./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/psyco/psyco_abp_1-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5317dae 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/psyco/psyco_abp_1-2.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 167b835a28653099821c6834c1cc6b8e30303efac27d569b21e43e89592d7586 --- Real Ultimate output --- This is Ultimate 0.2.2-?-b5317da-m [2023-02-16 04:03:46,133 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-16 04:03:46,136 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-16 04:03:46,174 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-16 04:03:46,174 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-16 04:03:46,177 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-16 04:03:46,178 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-16 04:03:46,181 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-16 04:03:46,182 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-16 04:03:46,186 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-16 04:03:46,188 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-16 04:03:46,190 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-16 04:03:46,190 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-16 04:03:46,191 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-16 04:03:46,193 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-16 04:03:46,194 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-16 04:03:46,194 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-16 04:03:46,195 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-16 04:03:46,196 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-16 04:03:46,201 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-16 04:03:46,202 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-16 04:03:46,202 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-16 04:03:46,203 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-16 04:03:46,204 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-16 04:03:46,211 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-16 04:03:46,212 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-16 04:03:46,212 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-16 04:03:46,213 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-16 04:03:46,214 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-16 04:03:46,214 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-16 04:03:46,215 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-16 04:03:46,215 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-16 04:03:46,216 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-16 04:03:46,217 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-16 04:03:46,218 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-16 04:03:46,218 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-16 04:03:46,218 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-16 04:03:46,219 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-16 04:03:46,219 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-16 04:03:46,220 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-16 04:03:46,221 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-16 04:03:46,221 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-02-16 04:03:46,252 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-16 04:03:46,253 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-16 04:03:46,253 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-16 04:03:46,253 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-16 04:03:46,254 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-16 04:03:46,254 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-16 04:03:46,255 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-16 04:03:46,255 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-16 04:03:46,255 INFO L138 SettingsManager]: * Use SBE=true [2023-02-16 04:03:46,255 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-16 04:03:46,256 INFO L138 SettingsManager]: * sizeof long=4 [2023-02-16 04:03:46,256 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-02-16 04:03:46,256 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-16 04:03:46,256 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-02-16 04:03:46,257 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-16 04:03:46,257 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-02-16 04:03:46,257 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-16 04:03:46,257 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-02-16 04:03:46,257 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-02-16 04:03:46,257 INFO L138 SettingsManager]: * sizeof long double=12 [2023-02-16 04:03:46,258 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-16 04:03:46,258 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-16 04:03:46,258 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-02-16 04:03:46,258 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-16 04:03:46,258 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-16 04:03:46,258 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-16 04:03:46,259 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-16 04:03:46,259 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-16 04:03:46,259 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-16 04:03:46,259 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-02-16 04:03:46,260 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-16 04:03:46,260 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-02-16 04:03:46,260 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-16 04:03:46,260 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-02-16 04:03:46,260 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-16 04:03:46,261 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-16 04:03:46,261 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-16 04:03:46,261 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 167b835a28653099821c6834c1cc6b8e30303efac27d569b21e43e89592d7586 [2023-02-16 04:03:46,488 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-16 04:03:46,509 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-16 04:03:46,511 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-16 04:03:46,512 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-16 04:03:46,512 INFO L275 PluginConnector]: CDTParser initialized [2023-02-16 04:03:46,513 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/psyco/psyco_abp_1-2.c [2023-02-16 04:03:47,548 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-16 04:03:47,784 INFO L351 CDTParser]: Found 1 translation units. [2023-02-16 04:03:47,784 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/psyco/psyco_abp_1-2.c [2023-02-16 04:03:47,793 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a02034bd6/761dcde49de04c96a5edbc90d6d7b8f4/FLAG69ac09fbb [2023-02-16 04:03:47,809 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a02034bd6/761dcde49de04c96a5edbc90d6d7b8f4 [2023-02-16 04:03:47,811 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-16 04:03:47,813 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-16 04:03:47,815 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-16 04:03:47,815 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-16 04:03:47,818 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-16 04:03:47,819 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.02 04:03:47" (1/1) ... [2023-02-16 04:03:47,820 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c0cd056 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:03:47, skipping insertion in model container [2023-02-16 04:03:47,820 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.02 04:03:47" (1/1) ... [2023-02-16 04:03:47,826 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-16 04:03:47,855 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-16 04:03:48,115 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/psyco/psyco_abp_1-2.c[24706,24719] [2023-02-16 04:03:48,128 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-16 04:03:48,141 INFO L203 MainTranslator]: Completed pre-run [2023-02-16 04:03:48,199 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/psyco/psyco_abp_1-2.c[24706,24719] [2023-02-16 04:03:48,201 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-16 04:03:48,211 INFO L208 MainTranslator]: Completed translation [2023-02-16 04:03:48,212 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:03:48 WrapperNode [2023-02-16 04:03:48,212 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-16 04:03:48,213 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-16 04:03:48,213 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-16 04:03:48,213 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-16 04:03:48,219 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:03:48" (1/1) ... [2023-02-16 04:03:48,229 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:03:48" (1/1) ... [2023-02-16 04:03:48,273 INFO L138 Inliner]: procedures = 12, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 467 [2023-02-16 04:03:48,274 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-16 04:03:48,275 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-16 04:03:48,275 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-16 04:03:48,276 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-16 04:03:48,284 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:03:48" (1/1) ... [2023-02-16 04:03:48,284 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:03:48" (1/1) ... [2023-02-16 04:03:48,299 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:03:48" (1/1) ... [2023-02-16 04:03:48,300 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:03:48" (1/1) ... [2023-02-16 04:03:48,313 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:03:48" (1/1) ... [2023-02-16 04:03:48,329 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:03:48" (1/1) ... [2023-02-16 04:03:48,335 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:03:48" (1/1) ... [2023-02-16 04:03:48,342 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:03:48" (1/1) ... [2023-02-16 04:03:48,349 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-16 04:03:48,350 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-16 04:03:48,351 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-16 04:03:48,351 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-16 04:03:48,352 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:03:48" (1/1) ... [2023-02-16 04:03:48,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-16 04:03:48,365 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:03:48,374 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) [2023-02-16 04:03:48,392 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 [2023-02-16 04:03:48,422 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-02-16 04:03:48,423 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-16 04:03:48,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-16 04:03:48,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-02-16 04:03:48,517 INFO L235 CfgBuilder]: Building ICFG [2023-02-16 04:03:48,519 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-16 04:03:49,319 INFO L276 CfgBuilder]: Performing block encoding [2023-02-16 04:03:49,326 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-16 04:03:49,326 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2023-02-16 04:03:49,328 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.02 04:03:49 BoogieIcfgContainer [2023-02-16 04:03:49,328 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-16 04:03:49,330 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-02-16 04:03:49,330 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-02-16 04:03:49,333 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-02-16 04:03:49,333 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.02 04:03:47" (1/3) ... [2023-02-16 04:03:49,334 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b4b9163 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.02 04:03:49, skipping insertion in model container [2023-02-16 04:03:49,334 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:03:48" (2/3) ... [2023-02-16 04:03:49,334 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b4b9163 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.02 04:03:49, skipping insertion in model container [2023-02-16 04:03:49,334 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.02 04:03:49" (3/3) ... [2023-02-16 04:03:49,335 INFO L112 eAbstractionObserver]: Analyzing ICFG psyco_abp_1-2.c [2023-02-16 04:03:49,350 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-02-16 04:03:49,350 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 42 error locations. [2023-02-16 04:03:49,394 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-02-16 04:03:49,400 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;@7bf9b93e, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-02-16 04:03:49,400 INFO L358 AbstractCegarLoop]: Starting to check reachability of 42 error locations. [2023-02-16 04:03:49,406 INFO L276 IsEmpty]: Start isEmpty. Operand has 194 states, 151 states have (on average 1.9602649006622517) internal successors, (296), 193 states have internal predecessors, (296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:03:49,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-02-16 04:03:49,412 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:03:49,413 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 04:03:49,413 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2023-02-16 04:03:49,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:03:49,419 INFO L85 PathProgramCache]: Analyzing trace with hash -1422697969, now seen corresponding path program 1 times [2023-02-16 04:03:49,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:03:49,427 