./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/recursive/Addition01-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 26d01a9c 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/recursive/Addition01-2.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 4af9e26294eb81d37b6ccb692d0b40e4bed5b0d6d3dd72d6af1a80634692c297 --- Real Ultimate output --- This is Ultimate 0.2.2-?-26d01a9 [2023-02-18 07:27:10,471 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-18 07:27:10,473 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-18 07:27:10,505 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-18 07:27:10,506 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-18 07:27:10,508 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-18 07:27:10,509 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-18 07:27:10,511 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-18 07:27:10,514 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-18 07:27:10,517 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-18 07:27:10,518 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-18 07:27:10,520 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-18 07:27:10,520 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-18 07:27:10,521 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-18 07:27:10,522 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-18 07:27:10,523 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-18 07:27:10,524 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-18 07:27:10,525 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-18 07:27:10,526 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-18 07:27:10,530 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-18 07:27:10,530 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-18 07:27:10,531 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-18 07:27:10,532 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-18 07:27:10,532 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-18 07:27:10,538 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-18 07:27:10,538 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-18 07:27:10,538 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-18 07:27:10,539 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-18 07:27:10,540 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-18 07:27:10,540 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-18 07:27:10,540 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-18 07:27:10,541 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-18 07:27:10,542 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-18 07:27:10,543 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-18 07:27:10,544 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-18 07:27:10,544 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-18 07:27:10,544 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-18 07:27:10,544 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-18 07:27:10,545 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-18 07:27:10,545 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-18 07:27:10,546 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-18 07:27:10,547 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-02-18 07:27:10,570 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-18 07:27:10,570 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-18 07:27:10,571 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-18 07:27:10,571 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-18 07:27:10,571 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-18 07:27:10,571 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-18 07:27:10,572 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-18 07:27:10,572 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-18 07:27:10,572 INFO L138 SettingsManager]: * Use SBE=true [2023-02-18 07:27:10,572 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-18 07:27:10,573 INFO L138 SettingsManager]: * sizeof long=4 [2023-02-18 07:27:10,573 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-02-18 07:27:10,573 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-18 07:27:10,573 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-02-18 07:27:10,574 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-18 07:27:10,574 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-02-18 07:27:10,574 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-18 07:27:10,574 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-02-18 07:27:10,574 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-02-18 07:27:10,574 INFO L138 SettingsManager]: * sizeof long double=12 [2023-02-18 07:27:10,574 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-18 07:27:10,574 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-18 07:27:10,575 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-02-18 07:27:10,575 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-18 07:27:10,575 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-18 07:27:10,575 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-18 07:27:10,575 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-18 07:27:10,575 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-18 07:27:10,576 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-18 07:27:10,576 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-02-18 07:27:10,576 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-18 07:27:10,576 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-02-18 07:27:10,576 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-18 07:27:10,576 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-02-18 07:27:10,576 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-18 07:27:10,577 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-18 07:27:10,577 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-18 07:27:10,577 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4af9e26294eb81d37b6ccb692d0b40e4bed5b0d6d3dd72d6af1a80634692c297 [2023-02-18 07:27:10,766 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-18 07:27:10,784 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-18 07:27:10,785 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-18 07:27:10,786 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-18 07:27:10,787 INFO L275 PluginConnector]: CDTParser initialized [2023-02-18 07:27:10,787 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive/Addition01-2.c [2023-02-18 07:27:11,765 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-18 07:27:11,897 INFO L351 CDTParser]: Found 1 translation units. [2023-02-18 07:27:11,898 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive/Addition01-2.c [2023-02-18 07:27:11,902 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d8745931/a701ed78e04b4ff6bae3f8f6cd7efaaa/FLAGe28011cc0 [2023-02-18 07:27:11,913 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d8745931/a701ed78e04b4ff6bae3f8f6cd7efaaa [2023-02-18 07:27:11,915 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-18 07:27:11,916 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-18 07:27:11,919 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-18 07:27:11,919 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-18 07:27:11,921 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-18 07:27:11,922 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.02 07:27:11" (1/1) ... [2023-02-18 07:27:11,923 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4dca57a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 07:27:11, skipping insertion in model container [2023-02-18 07:27:11,923 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.02 07:27:11" (1/1) ... [2023-02-18 07:27:11,927 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-18 07:27:11,938 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-18 07:27:12,045 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive/Addition01-2.c[1126,1139] [2023-02-18 07:27:12,046 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-18 07:27:12,054 INFO L203 MainTranslator]: Completed pre-run [2023-02-18 07:27:12,068 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive/Addition01-2.c[1126,1139] [2023-02-18 07:27:12,074 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-18 07:27:12,083 INFO L208 MainTranslator]: Completed translation [2023-02-18 07:27:12,083 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 07:27:12 WrapperNode [2023-02-18 07:27:12,083 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-18 07:27:12,084 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-18 07:27:12,084 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-18 07:27:12,084 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-18 07:27:12,088 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 07:27:12" (1/1) ... [2023-02-18 07:27:12,093 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 07:27:12" (1/1) ... [2023-02-18 07:27:12,102 INFO L138 Inliner]: procedures = 13, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 34 [2023-02-18 07:27:12,103 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-18 07:27:12,103 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-18 07:27:12,103 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-18 07:27:12,103 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-18 07:27:12,108 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 07:27:12" (1/1) ... [2023-02-18 07:27:12,109 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 07:27:12" (1/1) ... [2023-02-18 07:27:12,109 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 07:27:12" (1/1) ... [2023-02-18 07:27:12,110 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 07:27:12" (1/1) ... [2023-02-18 07:27:12,111 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 07:27:12" (1/1) ... [2023-02-18 07:27:12,112 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 07:27:12" (1/1) ... [2023-02-18 07:27:12,113 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 07:27:12" (1/1) ... [2023-02-18 07:27:12,113 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 07:27:12" (1/1) ... [2023-02-18 07:27:12,115 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-18 07:27:12,115 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-18 07:27:12,116 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-18 07:27:12,116 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-18 07:27:12,116 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 07:27:12" (1/1) ... [2023-02-18 07:27:12,126 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-18 07:27:12,134 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 07:27:12,144 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-02-18 07:27:12,145 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-02-18 07:27:12,178 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-02-18 07:27:12,178 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-18 07:27:12,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-18 07:27:12,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-02-18 07:27:12,179 INFO L130 BoogieDeclarations]: Found specification of procedure addition [2023-02-18 07:27:12,179 INFO L138 BoogieDeclarations]: Found implementation of procedure addition [2023-02-18 07:27:12,220 INFO L235 CfgBuilder]: Building ICFG [2023-02-18 07:27:12,222 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-18 07:27:12,378 INFO L276 CfgBuilder]: Performing block encoding [2023-02-18 07:27:12,382 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-18 07:27:12,382 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2023-02-18 07:27:12,398 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 07:27:12 BoogieIcfgContainer [2023-02-18 07:27:12,398 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-18 07:27:12,399 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-02-18 07:27:12,399 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-02-18 07:27:12,401 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-02-18 07:27:12,402 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.02 07:27:11" (1/3) ... [2023-02-18 07:27:12,402 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@661ecf45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.02 07:27:12, skipping insertion in model container [2023-02-18 07:27:12,402 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 07:27:12" (2/3) ... [2023-02-18 07:27:12,402 