unsatisfiable core [2022-07-22 00:47:05,397 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 00:47:05,534 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 26 proven. 75 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-07-22 00:47:05,535 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 00:47:05,831 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 4 proven. 85 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-07-22 00:47:05,832 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1078839388] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-22 00:47:05,832 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-22 00:47:05,832 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 10] total 26 [2022-07-22 00:47:05,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367040983] [2022-07-22 00:47:05,832 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-22 00:47:05,833 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-07-22 00:47:05,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 00:47:05,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-07-22 00:47:05,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=193, Invalid=457, Unknown=0, NotChecked=0, Total=650 [2022-07-22 00:47:05,834 INFO L87 Difference]: Start difference. First operand 345 states and 426 transitions. Second operand has 26 states, 26 states have (on average 6.115384615384615) internal successors, (159), 25 states have internal predecessors, (159), 2 states have call successors, (10), 3 states have call predecessors, (10), 4 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-07-22 00:47:28,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 00:47:28,615 INFO L93 Difference]: Finished difference Result 1210 states and 1556 transitions. [2022-07-22 00:47:28,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-07-22 00:47:28,616 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 6.115384615384615) internal successors, (159), 25 states have internal predecessors, (159), 2 states have call successors, (10), 3 states have call predecessors, (10), 4 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 91 [2022-07-22 00:47:28,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 00:47:28,625 INFO L225 Difference]: With dead ends: 1210 [2022-07-22 00:47:28,626 INFO L226 Difference]: Without dead ends: 905 [2022-07-22 00:47:28,628 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 254 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 983 ImplicationChecksByTransitivity, 21.6s TimeCoverageRelationStatistics Valid=995, Invalid=2909, Unknown=2, NotChecked=0, Total=3906 [2022-07-22 00:47:28,629 INFO L413 NwaCegarLoop]: 131 mSDtfsCounter, 883 mSDsluCounter, 1351 mSDsCounter, 0 mSdLazyCounter, 1273 mSolverCounterSat, 272 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 883 SdHoareTripleChecker+Valid, 1482 SdHoareTripleChecker+Invalid, 1545 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 272 IncrementalHoareTripleChecker+Valid, 1273 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-07-22 00:47:28,630 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [883 Valid, 1482 Invalid, 1545 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [272 Valid, 1273 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-22 00:47:28,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 905 states. [2022-07-22 00:47:28,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 905 to 374. [2022-07-22 00:47:28,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 374 states, 355 states have (on average 1.2338028169014084) internal successors, (438), 361 states have internal predecessors, (438), 5 states have call successors, (5), 4 states have call predecessors, (5), 6 states have return successors, (8), 8 states have call predecessors, (8), 5 states have call successors, (8) [2022-07-22 00:47:28,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 451 transitions. [2022-07-22 00:47:28,671 INFO L78 Accepts]: Start accepts. Automaton has 374 states and 451 transitions. Word has length 91 [2022-07-22 00:47:28,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 00:47:28,672 INFO L495 AbstractCegarLoop]: Abstraction has 374 states and 451 transitions. [2022-07-22 00:47:28,672 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 6.115384615384615) internal successors, (159), 25 states have internal predecessors, (159), 2 states have call successors, (10), 3 states have call predecessors, (10), 4 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-07-22 00:47:28,672 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 451 transitions. [2022-07-22 00:47:28,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-07-22 00:47:28,675 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 00:47:28,676 INFO L195 NwaCegarLoop]: trace histogram [15, 14, 14, 14, 14, 4, 4, 4, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 00:47:28,701 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2022-07-22 00:47:28,899 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 00:47:28,899 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-07-22 00:47:28,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 00:47:28,900 INFO L85 PathProgramCache]: Analyzing trace with hash 1757329459, now seen corresponding path program 1 times [2022-07-22 00:47:28,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 00:47:28,900 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505232664] [2022-07-22 00:47:28,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 00:47:28,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 00:47:28,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:47:28,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 00:47:28,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:47:28,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-22 00:47:28,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:47:29,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-07-22 00:47:29,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:47:29,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-07-22 00:47:29,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:47:29,172 INFO L134 CoverageAnalysis]: Checked inductivity of 519 backedges. 4 proven. 493 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-07-22 00:47:29,173 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 00:47:29,173 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505232664] [2022-07-22 00:47:29,173 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1505232664] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 00:47:29,173 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1196467082] [2022-07-22 00:47:29,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 00:47:29,173 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 00:47:29,173 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 00:47:29,180 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-22 00:47:29,187 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-07-22 00:47:29,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:47:29,266 INFO L263 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 17 conjunts are in the unsatisfiable core [2022-07-22 00:47:29,268 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 00:47:29,536 INFO L134 CoverageAnalysis]: Checked inductivity of 519 backedges. 26 proven. 483 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-07-22 00:47:29,536 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 00:47:30,228 INFO L134 CoverageAnalysis]: Checked inductivity of 519 backedges. 4 proven. 493 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-07-22 00:47:30,228 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1196467082] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-22 00:47:30,228 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-22 00:47:30,229 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 18, 18] total 51 [2022-07-22 00:47:30,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459652956] [2022-07-22 00:47:30,229 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-22 00:47:30,229 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 51 states [2022-07-22 00:47:30,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 00:47:30,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2022-07-22 00:47:30,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=848, Invalid=1702, Unknown=0, NotChecked=0, Total=2550 [2022-07-22 00:47:30,230 INFO L87 Difference]: Start difference. First operand 374 states and 451 transitions. Second operand has 51 states, 51 states have (on average 5.235294117647059) internal successors, (267), 50 states have internal predecessors, (267), 2 states have call successors, (10), 3 states have call predecessors, (10), 5 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-07-22 00:47:33,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 00:47:33,384 INFO L93 Difference]: Finished difference Result 3475 states and 4693 transitions. [2022-07-22 00:47:33,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2022-07-22 00:47:33,384 INFO L78 Accepts]: Start accepts. Automaton has has 51 states, 51 states have (on average 5.235294117647059) internal successors, (267), 50 states have internal predecessors, (267), 2 states have call successors, (10), 3 states have call predecessors, (10), 5 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 123 [2022-07-22 00:47:33,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 00:47:33,395 INFO L225 Difference]: With dead ends: 3475 [2022-07-22 00:47:33,396 INFO L226 Difference]: Without dead ends: 3186 [2022-07-22 00:47:33,400 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 396 GetRequests, 283 SyntacticMatches, 0 SemanticMatches, 113 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3725 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=4229, Invalid=8881, Unknown=0, NotChecked=0, Total=13110 [2022-07-22 00:47:33,401 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 4090 mSDsluCounter, 1204 mSDsCounter, 0 mSdLazyCounter, 783 mSolverCounterSat, 858 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4090 SdHoareTripleChecker+Valid, 1303 SdHoareTripleChecker+Invalid, 1641 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 858 IncrementalHoareTripleChecker+Valid, 783 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-07-22 00:47:33,401 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4090 Valid, 1303 Invalid, 1641 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [858 Valid, 783 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-07-22 00:47:33,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3186 states. [2022-07-22 00:47:33,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3186 to 465. [2022-07-22 00:47:33,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 465 states, 446 states have (on average 1.2309417040358743) internal successors, (549), 452 states have internal predecessors, (549), 5 states have call successors, (5), 4 states have call predecessors, (5), 6 states have return successors, (8), 8 states have call predecessors, (8), 5 states have call successors, (8) [2022-07-22 00:47:33,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 465 states and 562 transitions. [2022-07-22 00:47:33,517 INFO L78 Accepts]: Start accepts. Automaton has 465 states and 562 transitions. Word has length 123 [2022-07-22 00:47:33,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 00:47:33,518 INFO L495 AbstractCegarLoop]: Abstraction has 465 states and 562 transitions. [2022-07-22 00:47:33,518 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 51 states, 51 states have (on average 5.235294117647059) internal successors, (267), 50 states have internal predecessors, (267), 2 states have call successors, (10), 3 states have call predecessors, (10), 5 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-07-22 00:47:33,518 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 562 transitions. [2022-07-22 00:47:33,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-07-22 00:47:33,519 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 00:47:33,520 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 14, 13, 4, 4, 4, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 00:47:33,546 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2022-07-22 00:47:33,735 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 00:47:33,736 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-07-22 00:47:33,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 00:47:33,736 INFO L85 PathProgramCache]: Analyzing trace with hash 1189284629, now seen corresponding path program 2 times [2022-07-22 00:47:33,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 00:47:33,736 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195089591] [2022-07-22 00:47:33,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 00:47:33,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 00:47:33,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:47:33,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 00:47:33,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:47:33,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-22 00:47:33,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:47:34,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-22 00:47:34,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:47:34,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-22 00:47:34,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:47:34,149 INFO L134 CoverageAnalysis]: Checked inductivity of 491 backedges. 4 proven. 465 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-07-22 00:47:34,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 00:47:34,149 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1195089591] [2022-07-22 00:47:34,149 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1195089591] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 00:47:34,149 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [468603713] [2022-07-22 00:47:34,149 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-22 00:47:34,150 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 00:47:34,150 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 00:47:34,151 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-22 00:47:34,161 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2022-07-22 00:47:34,282 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-22 00:47:34,283 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-22 00:47:34,284 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 15 conjunts are in the unsatisfiable core [2022-07-22 00:47:34,286 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 00:47:34,432 INFO L134 CoverageAnalysis]: Checked inductivity of 491 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 482 trivial. 0 not checked. [2022-07-22 00:47:34,433 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 00:47:34,433 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [468603713] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 00:47:34,433 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-22 00:47:34,433 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [19] total 26 [2022-07-22 00:47:34,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413689804] [2022-07-22 00:47:34,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 00:47:34,434 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-22 00:47:34,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 00:47:34,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-22 00:47:34,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=571, Unknown=0, NotChecked=0, Total=650 [2022-07-22 00:47:34,435 INFO L87 Difference]: Start difference. First operand 465 states and 562 transitions. Second operand has 9 states, 8 states have (on average 5.875) internal successors, (47), 8 states have internal predecessors, (47), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2022-07-22 00:47:34,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 00:47:34,648 INFO L93 Difference]: Finished difference Result 553 states and 653 transitions. [2022-07-22 00:47:34,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-22 00:47:34,648 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 5.875) internal successors, (47), 8 states have internal predecessors, (47), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 131 [2022-07-22 00:47:34,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 00:47:34,651 INFO L225 Difference]: With dead ends: 553 [2022-07-22 00:47:34,651 INFO L226 Difference]: Without dead ends: 520 [2022-07-22 00:47:34,651 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=99, Invalid=771, Unknown=0, NotChecked=0, Total=870 [2022-07-22 00:47:34,652 INFO L413 NwaCegarLoop]: 126 mSDtfsCounter, 123 mSDsluCounter, 737 mSDsCounter, 0 mSdLazyCounter, 160 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 863 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-22 00:47:34,652 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 863 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-22 00:47:34,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 520 states. [2022-07-22 00:47:34,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 520 to 463. [2022-07-22 00:47:34,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 463 states, 444 states have (on average 1.2274774774774775) internal successors, (545), 450 states have internal predecessors, (545), 5 states have call successors, (5), 4 states have call predecessors, (5), 6 states have return successors, (8), 8 states have call predecessors, (8), 5 states have call successors, (8) [2022-07-22 00:47:34,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 463 states and 558 transitions. [2022-07-22 00:47:34,706 INFO L78 Accepts]: Start accepts. Automaton has 463 states and 558 transitions. Word has length 131 [2022-07-22 00:47:34,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 00:47:34,706 INFO L495 AbstractCegarLoop]: Abstraction has 463 states and 558 transitions. [2022-07-22 00:47:34,706 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 5.875) internal successors, (47), 8 states have internal predecessors, (47), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2022-07-22 00:47:34,706 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 558 transitions. [2022-07-22 00:47:34,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2022-07-22 00:47:34,708 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 00:47:34,708 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 14, 13, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 00:47:34,715 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2022-07-22 00:47:34,912 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2022-07-22 00:47:34,913 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-07-22 00:47:34,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 00:47:34,913 INFO L85 PathProgramCache]: Analyzing trace with hash 2118452602, now seen corresponding path program 1 times [2022-07-22 00:47:34,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 00:47:34,913 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747233549] [2022-07-22 00:47:34,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 00:47:34,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 00:47:34,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:47:34,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 00:47:34,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:47:34,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-22 00:47:34,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:47:34,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-22 00:47:34,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:47:34,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-22 00:47:34,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:47:34,997 INFO L134 CoverageAnalysis]: Checked inductivity of 497 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 482 trivial. 