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361794580] [2023-02-16 04:03:49,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:03:49,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:03:49,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:03:49,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:03:49,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:03:49,604 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [361794580] [2023-02-16 04:03:49,606 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [361794580] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-16 04:03:49,606 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-16 04:03:49,606 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-16 04:03:49,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45819115] [2023-02-16 04:03:49,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-16 04:03:49,612 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-16 04:03:49,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:03:49,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-16 04:03:49,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-16 04:03:49,658 INFO L87 Difference]: Start difference. First operand has 194 states, 151 states have (on average 1.9602649006622517) internal successors, (296), 193 states have internal predecessors, (296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:03:49,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:03:49,777 INFO L93 Difference]: Finished difference Result 389 states and 596 transitions. [2023-02-16 04:03:49,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-16 04:03:49,779 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2023-02-16 04:03:49,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:03:49,787 INFO L225 Difference]: With dead ends: 389 [2023-02-16 04:03:49,787 INFO L226 Difference]: Without dead ends: 166 [2023-02-16 04:03:49,790 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-16 04:03:49,793 INFO L413 NwaCegarLoop]: 290 mSDtfsCounter, 4 mSDsluCounter, 244 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 534 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-16 04:03:49,794 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 534 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-16 04:03:49,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2023-02-16 04:03:49,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 166. [2023-02-16 04:03:49,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 124 states have (on average 1.685483870967742) internal successors, (209), 165 states have internal predecessors, (209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:03:49,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 209 transitions. [2023-02-16 04:03:49,832 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 209 transitions. Word has length 10 [2023-02-16 04:03:49,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:03:49,833 INFO L495 AbstractCegarLoop]: Abstraction has 166 states and 209 transitions. [2023-02-16 04:03:49,833 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:03:49,833 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 209 transitions. [2023-02-16 04:03:49,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-02-16 04:03:49,834 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:03:49,834 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 04:03:49,835 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-02-16 04:03:49,835 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2023-02-16 04:03:49,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:03:49,836 INFO L85 PathProgramCache]: Analyzing trace with hash 658032322, now seen corresponding path program 1 times [2023-02-16 04:03:49,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:03:49,836 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [626905036] [2023-02-16 04:03:49,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:03:49,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:03:49,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:03:49,968 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:03:49,969 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:03:49,969 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [626905036] [2023-02-16 04:03:49,969 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [626905036] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-16 04:03:49,969 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-16 04:03:49,969 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-02-16 04:03:49,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565462979] [2023-02-16 04:03:49,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-16 04:03:49,971 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-16 04:03:49,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:03:49,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-16 04:03:49,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-16 04:03:49,972 INFO L87 Difference]: Start difference. First operand 166 states and 209 transitions. Second operand has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:03:50,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:03:50,126 INFO L93 Difference]: Finished difference Result 321 states and 407 transitions. [2023-02-16 04:03:50,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-16 04:03:50,127 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2023-02-16 04:03:50,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:03:50,132 INFO L225 Difference]: With dead ends: 321 [2023-02-16 04:03:50,132 INFO L226 Difference]: Without dead ends: 261 [2023-02-16 04:03:50,138 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 [2023-02-16 04:03:50,142 INFO L413 NwaCegarLoop]: 181 mSDtfsCounter, 151 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 326 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-16 04:03:50,142 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 326 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-16 04:03:50,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2023-02-16 04:03:50,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 252. [2023-02-16 04:03:50,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 252 states, 210 states have (on average 1.6238095238095238) internal successors, (341), 251 states have internal predecessors, (341), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:03:50,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 341 transitions. [2023-02-16 04:03:50,160 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 341 transitions. Word has length 15 [2023-02-16 04:03:50,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:03:50,160 INFO L495 AbstractCegarLoop]: Abstraction has 252 states and 341 transitions. [2023-02-16 04:03:50,161 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:03:50,161 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 341 transitions. [2023-02-16 04:03:50,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-02-16 04:03:50,162 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:03:50,162 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 04:03:50,162 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-02-16 04:03:50,162 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2023-02-16 04:03:50,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:03:50,163 INFO L85 PathProgramCache]: Analyzing trace with hash 1008871492, now seen corresponding path program 1 times [2023-02-16 04:03:50,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:03:50,163 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386984799] [2023-02-16 04:03:50,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:03:50,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:03:50,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:03:50,283 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:03:50,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:03:50,283 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386984799] [2023-02-16 04:03:50,284 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1386984799] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-16 04:03:50,284 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-16 04:03:50,285 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-02-16 04:03:50,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102164732] [2023-02-16 04:03:50,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-16 04:03:50,286 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-16 04:03:50,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:03:50,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-16 04:03:50,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-16 04:03:50,287 INFO L87 Difference]: Start difference. First operand 252 states and 341 transitions. Second operand has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:03:50,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:03:50,338 INFO L93 Difference]: Finished difference Result 355 states and 487 transitions. [2023-02-16 04:03:50,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-16 04:03:50,339 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2023-02-16 04:03:50,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:03:50,341 INFO L225 Difference]: With dead ends: 355 [2023-02-16 04:03:50,341 INFO L226 Difference]: Without dead ends: 347 [2023-02-16 04:03:50,343 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 [2023-02-16 04:03:50,348 INFO L413 NwaCegarLoop]: 199 mSDtfsCounter, 123 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 381 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-16 04:03:50,349 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 381 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-16 04:03:50,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states. [2023-02-16 04:03:50,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 342. [2023-02-16 04:03:50,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 342 states, 300 states have (on average 1.5766666666666667) internal successors, (473), 341 states have internal predecessors, (473), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:03:50,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 473 transitions. [2023-02-16 04:03:50,372 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 473 transitions. Word has length 17 [2023-02-16 04:03:50,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:03:50,372 INFO L495 AbstractCegarLoop]: Abstraction has 342 states and 473 transitions. [2023-02-16 04:03:50,372 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:03:50,372 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 473 transitions. [2023-02-16 04:03:50,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-02-16 04:03:50,374 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:03:50,374 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 04:03:50,374 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-02-16 04:03:50,374 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2023-02-16 04:03:50,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:03:50,375 INFO L85 PathProgramCache]: Analyzing trace with hash 166348385, now seen corresponding path program 1 times [2023-02-16 04:03:50,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:03:50,375 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032617107] [2023-02-16 04:03:50,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:03:50,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:03:50,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:03:50,452 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-02-16 04:03:50,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:03:50,453 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032617107] [2023-02-16 04:03:50,453 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2032617107] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-16 04:03:50,453 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-16 04:03:50,453 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-16 04:03:50,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816861129] [2023-02-16 04:03:50,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-16 04:03:50,454 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-16 04:03:50,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:03:50,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-16 04:03:50,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-16 04:03:50,455 INFO L87 Difference]: Start difference. First operand 342 states and 473 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:03:50,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:03:50,485 INFO L93 Difference]: Finished difference Result 696 states and 970 transitions. [2023-02-16 04:03:50,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-16 04:03:50,486 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2023-02-16 04:03:50,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:03:50,487 INFO L225 Difference]: With dead ends: 696 [2023-02-16 04:03:50,487 INFO L226 Difference]: Without dead ends: 357 [2023-02-16 04:03:50,488 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-16 04:03:50,489 INFO L413 NwaCegarLoop]: 207 mSDtfsCounter, 39 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 354 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-16 04:03:50,489 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 354 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-16 04:03:50,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2023-02-16 04:03:50,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 357. [2023-02-16 04:03:50,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 357 states, 315 states have (on average 1.5492063492063493) internal successors, (488), 356 states have internal predecessors, (488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:03:50,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 488 transitions. [2023-02-16 04:03:50,503 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 488 transitions. Word has length 25 [2023-02-16 04:03:50,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:03:50,503 INFO L495 AbstractCegarLoop]: Abstraction has 357 states and 488 transitions. [2023-02-16 04:03:50,503 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:03:50,503 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 488 transitions. [2023-02-16 04:03:50,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-02-16 04:03:50,505 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:03:50,505 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 04:03:50,505 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-02-16 04:03:50,505 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2023-02-16 04:03:50,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:03:50,506 INFO L85 PathProgramCache]: Analyzing trace with hash 110617732, now seen corresponding path program 1 times [2023-02-16 04:03:50,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:03:50,506 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413386327] [2023-02-16 04:03:50,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:03:50,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:03:50,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:03:50,570 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:03:50,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:03:50,571 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413386327] [2023-02-16 04:03:50,571 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [413386327] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-16 04:03:50,571 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [76450961] [2023-02-16 04:03:50,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:03:50,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:03:50,572 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:03:50,577 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) [2023-02-16 04:03:50,601 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-02-16 04:03:50,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:03:50,662 INFO L263 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 3 conjunts are in the unsatisfiable core [2023-02-16 04:03:50,666 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:03:50,732 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:03:50,732 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-02-16 04:03:50,733 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [76450961] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-16 04:03:50,733 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-02-16 04:03:50,733 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2023-02-16 04:03:50,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454526419] [2023-02-16 04:03:50,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-16 04:03:50,734 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-16 04:03:50,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:03:50,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-16 04:03:50,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-02-16 04:03:50,735 INFO L87 Difference]: Start difference. First operand 357 states and 488 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:03:50,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:03:50,825 INFO L93 Difference]: Finished difference Result 366 states and 494 transitions. [2023-02-16 04:03:50,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-16 04:03:50,826 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2023-02-16 04:03:50,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:03:50,828 INFO L225 Difference]: With dead ends: 366 [2023-02-16 04:03:50,828 INFO L226 Difference]: Without dead ends: 349 [2023-02-16 04:03:50,832 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-02-16 04:03:50,833 INFO L413 NwaCegarLoop]: 269 mSDtfsCounter, 295 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 295 SdHoareTripleChecker+Valid, 394 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-16 04:03:50,833 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [295 Valid, 394 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-16 04:03:50,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2023-02-16 04:03:50,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 340. [2023-02-16 04:03:50,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 340 states, 315 states have (on average 1.4952380952380953) internal successors, (471), 339 states have internal predecessors, (471), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:03:50,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 471 transitions. [2023-02-16 04:03:50,850 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 471 transitions. Word has length 28 [2023-02-16 04:03:50,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:03:50,850 INFO L495 AbstractCegarLoop]: Abstraction has 340 states and 471 transitions. [2023-02-16 04:03:50,850 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:03:50,850 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 471 transitions. [2023-02-16 04:03:50,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-02-16 04:03:50,852 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:03:50,852 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 04:03:50,861 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-02-16 04:03:51,058 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:03:51,059 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2023-02-16 04:03:51,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:03:51,059 INFO L85 PathProgramCache]: Analyzing trace with hash -865818952, now seen corresponding path program 1 times [2023-02-16 04:03:51,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:03:51,060 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734940832] [2023-02-16 04:03:51,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:03:51,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:03:51,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:03:51,111 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-02-16 04:03:51,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:03:51,112 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [734940832] [2023-02-16 04:03:51,112 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [734940832] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-16 04:03:51,112 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-16 04:03:51,112 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-16 04:03:51,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275693068] [2023-02-16 04:03:51,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-16 04:03:51,113 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-16 04:03:51,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:03:51,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-16 04:03:51,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-16 04:03:51,113 INFO L87 Difference]: Start difference. First operand 340 states and 471 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:03:51,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:03:51,125 INFO L93 Difference]: Finished difference Result 680 states and 942 transitions. [2023-02-16 04:03:51,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-16 04:03:51,126 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2023-02-16 04:03:51,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:03:51,127 INFO L225 Difference]: With dead ends: 680 [2023-02-16 04:03:51,127 INFO L226 Difference]: Without dead ends: 340 [2023-02-16 04:03:51,128 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-16 04:03:51,129 INFO L413 NwaCegarLoop]: 189 mSDtfsCounter, 0 mSDsluCounter, 183 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 372 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-16 04:03:51,129 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 372 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-16 04:03:51,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2023-02-16 04:03:51,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 340. [2023-02-16 04:03:51,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 340 states, 315 states have (on average 1.4857142857142858) internal successors, (468), 339 states have internal predecessors, (468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:03:51,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 468 transitions. [2023-02-16 04:03:51,139 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 468 transitions. Word has length 29 [2023-02-16 04:03:51,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:03:51,139 INFO L495 AbstractCegarLoop]: Abstraction has 340 states and 468 transitions. [2023-02-16 04:03:51,139 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:03:51,139 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 468 transitions. [2023-02-16 04:03:51,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-02-16 04:03:51,143 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:03:51,143 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 04:03:51,143 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-02-16 04:03:51,144 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2023-02-16 04:03:51,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:03:51,145 INFO L85 PathProgramCache]: Analyzing trace with hash -865817286, now seen corresponding path program 1 times [2023-02-16 04:03:51,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:03:51,145 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964453542] [2023-02-16 04:03:51,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:03:51,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:03:51,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:03:51,220 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:03:51,220 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:03:51,220 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [964453542] [2023-02-16 04:03:51,221 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [964453542] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-16 04:03:51,221 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [144678941] [2023-02-16 04:03:51,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:03:51,221 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:03:51,222 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:03:51,225 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) [2023-02-16 04:03:51,228 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-02-16 04:03:51,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:03:51,325 INFO L263 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 3 conjunts are in the unsatisfiable core [2023-02-16 04:03:51,326 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:03:51,389 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:03:51,390 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-16 04:03:51,439 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:03:51,439 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [144678941] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-16 04:03:51,439 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-16 04:03:51,439 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2023-02-16 04:03:51,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919064438] [2023-02-16 04:03:51,440 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-16 04:03:51,440 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-02-16 04:03:51,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:03:51,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-02-16 04:03:51,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-02-16 04:03:51,441 INFO L87 Difference]: Start difference. First operand 340 states and 468 transitions. Second operand has 7 states, 6 states have (on average 10.0) internal successors, (60), 7 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:03:51,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:03:51,574 INFO L93 Difference]: Finished difference Result 485 states and 667 transitions. [2023-02-16 04:03:51,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-02-16 04:03:51,574 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 10.0) internal successors, (60), 7 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2023-02-16 04:03:51,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:03:51,577 INFO L225 Difference]: With dead ends: 485 [2023-02-16 04:03:51,577 INFO L226 Difference]: Without dead ends: 416 [2023-02-16 04:03:51,578 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-02-16 04:03:51,578 INFO L413 NwaCegarLoop]: 148 mSDtfsCounter, 434 mSDsluCounter, 433 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 434 SdHoareTripleChecker+Valid, 581 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-16 04:03:51,579 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [434 Valid, 581 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-16 04:03:51,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 416 states. [2023-02-16 04:03:51,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 416 to 394. [2023-02-16 04:03:51,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 394 states, 384 states have (on average 1.4869791666666667) internal successors, (571), 393 states have internal predecessors, (571), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:03:51,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 571 transitions. [2023-02-16 