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@661ecf45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.02 07:27:12, skipping insertion in model container [2023-02-18 07:27:12,403 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 07:27:12" (3/3) ... [2023-02-18 07:27:12,403 INFO L112 eAbstractionObserver]: Analyzing ICFG Addition01-2.c [2023-02-18 07:27:12,416 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-02-18 07:27:12,416 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2023-02-18 07:27:12,469 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-02-18 07:27:12,478 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@665a70c6, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-02-18 07:27:12,479 INFO L358 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2023-02-18 07:27:12,485 INFO L276 IsEmpty]: Start isEmpty. Operand has 41 states, 26 states have (on average 1.6153846153846154) internal successors, (42), 36 states have internal predecessors, (42), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-02-18 07:27:12,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-02-18 07:27:12,517 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 07:27:12,517 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 07:27:12,518 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting additionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-18 07:27:12,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 07:27:12,522 INFO L85 PathProgramCache]: Analyzing trace with hash 1314326780, now seen corresponding path program 1 times [2023-02-18 07:27:12,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 07:27:12,531 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615612562] [2023-02-18 07:27:12,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 07:27:12,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 07:27:12,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:27:12,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 07:27:12,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 07:27:12,697 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [615612562] [2023-02-18 07:27:12,698 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [615612562] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-18 07:27:12,698 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-18 07:27:12,698 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-02-18 07:27:12,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084412725] [2023-02-18 07:27:12,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-18 07:27:12,702 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-02-18 07:27:12,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 07:27:12,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-02-18 07:27:12,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-02-18 07:27:12,745 INFO L87 Difference]: Start difference. First operand has 41 states, 26 states have (on average 1.6153846153846154) internal successors, (42), 36 states have internal predecessors, (42), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 5 states, 4 states have (on average 2.0) internal successors, (8), 4 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) [2023-02-18 07:27:12,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 07:27:12,860 INFO L93 Difference]: Finished difference Result 73 states and 82 transitions. [2023-02-18 07:27:12,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-02-18 07:27:12,863 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 4 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 [2023-02-18 07:27:12,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 07:27:12,869 INFO L225 Difference]: With dead ends: 73 [2023-02-18 07:27:12,869 INFO L226 Difference]: Without dead ends: 60 [2023-02-18 07:27:12,871 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-02-18 07:27:12,875 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 55 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-18 07:27:12,876 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 126 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-18 07:27:12,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2023-02-18 07:27:12,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 54. [2023-02-18 07:27:12,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 37 states have (on average 1.5675675675675675) internal successors, (58), 46 states have internal predecessors, (58), 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) [2023-02-18 07:27:12,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 68 transitions. [2023-02-18 07:27:12,906 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 68 transitions. Word has length 9 [2023-02-18 07:27:12,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 07:27:12,907 INFO L495 AbstractCegarLoop]: Abstraction has 54 states and 68 transitions. [2023-02-18 07:27:12,907 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 4 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) [2023-02-18 07:27:12,907 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 68 transitions. [2023-02-18 07:27:12,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-02-18 07:27:12,908 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 07:27:12,908 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 07:27:12,908 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-02-18 07:27:12,909 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting additionErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-18 07:27:12,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 07:27:12,911 INFO L85 PathProgramCache]: Analyzing trace with hash 2089424586, now seen corresponding path program 1 times [2023-02-18 07:27:12,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 07:27:12,911 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830190611] [2023-02-18 07:27:12,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 07:27:12,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 07:27:12,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:27:12,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 07:27:12,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 07:27:12,955 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830190611] [2023-02-18 07:27:12,956 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [830190611] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-18 07:27:12,956 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-18 07:27:12,956 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-02-18 07:27:12,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780899527] [2023-02-18 07:27:12,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-18 07:27:12,957 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-02-18 07:27:12,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 07:27:12,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-02-18 07:27:12,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-02-18 07:27:12,958 INFO L87 Difference]: Start difference. First operand 54 states and 68 transitions. Second operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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) [2023-02-18 07:27:13,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 07:27:13,008 INFO L93 Difference]: Finished difference Result 98 states and 126 transitions. [2023-02-18 07:27:13,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-02-18 07:27:13,009 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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 10 [2023-02-18 07:27:13,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 07:27:13,010 INFO L225 Difference]: With dead ends: 98 [2023-02-18 07:27:13,010 INFO L226 Difference]: Without dead ends: 96 [2023-02-18 07:27:13,011 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-02-18 07:27:13,012 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 48 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-18 07:27:13,013 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 106 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-18 07:27:13,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2023-02-18 07:27:13,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 90. [2023-02-18 07:27:13,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 67 states have (on average 1.5522388059701493) internal successors, (104), 76 states have internal predecessors, (104), 9 states have call successors, (9), 4 states have call predecessors, (9), 4 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2023-02-18 07:27:13,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 122 transitions. [2023-02-18 07:27:13,027 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 122 transitions. Word has length 10 [2023-02-18 07:27:13,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 07:27:13,028 INFO L495 AbstractCegarLoop]: Abstraction has 90 states and 122 transitions. [2023-02-18 07:27:13,028 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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) [2023-02-18 07:27:13,028 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 122 transitions. [2023-02-18 07:27:13,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-02-18 07:27:13,028 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 07:27:13,028 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 07:27:13,029 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-02-18 07:27:13,029 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-18 07:27:13,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 07:27:13,030 INFO L85 PathProgramCache]: Analyzing trace with hash 347527997, now seen corresponding path program 1 times [2023-02-18 07:27:13,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 07:27:13,030 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701860923] [2023-02-18 07:27:13,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 07:27:13,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 07:27:13,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:27:13,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-18 07:27:13,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:27:13,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 07:27:13,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 07:27:13,080 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [701860923] [2023-02-18 07:27:13,080 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [701860923] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-18 07:27:13,080 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-18 07:27:13,080 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-18 07:27:13,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107934805] [2023-02-18 07:27:13,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-18 07:27:13,081 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-18 07:27:13,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 07:27:13,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-18 07:27:13,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-18 07:27:13,084 INFO L87 Difference]: Start difference. First operand 90 states and 122 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-02-18 07:27:13,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 07:27:13,097 INFO L93 Difference]: Finished difference Result 90 states and 122 transitions. [2023-02-18 07:27:13,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-18 07:27:13,097 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2023-02-18 07:27:13,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 07:27:13,098 INFO L225 Difference]: With dead ends: 90 [2023-02-18 07:27:13,098 INFO L226 Difference]: Without dead ends: 89 [2023-02-18 07:27:13,099 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-02-18 07:27:13,099 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 6 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-18 07:27:13,100 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 99 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-18 07:27:13,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2023-02-18 07:27:13,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2023-02-18 07:27:13,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 67 states have (on average 1.537313432835821) internal successors, (103), 75 states have internal predecessors, (103), 9 states have call successors, (9), 4 states have call predecessors, (9), 4 