0 not checked. [2022-07-22 00:47:34,997 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 00:47:34,997 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1747233549] [2022-07-22 00:47:34,998 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1747233549] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 00:47:34,998 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 00:47:34,998 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-22 00:47:34,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771668451] [2022-07-22 00:47:34,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 00:47:34,998 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-22 00:47:34,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 00:47:34,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-22 00:47:34,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-07-22 00:47:34,999 INFO L87 Difference]: Start difference. First operand 463 states and 558 transitions. Second operand has 8 states, 8 states have (on average 6.75) internal successors, (54), 6 states have internal predecessors, (54), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2022-07-22 00:47:35,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 00:47:35,156 INFO L93 Difference]: Finished difference Result 846 states and 1036 transitions. [2022-07-22 00:47:35,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-22 00:47:35,157 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.75) internal successors, (54), 6 states have internal predecessors, (54), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 137 [2022-07-22 00:47:35,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 00:47:35,159 INFO L225 Difference]: With dead ends: 846 [2022-07-22 00:47:35,159 INFO L226 Difference]: Without dead ends: 571 [2022-07-22 00:47:35,160 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-07-22 00:47:35,160 INFO L413 NwaCegarLoop]: 108 mSDtfsCounter, 60 mSDsluCounter, 559 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 667 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-22 00:47:35,161 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 667 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-22 00:47:35,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 571 states. [2022-07-22 00:47:35,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 571 to 468. [2022-07-22 00:47:35,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 468 states, 449 states have (on average 1.2249443207126949) internal successors, (550), 455 states have internal predecessors, (550), 5 states have call successors, (5), 4 states have call predecessors, (5), 6 states have return successors, (8), 8 states have call predecessors, (8), 5 states have call successors, (8) [2022-07-22 00:47:35,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 468 states and 563 transitions. [2022-07-22 00:47:35,230 INFO L78 Accepts]: Start accepts. Automaton has 468 states and 563 transitions. Word has length 137 [2022-07-22 00:47:35,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 00:47:35,231 INFO L495 AbstractCegarLoop]: Abstraction has 468 states and 563 transitions. [2022-07-22 00:47:35,231 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.75) internal successors, (54), 6 states have internal predecessors, (54), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2022-07-22 00:47:35,231 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 563 transitions. [2022-07-22 00:47:35,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-07-22 00:47:35,233 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 00:47:35,233 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 14, 13, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 00:47:35,233 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-07-22 00:47:35,233 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-07-22 00:47:35,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 00:47:35,234 INFO L85 PathProgramCache]: Analyzing trace with hash -407400813, now seen corresponding path program 1 times [2022-07-22 00:47:35,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 00:47:35,234 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952845744] [2022-07-22 00:47:35,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 00:47:35,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 00:47:35,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:47:35,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 00:47:35,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:47:35,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-22 00:47:35,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:47:35,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-22 00:47:35,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:47:35,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-22 00:47:35,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:47:35,334 INFO L134 CoverageAnalysis]: Checked inductivity of 498 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 488 trivial. 0 not checked. [2022-07-22 00:47:35,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 00:47:35,335 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952845744] [2022-07-22 00:47:35,335 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1952845744] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 00:47:35,335 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 00:47:35,335 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-22 00:47:35,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364877060] [2022-07-22 00:47:35,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 00:47:35,336 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-22 00:47:35,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 00:47:35,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-22 00:47:35,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-07-22 00:47:35,337 INFO L87 Difference]: Start difference. First operand 468 states and 563 transitions. Second operand has 10 states, 10 states have (on average 4.9) internal successors, (49), 8 states have internal predecessors, (49), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2022-07-22 00:47:35,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 00:47:35,679 INFO L93 Difference]: Finished difference Result 813 states and 947 transitions. [2022-07-22 00:47:35,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-07-22 00:47:35,680 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.9) internal successors, (49), 8 states have internal predecessors, (49), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 138 [2022-07-22 00:47:35,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 00:47:35,683 INFO L225 Difference]: With dead ends: 813 [2022-07-22 00:47:35,683 INFO L226 Difference]: Without dead ends: 777 [2022-07-22 00:47:35,683 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=81, Invalid=339, Unknown=0, NotChecked=0, Total=420 [2022-07-22 00:47:35,685 INFO L413 NwaCegarLoop]: 110 mSDtfsCounter, 382 mSDsluCounter, 795 mSDsCounter, 0 mSdLazyCounter, 251 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 382 SdHoareTripleChecker+Valid, 905 SdHoareTripleChecker+Invalid, 272 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 251 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-22 00:47:35,685 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [382 Valid, 905 Invalid, 272 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 251 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-22 00:47:35,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 777 states. [2022-07-22 00:47:35,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 777 to 508. [2022-07-22 00:47:35,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 508 states, 488 states have (on average 1.2274590163934427) internal successors, (599), 493 states have internal predecessors, (599), 5 states have call successors, (5), 4 states have call predecessors, (5), 7 states have return successors, (10), 10 states have call predecessors, (10), 5 states have call successors, (10) [2022-07-22 00:47:35,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 508 states and 614 transitions. [2022-07-22 00:47:35,753 INFO L78 Accepts]: Start accepts. Automaton has 508 states and 614 transitions. Word has length 138 [2022-07-22 00:47:35,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 00:47:35,753 INFO L495 AbstractCegarLoop]: Abstraction has 508 states and 614 transitions. [2022-07-22 00:47:35,757 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.9) internal successors, (49), 8 states have internal predecessors, (49), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2022-07-22 00:47:35,757 INFO L276 IsEmpty]: Start isEmpty. Operand 508 states and 614 transitions. [2022-07-22 00:47:35,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-07-22 00:47:35,759 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 00:47:35,759 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 14, 13, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 00:47:35,759 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-07-22 00:47:35,759 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-07-22 00:47:35,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 00:47:35,760 INFO L85 PathProgramCache]: Analyzing trace with hash -407402735, now seen corresponding path program 1 times [2022-07-22 00:47:35,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 00:47:35,760 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896133532] [2022-07-22 00:47:35,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 00:47:35,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 00:47:35,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:47:35,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 00:47:35,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:47:35,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-22 00:47:35,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:47:35,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-22 00:47:35,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:47:35,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-22 00:47:35,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:47:35,890 INFO L134 CoverageAnalysis]: Checked inductivity of 498 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 488 trivial. 0 not checked. [2022-07-22 00:47:35,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 00:47:35,890 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [896133532] [2022-07-22 00:47:35,890 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [896133532] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 00:47:35,890 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 00:47:35,891 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-07-22 00:47:35,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895550110] [2022-07-22 00:47:35,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 00:47:35,891 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-22 00:47:35,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 00:47:35,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-22 00:47:35,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2022-07-22 00:47:35,892 INFO L87 Difference]: Start difference. First operand 508 states and 614 transitions. Second operand has 11 states, 11 states have (on average 4.454545454545454) internal successors, (49), 9 states have internal predecessors, (49), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2022-07-22 00:47:36,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 00:47:36,345 INFO L93 Difference]: Finished difference Result 936 states and 1086 transitions. [2022-07-22 00:47:36,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-07-22 00:47:36,346 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.454545454545454) internal successors, (49), 9 states have internal predecessors, (49), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 138 [2022-07-22 00:47:36,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 00:47:36,349 INFO L225 Difference]: With dead ends: 936 [2022-07-22 00:47:36,349 INFO L226 Difference]: Without dead ends: 893 [2022-07-22 00:47:36,350 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=451, Unknown=0, NotChecked=0, Total=552 [2022-07-22 00:47:36,350 INFO L413 NwaCegarLoop]: 268 mSDtfsCounter, 267 mSDsluCounter, 1795 mSDsCounter, 0 mSdLazyCounter, 421 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 267 SdHoareTripleChecker+Valid, 2063 SdHoareTripleChecker+Invalid, 431 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 421 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-22 00:47:36,351 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [267 Valid, 2063 Invalid, 431 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 421 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-22 00:47:36,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 893 states. [2022-07-22 00:47:36,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 893 to 524. [2022-07-22 00:47:36,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 524 states, 503 states have (on average 1.2246520874751492) internal successors, (616), 507 states have internal predecessors, (616), 5 states have call successors, (5), 4 states have call predecessors, (5), 8 states have return successors, (12), 12 states have call predecessors, (12), 5 states have call successors, (12) [2022-07-22 00:47:36,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 524 states and 633 transitions. [2022-07-22 00:47:36,421 INFO L78 Accepts]: Start accepts. Automaton has 524 states and 633 transitions. Word has length 138 [2022-07-22 00:47:36,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 00:47:36,421 INFO L495 AbstractCegarLoop]: Abstraction has 524 states and 633 transitions. [2022-07-22 00:47:36,422 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.454545454545454) internal successors, (49), 9 states have internal predecessors, (49), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2022-07-22 00:47:36,422 INFO L276 IsEmpty]: Start isEmpty. Operand 524 states and 633 transitions. [2022-07-22 00:47:36,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-07-22 00:47:36,423 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 00:47:36,424 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 14, 13, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 00:47:36,424 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-07-22 00:47:36,424 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-07-22 00:47:36,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 00:47:36,424 INFO L85 PathProgramCache]: Analyzing trace with hash -1216749361, now seen corresponding path program 1 times [2022-07-22 00:47:36,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 00:47:36,425 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201971804] [2022-07-22 00:47:36,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 00:47:36,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 00:47:36,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:47:36,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 00:47:36,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:47:36,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-22 00:47:36,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:47:36,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-22 00:47:36,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:47:36,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-22 00:47:36,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:47:36,788 INFO L134 CoverageAnalysis]: Checked inductivity of 498 backedges. 4 proven. 473 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-07-22 00:47:36,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 00:47:36,788 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [201971804] [2022-07-22 00:47:36,788 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [201971804] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 00:47:36,788 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1665256520] [2022-07-22 00:47:36,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 00:47:36,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 00:47:36,789 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 00:47:36,790 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-22 00:47:36,791 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2022-07-22 00:47:36,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:47:36,879 INFO L263 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 21 conjunts are in the unsatisfiable core [2022-07-22 00:47:36,881 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 00:47:37,207 INFO L134 CoverageAnalysis]: Checked inductivity of 498 backedges. 7 proven. 12 refuted. 0 times theorem prover too weak. 479 trivial. 0 not checked. [2022-07-22 00:47:37,207 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 00:47:37,510 INFO L134 CoverageAnalysis]: Checked inductivity of 498 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 488 trivial. 