04:03:51,589 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 571 transitions. Word has length 29 [2023-02-16 04:03:51,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:03:51,589 INFO L495 AbstractCegarLoop]: Abstraction has 394 states and 571 transitions. [2023-02-16 04:03:51,589 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 10.0) internal successors, (60), 7 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:03:51,589 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 571 transitions. [2023-02-16 04:03:51,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-02-16 04:03:51,592 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:03:51,592 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 04:03:51,606 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-02-16 04:03:51,803 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,SelfDestructingSolverStorable6 [2023-02-16 04:03:51,803 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2023-02-16 04:03:51,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:03:51,804 INFO L85 PathProgramCache]: Analyzing trace with hash 1173253948, now seen corresponding path program 1 times [2023-02-16 04:03:51,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:03:51,804 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120825618] [2023-02-16 04:03:51,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:03:51,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:03:51,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:03:51,866 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:03:51,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:03:51,866 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [120825618] [2023-02-16 04:03:51,866 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [120825618] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-16 04:03:51,866 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [524796001] [2023-02-16 04:03:51,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:03:51,868 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:03:51,869 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:03:51,870 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) [2023-02-16 04:03:51,872 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-02-16 04:03:51,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:03:51,937 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 3 conjunts are in the unsatisfiable core [2023-02-16 04:03:51,938 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:03:51,972 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:03:51,972 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-16 04:03:52,013 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:03:52,014 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [524796001] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-16 04:03:52,014 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-16 04:03:52,014 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2023-02-16 04:03:52,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476655928] [2023-02-16 04:03:52,014 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-16 04:03:52,015 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-02-16 04:03:52,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:03:52,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-02-16 04:03:52,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2023-02-16 04:03:52,016 INFO L87 Difference]: Start difference. First operand 394 states and 571 transitions. Second operand has 7 states, 6 states have (on average 11.0) internal successors, (66), 7 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:03:52,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:03:52,123 INFO L93 Difference]: Finished difference Result 691 states and 1009 transitions. [2023-02-16 04:03:52,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-02-16 04:03:52,123 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 11.0) internal successors, (66), 7 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2023-02-16 04:03:52,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:03:52,126 INFO L225 Difference]: With dead ends: 691 [2023-02-16 04:03:52,126 INFO L226 Difference]: Without dead ends: 683 [2023-02-16 04:03:52,126 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2023-02-16 04:03:52,127 INFO L413 NwaCegarLoop]: 248 mSDtfsCounter, 738 mSDsluCounter, 492 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 738 SdHoareTripleChecker+Valid, 740 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-16 04:03:52,128 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [738 Valid, 740 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-16 04:03:52,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 683 states. [2023-02-16 04:03:52,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 683 to 576. [2023-02-16 04:03:52,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 576 states, 570 states have (on average 1.4578947368421054) internal successors, (831), 575 states have internal predecessors, (831), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:03:52,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 576 states and 831 transitions. [2023-02-16 04:03:52,161 INFO L78 Accepts]: Start accepts. Automaton has 576 states and 831 transitions. Word has length 31 [2023-02-16 04:03:52,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:03:52,161 INFO L495 AbstractCegarLoop]: Abstraction has 576 states and 831 transitions. [2023-02-16 04:03:52,161 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 11.0) internal successors, (66), 7 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:03:52,161 INFO L276 IsEmpty]: Start isEmpty. Operand 576 states and 831 transitions. [2023-02-16 04:03:52,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-02-16 04:03:52,162 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:03:52,162 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 04:03:52,169 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-02-16 04:03:52,368 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:03:52,368 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2023-02-16 04:03:52,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:03:52,369 INFO L85 PathProgramCache]: Analyzing trace with hash 2011134348, now seen corresponding path program 1 times [2023-02-16 04:03:52,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:03:52,369 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762764501] [2023-02-16 04:03:52,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:03:52,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:03:52,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:03:52,421 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:03:52,421 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:03:52,422 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [762764501] [2023-02-16 04:03:52,422 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [762764501] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-16 04:03:52,422 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [329887892] [2023-02-16 04:03:52,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:03:52,422 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:03:52,423 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:03:52,424 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) [2023-02-16 04:03:52,426 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-02-16 04:03:52,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:03:52,489 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 3 conjunts are in the unsatisfiable core [2023-02-16 04:03:52,490 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:03:52,523 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:03:52,523 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-16 04:03:52,567 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:03:52,567 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [329887892] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-16 04:03:52,567 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-16 04:03:52,567 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2023-02-16 04:03:52,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118188853] [2023-02-16 04:03:52,568 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-16 04:03:52,568 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-02-16 04:03:52,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:03:52,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-02-16 04:03:52,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-02-16 04:03:52,570 INFO L87 Difference]: Start difference. First operand 576 states and 831 transitions. Second operand has 7 states, 6 states have (on average 11.333333333333334) internal successors, (68), 7 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:03:52,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:03:52,623 INFO L93 Difference]: Finished difference Result 676 states and 973 transitions. [2023-02-16 04:03:52,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-16 04:03:52,624 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 11.333333333333334) internal successors, (68), 7 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2023-02-16 04:03:52,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:03:52,628 INFO L225 Difference]: With dead ends: 676 [2023-02-16 04:03:52,628 INFO L226 Difference]: Without dead ends: 672 [2023-02-16 04:03:52,629 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2023-02-16 04:03:52,631 INFO L413 NwaCegarLoop]: 132 mSDtfsCounter, 363 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 363 SdHoareTripleChecker+Valid, 259 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-16 04:03:52,631 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [363 Valid, 259 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-16 04:03:52,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 672 states. [2023-02-16 04:03:52,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 672 to 291. [2023-02-16 04:03:52,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 289 states have (on average 1.4359861591695502) internal successors, (415), 290 states have internal predecessors, (415), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:03:52,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 415 transitions. [2023-02-16 04:03:52,642 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 415 transitions. Word has length 32 [2023-02-16 04:03:52,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:03:52,642 INFO L495 AbstractCegarLoop]: Abstraction has 291 states and 415 transitions. [2023-02-16 04:03:52,642 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 11.333333333333334) internal successors, (68), 7 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:03:52,642 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 415 transitions. [2023-02-16 04:03:52,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-02-16 04:03:52,643 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:03:52,643 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 04:03:52,649 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-02-16 04:03:52,848 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:03:52,849 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2023-02-16 04:03:52,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:03:52,849 INFO L85 PathProgramCache]: Analyzing trace with hash -1692190382, now seen corresponding path program 1 times [2023-02-16 04:03:52,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:03:52,849 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508451553] [2023-02-16 04:03:52,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:03:52,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:03:52,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:03:52,890 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-02-16 04:03:52,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:03:52,891 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508451553] [2023-02-16 04:03:52,891 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [508451553] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-16 04:03:52,891 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-16 04:03:52,892 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-16 04:03:52,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118573165] [2023-02-16 04:03:52,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-16 04:03:52,893 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-16 04:03:52,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:03:52,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-16 04:03:52,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-16 04:03:52,894 INFO L87 Difference]: Start difference. First operand 291 states and 415 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:03:52,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:03:52,919 INFO L93 Difference]: Finished difference Result 510 states and 730 transitions. [2023-02-16 04:03:52,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-16 04:03:52,920 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 48 [2023-02-16 04:03:52,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:03:52,922 INFO L225 Difference]: With dead ends: 510 [2023-02-16 04:03:52,922 INFO L226 Difference]: Without dead ends: 222 [2023-02-16 04:03:52,922 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-16 04:03:52,923 INFO L413 NwaCegarLoop]: 138 mSDtfsCounter, 22 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 238 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-16 04:03:52,924 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 238 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-16 