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2023-02-18 07:27:13,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 121 transitions. [2023-02-18 07:27:13,108 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 121 transitions. Word has length 11 [2023-02-18 07:27:13,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 07:27:13,108 INFO L495 AbstractCegarLoop]: Abstraction has 89 states and 121 transitions. [2023-02-18 07:27:13,108 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-02-18 07:27:13,109 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 121 transitions. [2023-02-18 07:27:13,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-02-18 07:27:13,109 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 07:27:13,109 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 07:27:13,109 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-02-18 07:27:13,109 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting additionErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-18 07:27:13,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 07:27:13,110 INFO L85 PathProgramCache]: Analyzing trace with hash 347652798, now seen corresponding path program 1 times [2023-02-18 07:27:13,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 07:27:13,110 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518645865] [2023-02-18 07:27:13,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 07:27:13,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 07:27:13,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:27:13,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 07:27:13,137 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 07:27:13,137 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [518645865] [2023-02-18 07:27:13,137 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [518645865] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-18 07:27:13,138 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-18 07:27:13,138 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-02-18 07:27:13,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888053360] [2023-02-18 07:27:13,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-18 07:27:13,139 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-18 07:27:13,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 07:27:13,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-18 07:27:13,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-18 07:27:13,141 INFO L87 Difference]: Start difference. First operand 89 states and 121 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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) [2023-02-18 07:27:13,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 07:27:13,173 INFO L93 Difference]: Finished difference Result 97 states and 134 transitions. [2023-02-18 07:27:13,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-18 07:27:13,173 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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 11 [2023-02-18 07:27:13,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 07:27:13,175 INFO L225 Difference]: With dead ends: 97 [2023-02-18 07:27:13,175 INFO L226 Difference]: Without dead ends: 96 [2023-02-18 07:27:13,176 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 [2023-02-18 07:27:13,177 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 7 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-18 07:27:13,177 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 54 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-18 07:27:13,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2023-02-18 07:27:13,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 88. [2023-02-18 07:27:13,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 67 states have (on average 1.4776119402985075) internal successors, (99), 74 states have internal predecessors, (99), 9 states have call successors, (9), 4 states have call predecessors, (9), 4 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2023-02-18 07:27:13,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 117 transitions. [2023-02-18 07:27:13,188 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 117 transitions. Word has length 11 [2023-02-18 07:27:13,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 07:27:13,189 INFO L495 AbstractCegarLoop]: Abstraction has 88 states and 117 transitions. [2023-02-18 07:27:13,189 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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) [2023-02-18 07:27:13,189 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 117 transitions. [2023-02-18 07:27:13,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-02-18 07:27:13,189 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 07:27:13,189 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 07:27:13,190 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-02-18 07:27:13,190 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-18 07:27:13,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 07:27:13,190 INFO L85 PathProgramCache]: Analyzing trace with hash -2111533933, now seen corresponding path program 1 times [2023-02-18 07:27:13,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 07:27:13,191 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186148733] [2023-02-18 07:27:13,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 07:27:13,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 07:27:13,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:27:13,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-18 07:27:13,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:27:13,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 07:27:13,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 07:27:13,222 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186148733] [2023-02-18 07:27:13,223 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [186148733] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-18 07:27:13,223 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-18 07:27:13,223 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-18 07:27:13,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421525518] [2023-02-18 07:27:13,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-18 07:27:13,223 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-18 07:27:13,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 07:27:13,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-18 07:27:13,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-18 07:27:13,224 INFO L87 Difference]: Start difference. First operand 88 states and 117 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-02-18 07:27:13,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 07:27:13,242 INFO L93 Difference]: Finished difference Result 88 states and 117 transitions. [2023-02-18 07:27:13,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-18 07:27:13,246 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2023-02-18 07:27:13,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 07:27:13,247 INFO L225 Difference]: With dead ends: 88 [2023-02-18 07:27:13,247 INFO L226 Difference]: Without dead ends: 68 [2023-02-18 07:27:13,247 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-02-18 07:27:13,248 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 3 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 96 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 [2023-02-18 07:27:13,248 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 96 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-18 07:27:13,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2023-02-18 07:27:13,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 54. [2023-02-18 07:27:13,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 42 states have (on average 1.4047619047619047) internal successors, (59), 49 states have internal predecessors, (59), 5 states have call successors, (5), 4 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 07:27:13,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 64 transitions. [2023-02-18 07:27:13,254 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 64 transitions. Word has length 12 [2023-02-18 07:27:13,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 07:27:13,255 INFO L495 AbstractCegarLoop]: Abstraction has 54 states and 64 transitions. [2023-02-18 07:27:13,255 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-02-18 07:27:13,255 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 64 transitions. [2023-02-18 07:27:13,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-02-18 07:27:13,255 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 07:27:13,255 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 07:27:13,255 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-02-18 07:27:13,256 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting additionErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-18 07:27:13,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 07:27:13,256 INFO L85 PathProgramCache]: Analyzing trace with hash -2107665076, now seen corresponding path program 1 times [2023-02-18 07:27:13,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 07:27:13,257 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640599418] [2023-02-18 07:27:13,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 07:27:13,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 07:27:13,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:27:13,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 07:27:13,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 07:27:13,330 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640599418] [2023-02-18 07:27:13,331 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [640599418] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-18 07:27:13,331 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-18 07:27:13,331 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-02-18 07:27:13,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604268031] [2023-02-18 07:27:13,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-18 07:27:13,331 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-02-18 07:27:13,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 07:27:13,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-02-18 07:27:13,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-02-18 07:27:13,332 INFO L87 Difference]: Start difference. First operand 54 states and 64 transitions. Second operand has 5 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 07:27:13,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 07:27:13,373 INFO L93 Difference]: Finished difference Result 67 states and 77 transitions. [2023-02-18 07:27:13,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-02-18 07:27:13,376 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2023-02-18 07:27:13,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 07:27:13,388 INFO L225 Difference]: With dead ends: 67 [2023-02-18 07:27:13,388 INFO L226 Difference]: Without dead ends: 66 [2023-02-18 07:27:13,389 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-02-18 07:27:13,390 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 37 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-18 07:27:13,390 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 49 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-18 07:27:13,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2023-02-18 07:27:13,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 54. [2023-02-18 07:27:13,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 42 states have (on average 1.380952380952381) internal successors, (58), 49 states have internal predecessors, (58), 5 states have call successors, (5), 4 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 07:27:13,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 63 transitions. [2023-02-18 07:27:13,394 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 63 transitions. Word has length 12 [2023-02-18 07:27:13,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 07:27:13,394 INFO L495 AbstractCegarLoop]: Abstraction has 54 states and 63 transitions. [2023-02-18 07:27:13,394 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 07:27:13,395 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 63 transitions. [2023-02-18 07:27:13,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-02-18 07:27:13,395 