0 not checked. [2022-07-22 00:47:37,510 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1665256520] provided 1 perfect and 1 imperfect interpolant sequences [2022-07-22 00:47:37,510 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-07-22 00:47:37,510 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [19, 10] total 33 [2022-07-22 00:47:37,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273757959] [2022-07-22 00:47:37,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 00:47:37,510 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-22 00:47:37,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 00:47:37,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-22 00:47:37,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=942, Unknown=0, NotChecked=0, Total=1056 [2022-07-22 00:47:37,511 INFO L87 Difference]: Start difference. First operand 524 states and 633 transitions. Second operand has 8 states, 8 states have (on average 6.125) internal successors, (49), 7 states have internal predecessors, (49), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2022-07-22 00:47:37,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 00:47:37,782 INFO L93 Difference]: Finished difference Result 613 states and 726 transitions. [2022-07-22 00:47:37,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-22 00:47:37,783 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.125) internal successors, (49), 7 states have internal predecessors, (49), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 138 [2022-07-22 00:47:37,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 00:47:37,785 INFO L225 Difference]: With dead ends: 613 [2022-07-22 00:47:37,785 INFO L226 Difference]: Without dead ends: 541 [2022-07-22 00:47:37,786 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 304 GetRequests, 269 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=133, Invalid=1199, Unknown=0, NotChecked=0, Total=1332 [2022-07-22 00:47:37,787 INFO L413 NwaCegarLoop]: 110 mSDtfsCounter, 30 mSDsluCounter, 621 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 731 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-22 00:47:37,787 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 731 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-22 00:47:37,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 541 states. [2022-07-22 00:47:37,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 541 to 508. [2022-07-22 00:47:37,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 508 states, 488 states have (on average 1.2254098360655739) internal successors, (598), 493 states have internal predecessors, (598), 5 states have call successors, (5), 4 states have call predecessors, (5), 7 states have return successors, (10), 10 states have call predecessors, (10), 5 states have call successors, (10) [2022-07-22 00:47:37,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 508 states and 613 transitions. [2022-07-22 00:47:37,850 INFO L78 Accepts]: Start accepts. Automaton has 508 states and 613 transitions. Word has length 138 [2022-07-22 00:47:37,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 00:47:37,851 INFO L495 AbstractCegarLoop]: Abstraction has 508 states and 613 transitions. [2022-07-22 00:47:37,851 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.125) internal successors, (49), 7 states have internal predecessors, (49), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2022-07-22 00:47:37,851 INFO L276 IsEmpty]: Start isEmpty. Operand 508 states and 613 transitions. [2022-07-22 00:47:37,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2022-07-22 00:47:37,853 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 00:47:37,853 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 14, 13, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 00:47:37,877 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2022-07-22 00:47:38,077 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2022-07-22 00:47:38,077 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-07-22 00:47:38,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 00:47:38,077 INFO L85 PathProgramCache]: Analyzing trace with hash -2089841741, now seen corresponding path program 1 times [2022-07-22 00:47:38,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 00:47:38,078 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167901064] [2022-07-22 00:47:38,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 00:47:38,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 00:47:38,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:47:38,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 00:47:38,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:47:38,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-22 00:47:38,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:47:38,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-22 00:47:38,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:47:38,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-22 00:47:38,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:47:38,186 INFO L134 CoverageAnalysis]: Checked inductivity of 499 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 482 trivial. 0 not checked. [2022-07-22 00:47:38,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 00:47:38,186 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1167901064] [2022-07-22 00:47:38,186 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1167901064] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 00:47:38,186 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 00:47:38,187 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-22 00:47:38,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275069292] [2022-07-22 00:47:38,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 00:47:38,187 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-22 00:47:38,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 00:47:38,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-22 00:47:38,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2022-07-22 00:47:38,188 INFO L87 Difference]: Start difference. First operand 508 states and 613 transitions. Second operand has 10 states, 10 states have (on average 5.6) internal successors, (56), 8 states have internal predecessors, (56), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2022-07-22 00:47:38,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 00:47:38,503 INFO L93 Difference]: Finished difference Result 1031 states and 1242 transitions. [2022-07-22 00:47:38,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-22 00:47:38,504 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.6) internal successors, (56), 8 states have internal predecessors, (56), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 139 [2022-07-22 00:47:38,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 00:47:38,507 INFO L225 Difference]: With dead ends: 1031 [2022-07-22 00:47:38,507 INFO L226 Difference]: Without dead ends: 716 [2022-07-22 00:47:38,508 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2022-07-22 00:47:38,509 INFO L413 NwaCegarLoop]: 140 mSDtfsCounter, 171 mSDsluCounter, 715 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 855 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-22 00:47:38,509 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 855 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-22 00:47:38,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 716 states. [2022-07-22 00:47:38,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 716 to 515. [2022-07-22 00:47:38,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 515 states, 495 states have (on average 1.2262626262626262) internal successors, (607), 500 states have internal predecessors, (607), 5 states have call successors, (5), 4 states have call predecessors, (5), 7 states have return successors, (10), 10 states have call predecessors, (10), 5 states have call successors, (10) [2022-07-22 00:47:38,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 515 states and 622 transitions. [2022-07-22 00:47:38,567 INFO L78 Accepts]: Start accepts. Automaton has 515 states and 622 transitions. Word has length 139 [2022-07-22 00:47:38,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 00:47:38,568 INFO L495 AbstractCegarLoop]: Abstraction has 515 states and 622 transitions. [2022-07-22 00:47:38,568 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.6) internal successors, (56), 8 states have internal predecessors, (56), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2022-07-22 00:47:38,568 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 622 transitions. [2022-07-22 00:47:38,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2022-07-22 00:47:38,570 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 00:47:38,570 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 14, 13, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 00:47:38,570 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-07-22 00:47:38,570 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-07-22 00:47:38,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 00:47:38,571 INFO L85 PathProgramCache]: Analyzing trace with hash 898729452, now seen corresponding path program 1 times [2022-07-22 00:47:38,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 00:47:38,571 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [435331327] [2022-07-22 00:47:38,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 00:47:38,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 00:47:38,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:47:38,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 00:47:38,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:47:38,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-22 00:47:38,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:47:38,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-22 00:47:38,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:47:38,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-22 00:47:38,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:47:38,921 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 4 proven. 475 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-07-22 00:47:38,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 00:47:38,922 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [435331327] [2022-07-22 00:47:38,922 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [435331327] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 00:47:38,922 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1033782827] [2022-07-22 00:47:38,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 00:47:38,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 00:47:38,923 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 00:47:38,924 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-22 00:47:38,925 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2022-07-22 00:47:39,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:47:39,016 INFO L263 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 33 conjunts are in the unsatisfiable core [2022-07-22 00:47:39,037 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 00:47:39,441 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 36 proven. 455 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-07-22 00:47:39,441 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 00:47:40,360 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 4 proven. 475 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-07-22 00:47:40,360 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1033782827] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-22 00:47:40,360 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-22 00:47:40,360 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 18, 18] total 50 [2022-07-22 00:47:40,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137407743] [2022-07-22 00:47:40,361 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-22 00:47:40,361 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2022-07-22 00:47:40,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 00:47:40,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2022-07-22 00:47:40,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=619, Invalid=1831, Unknown=0, NotChecked=0, Total=2450 [2022-07-22 00:47:40,363 INFO L87 Difference]: Start difference. First operand 515 states and 622 transitions. Second operand has 50 states, 50 states have (on average 6.02) internal successors, (301), 49 states have internal predecessors, (301), 2 states have call successors, (10), 3 states have call predecessors, (10), 4 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-07-22 00:47:46,768 WARN L233 SmtUtils]: Spent 5.05s 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) [2022-07-22 00:47:57,905 WARN L233 SmtUtils]: Spent 8.64s 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) [2022-07-22 00:48:42,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 00:48:42,057 INFO L93 Difference]: Finished difference Result 1921 states and 2445 transitions. [2022-07-22 00:48:42,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2022-07-22 00:48:42,060 INFO L78 Accepts]: Start accepts. Automaton has has 50 states, 50 states have (on average 6.02) internal successors, (301), 49 states have internal predecessors, (301), 2 states have call successors, (10), 3 states have call predecessors, (10), 4 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 140 [2022-07-22 00:48:42,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 00:48:42,066 INFO L225 Difference]: With dead ends: 1921 [2022-07-22 00:48:42,066 INFO L226 Difference]: Without dead ends: 1532 [2022-07-22 00:48:42,069 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 396 GetRequests, 284 SyntacticMatches, 0 SemanticMatches, 112 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3165 ImplicationChecksByTransitivity, 59.2s TimeCoverageRelationStatistics Valid=2904, Invalid=9966, Unknown=12, NotChecked=0, Total=12882 [2022-07-22 00:48:42,070 INFO L413 NwaCegarLoop]: 153 mSDtfsCounter, 1853 mSDsluCounter, 4405 mSDsCounter, 0 mSdLazyCounter, 4641 mSolverCounterSat, 957 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1853 SdHoareTripleChecker+Valid, 4558 SdHoareTripleChecker+Invalid, 5598 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 957 IncrementalHoareTripleChecker+Valid, 4641 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-07-22 00:48:42,070 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1853 Valid, 4558 Invalid, 5598 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [957 Valid, 4641 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-07-22 00:48:42,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1532 states. [2022-07-22 00:48:42,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1532 to 595. [2022-07-22 00:48:42,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 595 states, 575 states have (on average 1.2052173913043478) internal successors, (693), 580 states have internal predecessors, (693), 5 states have call successors, (5), 4 states have call predecessors, (5), 7 states have return successors, (10), 10 states have call predecessors, (10), 5 states have call successors, (10) [2022-07-22 00:48:42,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 595 states and 708 transitions. [2022-07-22 00:48:42,157 INFO L78 Accepts]: Start accepts. Automaton has 595 states and 708 transitions. Word has length 140 [2022-07-22 00:48:42,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 00:48:42,157 INFO L495 AbstractCegarLoop]: Abstraction has 595 states and 708 transitions. [2022-07-22 00:48:42,157 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 6.02) internal successors, (301), 49 states have internal predecessors, (301), 2 states have call successors, (10), 3 states have call predecessors, (10), 4 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-07-22 00:48:42,157 INFO L276 IsEmpty]: Start isEmpty. Operand 595 states and 708 transitions. [2022-07-22 00:48:42,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2022-07-22 00:48:42,159 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 00:48:42,160 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 24, 23, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 00:48:42,185 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2022-07-22 00:48:42,383 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2022-07-22 00:48:42,383 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-07-22 00:48:42,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 00:48:42,383 INFO L85 PathProgramCache]: Analyzing trace with hash 1709137516, now seen corresponding path program 2 times [2022-07-22 00:48:42,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 00:48:42,383 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680865196] [2022-07-22 00:48:42,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 00:48:42,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 00:48:42,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:48:42,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 00:48:42,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:48:42,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-22 00:48:42,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:48:42,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-22 00:48:42,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:48:42,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-22 00:48:42,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:48:42,556 INFO L134 CoverageAnalysis]: Checked inductivity of 1425 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 1416 trivial. 0 not checked. [2022-07-22 00:48:42,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 00:48:42,557 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1680865196] [2022-07-22 00:48:42,557 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1680865196] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 00:48:42,557 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1753777485] [2022-07-22 00:48:42,557 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-22 00:48:42,558 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 00:48:42,558 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 00:48:42,560 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-22 00:48:42,568 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2022-07-22 00:48:42,808 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-07-22 00:48:42,808 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-22 00:48:42,809 INFO L263 TraceCheckSpWp]: Trace formula consists of 421 conjuncts, 13 conjunts are in the unsatisfiable core [2022-07-22 00:48:42,812 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 00:48:42,866 INFO L134 CoverageAnalysis]: Checked inductivity of 1425 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 1416 trivial. 