04:03:52,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2023-02-16 04:03:52,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 222. [2023-02-16 04:03:52,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 222 states, 220 states have (on average 1.4181818181818182) internal successors, (312), 221 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:03:52,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 312 transitions. [2023-02-16 04:03:52,932 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 312 transitions. Word has length 48 [2023-02-16 04:03:52,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:03:52,932 INFO L495 AbstractCegarLoop]: Abstraction has 222 states and 312 transitions. [2023-02-16 04:03:52,933 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:03:52,933 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 312 transitions. [2023-02-16 04:03:52,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-02-16 04:03:52,934 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:03:52,934 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 04:03:52,934 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-02-16 04:03:52,935 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2023-02-16 04:03:52,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:03:52,935 INFO L85 PathProgramCache]: Analyzing trace with hash 421641933, now seen corresponding path program 1 times [2023-02-16 04:03:52,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:03:52,936 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301464609] [2023-02-16 04:03:52,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:03:52,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:03:52,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:03:53,006 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-02-16 04:03:53,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:03:53,006 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301464609] [2023-02-16 04:03:53,007 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1301464609] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-16 04:03:53,007 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-16 04:03:53,007 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-16 04:03:53,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645632234] [2023-02-16 04:03:53,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-16 04:03:53,008 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-16 04:03:53,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:03:53,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-16 04:03:53,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-16 04:03:53,009 INFO L87 Difference]: Start difference. First operand 222 states and 312 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:03:53,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:03:53,037 INFO L93 Difference]: Finished difference Result 457 states and 649 transitions. [2023-02-16 04:03:53,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-16 04:03:53,038 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2023-02-16 04:03:53,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:03:53,040 INFO L225 Difference]: With dead ends: 457 [2023-02-16 04:03:53,040 INFO L226 Difference]: Without dead ends: 238 [2023-02-16 04:03:53,041 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-16 04:03:53,041 INFO L413 NwaCegarLoop]: 141 mSDtfsCounter, 30 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 234 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-16 04:03:53,042 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 234 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-16 04:03:53,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2023-02-16 04:03:53,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 238. [2023-02-16 04:03:53,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 238 states, 236 states have (on average 1.3983050847457628) internal successors, (330), 237 states have internal predecessors, (330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:03:53,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 330 transitions. [2023-02-16 04:03:53,050 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 330 transitions. Word has length 56 [2023-02-16 04:03:53,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:03:53,051 INFO L495 AbstractCegarLoop]: Abstraction has 238 states and 330 transitions. [2023-02-16 04:03:53,051 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:03:53,052 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 330 transitions. [2023-02-16 04:03:53,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-02-16 04:03:53,052 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:03:53,053 INFO L195 NwaCegarLoop]: trace histogram [6, 5, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 04:03:53,053 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-02-16 04:03:53,053 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2023-02-16 04:03:53,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:03:53,054 INFO L85 PathProgramCache]: Analyzing trace with hash -2134897336, now seen corresponding path program 1 times [2023-02-16 04:03:53,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:03:53,054 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980013699] [2023-02-16 04:03:53,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:03:53,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:03:53,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:03:53,161 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-02-16 04:03:53,161 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:03:53,162 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [980013699] [2023-02-16 04:03:53,162 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [980013699] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-16 04:03:53,162 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-16 04:03:53,162 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-16 04:03:53,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107832202] [2023-02-16 04:03:53,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-16 04:03:53,164 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-16 04:03:53,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:03:53,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-16 04:03:53,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-16 04:03:53,165 INFO L87 Difference]: Start difference. First operand 238 states and 330 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:03:53,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:03:53,194 INFO L93 Difference]: Finished difference Result 449 states and 621 transitions. [2023-02-16 04:03:53,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-16 04:03:53,194 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2023-02-16 04:03:53,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:03:53,196 INFO L225 Difference]: With dead ends: 449 [2023-02-16 04:03:53,196 INFO L226 Difference]: Without dead ends: 214 [2023-02-16 04:03:53,197 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-16 04:03:53,198 INFO L413 NwaCegarLoop]: 117 mSDtfsCounter, 55 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-16 04:03:53,198 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 171 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-16 04:03:53,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2023-02-16 04:03:53,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 214. [2023-02-16 04:03:53,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 214 states, 212 states have (on average 1.349056603773585) internal successors, (286), 213 states have internal predecessors, (286), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:03:53,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 286 transitions. [2023-02-16 04:03:53,208 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 286 transitions. Word has length 64 [2023-02-16 04:03:53,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:03:53,208 INFO L495 AbstractCegarLoop]: Abstraction has 214 states and 286 transitions. [2023-02-16 04:03:53,208 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:03:53,209 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 286 transitions. [2023-02-16 04:03:53,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-02-16 04:03:53,209 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:03:53,210 INFO L195 NwaCegarLoop]: trace histogram [6, 5, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 04:03:53,210 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-02-16 04:03:53,210 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2023-02-16 04:03:53,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:03:53,211 INFO L85 PathProgramCache]: Analyzing trace with hash -1347359805, now seen corresponding path program 1 times [2023-02-16 04:03:53,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:03:53,211 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557510375] [2023-02-16 04:03:53,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:03:53,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:03:53,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:03:53,303 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-02-16 04:03:53,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:03:53,303 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [557510375] [2023-02-16 04:03:53,304 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [557510375] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-16 04:03:53,304 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-16 04:03:53,304 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-16 04:03:53,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932668721] [2023-02-16 04:03:53,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-16 04:03:53,305 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-16 04:03:53,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:03:53,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-16 04:03:53,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-16 04:03:53,306 INFO L87 Difference]: Start difference. First operand 214 states and 286 transitions. Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:03:53,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:03:53,319 INFO L93 Difference]: Finished difference Result 332 states and 443 transitions. [2023-02-16 04:03:53,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-16 04:03:53,320 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2023-02-16 04:03:53,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:03:53,321 INFO L225 Difference]: With dead ends: 332 [2023-02-16 04:03:53,321 INFO L226 Difference]: Without dead ends: 214 [2023-02-16 04:03:53,322 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-16 04:03:53,322 INFO L413 NwaCegarLoop]: 120 mSDtfsCounter, 0 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 234 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-16 04:03:53,323 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 234 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-16 04:03:53,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2023-02-16 04:03:53,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 214. [2023-02-16 04:03:53,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 214 states, 212 states have (on average 1.3396226415094339) internal successors, (284), 213 states have internal predecessors, (284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:03:53,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 284 transitions. [2023-02-16 04:03:53,331 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 284 transitions. Word has length 74 [2023-02-16 04:03:53,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:03:53,332 INFO L495 AbstractCegarLoop]: Abstraction has 214 states and 284 transitions. [2023-02-16 04:03:53,332 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:03:53,332 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 284 transitions. [2023-02-16 04:03:53,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-02-16 04:03:53,333 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:03:53,333 INFO L195 NwaCegarLoop]: trace histogram [6, 5, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 04:03:53,333 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-02-16 04:03:53,333 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2023-02-16 04:03:53,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:03:53,334 INFO L85 PathProgramCache]: Analyzing trace with hash 1555202175, now seen corresponding path program 1 times [2023-02-16 04:03:53,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:03:53,334 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651575933] [2023-02-16 04:03:53,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:03:53,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:03:53,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:03:53,455 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 10 proven. 34 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-02-16 04:03:53,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:03:53,455 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651575933] [2023-02-16 04:03:53,455 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [651575933] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-16 04:03:53,455 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1351366772] [2023-02-16 04:03:53,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:03:53,456 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:03:53,456 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:03:53,457 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) [2023-02-16 04:03:53,460 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-02-16 04:03:53,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:03:53,558 INFO L263 TraceCheckSpWp]: Trace formula consists of 428 conjuncts, 6 conjunts are in the unsatisfiable core [2023-02-16 04:03:53,560 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:03:53,647 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 10 proven. 