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 07:27:13,395 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 07:27:13,395 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-02-18 07:27:13,395 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting additionErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-18 07:27:13,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 07:27:13,396 INFO L85 PathProgramCache]: Analyzing trace with hash -2097136937, now seen corresponding path program 1 times [2023-02-18 07:27:13,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 07:27:13,396 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978132521] [2023-02-18 07:27:13,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 07:27:13,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 07:27:13,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:27:13,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 07:27:13,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 07:27:13,433 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1978132521] [2023-02-18 07:27:13,433 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1978132521] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-18 07:27:13,433 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-18 07:27:13,433 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-02-18 07:27:13,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123821459] [2023-02-18 07:27:13,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-18 07:27:13,434 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-02-18 07:27:13,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 07:27:13,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-02-18 07:27:13,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-02-18 07:27:13,435 INFO L87 Difference]: Start difference. First operand 54 states and 63 transitions. Second operand has 5 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 07:27:13,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 07:27:13,468 INFO L93 Difference]: Finished difference Result 65 states and 70 transitions. [2023-02-18 07:27:13,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-02-18 07:27:13,468 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2023-02-18 07:27:13,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 07:27:13,469 INFO L225 Difference]: With dead ends: 65 [2023-02-18 07:27:13,469 INFO L226 Difference]: Without dead ends: 64 [2023-02-18 07:27:13,469 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-02-18 07:27:13,470 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 35 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-18 07:27:13,470 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 51 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-18 07:27:13,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2023-02-18 07:27:13,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 54. [2023-02-18 07:27:13,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 42 states have (on average 1.3571428571428572) internal successors, (57), 49 states have internal predecessors, (57), 5 states have call successors, (5), 4 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 07:27:13,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 62 transitions. [2023-02-18 07:27:13,474 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 62 transitions. Word has length 12 [2023-02-18 07:27:13,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 07:27:13,475 INFO L495 AbstractCegarLoop]: Abstraction has 54 states and 62 transitions. [2023-02-18 07:27:13,475 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 07:27:13,475 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 62 transitions. [2023-02-18 07:27:13,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-02-18 07:27:13,475 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 07:27:13,476 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 07:27:13,476 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-02-18 07:27:13,476 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting additionErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-18 07:27:13,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 07:27:13,476 INFO L85 PathProgramCache]: Analyzing trace with hash -586735519, now seen corresponding path program 1 times [2023-02-18 07:27:13,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 07:27:13,477 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404534439] [2023-02-18 07:27:13,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 07:27:13,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 07:27:13,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:27:13,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 07:27:13,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 07:27:13,493 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404534439] [2023-02-18 07:27:13,493 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1404534439] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-18 07:27:13,493 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-18 07:27:13,493 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-02-18 07:27:13,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465104917] [2023-02-18 07:27:13,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-18 07:27:13,494 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-18 07:27:13,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 07:27:13,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-18 07:27:13,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-18 07:27:13,494 INFO L87 Difference]: Start difference. First operand 54 states and 62 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) [2023-02-18 07:27:13,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 07:27:13,504 INFO L93 Difference]: Finished difference Result 54 states and 62 transitions. [2023-02-18 07:27:13,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-18 07:27:13,505 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 13 [2023-02-18 07:27:13,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 07:27:13,505 INFO L225 Difference]: With dead ends: 54 [2023-02-18 07:27:13,505 INFO L226 Difference]: Without dead ends: 53 [2023-02-18 07:27:13,505 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 [2023-02-18 07:27:13,506 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 4 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-18 07:27:13,506 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 31 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-18 07:27:13,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2023-02-18 07:27:13,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2023-02-18 07:27:13,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 42 states have (on average 1.3095238095238095) internal successors, (55), 48 states have internal predecessors, (55), 5 states have call successors, (5), 4 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 07:27:13,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 60 transitions. [2023-02-18 07:27:13,510 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 60 transitions. Word has length 13 [2023-02-18 07:27:13,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 07:27:13,510 INFO L495 AbstractCegarLoop]: Abstraction has 53 states and 60 transitions. [2023-02-18 07:27:13,511 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) [2023-02-18 07:27:13,511 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 60 transitions. [2023-02-18 07:27:13,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-02-18 07:27:13,511 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 07:27:13,511 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 07:27:13,511 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-02-18 07:27:13,512 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting additionErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-18 07:27:13,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 07:27:13,512 INFO L85 PathProgramCache]: Analyzing trace with hash 1500437933, now seen corresponding path program 1 times [2023-02-18 07:27:13,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 07:27:13,512 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2026745908] [2023-02-18 07:27:13,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 07:27:13,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 07:27:13,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:27:13,588 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 07:27:13,588 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 07:27:13,588 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2026745908] [2023-02-18 07:27:13,588 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2026745908] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-18 07:27:13,588 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [763117170] [2023-02-18 07:27:13,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 07:27:13,588 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 07:27:13,588 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 07:27:13,595 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-18 07:27:13,596 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-02-18 07:27:13,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:27:13,647 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 6 conjunts are in the unsatisfiable core [2023-02-18 07:27:13,650 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 07:27:13,690 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 07:27:13,690 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-18 07:27:13,732 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 07:27:13,734 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [763117170] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-18 07:27:13,735 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-18 07:27:13,735 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2023-02-18 07:27:13,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536162218] [2023-02-18 07:27:13,735 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-18 07:27:13,736 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-02-18 07:27:13,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 07:27:13,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-02-18 07:27:13,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2023-02-18 07:27:13,737 INFO L87 Difference]: Start difference. First operand 53 states and 60 transitions. Second operand has 12 states, 11 states have (on average 2.727272727272727) internal successors, (30), 8 states have internal predecessors, (30), 4 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 07:27:13,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 07:27:13,841 INFO L93 Difference]: Finished difference Result 160 states and 183 transitions. [2023-02-18 07:27:13,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-02-18 07:27:13,841 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.727272727272727) internal successors, (30), 8 states have internal predecessors, (30), 4 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2023-02-18 07:27:13,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 07:27:13,842 INFO L225 Difference]: With dead ends: 160 [2023-02-18 07:27:13,842 INFO L226 Difference]: Without dead ends: 158 [2023-02-18 07:27:13,843 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 28 SyntacticMatches, 2 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342 [2023-02-18 07:27:13,845 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 170 mSDsluCounter, 133 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-18 07:27:13,845 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 153 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-18 07:27:13,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2023-02-18 07:27:13,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 120. [2023-02-18 07:27:13,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 101 states have (on average 1.297029702970297) internal successors, (131), 108 states have internal predecessors, (131), 13 states have call successors, (13), 11 states have call predecessors, (13), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 07:27:13,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 144 transitions. [2023-02-18 07:27:13,869 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 