0 not checked. [2022-07-22 00:48:42,867 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 00:48:42,976 INFO L134 CoverageAnalysis]: Checked inductivity of 1425 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 1416 trivial. 0 not checked. [2022-07-22 00:48:42,978 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1753777485] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-22 00:48:42,979 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-22 00:48:42,979 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 13 [2022-07-22 00:48:42,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347619869] [2022-07-22 00:48:42,979 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-22 00:48:42,980 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-07-22 00:48:42,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 00:48:42,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-22 00:48:42,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2022-07-22 00:48:42,984 INFO L87 Difference]: Start difference. First operand 595 states and 708 transitions. Second operand has 13 states, 13 states have (on average 4.461538461538462) internal successors, (58), 10 states have internal predecessors, (58), 3 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) [2022-07-22 00:48:43,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 00:48:43,174 INFO L93 Difference]: Finished difference Result 771 states and 911 transitions. [2022-07-22 00:48:43,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-22 00:48:43,175 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.461538461538462) internal successors, (58), 10 states have internal predecessors, (58), 3 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) Word has length 190 [2022-07-22 00:48:43,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 00:48:43,177 INFO L225 Difference]: With dead ends: 771 [2022-07-22 00:48:43,177 INFO L226 Difference]: Without dead ends: 718 [2022-07-22 00:48:43,178 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 396 GetRequests, 381 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=193, Unknown=0, NotChecked=0, Total=240 [2022-07-22 00:48:43,178 INFO L413 NwaCegarLoop]: 104 mSDtfsCounter, 214 mSDsluCounter, 765 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 214 SdHoareTripleChecker+Valid, 869 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-22 00:48:43,179 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [214 Valid, 869 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-22 00:48:43,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 718 states. [2022-07-22 00:48:43,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 718 to 593. [2022-07-22 00:48:43,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 593 states, 573 states have (on average 1.2006980802792322) internal successors, (688), 578 states have internal predecessors, (688), 5 states have call successors, (5), 4 states have call predecessors, (5), 7 states have return successors, (10), 10 states have call predecessors, (10), 5 states have call successors, (10) [2022-07-22 00:48:43,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 593 states and 703 transitions. [2022-07-22 00:48:43,268 INFO L78 Accepts]: Start accepts. Automaton has 593 states and 703 transitions. Word has length 190 [2022-07-22 00:48:43,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 00:48:43,268 INFO L495 AbstractCegarLoop]: Abstraction has 593 states and 703 transitions. [2022-07-22 00:48:43,268 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.461538461538462) internal successors, (58), 10 states have internal predecessors, (58), 3 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) [2022-07-22 00:48:43,269 INFO L276 IsEmpty]: Start isEmpty. Operand 593 states and 703 transitions. [2022-07-22 00:48:43,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2022-07-22 00:48:43,271 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 00:48:43,271 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 24, 23, 4, 4, 4, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 00:48:43,279 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2022-07-22 00:48:43,476 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 00:48:43,476 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-07-22 00:48:43,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 00:48:43,477 INFO L85 PathProgramCache]: Analyzing trace with hash 787678057, now seen corresponding path program 1 times [2022-07-22 00:48:43,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 00:48:43,477 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487884978] [2022-07-22 00:48:43,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 00:48:43,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 00:48:43,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:48:43,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 00:48:43,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:48:43,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-22 00:48:43,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:48:43,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-22 00:48:43,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:48:43,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-22 00:48:43,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:48:43,611 INFO L134 CoverageAnalysis]: Checked inductivity of 1416 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 1407 trivial. 0 not checked. [2022-07-22 00:48:43,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 00:48:43,611 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487884978] [2022-07-22 00:48:43,612 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [487884978] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 00:48:43,612 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1557195686] [2022-07-22 00:48:43,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 00:48:43,612 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 00:48:43,612 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 00:48:43,613 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-22 00:48:43,615 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2022-07-22 00:48:43,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:48:43,693 INFO L263 TraceCheckSpWp]: Trace formula consists of 428 conjuncts, 10 conjunts are in the unsatisfiable core [2022-07-22 00:48:43,695 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 00:48:43,733 INFO L134 CoverageAnalysis]: Checked inductivity of 1416 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 1407 trivial. 0 not checked. [2022-07-22 00:48:43,734 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 00:48:43,804 INFO L134 CoverageAnalysis]: Checked inductivity of 1416 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1416 trivial. 0 not checked. [2022-07-22 00:48:43,805 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1557195686] provided 1 perfect and 1 imperfect interpolant sequences [2022-07-22 00:48:43,805 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-07-22 00:48:43,805 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9, 8] total 10 [2022-07-22 00:48:43,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368334277] [2022-07-22 00:48:43,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 00:48:43,806 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 00:48:43,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 00:48:43,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 00:48:43,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2022-07-22 00:48:43,807 INFO L87 Difference]: Start difference. First operand 593 states and 703 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-07-22 00:48:43,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 00:48:43,892 INFO L93 Difference]: Finished difference Result 649 states and 766 transitions. [2022-07-22 00:48:43,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 00:48:43,893 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 196 [2022-07-22 00:48:43,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 00:48:43,898 INFO L225 Difference]: With dead ends: 649 [2022-07-22 00:48:43,898 INFO L226 Difference]: Without dead ends: 612 [2022-07-22 00:48:43,899 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 406 GetRequests, 397 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2022-07-22 00:48:43,903 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 1 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 206 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-22 00:48:43,904 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 206 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 00:48:43,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 612 states. [2022-07-22 00:48:43,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 612 to 611. [2022-07-22 00:48:44,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 611 states, 591 states have (on average 1.1979695431472082) internal successors, (708), 596 states have internal predecessors, (708), 5 states have call successors, (5), 4 states have call predecessors, (5), 7 states have return successors, (10), 10 states have call predecessors, (10), 5 states have call successors, (10) [2022-07-22 00:48:44,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 611 states and 723 transitions. [2022-07-22 00:48:44,003 INFO L78 Accepts]: Start accepts. Automaton has 611 states and 723 transitions. Word has length 196 [2022-07-22 00:48:44,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 00:48:44,004 INFO L495 AbstractCegarLoop]: Abstraction has 611 states and 723 transitions. [2022-07-22 00:48:44,004 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-07-22 00:48:44,004 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 723 transitions. [2022-07-22 00:48:44,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2022-07-22 00:48:44,006 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 00:48:44,006 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 24, 23, 4, 4, 4, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 00:48:44,029 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2022-07-22 00:48:44,227 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2022-07-22 00:48:44,227 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-07-22 00:48:44,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 00:48:44,228 INFO L85 PathProgramCache]: Analyzing trace with hash 1045843495, now seen corresponding path program 1 times [2022-07-22 00:48:44,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 00:48:44,228 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171081445] [2022-07-22 00:48:44,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 00:48:44,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 00:48:44,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:48:44,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 00:48:44,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:48:44,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-22 00:48:44,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:48:44,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-22 00:48:44,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:48:44,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-22 00:48:44,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:48:44,348 INFO L134 CoverageAnalysis]: Checked inductivity of 1416 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 1407 trivial. 0 not checked. [2022-07-22 00:48:44,349 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 00:48:44,349 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171081445] [2022-07-22 00:48:44,349 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [171081445] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 00:48:44,349 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 00:48:44,349 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-22 00:48:44,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100091713] [2022-07-22 00:48:44,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 00:48:44,350 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-22 00:48:44,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 00:48:44,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-22 00:48:44,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-22 00:48:44,351 INFO L87 Difference]: Start difference. First operand 611 states and 723 transitions. Second operand has 9 states, 9 states have (on average 6.888888888888889) internal successors, (62), 7 states have internal predecessors, (62), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2022-07-22 00:48:44,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 00:48:44,578 INFO L93 Difference]: Finished difference Result 768 states and 896 transitions. [2022-07-22 00:48:44,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-22 00:48:44,578 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.888888888888889) internal successors, (62), 7 states have internal predecessors, (62), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 196 [2022-07-22 00:48:44,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 00:48:44,581 INFO L225 Difference]: With dead ends: 768 [2022-07-22 00:48:44,581 INFO L226 Difference]: Without dead ends: 752 [2022-07-22 00:48:44,582 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2022-07-22 00:48:44,582 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 152 mSDsluCounter, 683 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 784 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-22 00:48:44,583 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 784 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-22 00:48:44,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 752 states. [2022-07-22 00:48:44,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 752 to 617. [2022-07-22 00:48:44,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 617 states, 597 states have (on average 1.1976549413735342) internal successors, (715), 602 states have internal predecessors, (715), 5 states have call successors, (5), 4 states have call predecessors, (5), 7 states have return successors, (10), 10 states have call predecessors, (10), 5 states have call successors, (10) [2022-07-22 00:48:44,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 617 states to 617 states and 730 transitions. [2022-07-22 00:48:44,688 INFO L78 Accepts]: Start accepts. Automaton has 617 states and 730 transitions. Word has length 196 [2022-07-22 00:48:44,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 00:48:44,690 INFO L495 AbstractCegarLoop]: Abstraction has 617 states and 730 transitions. [2022-07-22 00:48:44,690 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.888888888888889) internal successors, (62), 7 states have internal predecessors, (62), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2022-07-22 00:48:44,690 INFO L276 IsEmpty]: Start isEmpty. Operand 617 states and 730 transitions. [2022-07-22 00:48:44,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2022-07-22 00:48:44,691 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 00:48:44,691 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 24, 23, 4, 4, 4, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 00:48:44,692 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-07-22 00:48:44,692 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-07-22 00:48:44,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 00:48:44,693 INFO L85 PathProgramCache]: Analyzing trace with hash 1045843557, now seen corresponding path program 1 times [2022-07-22 00:48:44,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 00:48:44,694 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983067187] [2022-07-22 00:48:44,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 00:48:44,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 00:48:44,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:48:44,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 00:48:44,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:48:44,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-22 00:48:44,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:48:44,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-22 00:48:44,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:48:44,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-22 00:48:44,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:48:44,924 INFO L134 CoverageAnalysis]: Checked inductivity of 1416 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 1407 trivial. 0 not checked. [2022-07-22 00:48:44,924 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 00:48:44,924 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [983067187] [2022-07-22 00:48:44,924 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [983067187] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 00:48:44,924 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1900928491] [2022-07-22 00:48:44,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 00:48:44,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 00:48:44,925 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 00:48:44,928 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-22 00:48:44,953 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2022-07-22 00:48:45,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:48:45,033 INFO L263 TraceCheckSpWp]: Trace formula consists of 426 conjuncts, 15 conjunts are in the unsatisfiable core [2022-07-22 00:48:45,036 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 00:48:45,341 INFO L134 CoverageAnalysis]: Checked inductivity of 1416 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 1407 trivial. 