34 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-02-16 04:03:53,648 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-16 04:03:53,761 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 10 proven. 34 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-02-16 04:03:53,762 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1351366772] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-16 04:03:53,762 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-16 04:03:53,762 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2023-02-16 04:03:53,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817356453] [2023-02-16 04:03:53,762 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-16 04:03:53,763 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-02-16 04:03:53,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:03:53,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-02-16 04:03:53,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2023-02-16 04:03:53,764 INFO L87 Difference]: Start difference. First operand 214 states and 284 transitions. Second operand has 9 states, 8 states have (on average 17.75) internal successors, (142), 9 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:03:53,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:03:53,875 INFO L93 Difference]: Finished difference Result 592 states and 792 transitions. [2023-02-16 04:03:53,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-02-16 04:03:53,876 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 17.75) internal successors, (142), 9 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2023-02-16 04:03:53,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:03:53,878 INFO L225 Difference]: With dead ends: 592 [2023-02-16 04:03:53,879 INFO L226 Difference]: Without dead ends: 590 [2023-02-16 04:03:53,879 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 148 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2023-02-16 04:03:53,879 INFO L413 NwaCegarLoop]: 107 mSDtfsCounter, 664 mSDsluCounter, 591 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 664 SdHoareTripleChecker+Valid, 698 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-16 04:03:53,880 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [664 Valid, 698 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-16 04:03:53,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 590 states. [2023-02-16 04:03:53,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 590 to 590. [2023-02-16 04:03:53,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 590 states, 588 states have (on average 1.3333333333333333) internal successors, (784), 589 states have internal predecessors, (784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:03:53,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 590 states and 784 transitions. [2023-02-16 04:03:53,897 INFO L78 Accepts]: Start accepts. Automaton has 590 states and 784 transitions. Word has length 76 [2023-02-16 04:03:53,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:03:53,897 INFO L495 AbstractCegarLoop]: Abstraction has 590 states and 784 transitions. [2023-02-16 04:03:53,897 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 17.75) internal successors, (142), 9 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:03:53,898 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 784 transitions. [2023-02-16 04:03:53,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2023-02-16 04:03:53,899 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:03:53,899 INFO L195 NwaCegarLoop]: trace histogram [14, 13, 9, 9, 6, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 04:03:53,908 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-02-16 04:03:54,106 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,SelfDestructingSolverStorable13 [2023-02-16 04:03:54,106 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2023-02-16 04:03:54,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:03:54,107 INFO L85 PathProgramCache]: Analyzing trace with hash 126125921, now seen corresponding path program 2 times [2023-02-16 04:03:54,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:03:54,107 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493980734] [2023-02-16 04:03:54,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:03:54,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:03:54,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:03:54,674 INFO L134 CoverageAnalysis]: Checked inductivity of 482 backedges. 26 proven. 432 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-02-16 04:03:54,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:03:54,674 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493980734] [2023-02-16 04:03:54,674 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1493980734] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-16 04:03:54,675 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [731491738] [2023-02-16 04:03:54,675 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-02-16 04:03:54,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:03:54,675 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:03:54,677 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) [2023-02-16 04:03:54,701 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-02-16 04:03:54,866 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-02-16 04:03:54,867 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-16 04:03:54,871 INFO L263 TraceCheckSpWp]: Trace formula consists of 990 conjuncts, 14 conjunts are in the unsatisfiable core [2023-02-16 04:03:54,883 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:03:55,099 INFO L134 CoverageAnalysis]: Checked inductivity of 482 backedges. 26 proven. 432 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-02-16 04:03:55,099 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-16 04:03:55,376 INFO L134 CoverageAnalysis]: Checked inductivity of 482 backedges. 26 proven. 432 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-02-16 04:03:55,376 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [731491738] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-16 04:03:55,376 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-16 04:03:55,376 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 16 [2023-02-16 04:03:55,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455677062] [2023-02-16 04:03:55,377 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-16 04:03:55,377 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-02-16 04:03:55,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:03:55,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-02-16 04:03:55,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=136, Unknown=0, NotChecked=0, Total=272 [2023-02-16 04:03:55,379 INFO L87 Difference]: Start difference. First operand 590 states and 784 transitions. Second operand has 17 states, 16 states have (on average 22.375) internal successors, (358), 17 states have internal predecessors, (358), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:03:55,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:03:55,680 INFO L93 Difference]: Finished difference Result 1344 states and 1800 transitions. [2023-02-16 04:03:55,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-02-16 04:03:55,681 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 22.375) internal successors, (358), 17 states have internal predecessors, (358), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 196 [2023-02-16 04:03:55,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:03:55,686 INFO L225 Difference]: With dead ends: 1344 [2023-02-16 04:03:55,686 INFO L226 Difference]: Without dead ends: 1342 [2023-02-16 04:03:55,687 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 404 GetRequests, 388 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=136, Invalid=136, Unknown=0, NotChecked=0, Total=272 [2023-02-16 04:03:55,688 INFO L413 NwaCegarLoop]: 107 mSDtfsCounter, 1742 mSDsluCounter, 1377 mSDsCounter, 0 mSdLazyCounter, 190 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1742 SdHoareTripleChecker+Valid, 1484 SdHoareTripleChecker+Invalid, 229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-02-16 04:03:55,688 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1742 Valid, 1484 Invalid, 229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 190 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-02-16 04:03:55,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1342 states. [2023-02-16 04:03:55,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1342 to 1342. [2023-02-16 04:03:55,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1342 states, 1340 states have (on average 1.3313432835820895) internal successors, (1784), 1341 states have internal predecessors, (1784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:03:55,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1342 states to 1342 states and 1784 transitions. [2023-02-16 04:03:55,725 INFO L78 Accepts]: Start accepts. Automaton has 1342 states and 1784 transitions. Word has length 196 [2023-02-16 04:03:55,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:03:55,725 INFO L495 AbstractCegarLoop]: Abstraction has 1342 states and 1784 transitions. [2023-02-16 04:03:55,726 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 22.375) internal successors, (358), 17 states have internal predecessors, (358), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:03:55,726 INFO L276 IsEmpty]: Start isEmpty. Operand 1342 states and 1784 transitions. [2023-02-16 04:03:55,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 437 [2023-02-16 04:03:55,731 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:03:55,732 INFO L195 NwaCegarLoop]: trace histogram [30, 29, 21, 21, 14, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 04:03:55,750 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-02-16 04:03:55,950 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,SelfDestructingSolverStorable14 [2023-02-16 04:03:55,951 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2023-02-16 04:03:55,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:03:55,952 INFO L85 PathProgramCache]: Analyzing trace with hash -57394395, now seen corresponding path program 3 times [2023-02-16 04:03:55,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:03:55,952 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719217810] [2023-02-16 04:03:55,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:03:55,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:03:56,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:03:58,023 INFO L134 CoverageAnalysis]: Checked inductivity of 2662 backedges. 58 proven. 2548 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-02-16 04:03:58,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:03:58,024 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719217810] [2023-02-16 04:03:58,024 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [719217810] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-16 04:03:58,024 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1665585399] [2023-02-16 04:03:58,024 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-02-16 04:03:58,025 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:03:58,025 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:03:58,026 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) [2023-02-16 04:03:58,054 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-02-16 04:03:58,218 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2023-02-16 04:03:58,219 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-16 04:03:58,221 INFO L263 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 10 conjunts are in the unsatisfiable core [2023-02-16 04:03:58,225 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:03:58,331 INFO L134 CoverageAnalysis]: Checked inductivity of 2662 backedges. 350 proven. 0 refuted. 0 times theorem prover too weak. 2312 trivial. 0 not checked. [2023-02-16 04:03:58,331 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-02-16 04:03:58,331 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1665585399] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-16 04:03:58,331 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-02-16 04:03:58,332 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [16] total 19 [2023-02-16 04:03:58,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951459977] [2023-02-16 04:03:58,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-16 04:03:58,333 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-02-16 04:03:58,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:03:58,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-02-16 04:03:58,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=160, Invalid=220, Unknown=0, NotChecked=0, Total=380 [2023-02-16 04:03:58,334 INFO L87 Difference]: Start difference. First operand 1342 states and 1784 transitions. Second operand has 5 states, 4 states have (on average 21.25) internal successors, (85), 5 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:03:58,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:03:58,437 INFO L93 Difference]: Finished difference Result 1370 states and 1812 transitions. [2023-02-16 04:03:58,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-02-16 04:03:58,437 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.25) internal successors, (85), 5 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 436 [2023-02-16 04:03:58,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:03:58,443 INFO L225 Difference]: With dead ends: 1370 [2023-02-16 04:03:58,443 INFO L226 Difference]: Without dead ends: 1369 [2023-02-16 04:03:58,444 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 466 GetRequests, 447 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=165, Invalid=255, Unknown=0, NotChecked=0, Total=420 [2023-02-16 04:03:58,445 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 132 mSDsluCounter, 168 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 274 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-16 04:03:58,445 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 274 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-16 04:03:58,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1369 states. [2023-02-16 04:03:58,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1369 to 1292. [2023-02-16 04:03:58,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1292 states, 1291 states have (on average 1.3315259488768396) internal successors, (1719), 1291 states have internal predecessors, (1719), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:03:58,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1292 states to 1292 states and 1719 transitions. [2023-02-16 04:03:58,484 INFO L78 Accepts]: Start accepts. Automaton has 1292 states and 1719 transitions. Word has length 436 [2023-02-16 04:03:58,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:03:58,485 INFO L495 AbstractCegarLoop]: Abstraction has 1292 states and 1719 transitions. [2023-02-16 04:03:58,485 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.25) internal successors, (85), 5 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:03:58,485 INFO L276 IsEmpty]: Start isEmpty. Operand 1292 states and 1719 transitions. [2023-02-16 04:03:58,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 451 [2023-02-16 04:03:58,492 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:03:58,492 INFO L195 NwaCegarLoop]: trace histogram [31, 30, 22, 22, 14, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 04:03:58,503 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-02-16 04:03:58,699 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:03:58,700 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2023-02-16 04:03:58,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:03:58,700 INFO L85 PathProgramCache]: Analyzing trace with hash 1665563425, now seen corresponding path program 1 times [2023-02-16 04:03:58,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:03:58,701 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320563786] [2023-02-16 04:03:58,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:03:58,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:03:58,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:03:58,973 INFO L134 CoverageAnalysis]: Checked inductivity of 2858 backedges. 728 proven. 0 refuted. 0 times theorem prover too weak. 2130 trivial. 0 not checked. [2023-02-16 04:03:58,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:03:58,974 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [320563786] [2023-02-16 04:03:58,974 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [320563786] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-16 04:03:58,974 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-16 04:03:58,974 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-16 04:03:58,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531222168] [2023-02-16 04:03:58,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-16 04:03:58,976 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-16 04:03:58,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:03:58,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-16 04:03:58,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-16 04:03:58,977 INFO L87 Difference]: Start difference. First operand 1292 states and 1719 transitions. Second operand has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:03:59,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:03:59,025 INFO L93 Difference]: Finished difference Result 1958 states and 2603 transitions. [2023-02-16 04:03:59,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-16 04:03:59,026 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 450 [2023-02-16 04:03:59,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:03:59,029 INFO L225 Difference]: With dead ends: 1958 [2023-02-16 04:03:59,029 INFO L226 Difference]: Without dead ends: 717 [2023-02-16 04:03:59,030 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-16 04:03:59,031 INFO L413 NwaCegarLoop]: 117 mSDtfsCounter, 20 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 197 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-16 04:03:59,031 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 197 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-16 04:03:59,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 717 states. [2023-02-16 04:03:59,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 717 to 717. [2023-02-16 04:03:59,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 717 states, 716 states have (on average 1.3156424581005586) internal successors, (942), 716 states have internal predecessors, (942), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:03:59,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 717 states to 717 states and 942 transitions. [2023-02-16 04:03:59,053 INFO L78 Accepts]: Start accepts. Automaton has 717 states and 942 transitions. Word has length 450 [2023-02-16 04:03:59,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:03:59,053 INFO L495 AbstractCegarLoop]: Abstraction has 717 states and 942 transitions. [2023-02-16 04:03:59,053 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:03:59,054 INFO L276 IsEmpty]: Start isEmpty. Operand 717 states and 942 transitions. [2023-02-16 04:03:59,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 467 [2023-02-16 04:03:59,060 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:03:59,060 INFO L195 NwaCegarLoop]: trace histogram [32, 31, 23, 23, 15, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 04:03:59,060 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-02-16 04:03:59,060 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2023-02-16 04:03:59,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:03:59,061 INFO L85 PathProgramCache]: Analyzing trace with hash -1346464157, now seen corresponding path program 2 times [2023-02-16 04:03:59,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:03:59,061 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231970706] [2023-02-16 04:03:59,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:03:59,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:03:59,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:04:00,957 INFO L134 CoverageAnalysis]: Checked inductivity of 3076 backedges. 62 proven. 2953 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2023-02-16 04:04:00,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:04:00,957 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1231970706] [2023-02-16 04:04:00,957 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1231970706] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-16 04:04:00,957 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [653872060] [2023-02-16 04:04:00,958 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-02-16 04:04:00,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:04:00,958 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:04:00,961 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-16 04:04:00,986 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-02-16 04:04:01,340 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-02-16 04:04:01,340 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-16 04:04:01,351 INFO L263 TraceCheckSpWp]: Trace formula consists of 2253 conjuncts, 32 conjunts are in the unsatisfiable core [2023-02-16 04:04:01,357 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:04:01,880 INFO L134 CoverageAnalysis]: Checked inductivity of 3076 backedges. 62 proven. 2953 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2023-02-16 04:04:01,881 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-16 04:04:02,860 INFO L134 CoverageAnalysis]: Checked inductivity of 3076 backedges. 62 proven. 2953 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2023-02-16 04:04:02,861 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [653872060] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-16 04:04:02,861 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-16 04:04:02,861 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 34 [2023-02-16 04:04:02,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441850010] [2023-02-16 04:04:02,861 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-16 04:04:02,863 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2023-02-16 04:04:02,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:04:02,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2023-02-16 04:04:02,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=595, Invalid=595, Unknown=0, NotChecked=0, Total=1190 [2023-02-16 04:04:02,865 INFO L87 Difference]: Start difference. First operand 717 states and 942 transitions. Second operand has 35 states, 34 states have (on average 24.764705882352942) internal successors, (842), 35 states have internal predecessors, (842), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:04:03,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:04:03,372 INFO L93 Difference]: Finished difference Result 1546 states and 2040 transitions. [2023-02-16 04:04:03,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2023-02-16 04:04:03,373 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 34 states have (on average 24.764705882352942) internal successors, (842), 35 states have internal predecessors, (842), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 466 [2023-02-16 04:04:03,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:04:03,379 INFO L225 Difference]: With dead ends: 1546 [2023-02-16 04:04:03,379 INFO L226 Difference]: Without dead ends: 1545 [2023-02-16 04:04:03,380 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 962 GetRequests, 928 SyntacticMatches, 1 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=595, Invalid=595, Unknown=0, NotChecked=0, Total=1190 [2023-02-16 04:04:03,380 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 2519 mSDsluCounter, 2500 mSDsCounter, 0 mSdLazyCounter, 319 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2519 SdHoareTripleChecker+Valid, 2606 SdHoareTripleChecker+Invalid, 325 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 319 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-02-16 04:04:03,381 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2519 Valid, 2606 Invalid, 325 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 319 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-02-16 04:04:03,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1545 states. [2023-02-16 04:04:03,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1545 to 1545. [2023-02-16 04:04:03,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1545 states, 1544 states have (on average 1.3154145077720207) internal successors, (2031), 1544 states have internal predecessors, (2031), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:04:03,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1545 states to 1545 states and 2031 transitions. [2023-02-16 04:04:03,419 INFO L78 Accepts]: Start accepts. Automaton has 1545 states and 2031 transitions. Word has length 466 [2023-02-16 04:04:03,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:04:03,419 INFO L495 AbstractCegarLoop]: Abstraction has 1545 states and 2031 transitions. [2023-02-16 04:04:03,420 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 34 states have (on average 24.764705882352942) internal successors, (842), 35 states have internal predecessors, (842), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:04:03,420 INFO L276 IsEmpty]: Start isEmpty. Operand 1545 states and 2031 transitions. [2023-02-16 04:04:03,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1007 [2023-02-16 04:04:03,445 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:04:03,445 INFO L195 NwaCegarLoop]: trace histogram [68, 67, 50, 50, 33, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 04:04:03,456 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-02-16 04:04:03,656 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-02-16 04:04:03,656 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2023-02-16 04:04:03,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:04:03,657 INFO L85 PathProgramCache]: Analyzing trace with hash -229520804, now seen corresponding path program 3 times [2023-02-16 04:04:03,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:04:03,657 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055480836] [2023-02-16 04:04:03,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:04:03,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:04:04,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:04:10,644 INFO L134 CoverageAnalysis]: Checked inductivity of 14929 backedges. 134 proven. 