144 transitions. Word has length 18 [2023-02-18 07:27:13,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 07:27:13,871 INFO L495 AbstractCegarLoop]: Abstraction has 120 states and 144 transitions. [2023-02-18 07:27:13,872 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.727272727272727) internal successors, (30), 8 states have internal predecessors, (30), 4 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 07:27:13,872 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 144 transitions. [2023-02-18 07:27:13,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-02-18 07:27:13,872 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 07:27:13,872 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 07:27:13,880 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-02-18 07:27:14,078 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 07:27:14,078 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting additionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-18 07:27:14,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 07:27:14,079 INFO L85 PathProgramCache]: Analyzing trace with hash 1969595078, now seen corresponding path program 1 times [2023-02-18 07:27:14,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 07:27:14,079 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308854530] [2023-02-18 07:27:14,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 07:27:14,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 07:27:14,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:27:14,114 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 07:27:14,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 07:27:14,115 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308854530] [2023-02-18 07:27:14,115 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [308854530] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-18 07:27:14,115 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-18 07:27:14,115 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-02-18 07:27:14,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542475563] [2023-02-18 07:27:14,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-18 07:27:14,115 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-02-18 07:27:14,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 07:27:14,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-02-18 07:27:14,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-02-18 07:27:14,116 INFO L87 Difference]: Start difference. First operand 120 states and 144 transitions. Second operand has 5 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 07:27:14,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 07:27:14,143 INFO L93 Difference]: Finished difference Result 181 states and 221 transitions. [2023-02-18 07:27:14,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-02-18 07:27:14,143 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), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2023-02-18 07:27:14,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 07:27:14,144 INFO L225 Difference]: With dead ends: 181 [2023-02-18 07:27:14,144 INFO L226 Difference]: Without dead ends: 109 [2023-02-18 07:27:14,145 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-02-18 07:27:14,146 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 20 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-18 07:27:14,146 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 60 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-18 07:27:14,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2023-02-18 07:27:14,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2023-02-18 07:27:14,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 91 states have (on average 1.2967032967032968) internal successors, (118), 98 states have internal predecessors, (118), 12 states have call successors, (12), 10 states have call predecessors, (12), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 07:27:14,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 130 transitions. [2023-02-18 07:27:14,157 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 130 transitions. Word has length 18 [2023-02-18 07:27:14,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 07:27:14,158 INFO L495 AbstractCegarLoop]: Abstraction has 109 states and 130 transitions. [2023-02-18 07:27:14,158 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), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 07:27:14,158 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 130 transitions. [2023-02-18 07:27:14,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-02-18 07:27:14,159 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 07:27:14,160 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 07:27:14,160 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-02-18 07:27:14,160 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting additionErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-18 07:27:14,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 07:27:14,160 INFO L85 PathProgramCache]: Analyzing trace with hash -1177627398, now seen corresponding path program 1 times [2023-02-18 07:27:14,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 07:27:14,161 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1104883889] [2023-02-18 07:27:14,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 07:27:14,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 07:27:14,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:27:14,192 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 07:27:14,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 07:27:14,192 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1104883889] [2023-02-18 07:27:14,193 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1104883889] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-18 07:27:14,193 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-18 07:27:14,193 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-02-18 07:27:14,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118689463] [2023-02-18 07:27:14,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-18 07:27:14,197 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-02-18 07:27:14,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 07:27:14,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-02-18 07:27:14,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-02-18 07:27:14,198 INFO L87 Difference]: Start difference. First operand 109 states and 130 transitions. Second operand has 5 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 07:27:14,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 07:27:14,213 INFO L93 Difference]: Finished difference Result 110 states and 130 transitions. [2023-02-18 07:27:14,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-02-18 07:27:14,213 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2023-02-18 07:27:14,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 07:27:14,214 INFO L225 Difference]: With dead ends: 110 [2023-02-18 07:27:14,214 INFO L226 Difference]: Without dead ends: 43 [2023-02-18 07:27:14,220 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-02-18 07:27:14,220 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 10 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-18 07:27:14,221 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 28 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-18 07:27:14,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2023-02-18 07:27:14,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2023-02-18 07:27:14,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 37 states have (on average 1.027027027027027) internal successors, (38), 37 states have internal predecessors, (38), 5 states have call successors, (5), 5 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 07:27:14,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 43 transitions. [2023-02-18 07:27:14,223 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 43 transitions. Word has length 20 [2023-02-18 07:27:14,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 07:27:14,224 INFO L495 AbstractCegarLoop]: Abstraction has 43 states and 43 transitions. [2023-02-18 07:27:14,224 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 07:27:14,224 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 43 transitions. [2023-02-18 07:27:14,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-02-18 07:27:14,224 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 07:27:14,225 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1] [2023-02-18 07:27:14,225 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-02-18 07:27:14,225 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting additionErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-18 07:27:14,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 07:27:14,225 INFO L85 PathProgramCache]: Analyzing trace with hash -111427498, now seen corresponding path program 2 times [2023-02-18 07:27:14,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 07:27:14,226 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507807528] [2023-02-18 07:27:14,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 07:27:14,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 07:27:14,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:27:14,379 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 68 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 07:27:14,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 07:27:14,379 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507807528] [2023-02-18 07:27:14,380 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1507807528] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-18 07:27:14,380 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1778060540] [2023-02-18 07:27:14,380 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-02-18 07:27:14,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 07:27:14,380 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 07:27:14,381 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-18 07:27:14,383 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-02-18 07:27:14,422 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-02-18 07:27:14,423 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-18 07:27:14,423 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 12 conjunts are in the unsatisfiable core [2023-02-18 07:27:14,426 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 07:27:14,463 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 68 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 07:27:14,464 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-18 07:27:14,569 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 68 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 07:27:14,569 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1778060540] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-18 07:27:14,569 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-18 07:27:14,569 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 23 [2023-02-18 07:27:14,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524357996] [2023-02-18 07:27:14,570 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-18 07:27:14,570 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2023-02-18 07:27:14,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 07:27:14,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2023-02-18 07:27:14,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=416, Unknown=0, NotChecked=0, Total=552 [2023-02-18 07:27:14,571 INFO L87 Difference]: Start difference. First operand 43 states and 43 transitions. Second operand has 24 states, 23 states have (on average 3.130434782608696) internal successors, (72), 14 states have internal predecessors, (72), 10 states have call successors, (10), 10 states have call predecessors, (10), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 07:27:14,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 07:27:14,713 INFO L93 Difference]: Finished difference Result 95 states and 100 transitions. [2023-02-18 07:27:14,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-02-18 07:27:14,713 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 3.130434782608696) internal successors, (72), 14 states have internal predecessors, (72), 10 states have call successors, (10), 