0 not checked. [2022-07-22 00:48:45,341 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 00:48:45,341 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1900928491] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 00:48:45,341 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-22 00:48:45,342 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [11] total 16 [2022-07-22 00:48:45,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729986284] [2022-07-22 00:48:45,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 00:48:45,342 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-22 00:48:45,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 00:48:45,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-22 00:48:45,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=236, Unknown=0, NotChecked=0, Total=272 [2022-07-22 00:48:45,343 INFO L87 Difference]: Start difference. First operand 617 states and 730 transitions. Second operand has 9 states, 8 states have (on average 7.75) internal successors, (62), 8 states have internal predecessors, (62), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2022-07-22 00:48:45,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 00:48:45,587 INFO L93 Difference]: Finished difference Result 685 states and 800 transitions. [2022-07-22 00:48:45,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-22 00:48:45,587 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 7.75) internal successors, (62), 8 states have internal predecessors, (62), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 196 [2022-07-22 00:48:45,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 00:48:45,592 INFO L225 Difference]: With dead ends: 685 [2022-07-22 00:48:45,592 INFO L226 Difference]: Without dead ends: 683 [2022-07-22 00:48:45,593 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 197 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=61, Invalid=359, Unknown=0, NotChecked=0, Total=420 [2022-07-22 00:48:45,596 INFO L413 NwaCegarLoop]: 95 mSDtfsCounter, 124 mSDsluCounter, 595 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 690 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-22 00:48:45,596 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 690 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-22 00:48:45,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 683 states. [2022-07-22 00:48:45,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 683 to 632. [2022-07-22 00:48:45,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 632 states, 612 states have (on average 1.1977124183006536) internal successors, (733), 617 states have internal predecessors, (733), 5 states have call successors, (5), 4 states have call predecessors, (5), 7 states have return successors, (10), 10 states have call predecessors, (10), 5 states have call successors, (10) [2022-07-22 00:48:45,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 632 states and 748 transitions. [2022-07-22 00:48:45,692 INFO L78 Accepts]: Start accepts. Automaton has 632 states and 748 transitions. Word has length 196 [2022-07-22 00:48:45,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 00:48:45,694 INFO L495 AbstractCegarLoop]: Abstraction has 632 states and 748 transitions. [2022-07-22 00:48:45,694 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 7.75) internal successors, (62), 8 states have internal predecessors, (62), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2022-07-22 00:48:45,694 INFO L276 IsEmpty]: Start isEmpty. Operand 632 states and 748 transitions. [2022-07-22 00:48:45,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2022-07-22 00:48:45,696 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 00:48:45,696 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 24, 23, 4, 4, 4, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 00:48:45,725 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2022-07-22 00:48:45,919 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2022-07-22 00:48:45,920 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-07-22 00:48:45,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 00:48:45,920 INFO L85 PathProgramCache]: Analyzing trace with hash -1938587819, now seen corresponding path program 1 times [2022-07-22 00:48:45,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 00:48:45,920 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696072674] [2022-07-22 00:48:45,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 00:48:45,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 00:48:45,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:48:46,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 00:48:46,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:48:46,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-22 00:48:46,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:48:46,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-22 00:48:46,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:48:46,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-22 00:48:46,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:48:46,163 INFO L134 CoverageAnalysis]: Checked inductivity of 1416 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 1407 trivial. 0 not checked. [2022-07-22 00:48:46,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 00:48:46,164 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1696072674] [2022-07-22 00:48:46,164 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1696072674] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 00:48:46,164 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 00:48:46,164 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-22 00:48:46,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134152832] [2022-07-22 00:48:46,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 00:48:46,165 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-22 00:48:46,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 00:48:46,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-22 00:48:46,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2022-07-22 00:48:46,166 INFO L87 Difference]: Start difference. First operand 632 states and 748 transitions. Second operand has 11 states, 10 states have (on average 6.3) internal successors, (63), 9 states have internal predecessors, (63), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2022-07-22 00:48:46,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 00:48:46,573 INFO L93 Difference]: Finished difference Result 748 states and 876 transitions. [2022-07-22 00:48:46,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-22 00:48:46,573 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.3) internal successors, (63), 9 states have internal predecessors, (63), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 197 [2022-07-22 00:48:46,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 00:48:46,575 INFO L225 Difference]: With dead ends: 748 [2022-07-22 00:48:46,575 INFO L226 Difference]: Without dead ends: 738 [2022-07-22 00:48:46,576 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=55, Invalid=217, Unknown=0, NotChecked=0, Total=272 [2022-07-22 00:48:46,576 INFO L413 NwaCegarLoop]: 98 mSDtfsCounter, 164 mSDsluCounter, 848 mSDsCounter, 0 mSdLazyCounter, 293 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 946 SdHoareTripleChecker+Invalid, 304 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 293 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-22 00:48:46,576 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [164 Valid, 946 Invalid, 304 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 293 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-22 00:48:46,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 738 states. [2022-07-22 00:48:46,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 738 to 626. [2022-07-22 00:48:46,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 626 states, 606 states have (on average 1.1947194719471947) internal successors, (724), 611 states have internal predecessors, (724), 5 states have call successors, (5), 4 states have call predecessors, (5), 7 states have return successors, (10), 10 states have call predecessors, (10), 5 states have call successors, (10) [2022-07-22 00:48:46,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 626 states and 739 transitions. [2022-07-22 00:48:46,660 INFO L78 Accepts]: Start accepts. Automaton has 626 states and 739 transitions. Word has length 197 [2022-07-22 00:48:46,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 00:48:46,660 INFO L495 AbstractCegarLoop]: Abstraction has 626 states and 739 transitions. [2022-07-22 00:48:46,660 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.3) internal successors, (63), 9 states have internal predecessors, (63), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2022-07-22 00:48:46,661 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 739 transitions. [2022-07-22 00:48:46,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2022-07-22 00:48:46,665 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 00:48:46,665 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 24, 23, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 00:48:46,665 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-07-22 00:48:46,665 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-07-22 00:48:46,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 00:48:46,666 INFO L85 PathProgramCache]: Analyzing trace with hash 156348892, now seen corresponding path program 1 times [2022-07-22 00:48:46,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 00:48:46,666 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116730320] [2022-07-22 00:48:46,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 00:48:46,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 00:48:46,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:48:46,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 00:48:46,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:48:46,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-22 00:48:46,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:48:46,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-22 00:48:46,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:48:46,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-07-22 00:48:46,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:48:46,841 INFO L134 CoverageAnalysis]: Checked inductivity of 1441 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 1430 trivial. 0 not checked. [2022-07-22 00:48:46,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 00:48:46,841 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116730320] [2022-07-22 00:48:46,841 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2116730320] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 00:48:46,841 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1564032204] [2022-07-22 00:48:46,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 00:48:46,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 00:48:46,842 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 00:48:46,844 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-22 00:48:46,845 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2022-07-22 00:48:46,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:48:46,939 INFO L263 TraceCheckSpWp]: Trace formula consists of 434 conjuncts, 34 conjunts are in the unsatisfiable core [2022-07-22 00:48:46,942 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 00:48:47,178 INFO L134 CoverageAnalysis]: Checked inductivity of 1441 backedges. 17 proven. 15 refuted. 0 times theorem prover too weak. 1409 trivial. 0 not checked. [2022-07-22 00:48:47,178 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 00:48:47,514 INFO L134 CoverageAnalysis]: Checked inductivity of 1441 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 1430 trivial. 0 not checked. [2022-07-22 00:48:47,515 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1564032204] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-22 00:48:47,515 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-22 00:48:47,515 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11, 11] total 25 [2022-07-22 00:48:47,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805600481] [2022-07-22 00:48:47,515 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-22 00:48:47,516 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-07-22 00:48:47,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 00:48:47,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-07-22 00:48:47,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=531, Unknown=0, NotChecked=0, Total=600 [2022-07-22 00:48:47,517 INFO L87 Difference]: Start difference. First operand 626 states and 739 transitions. Second operand has 25 states, 24 states have (on average 3.3333333333333335) internal successors, (80), 21 states have internal predecessors, (80), 4 states have call successors, (12), 2 states have call predecessors, (12), 4 states have return successors, (9), 6 states have call predecessors, (9), 4 states have call successors, (9) [2022-07-22 00:48:48,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 00:48:48,965 INFO L93 Difference]: Finished difference Result 1147 states and 1342 transitions. [2022-07-22 00:48:48,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-07-22 00:48:48,966 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 3.3333333333333335) internal successors, (80), 21 states have internal predecessors, (80), 4 states have call successors, (12), 2 states have call predecessors, (12), 4 states have return successors, (9), 6 states have call predecessors, (9), 4 states have call successors, (9) Word has length 197 [2022-07-22 00:48:48,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 00:48:48,969 INFO L225 Difference]: With dead ends: 1147 [2022-07-22 00:48:48,969 INFO L226 Difference]: Without dead ends: 992 [2022-07-22 00:48:48,971 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 441 GetRequests, 386 SyntacticMatches, 1 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 640 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=384, Invalid=2696, Unknown=0, NotChecked=0, Total=3080 [2022-07-22 00:48:48,971 INFO L413 NwaCegarLoop]: 131 mSDtfsCounter, 494 mSDsluCounter, 2170 mSDsCounter, 0 mSdLazyCounter, 1110 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 501 SdHoareTripleChecker+Valid, 2301 SdHoareTripleChecker+Invalid, 1144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 1110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-22 00:48:48,972 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [501 Valid, 2301 Invalid, 1144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 1110 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-22 00:48:48,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 992 states. [2022-07-22 00:48:49,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 992 to 620. [2022-07-22 00:48:49,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 620 states, 600 states have (on average 1.1933333333333334) internal successors, (716), 605 states have internal predecessors, (716), 5 states have call successors, (5), 4 states have call predecessors, (5), 7 states have return successors, (10), 10 states have call predecessors, (10), 5 states have call successors, (10) [2022-07-22 00:48:49,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 620 states to 620 states and 731 transitions. [2022-07-22 00:48:49,060 INFO L78 Accepts]: Start accepts. Automaton has 620 states and 731 transitions. Word has length 197 [2022-07-22 00:48:49,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 00:48:49,061 INFO L495 AbstractCegarLoop]: Abstraction has 620 states and 731 transitions. [2022-07-22 00:48:49,061 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 3.3333333333333335) internal successors, (80), 21 states have internal predecessors, (80), 4 states have call successors, (12), 2 states have call predecessors, (12), 4 states have return successors, (9), 6 states have call predecessors, (9), 4 states have call successors, (9) [2022-07-22 00:48:49,061 INFO L276 IsEmpty]: Start isEmpty. Operand 620 states and 731 transitions. [2022-07-22 00:48:49,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2022-07-22 00:48:49,062 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 00:48:49,063 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 24, 23, 4, 4, 4, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 00:48:49,088 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2022-07-22 00:48:49,279 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 00:48:49,279 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-07-22 00:48:49,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 00:48:49,279 INFO L85 PathProgramCache]: Analyzing trace with hash 33320039, now seen corresponding path program 1 times [2022-07-22 00:48:49,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 00:48:49,279 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780101955] [2022-07-22 00:48:49,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 00:48:49,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 00:48:49,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:48:49,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 00:48:49,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:48:49,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-22 00:48:49,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:48:49,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-22 00:48:49,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:48:49,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-22 00:48:49,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:48:49,610 INFO L134 CoverageAnalysis]: Checked inductivity of 1416 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2022-07-22 00:48:49,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 00:48:49,611 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1780101955] [2022-07-22 00:48:49,611 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1780101955] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 00:48:49,611 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 00:48:49,611 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-07-22 00:48:49,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670391223] [2022-07-22 00:48:49,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 00:48:49,612 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-07-22 00:48:49,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 00:48:49,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-07-22 00:48:49,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2022-07-22 00:48:49,614 INFO L87 Difference]: Start difference. First operand 620 states and 731 transitions. Second operand has 15 states, 13 states have (on average 4.846153846153846) internal successors, (63), 12 states have internal predecessors, (63), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2022-07-22 00:48:50,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 00:48:50,034 INFO L93 Difference]: Finished difference Result 766 states and 893 transitions. [2022-07-22 00:48:50,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-07-22 00:48:50,035 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 13 states have (on average 4.846153846153846) internal successors, (63), 12 states have internal predecessors, (63), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) Word has length 198 [2022-07-22 00:48:50,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 00:48:50,037 INFO L225 Difference]: With dead ends: 766 [2022-07-22 00:48:50,037 INFO L226 Difference]: Without dead ends: 734 [2022-07-22 00:48:50,037 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=85, Invalid=421, Unknown=0, NotChecked=0, Total=506 [2022-07-22 00:48:50,038 INFO L413 NwaCegarLoop]: 88 mSDtfsCounter, 189 mSDsluCounter, 1005 mSDsCounter, 0 mSdLazyCounter, 353 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 1093 SdHoareTripleChecker+Invalid, 368 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 353 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-22 00:48:50,038 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 1093 Invalid, 368 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 353 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-22 00:48:50,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 734 states. [2022-07-22 00:48:50,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 734 to 608. [2022-07-22 00:48:50,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 608 states, 589 states have (on average 1.1935483870967742) internal successors, (703), 594 states have internal predecessors, (703), 5 states have call successors, (5), 4 states have call predecessors, (5), 7 states have return successors, (9), 9 states have call predecessors, (9), 5 states have call successors, (9) [2022-07-22 00:48:50,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 608 states and 717 transitions. [2022-07-22 00:48:50,107 INFO L78 Accepts]: Start accepts. Automaton has 608 states and 717 transitions. Word has length 198 [2022-07-22 00:48:50,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 00:48:50,108 INFO L495 AbstractCegarLoop]: Abstraction has 608 states and 717 transitions. [2022-07-22 00:48:50,108 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 13 states have (on average 4.846153846153846) internal successors, (63), 12 states have internal predecessors, (63), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2022-07-22 00:48:50,108 INFO L276 IsEmpty]: Start isEmpty. Operand 608 states and 717 transitions. [2022-07-22 00:48:50,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-07-22 00:48:50,110 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 00:48:50,110 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 24, 23, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 00:48:50,110 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-07-22 00:48:50,110 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-07-22 00:48:50,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 00:48:50,111 INFO L85 PathProgramCache]: Analyzing trace with hash 1058160247, now seen corresponding path program 1 times [2022-07-22 00:48:50,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 00:48:50,111 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067085709] [2022-07-22 00:48:50,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 00:48:50,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 00:48:50,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 00:48:50,155 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 00:48:50,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 00:48:50,221 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 00:48:50,221 INFO L271 BasicCegarLoop]: Counterexample is feasible [2022-07-22 00:48:50,223 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 18 remaining) [2022-07-22 00:48:50,225 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 18 remaining) [2022-07-22 00:48:50,225 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 18 remaining) [2022-07-22 00:48:50,225 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 18 remaining) [2022-07-22 00:48:50,225 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location base2fltErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 18 remaining) [2022-07-22 00:48:50,225 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location base2fltErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 18 remaining) [2022-07-22 00:48:50,226 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location base2fltErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 18 remaining) [2022-07-22 00:48:50,226 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location base2fltErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 18 remaining) [2022-07-22 00:48:50,226 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location base2fltErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 18 remaining) [2022-07-22 00:48:50,226 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 18 remaining) [2022-07-22 00:48:50,226 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 18 remaining) [2022-07-22 00:48:50,226 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 18 remaining) [2022-07-22 00:48:50,226 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 18 remaining) [2022-07-22 00:48:50,227 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 18 remaining) [2022-07-22 00:48:50,227 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 18 remaining) [2022-07-22 00:48:50,227 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 18 remaining) [2022-07-22 00:48:50,227 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 18 remaining) [2022-07-22 00:48:50,227 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 18 remaining) [2022-07-22 00:48:50,227 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-07-22 00:48:50,230 INFO L356 BasicCegarLoop]: Path program histogram: [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 00:48:50,234 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-22 00:48:50,418 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.07 12:48:50 BoogieIcfgContainer [2022-07-22 00:48:50,418 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-22 00:48:50,419 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-22 00:48:50,419 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-22 00:48:50,419 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-22 00:48:50,419 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 12:46:51" (3/4) ... [2022-07-22 00:48:50,422 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-22 00:48:50,422 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-22 00:48:50,422 INFO L158 Benchmark]: Toolchain (without parser) took 119577.88ms. Allocated memory was 56.6MB in the beginning and 293.6MB in the end (delta: 237.0MB). Free memory was 35.4MB in the beginning and 252.3MB in the end (delta: -217.0MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. [2022-07-22 00:48:50,423 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 56.6MB. Free memory was 38.9MB in the beginning and 38.9MB in the end (delta: 50.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 00:48:50,423 INFO L158 Benchmark]: CACSL2BoogieTranslator took 277.42ms. Allocated memory is still 56.6MB. Free memory was 35.1MB in the beginning and 39.1MB in the end (delta: -4.0MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. [2022-07-22 00:48:50,423 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.81ms. Allocated memory is still 56.6MB. Free memory was 39.0MB in the beginning and 36.7MB in the end (delta: 2.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-22 00:48:50,423 INFO L158 Benchmark]: Boogie Preprocessor took 26.74ms. Allocated memory is still 56.6MB. Free memory was 36.7MB in the beginning and 35.0MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 00:48:50,423 INFO L158 Benchmark]: RCFGBuilder took 617.86ms. Allocated memory was 56.6MB in the beginning and 73.4MB in the end (delta: 16.8MB). Free memory was 35.0MB in the beginning and 46.8MB in the end (delta: -11.8MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. [2022-07-22 00:48:50,424 INFO L158 Benchmark]: TraceAbstraction took 118609.62ms. Allocated memory was 73.4MB in the beginning and 293.6MB in the end (delta: 220.2MB). Free memory was 46.2MB in the beginning and 253.4MB in the end (delta: -207.2MB). Peak memory consumption was 41.2MB. Max. memory is 16.1GB. [2022-07-22 00:48:50,424 INFO L158 Benchmark]: Witness Printer took 3.24ms. Allocated memory is still 293.6MB. Free memory was 253.4MB in the beginning and 252.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-22 00:48:50,425 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 56.6MB. Free memory was 38.9MB in the beginning and 38.9MB in the end (delta: 50.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 277.42ms. Allocated memory is still 56.6MB. Free memory was 35.1MB in the beginning and 39.1MB in the end (delta: -4.0MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.81ms. Allocated memory is still 56.6MB. Free memory was 39.0MB in the beginning and 36.7MB in the end (delta: 2.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.74ms. Allocated memory is still 56.6MB. Free memory was 36.7MB in the beginning and 35.0MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 617.86ms. Allocated memory was 56.6MB in the beginning and 73.4MB in the end (delta: 16.8MB). Free memory was 35.0MB in the beginning and 46.8MB in the end (delta: -11.8MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. * TraceAbstraction took 118609.62ms. Allocated memory was 73.4MB in the beginning and 293.6MB in the end (delta: 220.2MB). Free memory was 46.2MB in the beginning and 253.4MB in the end (delta: -207.2MB). Peak memory consumption was 41.2MB. Max. memory is 16.1GB. * Witness Printer took 3.24ms. Allocated memory is still 293.6MB. Free memory was 253.4MB in the beginning and 252.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. 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: 172]: 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=-126, eb=-127] [L238] CALL, EXPR base2flt(0, 0) VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=36028799166447616, \old(m)=0, \old(res = m | ((unsigned int )(e + 128) << 24U))=36028799166447617, m = m & ~ (1U << 24U)=36028799166447616, res = m | ((unsigned int )(e + 128) << 24U)=36028799166447617] [L25] unsigned int res ; [L26] unsigned int __retres4 ; VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=36028799166447616, \old(m)=0, \old(res = m | ((unsigned int )(e + 128) << 24U))=36028799166447617, e=0, m=0, m = m & ~ (1U << 24U)=36028799166447616, res = m | ((unsigned int )(e + 128) << 24U)=36028799166447617] [L29] COND TRUE ! m [L30] __retres4 = 0U VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=36028799166447616, \old(m)=0, \old(res = m | ((unsigned int )(e + 128) << 24U))=36028799166447617, __retres4=0, e=0, m=0, m = m & ~ (1U << 24U)=36028799166447616, res = m | ((unsigned int )(e + 128) << 24U)=36028799166447617] [L80] return (__retres4); VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=36028799166447616, \old(m)=0, \old(res = m | ((unsigned int )(e + 128) << 24U))=36028799166447617, \result=0, __retres4=0, e=0, m=0, m = m & ~ (1U << 24U)=36028799166447616, res = m | ((unsigned int )(e + 128) << 24U)=36028799166447617] [L238] RET, EXPR base2flt(0, 0) VAL [base2flt(0, 0)=0, ea=-126, eb=-127, m = m & ~ (1U << 24U)=36028799166447616, res = m | ((unsigned int )(e + 128) << 24U)=36028799166447617] [L238] zero = base2flt(0, 0) [L239] CALL, EXPR base2flt(1, 0) VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=36028799166447616, \old(m)=1, \old(res = m | ((unsigned int )(e + 128) << 24U))=36028799166447617, m = m & ~ (1U << 24U)=36028799166447616, res = m | ((unsigned int )(e + 128) << 24U)=36028799166447617] [L25] unsigned int res ; [L26] unsigned int __retres4 ; VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=36028799166447616, \old(m)=1, \old(res = m | ((unsigned int )(e + 128) << 24U))=36028799166447617, e=0, m=1, m = m & ~ (1U << 24U)=36028799166447616, res = m | ((unsigned int )(e + 128) << 24U)=36028799166447617] [L29] COND FALSE !(! m) VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=36028799166447616, \old(m)=1, \old(res = m | ((unsigned int )(e + 128) << 24U))=36028799166447617, e=0, m=1, m = m & ~ (1U << 24U)=36028799166447616, res = m | ((unsigned int )(e + 128) << 24U)=36028799166447617] [L35] COND TRUE m < 1U << 24U VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=36028799166447616, \old(m)=1, \old(res = m | ((unsigned int )(e + 128) << 24U))=36028799166447617, e=0, m=1, m = m & ~ (1U << 24U)=36028799166447616, res = m | ((unsigned int )(e + 128) << 24U)=36028799166447617] [L37] COND TRUE 1 VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=36028799166447616, \old(m)=1, \old(res = m | ((unsigned int )(e + 128) << 24U))=36028799166447617, e=0, m=1, m = m & ~ (1U << 24U)=36028799166447616, res = m | ((unsigned int )(e + 128) << 24U)=36028799166447617] [L39] COND FALSE !(e <= -128) VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=36028799166447616, \old(m)=1, \old(res = m | ((unsigned int )(e + 128) << 24U))=36028799166447617, e=0, m=1, m = m & ~ (1U << 24U)=36028799166447616, res = m | ((unsigned int )(e + 128) << 24U)=36028799166447617] [L45] EXPR e - 1 [L45] e = e - 1 [L46] m = m << 1U VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=36028799166447616, \old(m)=1, \old(res = m | ((unsigned int )(e + 128) << 24U))=36028799166447617, e=-1, m=2, m = m & ~ (1U << 24U)=36028799166447616, res = m | ((unsigned int )(e + 128) << 24U)=36028799166447617] [L47] COND TRUE m < 1U << 24U VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=36028799166447616, \old(m)=1, \old(res = m | ((unsigned int )(e + 128) << 24U))=36028799166447617, e=-1, m=2, m = m & ~ (1U << 24U)=36028799166447616, res = m | ((unsigned int )(e + 128) << 24U)=36028799166447617] [L37] COND TRUE 1 VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=36028799166447616, \old(m)=1, \old(res = m | ((unsigned int )(e + 128) << 24U))=36028799166447617, e=-1, m=2, m = m & ~ (1U << 24U)=36028799166447616, res = m | ((unsigned int )(e + 128) << 24U)=36028799166447617] [L39] COND FALSE !(e <= -128) VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=36028799166447616, \old(m)=1, \old(res = m | ((unsigned int )(e + 128) << 24U))=36028799166447617, e=-1, m=2, m = m & ~ (1U << 24U)=36028799166447616, res = m | ((unsigned int )(e + 128) << 24U)=36028799166447617] [L45] EXPR e - 1 [L45] e = e - 1 [L46] m = m << 1U VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=36028799166447616, \old(m)=1, \old(res = m | ((unsigned int )(e + 128) << 24U))=36028799166447617, e=-2, m=4, m = m & ~ (1U << 24U)=36028799166447616, res = m | ((unsigned int )(e + 128) << 24U)=36028799166447617] [L47] COND TRUE m < 1U << 24U VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=36028799166447616, \old(m)=1, \old(res = m | ((unsigned int )(e + 128) << 24U))=36028799166447617, e=-2, m=4, m = m & ~ (1U << 24U)=36028799166447616, res = m | ((unsigned int )(e + 128) << 24U)=36028799166447617] [L37] COND TRUE 1 VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=36028799166447616, \old(m)=1, \old(res = m | ((unsigned int )(e + 128) << 24U))=36028799166447617, e=-2, m=4, m = m & ~ (1U << 24U)=36028799166447616, res = m | ((unsigned int )(e + 128) << 24U)=36028799166447617] [L39] COND FALSE !(e <= -128) VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=36028799166447616, \old(m)=1, \old(res = m | ((unsigned int )(e + 128) << 24U))=36028799166447617, e=-2, m=4, m = m & ~ (1U << 24U)=36028799166447616, res = m | ((unsigned int )(e + 128) << 24U)=36028799166447617] [L45] EXPR e - 1 [L45] e = e - 1 [L46] m = m << 1U VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=36028799166447616, \old(m)=1, \old(res = m | ((unsigned int )(e + 128) << 24U))=36028799166447617, e=-3, m=8, m = m & ~ (1U << 24U)=36028799166447616, res = m | ((unsigned int )(e + 128) << 24U)=36028799166447617] [L47] COND TRUE m < 1U << 24U VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=36028799166447616, \old(m)=1, \old(res = m | ((unsigned int )(e + 128) << 24U))=36028799166447617, e=-3, m=8, m = m & ~ (1U << 24U)=36028799166447616, res = m | ((unsigned int )(e + 128) << 24U)=36028799166447617] [L37] COND TRUE 1 VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=36028799166447616, \old(m)=1, \old(res = m | ((unsigned int )(e + 128) << 24U))=36028799166447617, e=-3, m=8, m = m & ~ (1U << 24U)=36028799166447616, res = m | ((unsigned int )(e + 128) << 24U)=36028799166447617] [L39] COND FALSE !(e <= -128) VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=36028799166447616, \old(m)=1, \old(res = m | ((unsigned int )(e + 128) << 24U))=36028799166447617, e=-3, m=8, m = m & ~ (1U << 24U)=36028799166447616, res = m | ((unsigned int )(e + 128) << 24U)=36028799166447617] [L45] EXPR e - 1 [L45] e = e - 1 [L46] m = m << 1U VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=36028799166447616, \old(m)=1, \old(res = m | ((unsigned int )(e + 128) << 24U))=36028799166447617, e=-4, m=16, m = m & ~ (1U << 24U)=36028799166447616, res = m | ((unsigned int )(e + 128) << 24U)=36028799166447617] [L47] COND TRUE m < 1U << 24U VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=36028799166447616, \old(m)=1, \old(res = m | ((unsigned int )(e + 128) << 24U))=36028799166447617, e=-4, m=16, m = m & ~ (1U << 24U)=36028799166447616, res = m | ((unsigned int )(e + 128) << 24U)=36028799166447617] [L37] COND TRUE 1 VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=36028799166447616, \old(m)=1, \old(res = m | ((unsigned int )(e + 128) << 24U))=36028799166447617, e=-4, m=16, m = m & ~ (1U << 24U)=36028799166447616, res = m | ((unsigned int )(e + 128) << 24U)=36028799166447617] [L39] COND FALSE !(e <= -128) VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=36028799166447616, \old(m)=1, \old(res = m | ((unsigned int )(e + 128) << 24U))=36028799166447617, e=-4, m=16, m = m & ~ (1U << 24U)=36028799166447616, res = m | ((unsigned int )(e + 128) << 24U)=36028799166447617] [L45] EXPR e - 1 [L45] e = e - 1 [L46] m = m << 1U VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=36028799166447616, \old(m)=1, \old(res = m | ((unsigned int )(e + 128) << 24U))=36028799166447617, e=-5, m=32, m = m & ~ (1U << 24U)=36028799166447616, res = m | ((unsigned int )(e + 128) << 24U)=36028799166447617] [L47] COND TRUE m < 1U << 24U VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=36028799166447616, \old(m)=1, \old(res = m | ((unsigned int )(e + 128) << 24U))=36028799166447617, e=-5, m=32, m = m & ~ (1U << 24U)=36028799166447616, res = m | ((unsigned int )(e + 128) << 24U)=36028799166447617] [L37] COND TRUE 1 VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=36028799166447616, \old(m)=1, \old(res = m | ((unsigned int )(e + 128) << 24U))=36028799166447617, e=-5, m=32, m = m & ~ (1U << 24U)=36028799166447616, res = m | ((unsigned int )(e + 128) << 24U)=36028799166447617] [L39] COND FALSE !(e <= -128) VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=36028799166447616, \old(m)=1, \old(res = m | ((unsigned int )(e + 128) << 24U))=36028799166447617, e=-5, m=32, m = m & ~ (1U << 24U)=36028799166447616, res = m | ((unsigned int )(e + 128) << 24U)=36028799166447617] [L45] EXPR e - 1 [L45] e = e - 1 [L46] m = m << 1U VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=36028799166447616, \old(m)=1, \old(res = m | ((unsigned int )(e + 128) << 24U))=36028799166447617, e=-6, m=64, m = m & ~ (1U << 24U)=36028799166447616, res = m | ((unsigned int )(e + 128) << 24U)=36028799166447617] [L47] COND TRUE m < 1U << 24U VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=36028799166447616, \old(m)=1, \old(res = m | ((unsigned int )(e + 128) << 24U))=36028799166447617, e=-6, m=64, m = m & ~ (1U << 24U)=36028799166447616, res = m | ((unsigned int )(e + 128) << 24U)=36028799166447617] [L37] COND TRUE 1 VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=36028799166447616, \old(m)=1, \old(res = m | ((unsigned int )(e + 128) << 24U))=36028799166447617, e=-6, m=64, m = m & ~ (1U << 24U)=36028799166447616, res = m | ((unsigned int )(e + 128) << 24U)=36028799166447617] [L39] COND FALSE !(e <= -128) VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=36028799166447616, \old(m)=1, \old(res = m | ((unsigned int )(e + 128) << 24U))=36028799166447617, e=-6, m=64, m = m & ~ (1U << 24U)=36028799166447616, res = m | ((unsigned int )(e + 128) << 24U)=36028799166447617] [L45] EXPR e - 1 [L45] e = e - 1 [L46] m = m << 1U VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=36028799166447616, \old(m)=1, \old(res = m | ((unsigned int )(e + 128) << 24U))=36028799166447617, e=-7, m=128, m = m & ~ (1U << 24U)=36028799166447616, res = m | ((unsigned int )(e + 128) << 24U)=36028799166447617] [L47] COND TRUE m < 1U << 24U VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=36028799166447616, \old(m)=1, \old(res = m | ((unsigned int )(e + 128) << 24U))=36028799166447617, e=-7, m=128, m = m & ~ (1U << 24U)=36028799166447616, res = m | ((unsigned int )(e + 128) << 24U)=36028799166447617] [L37] COND TRUE 1 VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=36028799166447616, \old(m)=1, \old(res = m | ((unsigned int )(e + 128) << 24U))=36028799166447617, e=-7, m=128, m = m & ~ (1U << 24U)=36028799166447616, res = m | ((unsigned int )(e + 128) << 24U)=36028799166447617] [L39] COND FALSE !(e <= -128) VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=36028799166447616, \old(m)=1, \old(res = m | ((unsigned int )(e + 128) << 24U))=36028799166447617, e=-7, m=128, m = m & ~ (1U << 24U)=36028799166447616, res = m | ((unsigned int )(e + 128) << 24U)=36028799166447617] [L45] EXPR e - 1 [L45] e = e - 1 [L46] m = m << 1U VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=36028799166447616, \old(m)=1, \old(res = m | ((unsigned int )(e + 128) << 24U))=36028799166447617, e=-8, m=256, m = m & ~ (1U << 24U)=36028799166447616, res = m | ((unsigned int )(e + 128) << 24U)=36028799166447617] [L47] COND TRUE m < 1U << 24U VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=36028799166447616, \old(m)=1, \old(res = m | ((unsigned int )(e + 128) << 24U))=36028799166447617, e=-8, m=256, m = m & ~ (1U << 24U)=36028799166447616, res = m | ((unsigned int )(e + 128) << 24U)=36028799166447617] [L37] COND TRUE 1 VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=36028799166447616, \old(m)=1, \old(res = m | ((unsigned int )(e + 128) << 24U))=36028799166447617, e=-8, m=256, m = m & ~ (1U << 24U)=36028799166447616, res = m | ((unsigned int )(e + 128) << 24U)=36028799166447617] [L39] COND FALSE !(e <= -128) VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=36028799166447616, \old(m)=1, \old(res = m | ((unsigned int )(e + 128) << 24U))=36028799166447617, e=-8, m=256, m = m & ~ (1U << 24U)=36028799166447616, res = m | ((unsigned int )(e + 128) << 24U)=36028799166447617] [L45] EXPR e - 1 [L45] e = e - 1 [L46] m = m << 1U VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=36028799166447616, \old(m)=1, \old(res = m | ((unsigned int )(e + 128) << 24U))=36028799166447617, e=-9, m=512, m = m & ~ (1U << 24U)=36028799166447616, res = m | ((unsigned int )(e + 128) << 24U)=36028799166447617] [L47] COND TRUE m < 1U << 24U VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=36028799166447616, \old(m)=1, \old(res = m | ((unsigned int )(e + 128) << 24U))=36028799166447617, e=-9, m=512, m = m & ~ (1U << 24U)=36028799166447616, res = m | ((unsigned int )(e + 128) << 24U)=36028799166447617] [L37] COND TRUE 1 VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=36028799166447616, \old(m)=1, \old(res = m | ((unsigned int )(e + 128) << 24U))=36028799166447617, e=-9, m=512, m = m & ~ (1U << 24U)=36028799166447616, res = m | ((unsigned int )(e + 128) << 24U)=36028799166447617] [L39] COND FALSE !(e <= -128) VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=36028799166447616, \old(m)=1, \old(res = m | ((unsigned int )(e + 128) << 24U))=36028799166447617, e=-9, m=512, m = m & ~ (1U << 24U)=36028799166447616, res = m | ((unsigned int )(e + 128) << 24U)=36028799166447617] [L45] EXPR e - 1 [L45] e = e - 1 [L46] m = m << 1U VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=36028799166447616, \old(m)=1, \old(res = m | ((unsigned int )(e + 128) << 24U))=36028799166447617, e=-10, m=1024, m = m & ~ (1U << 24U)=36028799166447616, res = m | ((unsigned int )(e + 128) << 24U)=36028799166447617] [L47] COND TRUE m < 1U << 24U VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=36028799166447616, \old(m)=1, \old(res = m | ((unsigned int )(e + 128) << 24U))=36028799166447617, e=-10, m=1024, m = m & ~ (1U << 24U)=36028799166447616, res = m | ((unsigned int )(e + 128) << 24U)=36028799166447617] [L37] COND TRUE 1 VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=36028799166447616, \old(m)=1, \old(res = m | ((unsigned int )(e + 128) << 24U))=36028799166447617, e=-10, m=1024, m = m & ~ (1U << 24U)=36028799166447616, res = m | ((unsigned int )(e + 128) << 24U)=36028799166447617] [L39] COND FALSE !(e <= -128) VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=36028799166447616, \old(m)=1, \old(res = m | ((unsigned int )(e + 128) << 24U))=36028799166447617, e=-10, m=1024, m = m & ~ (1U << 24U)=36028799166447616, res = m | ((unsigned int )(e + 128) << 24U)=36028799166447617] [L45] EXPR e - 1 [L45] e = e - 1 [L46] m = m << 1U VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=36028799166447616, \old(m)=1, \old(res = m | ((unsigned int )(e + 128) << 24U))=36028799166447617, e=-11, m=2048, m = m & ~ (1U << 24U)=36028799166447616, res = m | ((unsigned int )(e + 128) << 24U)=36028799166447617] [L47] COND TRUE m < 1U << 24U VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=36028799166447616, \old(m)=1, \old(res = m | ((unsigned int )(e + 128) << 24U))=36028799166447617, e=-11, m=2048, m = m & ~ (1U << 24U)=36028799166447616, res = m | ((unsigned int )(e + 128) << 24U)=36028799166447617] [L37] COND TRUE 1 VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=36028799166447616, \old(m)=1, \old(res = m | ((unsigned int )(e + 128) << 24U))=36028799166447617, e=-11, m=2048, m = m & ~ (1U << 24U)=36028799166447616, res = m | ((unsigned int )(e + 128) << 24U)=36028799166447617] [L39] COND FALSE !(e <= -128) VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=36028799166447616, \old(m)=1, \old(res = m | ((unsigned int )(e + 128) << 24U))=36028799166447617, e=-11, m=2048, m = m & ~ (1U << 24U)=36028799166447616, res = m | ((unsigned int )(e + 128) << 24U)=36028799166447617] [L45] EXPR e - 1 [L45] e = e - 1 [L46] m = m << 1U VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=36028799166447616, \old(m)=1, \old(res = m | ((unsigned int )(e + 128) << 24U))=36028799166447617, e=-12, m=4096, m = m & ~ (1U << 24U)=36028799166447616, res = m | ((unsigned int )(e + 128) << 24U)=36028799166447617] [L47] COND TRUE m < 1U << 24U VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=36028799166447616, \old(m)=1, \old(res = m | ((unsigned int )(e + 128) << 24U))=36028799166447617, e=-12, m=4096, m = m & ~ (1U << 24U)=36028799166447616, res = m | ((unsigned int )(e + 128) << 24U)=36028799166447617] [L37] COND TRUE 1 VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=36028799166447616, \old(m)=1, \old(res = m | ((unsigned int )(e + 128) << 24U))=36028799166447617, e=-12, m=4096, m = m & ~ (1U << 24U)=36028799166447616, res = m | ((unsigned int )(e + 128) << 24U)=36028799166447617] [L39] COND FALSE !(e <= -128) VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=36028799166447616, \old(m)=1, \old(res = m | ((unsigned int )(e + 128) << 24U))=36028799166447617, e=-12, m=4096, m = m & ~ (1U << 24U)=36028799166447616, res = m | ((unsigned int )(e + 128) << 24U)=36028799166447617] [L45] EXPR e - 1 [L45] e = e - 1 [L46] m = m << 1U VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=36028799166447616, \old(m)=1, \old(res = m | ((unsigned int )(e + 128) << 24U))=36028799166447617, e=-13, m=8192, m = m & ~ (1U << 24U)=36028799166447616, res = m | ((unsigned int )(e + 128) << 24U)=36028799166447617] [L47] COND TRUE m < 1U << 24U VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=36028799166447616, \old(m)=1, \old(res = m | ((unsigned int )(e + 128) << 24U))=36028799166447617, e=-13, m=8192, m = m & ~ (1U << 24U)=36028799166447616, res = m | ((unsigned int )(e + 128) << 24U)=36028799166447617] [L37] COND TRUE 1 VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=36028799166447616, \old(m)=1, \old(res = m | ((unsigned int )(e + 128) << 24U))=36028799166447617, e=-13, m=8192, m = m & ~ (1U << 24U)=36028799166447616, res = m | ((unsigned int )(e + 128) << 24U)=36028799166447617] [L39] COND FALSE !(e <= -128) VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=36028799166447616, \old(m)=1, \old(res = m | ((unsigned int )(e + 128) << 24U))=36028799166447617, e=-13, m=8192, m = m & ~ (1U << 24U)=36028799166447616, res = m | ((unsigned int )(e + 128) << 24U)=36028799166447617] [L45] EXPR e - 1 [L45] e = e - 1 [L46] m = m << 1U VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=36028799166447616, \old(m)=1, \old(res = m | ((unsigned int )(e + 128) << 24U))=36028799166447617, e=-14, m=16384, m = m & ~ (1U << 24U)=36028799166447616, res = m | ((unsigned int )(e + 128) << 24U)=36028799166447617] [L47] COND TRUE m < 1U << 24U VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=36028799166447616, \old(m)=1, \old(res = m | ((unsigned int )(e + 128) << 24U))=36028799166447617, e=-14, m=16384, m = m & ~ (1U << 24U)=36028799166447616, res = m | ((unsigned int )(e + 128) << 24U)=36028799166447617] [L37] COND TRUE 1 VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=36028799166447616, \old(m)=1, \old(res = m | ((unsigned int )(e + 128) << 24U))=36028799166447617, e=-14, m=16384, m = m & ~ (1U << 24U)=36028799166447616, res = m | ((unsigned int )(e + 128) << 24U)=36028799166447617] [L39] COND FALSE !(e <= -128) VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=36028799166447616, \old(m)=1, \old(res = m | ((unsigned int )(e + 128) << 24U))=36028799166447617, e=-14, m=16384, m = m & ~ (1U << 24U)=36028799166447616, res = m | ((unsigned int )(e + 128) << 24U)=36028799166447617] [L45] EXPR e - 1 [L45] e = e - 1 [L46] m = m << 1U VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=36028799166447616, \old(m)=1, \old(res = m | ((unsigned int )(e + 128) << 24U))=36028799166447617, e=-15, m=32768, m = m & ~ (1U << 24U)=36028799166447616, res = m | ((unsigned int )(e + 128) << 24U)=36028799166447617] [L47] COND TRUE m < 1U << 24U VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=36028799166447616, \old(m)=1, \old(res = m | ((unsigned int )(e + 128) << 24U))=36028799166447617, e=-15, m=32768, m = m & ~ (1U << 24U)=36028799166447616, res = m | ((unsigned int )(e + 128) << 24U)=36028799166447617] [L37] COND TRUE 1 VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=36028799166447616, \old(m)=1, \old(res = m | ((unsigned int )(e + 128) << 24U))=36028799166447617, e=-15, m=32768, m = m & ~ (1U << 24U)=36028799166447616, res = m | ((unsigned int )(e + 128) << 24U)=36028799166447617] [L39] COND FALSE !(e <= -128) VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=36028799166447616, \old(m)=1, \old(res = m | ((unsigned int )(e + 128) << 24U))=36028799166447617, e=-15, m=32768, m = m & ~ (1U << 24U)=36028799166447616, res = m | ((unsigned int )(e + 128) << 24U)=36028799166447617] [L45] EXPR e - 1 [L45] e = e - 1 [L46] m = m << 1U VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=36028799166447616, \old(m)=1, \old(res = m | ((unsigned int )(e + 128) << 24U))=36028799166447617, e=-16, m=65536, m = m & ~ (1U << 24U)=36028799166447616, res = m | ((unsigned int )(e + 128) << 24U)=36028799166447617] [L47] COND TRUE m < 1U << 24U VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=36028799166447616, \old(m)=1, \old(res = m | ((unsigned int )(e + 128) << 24U))=36028799166447617, e=-16, m=65536, m = m & ~ (1U << 24U)=36028799166447616, res = m | ((unsigned int )(e + 128) << 24U)=36028799166447617] [L37] COND TRUE 1 VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=36028799166447616, \old(m)=1, \old(res = m | ((unsigned int )(e + 128) << 24U))=36028799166447617, e=-16, m=65536, m = m & ~ (1U << 24U)=36028799166447616, res = m | ((unsigned int )(e + 128) << 24U)=36028799166447617] [L39] COND FALSE !(e <= -128) VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=36028799166447616, \old(m)=1, \old(res = m | ((unsigned int )(e + 128) << 24U))=36028799166447617, e=-16, m=65536, m = m & ~ (1U << 24U)=36028799166447616, res = m | ((unsigned int )(e + 128) << 24U)=36028799166447617] [L45] EXPR e - 1 [L45] e = e - 1 [L46] m = m << 1U VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=36028799166447616, \old(m)=1, \old(res = m | ((unsigned int )(e + 128) << 24U))=36028799166447617, e=-17, m=131072, m = m & ~ (1U << 24U)=36028799166447616, res = m | ((unsigned int )(e + 128) << 24U)=36028799166447617] [L47] COND TRUE m < 1U << 24U VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=36028799166447616, \old(m)=1, \old(res = m | ((unsigned int )(e + 128) << 24U))=36028799166447617, e=-17, m=131072, m = m & ~ (1U << 24U)=36028799166447616, res = m | ((unsigned int )(e + 128) << 24U)=36028799166447617] [L37] COND TRUE 1 VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=36028799166447616, \old(m)=1, \old(res = m | ((unsigned int )(e + 128) << 24U))=36028799166447617, e=-17, m=131072, m = m & ~ (1U << 24U)=36028799166447616, res = m | ((unsigned int )(e + 128) << 24U)=36028799166447617] [L39] COND FALSE !(e <= -128) VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=36028799166447616, \old(m)=1, \old(res = m | ((unsigned int )(e + 128) << 24U))=36028799166447617, e=-17, m=131072, m = m & ~ (1U << 24U)=36028799166447616, res = m | ((unsigned int )(e + 128) << 24U)=36028799166447617] [L45] EXPR e - 1 [L45] e = e - 1 [L46] m = m << 1U VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=36028799166447616, \old(m)=1, \old(res = m | ((unsigned int )(e + 128) << 24U))=36028799166447617, e=-18, m=262144, m = m & ~ (1U << 24U)=36028799166447616, res = m | ((unsigned int )(e + 128) << 24U)=36028799166447617] [L47] COND TRUE m < 1U << 24U VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=36028799166447616, \old(m)=1, \old(res = m | ((unsigned int )(e + 128) << 24U))=36028799166447617, e=-18, m=262144, m = m & ~ (1U << 24U)=36028799166447616, res = m | ((unsigned int )(e + 128) << 24U)=36028799166447617] [L37] COND TRUE 1 VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=36028799166447616, \old(m)=1, \old(res = m | ((unsigned int )(e + 128) << 24U))=36028799166447617, e=-18, m=262144, m = m & ~ (1U << 24U)=36028799166447616, res = m | ((unsigned int )(e + 128) << 24U)=36028799166447617] [L39] COND FALSE !(e <= -128) VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=36028799166447616, \old(m)=1, \old(res = m | ((unsigned int )(e + 128) << 24U))=36028799166447617, e=-18, m=262144, m = m & ~ (1U << 24U)=36028799166447616, res = m | ((unsigned int )(e + 128) << 24U)=36028799166447617] [L45] EXPR e - 1 [L45] e = e - 1 [L46] m = m << 1U VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=36028799166447616, \old(m)=1, \old(res = m | ((unsigned int )(e + 128) << 24U))=36028799166447617, e=-19, m=524288, m = m & ~ (1U << 24U)=36028799166447616, res = m | ((unsigned int )(e + 128) << 24U)=36028799166447617] [L47] COND TRUE m < 1U << 24U VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=36028799166447616, \old(m)=1, \old(res = m | ((unsigned int )(e + 128) << 24U))=36028799166447617, e=-19, m=524288, m = m & ~ (1U << 24U)=36028799166447616, res = m | ((unsigned int )(e + 128) << 24U)=36028799166447617] [L37] COND TRUE 1 VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=36028799166447616, \old(m)=1, \old(res = m | ((unsigned int )(e + 128) << 24U))=36028799166447617, e=-19, m=524288, m = m & ~ (1U << 24U)=36028799166447616, res = m | ((unsigned int )(e + 128) << 24U)=36028799166447617] [L39] COND FALSE !(e <= -128) VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=36028799166447616, \old(m)=1, \old(res = m | ((unsigned int )(e + 128) << 24U))=36028799166447617, e=-19, m=524288, m = m & ~ (1U << 24U)=36028799166447616, res = m | ((unsigned int )(e + 128) << 24U)=36028799166447617] [L45] EXPR e - 1 [L45] e = e - 1 [L46] m = m << 1U VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=36028799166447616, \old(m)=1, \old(res = m | ((unsigned int )(e + 128) << 24U))=36028799166447617, e=-20, m=1048576, m = m & ~ (1U << 24U)=36028799166447616, res = m | ((unsigned int )(e + 128) << 24U)=36028799166447617] [L47] COND TRUE m < 1U << 24U VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=36028799166447616, \old(m)=1, \old(res = m | ((unsigned int )(e + 128) << 24U))=36028799166447617, e=-20, m=1048576, m = m & ~ (1U << 24U)=36028799166447616, res = m | ((unsigned int )(e + 128) << 24U)=36028799166447617] [L37] COND TRUE 1 VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=36028799166447616, \old(m)=1, \old(res = m | ((unsigned int )(e + 128) << 24U))=36028799166447617, e=-20, m=1048576, m = m & ~ (1U << 24U)=36028799166447616, res = m | ((unsigned int )(e + 128) << 24U)=36028799166447617] [L39] COND FALSE !(e <= -128) VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=36028799166447616, \old(m)=1, \old(res = m | ((unsigned int )(e + 128) << 24U))=36028799166447617, e=-20, m=1048576, m = m & ~ (1U << 24U)=36028799166447616, res = m | ((unsigned int )(e + 128) << 24U)=36028799166447617] [L45] EXPR e - 1 [L45] e = e - 1 [L46] m = m << 1U VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=36028799166447616, \old(m)=1, \old(res = m | ((unsigned int )(e + 128) << 24U))=36028799166447617, e=-21, m=2097152, m = m & ~ (1U << 24U)=36028799166447616, res = m | ((unsigned int )(e + 128) << 24U)=36028799166447617] [L47] COND TRUE m < 1U << 24U VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=36028799166447616, \old(m)=1, \old(res = m | ((unsigned int )(e + 128) << 24U))=36028799166447617, e=-21, m=2097152, m = m & ~ (1U << 24U)=36028799166447616, res = m | ((unsigned int )(e + 128) << 24U)=36028799166447617] [L37] COND TRUE 1 VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=36028799166447616, \old(m)=1, \old(res = m | ((unsigned int )(e + 128) << 24U))=36028799166447617, e=-21, m=2097152, m = m & ~ (1U << 24U)=36028799166447616, res = m | ((unsigned int )(e + 128) << 24U)=36028799166447617] [L39] COND FALSE !(e <= -128) VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=36028799166447616, \old(m)=1, \old(res = m | ((unsigned int )(e + 128) << 24U))=36028799166447617, e=-21, m=2097152, m = m & ~ (1U << 24U)=36028799166447616, res = m | ((unsigned int )(e + 128) << 24U)=36028799166447617] [L45] EXPR e - 1 [L45] e = e - 1 [L46] m = m << 1U VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=36028799166447616, \old(m)=1, \old(res = m | ((unsigned int )(e + 128) << 24U))=36028799166447617, e=-22, m=4194304, m = m & ~ (1U << 24U)=36028799166447616, res = m | ((unsigned int )(e + 128) << 24U)=36028799166447617] [L47] COND TRUE m < 1U << 24U VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=36028799166447616, \old(m)=1, \old(res = m | ((unsigned int )(e + 128) << 24U))=36028799166447617, e=-22, m=4194304, m = m & ~ (1U << 24U)=36028799166447616, res = m | ((unsigned int )(e + 128) << 24U)=36028799166447617] [L37] COND TRUE 1 VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=36028799166447616, \old(m)=1, \old(res = m | ((unsigned int )(e + 128) << 24U))=36028799166447617, e=-22, m=4194304, m = m & ~ (1U << 24U)=36028799166447616, res = m | ((unsigned int )(e + 128) << 24U)=36028799166447617] [L39] COND FALSE !(e <= -128) VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=36028799166447616, \old(m)=1, \old(res = m | ((unsigned int )(e + 128) << 24U))=36028799166447617, e=-22, m=4194304, m = m & ~ (1U << 24U)=36028799166447616, res = m | ((unsigned int )(e + 128) << 24U)=36028799166447617] [L45] EXPR e - 1 [L45] e = e - 1 [L46] m = m << 1U VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=36028799166447616, \old(m)=1, \old(res = m | ((unsigned int )(e + 128) << 24U))=36028799166447617, e=-23, m=8388608, m = m & ~ (1U << 24U)=36028799166447616, res = m | ((unsigned int )(e + 128) << 24U)=36028799166447617] [L47] COND TRUE m < 1U << 24U VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=36028799166447616, \old(m)=1, \old(res = m | ((unsigned int )(e + 128) << 24U))=36028799166447617, e=-23, m=8388608, m = m & ~ (1U << 24U)=36028799166447616, res = m | ((unsigned int )(e + 128) << 24U)=36028799166447617] [L37] COND TRUE 1 VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=36028799166447616, \old(m)=1, \old(res = m | ((unsigned int )(e + 128) << 24U))=36028799166447617, e=-23, m=8388608, m = m & ~ (1U << 24U)=36028799166447616, res = m | ((unsigned int )(e + 128) << 24U)=36028799166447617] [L39] COND FALSE !(e <= -128) VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=36028799166447616, \old(m)=1, \old(res = m | ((unsigned int )(e + 128) << 24U))=36028799166447617, e=-23, m=8388608, m = m & ~ (1U << 24U)=36028799166447616, res = m | ((unsigned int )(e + 128) << 24U)=36028799166447617] [L45] EXPR e - 1 [L45] e = e - 1 [L46] m = m << 1U VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=36028799166447616, \old(m)=1, \old(res = m | ((unsigned int )(e + 128) << 24U))=36028799166447617, e=-24, m=16777216, m = m & ~ (1U << 24U)=36028799166447616, res = m | ((unsigned int )(e + 128) << 24U)=36028799166447617] [L47] COND FALSE !(m < 1U << 24U) VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=36028799166447616, \old(m)=1, \old(res = m | ((unsigned int )(e + 128) << 24U))=36028799166447617, e=-24, m=16777216, m = m & ~ (1U << 24U)=36028799166447616, res = m | ((unsigned int )(e + 128) << 24U)=36028799166447617] [L76] m = m & ~ (1U << 24U) VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=36028799166447616, \old(m)=1, \old(res = m | ((unsigned int )(e + 128) << 24U))=36028799166447617, e=-24, m=0, m = m & ~ (1U << 24U)=36028799166447616, res = m | ((unsigned int )(e + 128) << 24U)=36028799166447617] [L77] EXPR e + 128 VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=36028799166447616, \old(m)=1, \old(res = m | ((unsigned int )(e + 128) << 24U))=36028799166447617, e=-24, m=0, m = m & ~ (1U << 24U)=36028799166447616, res = m | ((unsigned int )(e + 128) << 24U)=36028799166447617] [L77] EXPR e + 128 VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=36028799166447616, \old(m)=1, \old(res = m | ((unsigned int )(e + 128) << 24U))=36028799166447617, e=-24, m=0, m = m & ~ (1U << 24U)=36028799166447616, res = m | ((unsigned int )(e + 128) << 24U)=36028799166447617] [L77] res = m | ((unsigned int )(e + 128) << 24U) VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=36028799166447616, \old(m)=1, \old(res = m | ((unsigned int )(e + 128) << 24U))=36028799166447617, e=-24, m=0, m = m & ~ (1U << 24U)=36028799166447616, res=1744830464, res = m | ((unsigned int )(e + 128) << 24U)=1744830464] [L78] __retres4 = res VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=36028799166447616, \old(m)=1, \old(res = m | ((unsigned int )(e + 128) << 24U))=36028799166447617, __retres4=1744830464, e=-24, m=0, m = m & ~ (1U << 24U)=36028799166447616, res=1744830464, res = m | ((unsigned int )(e + 128) << 24U)=1744830464] [L80] return (__retres4); VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=36028799166447616, \old(m)=1, \old(res = m | ((unsigned int )(e + 128) << 24U))=36028799166447617, \result=1744830464, __retres4=1744830464, e=-24, m=0, m = m & ~ (1U << 24U)=36028799166447616, res=1744830464, res = m | ((unsigned int )(e + 128) << 24U)=1744830464] [L239] RET, EXPR base2flt(1, 0) VAL [base2flt(1, 0)=1744830464, ea=-126, eb=-127, m = m & ~ (1U << 24U)=36028799166447616, res = m | ((unsigned int )(e + 128) << 24U)=1744830464, zero=0] [L239] one = base2flt(1, 0) [L240] CALL, EXPR base2flt(ma, ea) VAL [\old(e)=-126, \old(m = m & ~ (1U << 24U))=36028799166447616, \old(m)=16777216, \old(res = m | ((unsigned int )(e + 128) << 24U))=1744830464, m = m & ~ (1U << 24U)=36028799166447616, res = m | ((unsigned int )(e + 128) << 24U)=1744830464] [L25] unsigned int res ; [L26] unsigned int __retres4 ; VAL [\old(e)=-126, \old(m = m & ~ (1U << 24U))=36028799166447616, \old(m)=16777216, \old(res = m | ((unsigned int )(e + 128) << 24U))=1744830464, e=-126, m=16777216, m = m & ~ (1U << 24U)=36028799166447616, res = m | ((unsigned int )(e + 128) << 24U)=1744830464] [L29] COND FALSE !(! m) VAL [\old(e)=-126, \old(m = m & ~ (1U << 24U))=36028799166447616, \old(m)=16777216, \old(res = m | ((unsigned int )(e + 128) << 24U))=1744830464, e=-126, m=16777216, m = m & ~ (1U << 24U)=36028799166447616, res = m | ((unsigned int )(e + 128) << 24U)=1744830464] [L35] COND FALSE !(m < 1U << 24U) VAL [\old(e)=-126, \old(m = m & ~ (1U << 24U))=36028799166447616, \old(m)=16777216, \old(res = m | ((unsigned int )(e + 128) << 24U))=1744830464, e=-126, m=16777216, m = m & ~ (1U << 24U)=36028799166447616, res = m | ((unsigned int )(e + 128) << 24U)=1744830464] [L57] COND TRUE 1 VAL [\old(e)=-126, \old(m = m & ~ (1U << 24U))=36028799166447616, \old(m)=16777216, \old(res = m | ((unsigned int )(e + 128) << 24U))=1744830464, e=-126, m=16777216, m = m & ~ (1U << 24U)=36028799166447616, res = m | ((unsigned int )(e + 128) << 24U)=1744830464] [L59] COND FALSE !(m >= 1U << 25U) VAL [\old(e)=-126, \old(m = m & ~ (1U << 24U))=36028799166447616, \old(m)=16777216, \old(res = m | ((unsigned int )(e + 128) << 24U))=1744830464, e=-126, m=16777216, m = m & ~ (1U << 24U)=36028799166447616, res = m | ((unsigned int )(e + 128) << 24U)=1744830464] [L76] m = m & ~ (1U << 24U) VAL [\old(e)=-126, \old(m = m & ~ (1U << 24U))=36028799166447616, \old(m)=16777216, \old(res = m | ((unsigned int )(e + 128) << 24U))=1744830464, e=-126, m=0, m = m & ~ (1U << 24U)=36028799166447616, res = m | ((unsigned int )(e + 128) << 24U)=1744830464] [L77] EXPR e + 128 VAL [\old(e)=-126, \old(m = m & ~ (1U << 24U))=36028799166447616, \old(m)=16777216, \old(res = m | ((unsigned int )(e + 128) << 24U))=1744830464, e=-126, m=0, m = m & ~ (1U << 24U)=36028799166447616, res = m | ((unsigned int )(e + 128) << 24U)=1744830464] [L77] EXPR e + 128 VAL [\old(e)=-126, \old(m = m & ~ (1U << 24U))=36028799166447616, \old(m)=16777216, \old(res = m | ((unsigned int )(e + 128) << 24U))=1744830464, e=-126, m=0, m = m & ~ (1U << 24U)=36028799166447616, res = m | ((unsigned int )(e + 128) << 24U)=1744830464] [L77] res = m | ((unsigned int )(e + 128) << 24U) VAL [\old(e)=-126, \old(m = m & ~ (1U << 24U))=36028799166447616, \old(m)=16777216, \old(res = m | ((unsigned int )(e + 128) << 24U))=1744830464, e=-126, m=0, m = m & ~ (1U << 24U)=36028799166447616, res=33554433, res = m | ((unsigned int )(e + 128) << 24U)=33554432] [L78] __retres4 = res VAL [\old(e)=-126, \old(m = m & ~ (1U << 24U))=36028799166447616, \old(m)=16777216, \old(res = m | ((unsigned int )(e + 128) << 24U))=1744830464, __retres4=33554433, e=-126, m=0, m = m & ~ (1U << 24U)=36028799166447616, res=33554433, res = m | ((unsigned int )(e + 128) << 24U)=33554432] [L80] return (__retres4); VAL [\old(e)=-126, \old(m = m & ~ (1U << 24U))=36028799166447616, \old(m)=16777216, \old(res = m | ((unsigned int )(e + 128) << 24U))=1744830464, \result=33554433, __retres4=33554433, e=-126, m=0, m = m & ~ (1U << 24U)=36028799166447616, res=33554433, res = m | ((unsigned int )(e + 128) << 24U)=33554432] [L240] RET, EXPR base2flt(ma, ea) VAL [base2flt(ma, ea)=33554433, ea=-126, eb=-127, m = m & ~ (1U << 24U)=36028799166447616, ma=16777216, one=1744830464, res = m | ((unsigned int )(e + 128) << 24U)=33554432, zero=0] [L240] a = base2flt(ma, ea) [L241] CALL, EXPR base2flt(mb, eb) VAL [\old(e)=-127, \old(m = m & ~ (1U << 24U))=36028799166447616, \old(m)=16777216, \old(res = m | ((unsigned int )(e + 128) << 24U))=33554432, m = m & ~ (1U << 24U)=36028799166447616, res = m | ((unsigned int )(e + 128) << 24U)=33554432] [L25] unsigned int res ; [L26] unsigned int __retres4 ; VAL [\old(e)=-127, \old(m = m & ~ (1U << 24U))=36028799166447616, \old(m)=16777216, \old(res = m | ((unsigned int )(e + 128) << 24U))=33554432, e=-127, m=16777216, m = m & ~ (1U << 24U)=36028799166447616, res = m | ((unsigned int )(e + 128) << 24U)=33554432] [L29] COND FALSE !(! m) VAL [\old(e)=-127, \old(m = m & ~ (1U << 24U))=36028799166447616, \old(m)=16777216, \old(res = m | ((unsigned int )(e + 128) << 24U))=33554432, e=-127, m=16777216, m = m & ~ (1U << 24U)=36028799166447616, res = m | ((unsigned int )(e + 128) << 24U)=33554432] [L35] COND FALSE !(m < 1U << 24U) VAL [\old(e)=-127, \old(m = m & ~ (1U << 24U))=36028799166447616, \old(m)=16777216, \old(res = m | ((unsigned int )(e + 128) << 24U))=33554432, e=-127, m=16777216, m = m & ~ (1U << 24U)=36028799166447616, res = m | ((unsigned int )(e + 128) << 24U)=33554432] [L57] COND TRUE 1 VAL [\old(e)=-127, \old(m = m & ~ (1U << 24U))=36028799166447616, \old(m)=16777216, \old(res = m | ((unsigned int )(e + 128) << 24U))=33554432, e=-127, m=16777216, m = m & ~ (1U << 24U)=36028799166447616, res = m | ((unsigned int )(e + 128) << 24U)=33554432] [L59] COND FALSE !(m >= 1U << 25U) VAL [\old(e)=-127, \old(m = m & ~ (1U << 24U))=36028799166447616, \old(m)=16777216, \old(res = m | ((unsigned int )(e + 128) << 24U))=33554432, e=-127, m=16777216, m = m & ~ (1U << 24U)=36028799166447616, res = m | ((unsigned int )(e + 128) << 24U)=33554432] [L76] m = m & ~ (1U << 24U) VAL [\old(e)=-127, \old(m = m & ~ (1U << 24U))=36028799166447616, \old(m)=16777216, \old(res = m | ((unsigned int )(e + 128) << 24U))=33554432, e=-127, m=0, m = m & ~ (1U << 24U)=36028799166447616, res = m | ((unsigned int )(e + 128) << 24U)=33554432] [L77] EXPR e + 128 VAL [\old(e)=-127, \old(m = m & ~ (1U << 24U))=36028799166447616, \old(m)=16777216, \old(res = m | ((unsigned int )(e + 128) << 24U))=33554432, e=-127, m=0, m = m & ~ (1U << 24U)=36028799166447616, res = m | ((unsigned int )(e + 128) << 24U)=33554432] [L77] EXPR e + 128 VAL [\old(e)=-127, \old(m = m & ~ (1U << 24U))=36028799166447616, \old(m)=16777216, \old(res = m | ((unsigned int )(e + 128) << 24U))=33554432, e=-127, m=0, m = m & ~ (1U << 24U)=36028799166447616, res = m | ((unsigned int )(e + 128) << 24U)=33554432] [L77] res = m | ((unsigned int )(e + 128) << 24U) VAL [\old(e)=-127, \old(m = m & ~ (1U << 24U))=36028799166447616, \old(m)=16777216, \old(res = m | ((unsigned int )(e + 128) << 24U))=33554432, e=-127, m=0, m = m & ~ (1U << 24U)=36028799166447616, res=2147483647, res = m | ((unsigned int )(e + 128) << 24U)=16777216] [L78] __retres4 = res VAL [\old(e)=-127, \old(m = m & ~ (1U << 24U))=36028799166447616, \old(m)=16777216, \old(res = m | ((unsigned int )(e + 128) << 24U))=33554432, __retres4=2147483647, e=-127, m=0, m = m & ~ (1U << 24U)=36028799166447616, res=2147483647, res = m | ((unsigned int )(e + 128) << 24U)=16777216] [L80] return (__retres4); VAL [\old(e)=-127, \old(m = m & ~ (1U << 24U))=36028799166447616, \old(m)=16777216, \old(res = m | ((unsigned int )(e + 128) << 24U))=33554432, \result=36028799166447615, __retres4=2147483647, e=-127, m=0, m = m & ~ (1U << 24U)=36028799166447616, res=2147483647, res = m | ((unsigned int )(e + 128) << 24U)=16777216] [L241] RET, EXPR base2flt(mb, eb) VAL [a=33554433, base2flt(mb, eb)=36028799166447615, ea=-126, eb=-127, m = m & ~ (1U << 24U)=36028799166447616, ma=16777216, mb=16777216, one=1744830464, res = m | ((unsigned int )(e + 128) << 24U)=16777216, zero=0] [L241] b = base2flt(mb, eb) [L243] COND FALSE !(b < zero) VAL [a=33554433, b=2147483647, ea=-126, eb=-127, m = m & ~ (1U << 24U)=36028799166447616, ma=16777216, mb=16777216, one=1744830464, res = m | ((unsigned int )(e + 128) << 24U)=16777216, zero=0] [L246] COND TRUE b > zero [L247] tmp = 1 VAL [a=33554433, b=2147483647, ea=-126, eb=-127, m = m & ~ (1U << 24U)=36028799166447616, ma=16777216, mb=16777216, one=1744830464, res = m | ((unsigned int )(e + 128) << 24U)=16777216, tmp=1, zero=0] [L251] sb = tmp VAL [a=33554433, b=2147483647, ea=-126, eb=-127, m = m & ~ (1U << 24U)=36028799166447616, ma=16777216, mb=16777216, one=1744830464, res = m | ((unsigned int )(e + 128) << 24U)=16777216, sb=1, tmp=1, zero=0] [L254] CALL mulflt(a, b) [L148] unsigned int res ; [L149] unsigned int ma ; [L150] unsigned int mb ; [L151] unsigned long long accu ; [L152] int ea ; [L153] int eb ; [L154] unsigned int tmp ; [L155] unsigned int __retres10 ; VAL [\old(a)=33554433, \old(b)=2147483647, a=33554433, b=2147483647, m = m & ~ (1U << 24U)=36028799166447616, res = m | ((unsigned int )(e + 128) << 24U)=16777216] [L158] COND TRUE a < b [L159] tmp = a [L160] a = b [L161] b = tmp VAL [\old(a)=33554433, \old(b)=2147483647, a=2147483647, b=33554433, m = m & ~ (1U << 24U)=36028799166447616, res = m | ((unsigned int )(e + 128) << 24U)=16777216, tmp=33554433] [L165] COND FALSE !(! b) VAL [\old(a)=33554433, \old(b)=2147483647, a=2147483647, b=33554433, m = m & ~ (1U << 24U)=36028799166447616, res = m | ((unsigned int )(e + 128) << 24U)=16777216, tmp=33554433] [L171] ma = a & ((1U << 24U) - 1U) VAL [\old(a)=33554433, \old(b)=2147483647, a=2147483647, b=33554433, m = m & ~ (1U << 24U)=36028799166447616, ma=16777214, ma = a & ((1U << 24U) - 1U)=16777215, res = m | ((unsigned int )(e + 128) << 24U)=16777216, tmp=33554433] [L172] (int )(a >> 24U) - 128 VAL [\old(a)=33554433, \old(b)=2147483647, a=2147483647, b=33554433, m = m & ~ (1U << 24U)=36028799166447616, ma=16777214, ma = a & ((1U << 24U) - 1U)=16777215, res = m | ((unsigned int )(e + 128) << 24U)=16777216, tmp=33554433] - 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: 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. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 120 locations, 18 error locations. Started 1 CEGAR loops. OverallTime: 118.3s, OverallIterations: 37, TraceHistogramMax: 24, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.1s, AutomataDifference: 98.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 15006 SdHoareTripleChecker+Valid, 9.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 14987 mSDsluCounter, 30979 SdHoareTripleChecker+Invalid, 8.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 26814 mSDsCounter, 2946 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13203 IncrementalHoareTripleChecker+Invalid, 16149 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2946 mSolverCounterUnsat, 4165 mSDtfsCounter, 13203 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4648 GetRequests, 3782 SyntacticMatches, 4 SemanticMatches, 862 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11355 ImplicationChecksByTransitivity, 88.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=632occurred in iteration=33, InterpolantAutomatonStates: 660, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.6s AutomataMinimizationTime, 36 MinimizatonAttempts, 9871 StatesRemovedByMinimization, 35 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 10.4s InterpolantComputationTime, 5650 NumberOfCodeBlocks, 5440 NumberOfCodeBlocksAsserted, 60 NumberOfCheckSat, 6862 ConstructedInterpolants, 0 QuantifiedInterpolants, 19522 SizeOfPredicates, 70 NumberOfNonLiveVariables, 4917 ConjunctsInSsa, 283 ConjunctsInUnsatCore, 71 InterpolantComputations, 25 PerfectInterpolantSequences, 24772/29427 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 [2022-07-22 00:48:50,531 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with 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