14662 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2023-02-16 04:04:10,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:04:10,644 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055480836] [2023-02-16 04:04:10,644 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2055480836] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-16 04:04:10,645 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1768393583] [2023-02-16 04:04:10,645 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-02-16 04:04:10,645 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:04:10,645 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:04:10,649 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-16 04:04:10,673 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-02-16 04:04:11,784 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 28 check-sat command(s) [2023-02-16 04:04:11,784 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-16 04:04:11,805 INFO L263 TraceCheckSpWp]: Trace formula consists of 4782 conjuncts, 68 conjunts are in the unsatisfiable core [2023-02-16 04:04:11,817 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:04:12,956 INFO L134 CoverageAnalysis]: Checked inductivity of 14929 backedges. 134 proven. 14662 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2023-02-16 04:04:12,956 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-16 04:04:15,288 INFO L134 CoverageAnalysis]: Checked inductivity of 14929 backedges. 134 proven. 14662 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2023-02-16 04:04:15,292 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1768393583] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-16 04:04:15,293 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-16 04:04:15,293 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 35, 35] total 70 [2023-02-16 04:04:15,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116999725] [2023-02-16 04:04:15,295 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-16 04:04:15,299 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 71 states [2023-02-16 04:04:15,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:04:15,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2023-02-16 04:04:15,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2485, Invalid=2485, Unknown=0, NotChecked=0, Total=4970 [2023-02-16 04:04:15,305 INFO L87 Difference]: Start difference. First operand 1545 states and 2031 transitions. Second operand has 71 states, 70 states have (on average 25.914285714285715) internal successors, (1814), 71 states have internal predecessors, (1814), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:04:17,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:04:17,861 INFO L93 Difference]: Finished difference Result 3202 states and 4227 transitions. [2023-02-16 04:04:17,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2023-02-16 04:04:17,862 INFO L78 Accepts]: Start accepts. Automaton has has 71 states, 70 states have (on average 25.914285714285715) internal successors, (1814), 71 states have internal predecessors, (1814), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1006 [2023-02-16 04:04:17,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:04:17,875 INFO L225 Difference]: With dead ends: 3202 [2023-02-16 04:04:17,875 INFO L226 Difference]: Without dead ends: 3201 [2023-02-16 04:04:17,877 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2078 GetRequests, 2008 SyntacticMatches, 1 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 134 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=2485, Invalid=2485, Unknown=0, NotChecked=0, Total=4970 [2023-02-16 04:04:17,878 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 5642 mSDsluCounter, 5375 mSDsCounter, 0 mSdLazyCounter, 671 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5642 SdHoareTripleChecker+Valid, 5481 SdHoareTripleChecker+Invalid, 679 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 671 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-02-16 04:04:17,878 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5642 Valid, 5481 Invalid, 679 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 671 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-02-16 04:04:17,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3201 states. [2023-02-16 04:04:17,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3201 to 3201. [2023-02-16 04:04:17,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3201 states, 3200 states have (on average 1.3153125) internal successors, (4209), 3200 states have internal predecessors, (4209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:04:17,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3201 states to 3201 states and 4209 transitions. [2023-02-16 04:04:17,951 INFO L78 Accepts]: Start accepts. Automaton has 3201 states and 4209 transitions. Word has length 1006 [2023-02-16 04:04:17,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:04:17,953 INFO L495 AbstractCegarLoop]: Abstraction has 3201 states and 4209 transitions. [2023-02-16 04:04:17,954 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 71 states, 70 states have (on average 25.914285714285715) internal successors, (1814), 71 states have internal predecessors, (1814), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:04:17,954 INFO L276 IsEmpty]: Start isEmpty. Operand 3201 states and 4209 transitions. [2023-02-16 04:04:17,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2087 [2023-02-16 04:04:17,977 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:04:17,978 INFO L195 NwaCegarLoop]: trace histogram [140, 139, 104, 104, 69, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 04:04:17,990 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-02-16 04:04:18,178 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:04:18,179 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2023-02-16 04:04:18,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:04:18,180 INFO L85 PathProgramCache]: Analyzing trace with hash -1582042162, now seen corresponding path program 4 times [2023-02-16 04:04:18,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:04:18,180 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482626495] [2023-02-16 04:04:18,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:04:18,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:04:19,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:04:46,303 INFO L134 CoverageAnalysis]: Checked inductivity of 65365 backedges. 278 proven. 64810 refuted. 0 times theorem prover too weak. 277 trivial. 0 not checked. [2023-02-16 04:04:46,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:04:46,303 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482626495] [2023-02-16 04:04:46,303 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1482626495] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-16 04:04:46,304 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [772319007] [2023-02-16 04:04:46,304 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-02-16 04:04:46,304 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:04:46,304 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:04:46,313 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-16 04:04:46,316 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-02-16 04:04:47,698 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-02-16 04:04:47,698 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-16 04:04:47,742 INFO L263 TraceCheckSpWp]: Trace formula consists of 9840 conjuncts, 140 conjunts are in the unsatisfiable core [2023-02-16 04:04:47,767 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:04:49,819 INFO L134 CoverageAnalysis]: Checked inductivity of 65365 backedges. 278 proven. 64810 refuted. 0 times theorem prover too weak. 277 trivial. 0 not checked. [2023-02-16 04:04:49,820 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-16 04:04:56,735 INFO L134 CoverageAnalysis]: Checked inductivity of 65365 backedges. 278 proven. 64810 refuted. 0 times theorem prover too weak. 277 trivial. 0 not checked. [2023-02-16 04:04:56,736 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [772319007] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-16 04:04:56,736 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-16 04:04:56,737 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [71, 71, 71] total 142 [2023-02-16 04:04:56,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24647756] [2023-02-16 04:04:56,737 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-16 04:04:56,741 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 143 states [2023-02-16 04:04:56,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:04:56,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 143 interpolants. [2023-02-16 04:04:56,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10153, Invalid=10153, Unknown=0, NotChecked=0, Total=20306 [2023-02-16 04:04:56,756 INFO L87 Difference]: Start difference. First operand 3201 states and 4209 transitions. Second operand has 143 states, 142 states have (on average 26.464788732394368) internal successors, (3758), 143 states have internal predecessors, (3758), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:05:15,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:05:15,392 INFO L93 Difference]: Finished difference Result 6514 states and 8601 transitions. [2023-02-16 04:05:15,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 142 states. [2023-02-16 04:05:15,394 INFO L78 Accepts]: Start accepts. Automaton has has 143 states, 142 states have (on average 26.464788732394368) internal successors, (3758), 143 states have internal predecessors, (3758), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 2086 [2023-02-16 04:05:15,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:05:15,415 INFO L225 Difference]: With dead ends: 6514 [2023-02-16 04:05:15,415 INFO L226 Difference]: Without dead ends: 6513 [2023-02-16 04:05:15,421 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4310 GetRequests, 4168 SyntacticMatches, 1 SemanticMatches, 141 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 278 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=10153, Invalid=10153, Unknown=0, NotChecked=0, Total=20306 [2023-02-16 04:05:15,422 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 17774 mSDsluCounter, 10369 mSDsCounter, 0 mSdLazyCounter, 1266 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17774 SdHoareTripleChecker+Valid, 10475 SdHoareTripleChecker+Invalid, 1275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1266 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-02-16 04:05:15,422 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17774 Valid, 10475 Invalid, 1275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1266 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-02-16 04:05:15,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6513 states. [2023-02-16 04:05:15,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6513 to 6513. [2023-02-16 04:05:15,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6513 states, 6512 states have (on average 1.3152641277641277) internal successors, (8565), 6512 states have internal predecessors, (8565), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:05:15,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6513 states to 6513 states and 8565 transitions. [2023-02-16 04:05:15,578 INFO L78 Accepts]: Start accepts. Automaton has 6513 states and 8565 transitions. Word has length 2086 [2023-02-16 04:05:15,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:05:15,580 INFO L495 AbstractCegarLoop]: Abstraction has 6513 states and 8565 transitions. [2023-02-16 04:05:15,582 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 143 states, 142 states have (on average 26.464788732394368) internal successors, (3758), 143 states have internal predecessors, (3758), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:05:15,582 INFO L276 IsEmpty]: Start isEmpty. Operand 6513 states and 8565 transitions. [2023-02-16 04:05:15,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4247 [2023-02-16 04:05:15,673 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:05:15,675 INFO L195 NwaCegarLoop]: trace histogram [284, 283, 212, 212, 141, 71, 71, 71, 71, 71, 71, 71, 71, 71, 71, 71, 71, 71, 71, 71, 71, 71, 71, 71, 71, 71, 71, 71, 71, 71, 71, 70, 70, 70, 70, 70, 70, 70, 70, 70, 70, 70, 70, 70, 70, 70, 70, 70, 70, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 04:05:15,695 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-02-16 04:05:15,891 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:05:15,891 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2023-02-16 04:05:15,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:05:15,892 INFO L85 PathProgramCache]: Analyzing trace with hash 499535026, now seen corresponding path program 5 times [2023-02-16 04:05:15,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:05:15,892 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65612590] [2023-02-16 04:05:15,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:05:15,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:05:18,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:07:57,267 INFO L134 CoverageAnalysis]: Checked inductivity of 273157 backedges. 566 proven. 272026 refuted. 0 times theorem prover too weak. 565 trivial. 0 not checked. [2023-02-16 04:07:57,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:07:57,268 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [65612590] [2023-02-16 04:07:57,268 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [65612590] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-16 04:07:57,268 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1500223929] [2023-02-16 04:07:57,268 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-02-16 04:07:57,268 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:07:57,268 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:07:57,270 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-16 04:07:57,272 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process