10 states have call predecessors, (10), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 42 [2023-02-18 07:27:14,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 07:27:14,714 INFO L225 Difference]: With dead ends: 95 [2023-02-18 07:27:14,715 INFO L226 Difference]: Without dead ends: 94 [2023-02-18 07:27:14,715 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 67 SyntacticMatches, 5 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 202 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=311, Invalid=811, Unknown=0, NotChecked=0, Total=1122 [2023-02-18 07:27:14,716 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 141 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-18 07:27:14,716 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 129 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-18 07:27:14,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2023-02-18 07:27:14,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 91. [2023-02-18 07:27:14,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 79 states have (on average 1.0126582278481013) internal successors, (80), 79 states have internal predecessors, (80), 11 states have call successors, (11), 11 states have call predecessors, (11), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 07:27:14,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 91 transitions. [2023-02-18 07:27:14,720 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 91 transitions. Word has length 42 [2023-02-18 07:27:14,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 07:27:14,721 INFO L495 AbstractCegarLoop]: Abstraction has 91 states and 91 transitions. [2023-02-18 07:27:14,721 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 3.130434782608696) internal successors, (72), 14 states have internal predecessors, (72), 10 states have call successors, (10), 10 states have call predecessors, (10), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 07:27:14,721 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 91 transitions. [2023-02-18 07:27:14,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-02-18 07:27:14,724 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 07:27:14,724 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1] [2023-02-18 07:27:14,731 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-02-18 07:27:14,931 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,SelfDestructingSolverStorable11 [2023-02-18 07:27:14,931 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting additionErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-18 07:27:14,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 07:27:14,932 INFO L85 PathProgramCache]: Analyzing trace with hash 1088226472, now seen corresponding path program 3 times [2023-02-18 07:27:14,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 07:27:14,932 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1429274325] [2023-02-18 07:27:14,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 07:27:14,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 07:27:14,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:27:15,245 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 0 proven. 410 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 07:27:15,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 07:27:15,246 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1429274325] [2023-02-18 07:27:15,246 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1429274325] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-18 07:27:15,246 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [736337354] [2023-02-18 07:27:15,246 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-02-18 07:27:15,246 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 07:27:15,246 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 07:27:15,247 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-18 07:27:15,249 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-02-18 07:27:15,296 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2023-02-18 07:27:15,296 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-18 07:27:15,297 INFO L263 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 24 conjunts are in the unsatisfiable core [2023-02-18 07:27:15,300 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 07:27:15,384 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 0 proven. 410 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 07:27:15,384 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-18 07:27:15,777 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 0 proven. 410 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 07:27:15,778 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [736337354] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-18 07:27:15,778 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-18 07:27:15,778 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 47 [2023-02-18 07:27:15,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512102443] [2023-02-18 07:27:15,780 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-18 07:27:15,780 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2023-02-18 07:27:15,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 07:27:15,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2023-02-18 07:27:15,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=556, Invalid=1700, Unknown=0, NotChecked=0, Total=2256 [2023-02-18 07:27:15,783 INFO L87 Difference]: Start difference. First operand 91 states and 91 transitions. Second operand has 48 states, 47 states have (on average 3.3191489361702127) internal successors, (156), 26 states have internal predecessors, (156), 22 states have call successors, (22), 22 states have call predecessors, (22), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 07:27:16,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 07:27:16,136 INFO L93 Difference]: Finished difference Result 191 states and 202 transitions. [2023-02-18 07:27:16,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-02-18 07:27:16,136 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 47 states have (on average 3.3191489361702127) internal successors, (156), 26 states have internal predecessors, (156), 22 states have call successors, (22), 22 states have call predecessors, (22), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 90 [2023-02-18 07:27:16,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 07:27:16,139 INFO L225 Difference]: With dead ends: 191 [2023-02-18 07:27:16,140 INFO L226 Difference]: Without dead ends: 190 [2023-02-18 07:27:16,141 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 224 GetRequests, 145 SyntacticMatches, 11 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1069 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=1337, Invalid=3493, Unknown=0, NotChecked=0, Total=4830 [2023-02-18 07:27:16,142 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 505 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 505 SdHoareTripleChecker+Valid, 216 SdHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-18 07:27:16,142 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [505 Valid, 216 Invalid, 168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-18 07:27:16,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2023-02-18 07:27:16,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 187. [2023-02-18 07:27:16,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 163 states have (on average 1.0061349693251533) internal successors, (164), 163 states have internal predecessors, (164), 23 states have call successors, (23), 23 states have call predecessors, (23), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 07:27:16,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 187 transitions. [2023-02-18 07:27:16,150 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 187 transitions. Word has length 90 [2023-02-18 07:27:16,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 07:27:16,150 INFO L495 AbstractCegarLoop]: Abstraction has 187 states and 187 transitions. [2023-02-18 07:27:16,150 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 47 states have (on average 3.3191489361702127) internal successors, (156), 26 states have internal predecessors, (156), 22 states have call successors, (22), 22 states have call predecessors, (22), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 07:27:16,151 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 187 transitions. [2023-02-18 07:27:16,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2023-02-18 07:27:16,157 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 07:27:16,158 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 23, 22, 22, 22, 22, 1, 1, 1, 1, 1, 1] [2023-02-18 07:27:16,167 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-02-18 07:27:16,362 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 07:27:16,363 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting additionErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-18 07:27:16,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 07:27:16,363 INFO L85 PathProgramCache]: Analyzing trace with hash -145127092, now seen corresponding path program 4 times [2023-02-18 07:27:16,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 07:27:16,364 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811781915] [2023-02-18 07:27:16,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 07:27:16,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 07:27:16,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:27:17,566 INFO L134 CoverageAnalysis]: Checked inductivity of 1958 backedges. 0 proven. 1958 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 07:27:17,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 07:27:17,566 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811781915] [2023-02-18 07:27:17,567 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1811781915] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-18 07:27:17,567 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [675575374] [2023-02-18 07:27:17,567 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-02-18 07:27:17,567 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 07:27:17,567 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 07:27:17,568 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-18 07:27:17,570 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-02-18 07:27:17,643 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-02-18 07:27:17,643 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-18 07:27:17,646 INFO L263 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 48 conjunts are in the unsatisfiable core [2023-02-18 07:27:17,649 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 07:27:17,960 INFO L134 CoverageAnalysis]: Checked inductivity of 1958 backedges. 0 proven. 1958 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 07:27:17,960 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-18 07:27:19,387 INFO L134 CoverageAnalysis]: Checked inductivity of 1958 backedges. 0 proven. 1958 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 07:27:19,388 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [675575374] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-18 07:27:19,388 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-18 07:27:19,388 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 48, 48] total 95 [2023-02-18 07:27:19,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309169155] [2023-02-18 07:27:19,388 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-18 07:27:19,388 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2023-02-18 07:27:19,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 07:27:19,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2023-02-18 07:27:19,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2260, Invalid=6860, Unknown=0, NotChecked=0, Total=9120 [2023-02-18 07:27:19,392 INFO L87 Difference]: Start difference. First operand 187 states and 187 transitions. Second operand has 96 states, 95 states have (on average 3.4105263157894736) internal successors, (324), 50 states have internal predecessors, (324), 46 states have call successors, (46), 46 states have call predecessors, (46), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 07:27:20,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 07:27:20,671 INFO L93 Difference]: Finished difference Result 383 states and 406 transitions. [2023-02-18 07:27:20,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2023-02-18 07:27:20,671 INFO L78 Accepts]: Start accepts. Automaton has has 96 states, 95 states have (on average 3.4105263157894736) internal successors, (324), 50 states have internal predecessors, (324), 46 states have call successors, (46), 46 states have call predecessors, (46), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 186 [2023-02-18 07:27:20,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 07:27:20,673 INFO L225 Difference]: With dead ends: 383 [2023-02-18 07:27:20,673 INFO L226 Difference]: Without dead ends: 382 [2023-02-18 07:27:20,676 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 464 GetRequests, 301 SyntacticMatches, 23 SemanticMatches, 140 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4855 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=5549, Invalid=14473, Unknown=0, NotChecked=0, Total=20022 [2023-02-18 07:27:20,677 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 1009 mSDsluCounter, 447 mSDsCounter, 0 mSdLazyCounter, 358 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1009 SdHoareTripleChecker+Valid, 458 SdHoareTripleChecker+Invalid, 360 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 358 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-02-18 07:27:20,677 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1009 Valid, 458 Invalid, 360 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 358 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-02-18 07:27:20,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2023-02-18 07:27:20,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 379. [2023-02-18 07:27:20,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 379 states, 331 states have (on average 1.0030211480362539) internal successors, (332), 331 states have internal predecessors, (332), 47 states have call successors, (47), 47 states have call predecessors, (47), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 07:27:20,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 379 transitions. [2023-02-18 07:27:20,692 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 379 transitions. Word has length 186 [2023-02-18 07:27:20,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 07:27:20,693 INFO L495 AbstractCegarLoop]: Abstraction has 379 states and 379 transitions. [2023-02-18 07:27:20,693 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 96 states, 95 states have (on average 3.4105263157894736) internal successors, (324), 50 states have internal predecessors, (324), 46 states have call successors, (46), 46 states have call predecessors, (46), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 07:27:20,693 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 379 transitions. [2023-02-18 07:27:20,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2023-02-18 07:27:20,697 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 07:27:20,697 INFO L195 NwaCegarLoop]: trace histogram [47, 47, 47, 47, 46, 46, 46, 46, 1, 1, 1, 1, 1, 1] [2023-02-18 07:27:20,719 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-02-18 07:27:20,905 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 07:27:20,905 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting additionErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-18 07:27:20,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 07:27:20,905 INFO L85 PathProgramCache]: Analyzing trace with hash 1897562772, now seen corresponding path program 5 times [2023-02-18 07:27:20,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 07:27:20,906 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408899235] [2023-02-18 07:27:20,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 07:27:20,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 07:27:21,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:27:24,638 INFO L134 CoverageAnalysis]: Checked inductivity of 8510 backedges. 0 proven. 8510 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 07:27:24,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 07:27:24,638 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [408899235] [2023-02-18 07:27:24,638 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [408899235] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-18 07:27:24,639 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [391305784] [2023-02-18 07:27:24,639 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-02-18 07:27:24,639 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 07:27:24,639 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 07:27:24,640 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-18 07:27:24,642 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-02-18 07:27:24,794 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2023-02-18 07:27:24,794 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-18 07:27:24,799 INFO L263 TraceCheckSpWp]: Trace formula consists of 785 conjuncts, 96 conjunts are in the unsatisfiable core [2023-02-18 07:27:24,804 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 07:27:25,938 INFO L134 CoverageAnalysis]: Checked inductivity of 8510 backedges. 0 proven. 8510 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 07:27:25,939 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-18 07:27:31,014 INFO L134 CoverageAnalysis]: Checked inductivity of 8510 backedges. 0 proven. 8510 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 07:27:31,015 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [391305784] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-18 07:27:31,015 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-18 07:27:31,015 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [96, 96, 96] total 191 [2023-02-18 07:27:31,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349369086] [2023-02-18 07:27:31,015 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-18 07:27:31,016 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 192 states [2023-02-18 07:27:31,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 07:27:31,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 192 interpolants. [2023-02-18 07:27:31,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9124, Invalid=27548, Unknown=0, NotChecked=0, Total=36672 [2023-02-18 07:27:31,024 INFO L87 Difference]: Start difference. First operand 379 states and 379 transitions. Second operand has 192 states, 191 states have (on average 3.4554973821989527) internal successors, (660), 98 states have internal predecessors, (660), 94 states have call successors, (94), 94 states have call predecessors, (94), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 07:27:36,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 07:27:36,706 INFO L93 Difference]: Finished difference Result 767 states and 814 transitions. [2023-02-18 07:27:36,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 192 states. [2023-02-18 07:27:36,709 INFO L78 Accepts]: Start accepts. Automaton has has 192 states, 191 states have (on average 3.4554973821989527) internal successors, (660), 98 states have internal predecessors, (660), 94 states have call successors, (94), 94 states have call predecessors, (94), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 378 [2023-02-18 07:27:36,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 07:27:36,711 INFO L225 Difference]: With dead ends: 767 [2023-02-18 07:27:36,711 INFO L226 Difference]: Without dead ends: 766 [2023-02-18 07:27:36,716 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 944 GetRequests, 613 SyntacticMatches, 47 SemanticMatches, 284 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20635 ImplicationChecksByTransitivity, 11.4s TimeCoverageRelationStatistics Valid=22613, Invalid=58897, Unknown=0, NotChecked=0, Total=81510 [2023-02-18 07:27:36,716 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 2185 mSDsluCounter, 816 mSDsCounter, 0 mSdLazyCounter, 679 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2185 SdHoareTripleChecker+Valid, 827 SdHoareTripleChecker+Invalid, 681 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 679 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-02-18 07:27:36,716 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2185 Valid, 827 Invalid, 681 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 679 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-02-18 07:27:36,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 766 states. [2023-02-18 07:27:36,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 766 to 763. [2023-02-18 07:27:36,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 763 states, 667 states have (on average 1.0014992503748126) internal successors, (668), 667 states have internal predecessors, (668), 95 states have call successors, (95), 95 states have call predecessors, (95), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 07:27:36,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 763 states to 763 states and 763 transitions. [2023-02-18 07:27:36,735 INFO L78 Accepts]: Start accepts. Automaton has 763 states and 763 transitions. Word has length 378 [2023-02-18 07:27:36,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 07:27:36,735 INFO L495 AbstractCegarLoop]: Abstraction has 763 states and 763 transitions. [2023-02-18 07:27:36,736 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 192 states, 191 states have (on average 3.4554973821989527) internal successors, (660), 98 states have internal predecessors, (660), 94 states have call successors, (94), 94 states have call predecessors, (94), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 07:27:36,736 INFO L276 IsEmpty]: Start isEmpty. Operand 763 states and 763 transitions. [2023-02-18 07:27:36,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 763 [2023-02-18 07:27:36,745 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 07:27:36,745 INFO L195 NwaCegarLoop]: trace histogram [95, 95, 95, 95, 94, 94, 94, 94, 1, 1, 1, 1, 1, 1] [2023-02-18 07:27:36,753 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-02-18 07:27:36,951 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,SelfDestructingSolverStorable14 [2023-02-18 07:27:36,952 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting additionErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-18 07:27:36,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 07:27:36,952 INFO L85 PathProgramCache]: Analyzing trace with hash -1900268252, now seen corresponding path program 6 times [2023-02-18 07:27:36,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 07:27:36,952 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1283090815] [2023-02-18 07:27:36,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 07:27:36,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 07:27:37,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:27:52,790 INFO L134 CoverageAnalysis]: Checked inductivity of 35438 backedges. 0 proven. 35438 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 07:27:52,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 07:27:52,790 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1283090815] [2023-02-18 07:27:52,790 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1283090815] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-18 07:27:52,790 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [712490623] [2023-02-18 07:27:52,790 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-02-18 07:27:52,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 07:27:52,790 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 07:27:52,791 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-18 07:27:52,794 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-02-18 07:27:53,151 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 95 check-sat command(s) [2023-02-18 07:27:53,151 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-18 07:27:53,160 INFO L263 TraceCheckSpWp]: Trace formula consists of 1553 conjuncts, 192 conjunts are in the unsatisfiable core [2023-02-18 07:27:53,168 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 07:27:57,182 INFO L134 CoverageAnalysis]: Checked inductivity of 35438 backedges. 0 proven. 35438 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 07:27:57,183 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-18 07:28:17,259 INFO L134 CoverageAnalysis]: Checked inductivity of 35438 backedges. 0 proven. 35438 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 07:28:17,260 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [712490623] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-18 07:28:17,260 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-18 07:28:17,260 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [192, 192, 192] total 383 [2023-02-18 07:28:17,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151818628] [2023-02-18 07:28:17,260 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-18 07:28:17,262 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 384 states [2023-02-18 07:28:17,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 07:28:17,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 384 interpolants. [2023-02-18 07:28:17,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36676, Invalid=110396, Unknown=0, NotChecked=0, Total=147072 [2023-02-18 07:28:17,282 INFO L87 Difference]: Start difference. First operand 763 states and 763 transitions. Second operand has 384 states, 383 states have (on average 3.4778067885117494) internal successors, (1332), 194 states have internal predecessors, (1332), 190 states have call successors, (190), 190 states have call predecessors, (190), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 07:28:57,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 07:28:57,844 INFO L93 Difference]: Finished difference Result 1535 states and 1630 transitions. [2023-02-18 07:28:57,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 384 states. [2023-02-18 07:28:57,845 INFO L78 Accepts]: Start accepts. Automaton has has 384 states, 383 states have (on average 3.4778067885117494) internal successors, (1332), 194 states have internal predecessors, (1332), 190 states have call successors, (190), 190 states have call predecessors, (190), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 762 [2023-02-18 07:28:57,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 07:28:57,850 INFO L225 Difference]: With dead ends: 1535 [2023-02-18 07:28:57,850 INFO L226 Difference]: Without dead ends: 1534 [2023-02-18 07:28:57,867 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1904 GetRequests, 1237 SyntacticMatches, 95 SemanticMatches, 572 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85027 ImplicationChecksByTransitivity, 45.1s TimeCoverageRelationStatistics Valid=91301, Invalid=237601, Unknown=0, NotChecked=0, Total=328902 [2023-02-18 07:28:57,868 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 7281 mSDsluCounter, 1570 mSDsCounter, 0 mSdLazyCounter, 1354 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7281 SdHoareTripleChecker+Valid, 1581 SdHoareTripleChecker+Invalid, 1356 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1354 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-02-18 07:28:57,868 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7281 Valid, 1581 Invalid, 1356 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1354 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-02-18 07:28:57,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1534 states. [2023-02-18 07:28:57,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1534 to 1531. [2023-02-18 07:28:57,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1531 states, 1339 states have (on average 1.0007468259895445) internal successors, (1340), 1339 states have internal predecessors, (1340), 191 states have call successors, (191), 191 states have call predecessors, (191), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 07:28:57,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1531 states to 1531 states and 1531 transitions. [2023-02-18 07:28:57,903 INFO L78 Accepts]: Start accepts. Automaton has 1531 states and 1531 transitions. Word has length 762 [2023-02-18 07:28:57,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 07:28:57,904 INFO L495 AbstractCegarLoop]: Abstraction has 1531 states and 1531 transitions. [2023-02-18 07:28:57,905 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 384 states, 383 states have (on average 3.4778067885117494) internal successors, (1332), 194 states have internal predecessors, (1332), 190 states have call successors, (190), 190 states have call predecessors, (190), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 07:28:57,905 INFO L276 IsEmpty]: Start isEmpty. Operand 1531 states and 1531 transitions. [2023-02-18 07:28:57,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1531 [2023-02-18 07:28:57,958 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 07:28:57,958 INFO L195 NwaCegarLoop]: trace histogram [191, 191, 191, 191, 190, 190, 190, 190, 1, 1, 1, 1, 1, 1] [2023-02-18 07:28:57,972 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-02-18 07:28:58,164 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2023-02-18 07:28:58,165 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting additionErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-18 07:28:58,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 07:28:58,165 INFO L85 PathProgramCache]: Analyzing trace with hash 712940100, now seen corresponding path program 7 times [2023-02-18 07:28:58,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 07:28:58,165 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110827521] [2023-02-18 07:28:58,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 07:28:58,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 07:28:59,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:30:25,297 INFO L134 CoverageAnalysis]: Checked inductivity of 144590 backedges. 0 proven. 144590 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 07:30:25,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 07:30:25,297 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110827521] [2023-02-18 07:30:25,297 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2110827521] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-18 07:30:25,297 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1092047479] [2023-02-18 07:30:25,298 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-02-18 07:30:25,298 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 07:30:25,298 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 07:30:25,300 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-18 07:30:25,301 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-02-18 07:30:25,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:30:25,787 INFO L263 TraceCheckSpWp]: Trace formula consists of 3089 conjuncts, 384 conjunts are in the unsatisfiable core [2023-02-18 07:30:25,804 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 07:30:41,214 INFO L134 CoverageAnalysis]: Checked inductivity of 144590 backedges. 0 proven. 144590 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 07:30:41,214 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-18 07:32:02,600 INFO L134 CoverageAnalysis]: Checked inductivity of 144590 backedges. 0 proven. 144590 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 07:32:02,601 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1092047479] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-18 07:32:02,601 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-18 07:32:02,601 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [384, 384, 384] total 767 [2023-02-18 07:32:02,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047217341] [2023-02-18 07:32:02,605 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-18 07:32:02,622 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 768 states [2023-02-18 07:32:02,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 07:32:02,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 768 interpolants. [2023-02-18 07:32:02,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=147076, Invalid=441980, Unknown=0, NotChecked=0, Total=589056 [2023-02-18 07:32:02,661 INFO L87 Difference]: Start difference. First operand 1531 states and 1531 transitions. Second operand has 768 states, 767 states have (on average 3.4889178617992176) internal successors, (2676), 386 states have internal predecessors, (2676), 382 states have call successors, (382), 382 states have call predecessors, (382), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 07:39:27,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 07:39:27,552 INFO L93 Difference]: Finished difference Result 3071 states and 3262 transitions. [2023-02-18 07:39:27,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 768 states. [2023-02-18 07:39:27,557 INFO L78 Accepts]: Start accepts. Automaton has has 768 states, 767 states have (on average 3.4889178617992176) internal successors, (2676), 386 states have internal predecessors, (2676), 382 states have call successors, (382), 382 states have call predecessors, (382), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1530 [2023-02-18 07:39:27,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 07:39:27,566 INFO L225 Difference]: With dead ends: 3071 [2023-02-18 07:39:27,566 INFO L226 Difference]: Without dead ends: 3070 [2023-02-18 07:39:27,662 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3824 GetRequests, 2485 SyntacticMatches, 191 SemanticMatches, 1148 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 345139 ImplicationChecksByTransitivity, 182.9s TimeCoverageRelationStatistics Valid=366917, Invalid=954433, Unknown=0, NotChecked=0, Total=1321350 [2023-02-18 07:39:27,663 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 14918 mSDsluCounter, 3121 mSDsCounter, 0 mSdLazyCounter, 2707 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14918 SdHoareTripleChecker+Valid, 3132 SdHoareTripleChecker+Invalid, 2709 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 2707 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-02-18 07:39:27,663 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14918 Valid, 3132 Invalid, 2709 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 2707 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-02-18 07:39:27,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3070 states. [2023-02-18 07:39:27,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3070 to 3067. [2023-02-18 07:39:27,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3067 states, 2683 states have (on average 1.0003727171077152) internal successors, (2684), 2683 states have internal predecessors, (2684), 383 states have call successors, (383), 383 states have call predecessors, (383), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 07:39:27,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3067 states to 3067 states and 3067 transitions. [2023-02-18 07:39:27,837 INFO L78 Accepts]: Start accepts. Automaton has 3067 states and 3067 transitions. Word has length 1530 [2023-02-18 07:39:27,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 07:39:27,839 INFO L495 AbstractCegarLoop]: Abstraction has 3067 states and 3067 transitions. [2023-02-18 07:39:27,841 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 768 states, 767 states have (on average 3.4889178617992176) internal successors, (2676), 386 states have internal predecessors, (2676), 382 states have call successors, (382), 382 states have call predecessors, (382), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 07:39:27,841 INFO L276 IsEmpty]: Start isEmpty. Operand 3067 states and 3067 transitions. [2023-02-18 07:39:27,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3067 [2023-02-18 07:39:27,884 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 07:39:27,885 INFO L195 NwaCegarLoop]: trace histogram [383, 383, 383, 383, 382, 382, 382, 382, 1, 1, 1, 1, 1, 1] [2023-02-18 07:39:27,896 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-02-18 07:39:28,095 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 07:39:28,096 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting additionErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-18 07:39:28,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 07:39:28,096 INFO L85 PathProgramCache]: Analyzing trace with hash -1543543676, now seen corresponding path program 8 times [2023-02-18 07:39:28,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 07:39:28,097 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585868267] [2023-02-18 07:39:28,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 07:39:28,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 07:39:31,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat