./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/termination-restricted-15/a.06.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version e8d55036 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/termination-restricted-15/a.06.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-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 64bit --witnessprinter.graph.data.programhash 90244b6c2e1b1f029f80e9cfc86fb57c09347d52a85284d5d619fffbbf31f641 --- Real Ultimate output --- This is Ultimate 0.2.2-?-e8d5503-m [2023-02-15 23:06:15,755 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-15 23:06:15,756 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-15 23:06:15,775 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-15 23:06:15,777 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-15 23:06:15,779 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-15 23:06:15,780 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-15 23:06:15,784 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-15 23:06:15,785 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-15 23:06:15,789 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-15 23:06:15,790 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-15 23:06:15,791 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-15 23:06:15,791 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-15 23:06:15,794 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-15 23:06:15,796 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-15 23:06:15,797 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-15 23:06:15,797 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-15 23:06:15,798 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-15 23:06:15,799 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-15 23:06:15,803 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-15 23:06:15,804 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-15 23:06:15,805 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-15 23:06:15,806 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-15 23:06:15,806 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-15 23:06:15,812 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-15 23:06:15,812 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-15 23:06:15,813 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-15 23:06:15,813 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-15 23:06:15,814 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-15 23:06:15,815 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-15 23:06:15,816 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-15 23:06:15,816 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-15 23:06:15,817 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-15 23:06:15,818 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-15 23:06:15,818 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-15 23:06:15,818 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-15 23:06:15,819 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-15 23:06:15,819 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-15 23:06:15,819 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-15 23:06:15,820 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-15 23:06:15,821 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-15 23:06:15,821 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-02-15 23:06:15,878 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-15 23:06:15,878 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-15 23:06:15,879 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-15 23:06:15,879 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-15 23:06:15,879 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-15 23:06:15,880 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-15 23:06:15,880 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-15 23:06:15,881 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-15 23:06:15,881 INFO L138 SettingsManager]: * Use SBE=true [2023-02-15 23:06:15,881 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-15 23:06:15,882 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-02-15 23:06:15,882 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-15 23:06:15,882 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-15 23:06:15,882 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-02-15 23:06:15,882 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-15 23:06:15,882 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-02-15 23:06:15,882 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-02-15 23:06:15,883 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-15 23:06:15,883 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-15 23:06:15,883 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-02-15 23:06:15,883 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-15 23:06:15,883 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-15 23:06:15,883 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-15 23:06:15,883 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-15 23:06:15,884 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-15 23:06:15,884 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-15 23:06:15,884 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-02-15 23:06:15,884 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-15 23:06:15,884 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-02-15 23:06:15,884 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-15 23:06:15,884 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-02-15 23:06:15,885 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-15 23:06:15,885 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-15 23:06:15,885 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-15 23:06:15,885 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 90244b6c2e1b1f029f80e9cfc86fb57c09347d52a85284d5d619fffbbf31f641 [2023-02-15 23:06:16,088 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-15 23:06:16,113 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-15 23:06:16,115 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-15 23:06:16,115 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-15 23:06:16,117 INFO L275 PluginConnector]: CDTParser initialized [2023-02-15 23:06:16,118 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-restricted-15/a.06.c [2023-02-15 23:06:17,036 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-15 23:06:17,209 INFO L351 CDTParser]: Found 1 translation units. [2023-02-15 23:06:17,209 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-restricted-15/a.06.c [2023-02-15 23:06:17,213 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de5ebac62/68669245b6a748ed8ee03707945b8cdb/FLAG7f9c19f48 [2023-02-15 23:06:17,221 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de5ebac62/68669245b6a748ed8ee03707945b8cdb [2023-02-15 23:06:17,223 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-15 23:06:17,224 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-15 23:06:17,225 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-15 23:06:17,225 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-15 23:06:17,227 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-15 23:06:17,227 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 11:06:17" (1/1) ... [2023-02-15 23:06:17,228 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4780cbb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:06:17, skipping insertion in model container [2023-02-15 23:06:17,228 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 11:06:17" (1/1) ... [2023-02-15 23:06:17,233 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-15 23:06:17,240 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-15 23:06:17,322 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-15 23:06:17,325 INFO L203 MainTranslator]: Completed pre-run [2023-02-15 23:06:17,336 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-15 23:06:17,343 INFO L208 MainTranslator]: Completed translation [2023-02-15 23:06:17,344 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:06:17 WrapperNode [2023-02-15 23:06:17,344 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-15 23:06:17,345 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-15 23:06:17,345 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-15 23:06:17,345 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-15 23:06:17,350 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:06:17" (1/1) ... [2023-02-15 23:06:17,352 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:06:17" (1/1) ... [2023-02-15 23:06:17,364 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 54 [2023-02-15 23:06:17,365 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-15 23:06:17,366 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-15 23:06:17,366 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-15 23:06:17,367 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-15 23:06:17,373 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:06:17" (1/1) ... [2023-02-15 23:06:17,373 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:06:17" (1/1) ... [2023-02-15 23:06:17,374 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:06:17" (1/1) ... [2023-02-15 23:06:17,374 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:06:17" (1/1) ... [2023-02-15 23:06:17,380 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:06:17" (1/1) ... [2023-02-15 23:06:17,383 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:06:17" (1/1) ... [2023-02-15 23:06:17,387 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:06:17" (1/1) ... [2023-02-15 23:06:17,388 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:06:17" (1/1) ... [2023-02-15 23:06:17,390 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-15 23:06:17,391 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-15 23:06:17,391 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-15 23:06:17,391 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-15 23:06:17,392 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:06:17" (1/1) ... [2023-02-15 23:06:17,395 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-15 23:06:17,401 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 23:06:17,411 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-02-15 23:06:17,421 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-02-15 23:06:17,438 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-15 23:06:17,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-15 23:06:17,482 INFO L235 CfgBuilder]: Building ICFG [2023-02-15 23:06:17,484 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-15 23:06:17,603 INFO L276 CfgBuilder]: Performing block encoding [2023-02-15 23:06:17,608 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-15 23:06:17,608 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2023-02-15 23:06:17,609 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 11:06:17 BoogieIcfgContainer [2023-02-15 23:06:17,612 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-15 23:06:17,614 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-02-15 23:06:17,614 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-02-15 23:06:17,618 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-02-15 23:06:17,618 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.02 11:06:17" (1/3) ... [2023-02-15 23:06:17,618 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77d3bd36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 11:06:17, skipping insertion in model container [2023-02-15 23:06:17,619 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:06:17" (2/3) ... [2023-02-15 23:06:17,620 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77d3bd36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 11:06:17, skipping insertion in model container [2023-02-15 23:06:17,620 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 11:06:17" (3/3) ... [2023-02-15 23:06:17,622 INFO L112 eAbstractionObserver]: Analyzing ICFG a.06.c [2023-02-15 23:06:17,642 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-02-15 23:06:17,647 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2023-02-15 23:06:17,701 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-02-15 23:06:17,719 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;@163f2df2, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-02-15 23:06:17,719 INFO L358 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2023-02-15 23:06:17,727 INFO L276 IsEmpty]: Start isEmpty. Operand has 35 states, 24 states have (on average 1.6666666666666667) internal successors, (40), 34 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 23:06:17,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-02-15 23:06:17,732 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 23:06:17,732 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2023-02-15 23:06:17,733 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-15 23:06:17,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 23:06:17,738 INFO L85 PathProgramCache]: Analyzing trace with hash 28695781, now seen corresponding path program 1 times [2023-02-15 23:06:17,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 23:06:17,744 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678210923] [2023-02-15 23:06:17,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 23:06:17,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 23:06:17,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:06:17,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 23:06:17,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 23:06:17,891 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [678210923] [2023-02-15 23:06:17,892 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [678210923] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 23:06:17,892 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 23:06:17,892 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-02-15 23:06:17,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294326686] [2023-02-15 23:06:17,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 23:06:17,896 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-15 23:06:17,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 23:06:17,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-15 23:06:17,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 23:06:17,923 INFO L87 Difference]: Start difference. First operand has 35 states, 24 states have (on average 1.6666666666666667) internal successors, (40), 34 states have internal predecessors, (40), 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, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 23:06:18,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 23:06:18,000 INFO L93 Difference]: Finished difference Result 39 states and 43 transitions. [2023-02-15 23:06:18,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-15 23:06:18,002 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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 5 [2023-02-15 23:06:18,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 23:06:18,007 INFO L225 Difference]: With dead ends: 39 [2023-02-15 23:06:18,007 INFO L226 Difference]: Without dead ends: 29 [2023-02-15 23:06:18,009 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 [2023-02-15 23:06:18,011 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 32 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-15 23:06:18,012 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 20 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-15 23:06:18,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2023-02-15 23:06:18,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2023-02-15 23:06:18,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 21 states have (on average 1.5714285714285714) internal successors, (33), 28 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 23:06:18,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 33 transitions. [2023-02-15 23:06:18,030 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 33 transitions. Word has length 5 [2023-02-15 23:06:18,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 23:06:18,031 INFO L495 AbstractCegarLoop]: Abstraction has 29 states and 33 transitions. [2023-02-15 23:06:18,031 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 23:06:18,031 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 33 transitions. [2023-02-15 23:06:18,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-02-15 23:06:18,031 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 23:06:18,031 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-02-15 23:06:18,032 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-02-15 23:06:18,032 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-15 23:06:18,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 23:06:18,033 INFO L85 PathProgramCache]: Analyzing trace with hash 889569255, now seen corresponding path program 1 times [2023-02-15 23:06:18,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 23:06:18,033 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978276095] [2023-02-15 23:06:18,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 23:06:18,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 23:06:18,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:06:18,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 23:06:18,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 23:06:18,068 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1978276095] [2023-02-15 23:06:18,068 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1978276095] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 23:06:18,068 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 23:06:18,068 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-15 23:06:18,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471884405] [2023-02-15 23:06:18,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 23:06:18,069 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-15 23:06:18,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 23:06:18,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-15 23:06:18,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-02-15 23:06:18,070 INFO L87 Difference]: Start difference. First operand 29 states and 33 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 23:06:18,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 23:06:18,134 INFO L93 Difference]: Finished difference Result 52 states and 61 transitions. [2023-02-15 23:06:18,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-15 23:06:18,134 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 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 6 [2023-02-15 23:06:18,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 23:06:18,135 INFO L225 Difference]: With dead ends: 52 [2023-02-15 23:06:18,135 INFO L226 Difference]: Without dead ends: 49 [2023-02-15 23:06:18,136 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-02-15 23:06:18,137 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 48 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-15 23:06:18,137 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 44 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-15 23:06:18,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2023-02-15 23:06:18,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 45. [2023-02-15 23:06:18,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 38 states have (on average 1.5263157894736843) internal successors, (58), 44 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 23:06:18,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 58 transitions. [2023-02-15 23:06:18,142 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 58 transitions. Word has length 6 [2023-02-15 23:06:18,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 23:06:18,142 INFO L495 AbstractCegarLoop]: Abstraction has 45 states and 58 transitions. [2023-02-15 23:06:18,143 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 23:06:18,143 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 58 transitions. [2023-02-15 23:06:18,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-02-15 23:06:18,143 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 23:06:18,143 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 23:06:18,143 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-02-15 23:06:18,144 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-15 23:06:18,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 23:06:18,144 INFO L85 PathProgramCache]: Analyzing trace with hash 1387049590, now seen corresponding path program 1 times [2023-02-15 23:06:18,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 23:06:18,145 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927546295] [2023-02-15 23:06:18,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 23:06:18,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 23:06:18,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:06:18,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 23:06:18,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 23:06:18,179 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927546295] [2023-02-15 23:06:18,179 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1927546295] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 23:06:18,179 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 23:06:18,179 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-02-15 23:06:18,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552190791] [2023-02-15 23:06:18,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 23:06:18,180 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-15 23:06:18,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 23:06:18,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-15 23:06:18,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-15 23:06:18,181 INFO L87 Difference]: Start difference. First operand 45 states and 58 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 23:06:18,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 23:06:18,200 INFO L93 Difference]: Finished difference Result 101 states and 130 transitions. [2023-02-15 23:06:18,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-02-15 23:06:18,201 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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 9 [2023-02-15 23:06:18,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 23:06:18,202 INFO L225 Difference]: With dead ends: 101 [2023-02-15 23:06:18,202 INFO L226 Difference]: Without dead ends: 58 [2023-02-15 23:06:18,202 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-02-15 23:06:18,203 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 25 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-15 23:06:18,203 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 74 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-15 23:06:18,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2023-02-15 23:06:18,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 47. [2023-02-15 23:06:18,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 40 states have (on average 1.475) internal successors, (59), 46 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 23:06:18,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 59 transitions. [2023-02-15 23:06:18,208 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 59 transitions. Word has length 9 [2023-02-15 23:06:18,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 23:06:18,208 INFO L495 AbstractCegarLoop]: Abstraction has 47 states and 59 transitions. [2023-02-15 23:06:18,208 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 23:06:18,209 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 59 transitions. [2023-02-15 23:06:18,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-02-15 23:06:18,209 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 23:06:18,209 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 23:06:18,209 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-02-15 23:06:18,210 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-15 23:06:18,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 23:06:18,210 INFO L85 PathProgramCache]: Analyzing trace with hash 1387099210, now seen corresponding path program 1 times [2023-02-15 23:06:18,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 23:06:18,210 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677083596] [2023-02-15 23:06:18,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 23:06:18,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 23:06:18,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:06:18,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 23:06:18,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 23:06:18,252 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677083596] [2023-02-15 23:06:18,252 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [677083596] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 23:06:18,252 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 23:06:18,252 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-02-15 23:06:18,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009741545] [2023-02-15 23:06:18,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 23:06:18,253 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-15 23:06:18,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 23:06:18,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-15 23:06:18,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 23:06:18,254 INFO L87 Difference]: Start difference. First operand 47 states and 59 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 23:06:18,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 23:06:18,269 INFO L93 Difference]: Finished difference Result 47 states and 59 transitions. [2023-02-15 23:06:18,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-15 23:06:18,269 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 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 9 [2023-02-15 23:06:18,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 23:06:18,270 INFO L225 Difference]: With dead ends: 47 [2023-02-15 23:06:18,270 INFO L226 Difference]: Without dead ends: 45 [2023-02-15 23:06:18,270 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 [2023-02-15 23:06:18,271 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 21 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-15 23:06:18,272 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 17 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-15 23:06:18,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2023-02-15 23:06:18,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 28. [2023-02-15 23:06:18,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 23 states have (on average 1.391304347826087) internal successors, (32), 27 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 23:06:18,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 32 transitions. [2023-02-15 23:06:18,278 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 32 transitions. Word has length 9 [2023-02-15 23:06:18,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 23:06:18,278 INFO L495 AbstractCegarLoop]: Abstraction has 28 states and 32 transitions. [2023-02-15 23:06:18,278 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 23:06:18,278 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2023-02-15 23:06:18,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-02-15 23:06:18,279 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 23:06:18,279 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 23:06:18,279 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-02-15 23:06:18,279 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-15 23:06:18,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 23:06:18,280 INFO L85 PathProgramCache]: Analyzing trace with hash 1568206898, now seen corresponding path program 1 times [2023-02-15 23:06:18,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 23:06:18,280 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046229655] [2023-02-15 23:06:18,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 23:06:18,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 23:06:18,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:06:18,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 23:06:18,357 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 23:06:18,357 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2046229655] [2023-02-15 23:06:18,357 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2046229655] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 23:06:18,357 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 23:06:18,357 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-02-15 23:06:18,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712633655] [2023-02-15 23:06:18,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 23:06:18,358 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-02-15 23:06:18,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 23:06:18,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-02-15 23:06:18,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-02-15 23:06:18,359 INFO L87 Difference]: Start difference. First operand 28 states and 32 transitions. Second operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 23:06:18,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 23:06:18,398 INFO L93 Difference]: Finished difference Result 67 states and 78 transitions. [2023-02-15 23:06:18,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-02-15 23:06:18,399 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 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 11 [2023-02-15 23:06:18,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 23:06:18,399 INFO L225 Difference]: With dead ends: 67 [2023-02-15 23:06:18,399 INFO L226 Difference]: Without dead ends: 41 [2023-02-15 23:06:18,400 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-02-15 23:06:18,406 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 33 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-15 23:06:18,406 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 58 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-15 23:06:18,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2023-02-15 23:06:18,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 39. [2023-02-15 23:06:18,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 34 states have (on average 1.3529411764705883) internal successors, (46), 38 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 23:06:18,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 46 transitions. [2023-02-15 23:06:18,410 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 46 transitions. Word has length 11 [2023-02-15 23:06:18,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 23:06:18,410 INFO L495 AbstractCegarLoop]: Abstraction has 39 states and 46 transitions. [2023-02-15 23:06:18,410 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 23:06:18,410 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 46 transitions. [2023-02-15 23:06:18,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-02-15 23:06:18,410 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 23:06:18,410 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 23:06:18,411 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-02-15 23:06:18,414 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-15 23:06:18,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 23:06:18,415 INFO L85 PathProgramCache]: Analyzing trace with hash -1599754246, now seen corresponding path program 1 times [2023-02-15 23:06:18,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 23:06:18,415 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1579822572] [2023-02-15 23:06:18,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 23:06:18,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 23:06:18,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:06:18,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 23:06:18,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 23:06:18,462 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1579822572] [2023-02-15 23:06:18,462 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1579822572] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 23:06:18,462 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 23:06:18,462 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-15 23:06:18,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079609325] [2023-02-15 23:06:18,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 23:06:18,463 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-15 23:06:18,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 23:06:18,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-15 23:06:18,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-15 23:06:18,467 INFO L87 Difference]: Start difference. First operand 39 states and 46 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 23:06:18,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 23:06:18,530 INFO L93 Difference]: Finished difference Result 59 states and 69 transitions. [2023-02-15 23:06:18,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-15 23:06:18,531 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 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 11 [2023-02-15 23:06:18,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 23:06:18,531 INFO L225 Difference]: With dead ends: 59 [2023-02-15 23:06:18,531 INFO L226 Difference]: Without dead ends: 57 [2023-02-15 23:06:18,531 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-02-15 23:06:18,533 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 51 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-15 23:06:18,533 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 31 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-15 23:06:18,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2023-02-15 23:06:18,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 54. [2023-02-15 23:06:18,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 50 states have (on average 1.26) internal successors, (63), 53 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 23:06:18,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 63 transitions. [2023-02-15 23:06:18,537 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 63 transitions. Word has length 11 [2023-02-15 23:06:18,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 23:06:18,538 INFO L495 AbstractCegarLoop]: Abstraction has 54 states and 63 transitions. [2023-02-15 23:06:18,538 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 23:06:18,538 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 63 transitions. [2023-02-15 23:06:18,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-02-15 23:06:18,538 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 23:06:18,538 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 23:06:18,538 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-02-15 23:06:18,538 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-15 23:06:18,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 23:06:18,539 INFO L85 PathProgramCache]: Analyzing trace with hash 1947225999, now seen corresponding path program 1 times [2023-02-15 23:06:18,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 23:06:18,539 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163617874] [2023-02-15 23:06:18,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 23:06:18,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 23:06:18,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:06:18,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 23:06:18,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 23:06:18,608 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163617874] [2023-02-15 23:06:18,608 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1163617874] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 23:06:18,608 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 23:06:18,608 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-02-15 23:06:18,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377733469] [2023-02-15 23:06:18,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 23:06:18,609 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-02-15 23:06:18,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 23:06:18,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-02-15 23:06:18,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-02-15 23:06:18,609 INFO L87 Difference]: Start difference. First operand 54 states and 63 transitions. Second operand has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 23:06:18,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 23:06:18,658 INFO L93 Difference]: Finished difference Result 63 states and 73 transitions. [2023-02-15 23:06:18,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-02-15 23:06:18,658 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 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 12 [2023-02-15 23:06:18,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 23:06:18,661 INFO L225 Difference]: With dead ends: 63 [2023-02-15 23:06:18,661 INFO L226 Difference]: Without dead ends: 62 [2023-02-15 23:06:18,661 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2023-02-15 23:06:18,662 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 34 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-15 23:06:18,662 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 24 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-15 23:06:18,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2023-02-15 23:06:18,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 58. [2023-02-15 23:06:18,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 54 states have (on average 1.2592592592592593) internal successors, (68), 57 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 23:06:18,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 68 transitions. [2023-02-15 23:06:18,678 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 68 transitions. Word has length 12 [2023-02-15 23:06:18,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 23:06:18,678 INFO L495 AbstractCegarLoop]: Abstraction has 58 states and 68 transitions. [2023-02-15 23:06:18,678 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 23:06:18,678 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 68 transitions. [2023-02-15 23:06:18,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-02-15 23:06:18,678 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 23:06:18,678 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 23:06:18,679 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-02-15 23:06:18,679 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-15 23:06:18,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 23:06:18,679 INFO L85 PathProgramCache]: Analyzing trace with hash -1694214290, now seen corresponding path program 1 times [2023-02-15 23:06:18,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 23:06:18,679 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229210418] [2023-02-15 23:06:18,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 23:06:18,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 23:06:18,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:06:18,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 23:06:18,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 23:06:18,763 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [229210418] [2023-02-15 23:06:18,763 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [229210418] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 23:06:18,763 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 23:06:18,763 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-02-15 23:06:18,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156050894] [2023-02-15 23:06:18,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 23:06:18,764 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-02-15 23:06:18,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 23:06:18,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-02-15 23:06:18,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-02-15 23:06:18,765 INFO L87 Difference]: Start difference. First operand 58 states and 68 transitions. Second operand has 6 states, 5 states have (on average 2.6) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 23:06:18,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 23:06:18,845 INFO L93 Difference]: Finished difference Result 103 states and 121 transitions. [2023-02-15 23:06:18,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-02-15 23:06:18,848 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.6) internal successors, (13), 6 states have internal predecessors, (13), 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 13 [2023-02-15 23:06:18,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 23:06:18,849 INFO L225 Difference]: With dead ends: 103 [2023-02-15 23:06:18,849 INFO L226 Difference]: Without dead ends: 102 [2023-02-15 23:06:18,849 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2023-02-15 23:06:18,850 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 48 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-15 23:06:18,850 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 48 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-15 23:06:18,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2023-02-15 23:06:18,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 41. [2023-02-15 23:06:18,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 38 states have (on average 1.263157894736842) internal successors, (48), 40 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 23:06:18,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 48 transitions. [2023-02-15 23:06:18,853 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 48 transitions. Word has length 13 [2023-02-15 23:06:18,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 23:06:18,853 INFO L495 AbstractCegarLoop]: Abstraction has 41 states and 48 transitions. [2023-02-15 23:06:18,853 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.6) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 23:06:18,853 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 48 transitions. [2023-02-15 23:06:18,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-02-15 23:06:18,854 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 23:06:18,854 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 23:06:18,854 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-02-15 23:06:18,854 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-15 23:06:18,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 23:06:18,854 INFO L85 PathProgramCache]: Analyzing trace with hash 234652576, now seen corresponding path program 1 times [2023-02-15 23:06:18,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 23:06:18,854 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897742792] [2023-02-15 23:06:18,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 23:06:18,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 23:06:18,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:06:18,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 23:06:18,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 23:06:18,869 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897742792] [2023-02-15 23:06:18,869 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [897742792] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 23:06:18,870 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 23:06:18,870 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-15 23:06:18,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341457836] [2023-02-15 23:06:18,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 23:06:18,870 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-15 23:06:18,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 23:06:18,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-15 23:06:18,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 23:06:18,872 INFO L87 Difference]: Start difference. First operand 41 states and 48 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 23:06:18,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 23:06:18,879 INFO L93 Difference]: Finished difference Result 82 states and 96 transitions. [2023-02-15 23:06:18,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-15 23:06:18,880 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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 13 [2023-02-15 23:06:18,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 23:06:18,880 INFO L225 Difference]: With dead ends: 82 [2023-02-15 23:06:18,880 INFO L226 Difference]: Without dead ends: 41 [2023-02-15 23:06:18,881 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 23:06:18,882 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 0 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 50 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 [2023-02-15 23:06:18,882 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 50 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-15 23:06:18,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2023-02-15 23:06:18,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2023-02-15 23:06:18,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 38 states have (on average 1.1842105263157894) internal successors, (45), 40 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 23:06:18,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 45 transitions. [2023-02-15 23:06:18,889 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 45 transitions. Word has length 13 [2023-02-15 23:06:18,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 23:06:18,890 INFO L495 AbstractCegarLoop]: Abstraction has 41 states and 45 transitions. [2023-02-15 23:06:18,890 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 23:06:18,890 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 45 transitions. [2023-02-15 23:06:18,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-02-15 23:06:18,891 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 23:06:18,891 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 23:06:18,891 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-02-15 23:06:18,891 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-15 23:06:18,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 23:06:18,892 INFO L85 PathProgramCache]: Analyzing trace with hash -981035365, now seen corresponding path program 1 times [2023-02-15 23:06:18,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 23:06:18,892 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74270211] [2023-02-15 23:06:18,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 23:06:18,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 23:06:18,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:06:18,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 23:06:18,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 23:06:18,932 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [74270211] [2023-02-15 23:06:18,932 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [74270211] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 23:06:18,932 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 23:06:18,932 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-02-15 23:06:18,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107289330] [2023-02-15 23:06:18,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 23:06:18,933 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-02-15 23:06:18,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 23:06:18,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-02-15 23:06:18,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-02-15 23:06:18,934 INFO L87 Difference]: Start difference. First operand 41 states and 45 transitions. Second operand has 5 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 23:06:18,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 23:06:18,974 INFO L93 Difference]: Finished difference Result 42 states and 45 transitions. [2023-02-15 23:06:18,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-02-15 23:06:18,975 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 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 14 [2023-02-15 23:06:18,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 23:06:18,975 INFO L225 Difference]: With dead ends: 42 [2023-02-15 23:06:18,975 INFO L226 Difference]: Without dead ends: 41 [2023-02-15 23:06:18,975 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-02-15 23:06:18,976 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 35 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-15 23:06:18,976 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 31 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-15 23:06:18,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2023-02-15 23:06:18,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2023-02-15 23:06:18,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 38 states have (on average 1.1578947368421053) internal successors, (44), 40 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 23:06:18,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 44 transitions. [2023-02-15 23:06:18,982 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 44 transitions. Word has length 14 [2023-02-15 23:06:18,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 23:06:18,982 INFO L495 AbstractCegarLoop]: Abstraction has 41 states and 44 transitions. [2023-02-15 23:06:18,982 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 23:06:18,982 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 44 transitions. [2023-02-15 23:06:18,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-02-15 23:06:18,985 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 23:06:18,985 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 23:06:18,985 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-02-15 23:06:18,985 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-15 23:06:18,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 23:06:18,986 INFO L85 PathProgramCache]: Analyzing trace with hash 334166611, now seen corresponding path program 1 times [2023-02-15 23:06:18,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 23:06:18,986 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101086754] [2023-02-15 23:06:18,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 23:06:18,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 23:06:18,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:06:19,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 23:06:19,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 23:06:19,021 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101086754] [2023-02-15 23:06:19,021 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1101086754] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 23:06:19,021 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 23:06:19,021 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-02-15 23:06:19,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012918882] [2023-02-15 23:06:19,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 23:06:19,022 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-02-15 23:06:19,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 23:06:19,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-02-15 23:06:19,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-02-15 23:06:19,022 INFO L87 Difference]: Start difference. First operand 41 states and 44 transitions. Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 23:06:19,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 23:06:19,041 INFO L93 Difference]: Finished difference Result 83 states and 89 transitions. [2023-02-15 23:06:19,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-02-15 23:06:19,042 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 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 14 [2023-02-15 23:06:19,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 23:06:19,042 INFO L225 Difference]: With dead ends: 83 [2023-02-15 23:06:19,042 INFO L226 Difference]: Without dead ends: 41 [2023-02-15 23:06:19,042 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-02-15 23:06:19,043 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 7 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-15 23:06:19,043 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 85 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-15 23:06:19,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2023-02-15 23:06:19,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2023-02-15 23:06:19,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 38 states have (on average 1.131578947368421) internal successors, (43), 40 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 23:06:19,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 43 transitions. [2023-02-15 23:06:19,044 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 43 transitions. Word has length 14 [2023-02-15 23:06:19,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 23:06:19,044 INFO L495 AbstractCegarLoop]: Abstraction has 41 states and 43 transitions. [2023-02-15 23:06:19,045 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 23:06:19,045 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 43 transitions. [2023-02-15 23:06:19,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-02-15 23:06:19,045 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 23:06:19,045 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 23:06:19,045 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-02-15 23:06:19,045 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-15 23:06:19,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 23:06:19,045 INFO L85 PathProgramCache]: Analyzing trace with hash 1981516932, now seen corresponding path program 1 times [2023-02-15 23:06:19,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 23:06:19,046 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1247541403] [2023-02-15 23:06:19,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 23:06:19,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 23:06:19,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:06:19,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 23:06:19,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 23:06:19,069 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1247541403] [2023-02-15 23:06:19,069 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1247541403] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 23:06:19,069 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 23:06:19,069 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-02-15 23:06:19,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447402729] [2023-02-15 23:06:19,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 23:06:19,069 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-15 23:06:19,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 23:06:19,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-15 23:06:19,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 23:06:19,070 INFO L87 Difference]: Start difference. First operand 41 states and 43 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) [2023-02-15 23:06:19,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 23:06:19,080 INFO L93 Difference]: Finished difference Result 41 states and 43 transitions. [2023-02-15 23:06:19,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-15 23:06:19,080 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 [2023-02-15 23:06:19,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 23:06:19,081 INFO L225 Difference]: With dead ends: 41 [2023-02-15 23:06:19,081 INFO L226 Difference]: Without dead ends: 40 [2023-02-15 23:06:19,081 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 [2023-02-15 23:06:19,081 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 0 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-15 23:06:19,081 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 35 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-15 23:06:19,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2023-02-15 23:06:19,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 33. [2023-02-15 23:06:19,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 31 states have (on average 1.1290322580645162) internal successors, (35), 32 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 23:06:19,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 35 transitions. [2023-02-15 23:06:19,083 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 35 transitions. Word has length 15 [2023-02-15 23:06:19,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 23:06:19,083 INFO L495 AbstractCegarLoop]: Abstraction has 33 states and 35 transitions. [2023-02-15 23:06:19,083 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) [2023-02-15 23:06:19,083 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 35 transitions. [2023-02-15 23:06:19,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-02-15 23:06:19,083 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 23:06:19,083 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 23:06:19,083 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-02-15 23:06:19,083 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-15 23:06:19,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 23:06:19,084 INFO L85 PathProgramCache]: Analyzing trace with hash 233008023, now seen corresponding path program 1 times [2023-02-15 23:06:19,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 23:06:19,084 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038811612] [2023-02-15 23:06:19,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 23:06:19,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 23:06:19,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:06:19,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 23:06:19,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 23:06:19,099 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038811612] [2023-02-15 23:06:19,099 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1038811612] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 23:06:19,099 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 23:06:19,099 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-02-15 23:06:19,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431355733] [2023-02-15 23:06:19,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 23:06:19,099 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-15 23:06:19,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 23:06:19,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-15 23:06:19,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-15 23:06:19,100 INFO L87 Difference]: Start difference. First operand 33 states and 35 transitions. Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 23:06:19,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 23:06:19,123 INFO L93 Difference]: Finished difference Result 73 states and 78 transitions. [2023-02-15 23:06:19,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-15 23:06:19,123 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 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 16 [2023-02-15 23:06:19,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 23:06:19,124 INFO L225 Difference]: With dead ends: 73 [2023-02-15 23:06:19,124 INFO L226 Difference]: Without dead ends: 38 [2023-02-15 23:06:19,124 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-02-15 23:06:19,124 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 15 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-15 23:06:19,124 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 50 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-15 23:06:19,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2023-02-15 23:06:19,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 35. [2023-02-15 23:06:19,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 34 states have (on average 1.088235294117647) internal successors, (37), 34 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 23:06:19,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 37 transitions. [2023-02-15 23:06:19,126 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 37 transitions. Word has length 16 [2023-02-15 23:06:19,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 23:06:19,126 INFO L495 AbstractCegarLoop]: Abstraction has 35 states and 37 transitions. [2023-02-15 23:06:19,126 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 23:06:19,127 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 37 transitions. [2023-02-15 23:06:19,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-02-15 23:06:19,127 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 23:06:19,127 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 23:06:19,127 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-02-15 23:06:19,127 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-15 23:06:19,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 23:06:19,127 INFO L85 PathProgramCache]: Analyzing trace with hash 1567262310, now seen corresponding path program 1 times [2023-02-15 23:06:19,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 23:06:19,128 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507241575] [2023-02-15 23:06:19,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 23:06:19,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 23:06:19,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:06:19,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 23:06:19,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 23:06:19,154 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [507241575] [2023-02-15 23:06:19,155 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [507241575] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 23:06:19,155 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 23:06:19,155 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-02-15 23:06:19,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800931161] [2023-02-15 23:06:19,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 23:06:19,155 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-15 23:06:19,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 23:06:19,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-15 23:06:19,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 23:06:19,156 INFO L87 Difference]: Start difference. First operand 35 states and 37 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) [2023-02-15 23:06:19,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 23:06:19,162 INFO L93 Difference]: Finished difference Result 35 states and 37 transitions. [2023-02-15 23:06:19,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-15 23:06:19,163 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 [2023-02-15 23:06:19,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 23:06:19,163 INFO L225 Difference]: With dead ends: 35 [2023-02-15 23:06:19,163 INFO L226 Difference]: Without dead ends: 0 [2023-02-15 23:06:19,163 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 [2023-02-15 23:06:19,164 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 0 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-15 23:06:19,164 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 34 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-15 23:06:19,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-02-15 23:06:19,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-02-15 23:06:19,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 23:06:19,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-02-15 23:06:19,165 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 17 [2023-02-15 23:06:19,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 23:06:19,165 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-02-15 23:06:19,165 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) [2023-02-15 23:06:19,165 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-02-15 23:06:19,165 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-02-15 23:06:19,167 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 10 remaining) [2023-02-15 23:06:19,168 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 10 remaining) [2023-02-15 23:06:19,168 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 10 remaining) [2023-02-15 23:06:19,168 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 10 remaining) [2023-02-15 23:06:19,168 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 10 remaining) [2023-02-15 23:06:19,168 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 10 remaining) [2023-02-15 23:06:19,168 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 10 remaining) [2023-02-15 23:06:19,169 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 10 remaining) [2023-02-15 23:06:19,169 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 10 remaining) [2023-02-15 23:06:19,169 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 10 remaining) [2023-02-15 23:06:19,169 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-02-15 23:06:19,170 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-02-15 23:06:19,210 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 12) no Hoare annotation was computed. [2023-02-15 23:06:19,210 INFO L895 garLoopResultBuilder]: At program point main_returnLabel#1(lines 5 17) the Hoare annotation is: (<= |ULTIMATE.start_main_~y~0#1| 2147483647) [2023-02-15 23:06:19,210 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 13) no Hoare annotation was computed. [2023-02-15 23:06:19,210 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-02-15 23:06:19,210 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 12) no Hoare annotation was computed. [2023-02-15 23:06:19,210 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 12) no Hoare annotation was computed. [2023-02-15 23:06:19,211 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-02-15 23:06:19,211 INFO L899 garLoopResultBuilder]: For program point L12-1(line 12) no Hoare annotation was computed. [2023-02-15 23:06:19,211 INFO L899 garLoopResultBuilder]: For program point L12-2(line 12) no Hoare annotation was computed. [2023-02-15 23:06:19,211 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 14) no Hoare annotation was computed. [2023-02-15 23:06:19,211 INFO L899 garLoopResultBuilder]: For program point L12-3(line 12) no Hoare annotation was computed. [2023-02-15 23:06:19,211 INFO L899 garLoopResultBuilder]: For program point L12-5(line 12) no Hoare annotation was computed. [2023-02-15 23:06:19,211 INFO L899 garLoopResultBuilder]: For program point L12-6(line 12) no Hoare annotation was computed. [2023-02-15 23:06:19,211 INFO L899 garLoopResultBuilder]: For program point L12-8(line 12) no Hoare annotation was computed. [2023-02-15 23:06:19,211 INFO L899 garLoopResultBuilder]: For program point L12-9(line 12) no Hoare annotation was computed. [2023-02-15 23:06:19,212 INFO L899 garLoopResultBuilder]: For program point L12-10(line 12) no Hoare annotation was computed. [2023-02-15 23:06:19,212 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 12) no Hoare annotation was computed. [2023-02-15 23:06:19,212 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-02-15 23:06:19,212 INFO L899 garLoopResultBuilder]: For program point L12-12(line 12) no Hoare annotation was computed. [2023-02-15 23:06:19,212 INFO L899 garLoopResultBuilder]: For program point L12-13(line 12) no Hoare annotation was computed. [2023-02-15 23:06:19,212 INFO L899 garLoopResultBuilder]: For program point L12-14(line 12) no Hoare annotation was computed. [2023-02-15 23:06:19,212 INFO L899 garLoopResultBuilder]: For program point L12-15(line 12) no Hoare annotation was computed. [2023-02-15 23:06:19,212 INFO L899 garLoopResultBuilder]: For program point L12-16(line 12) no Hoare annotation was computed. [2023-02-15 23:06:19,212 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 12) no Hoare annotation was computed. [2023-02-15 23:06:19,213 INFO L899 garLoopResultBuilder]: For program point L12-18(lines 12 15) no Hoare annotation was computed. [2023-02-15 23:06:19,213 INFO L895 garLoopResultBuilder]: At program point L12-20(lines 12 15) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~z~0#1| 2147483647) (<= |ULTIMATE.start_main_~y~0#1| 2147483647) (<= 0 (+ |ULTIMATE.start_main_~y~0#1| 2147483648)) (<= 0 (+ |ULTIMATE.start_main_~z~0#1| 2147483648))) [2023-02-15 23:06:19,213 INFO L899 garLoopResultBuilder]: For program point L12-21(lines 12 15) no Hoare annotation was computed. [2023-02-15 23:06:19,213 INFO L899 garLoopResultBuilder]: For program point L13(line 13) no Hoare annotation was computed. [2023-02-15 23:06:19,213 INFO L899 garLoopResultBuilder]: For program point L13-1(line 13) no Hoare annotation was computed. [2023-02-15 23:06:19,213 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 14) no Hoare annotation was computed. [2023-02-15 23:06:19,213 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-02-15 23:06:19,213 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 12) no Hoare annotation was computed. [2023-02-15 23:06:19,214 INFO L899 garLoopResultBuilder]: For program point L14(line 14) no Hoare annotation was computed. [2023-02-15 23:06:19,214 INFO L899 garLoopResultBuilder]: For program point L14-1(line 14) no Hoare annotation was computed. [2023-02-15 23:06:19,214 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 13) no Hoare annotation was computed. [2023-02-15 23:06:19,216 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 23:06:19,217 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-02-15 23:06:19,225 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.02 11:06:19 BoogieIcfgContainer [2023-02-15 23:06:19,225 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-02-15 23:06:19,225 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-02-15 23:06:19,225 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-02-15 23:06:19,226 INFO L275 PluginConnector]: Witness Printer initialized [2023-02-15 23:06:19,226 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 11:06:17" (3/4) ... [2023-02-15 23:06:19,228 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-02-15 23:06:19,233 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-02-15 23:06:19,233 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-02-15 23:06:19,234 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-02-15 23:06:19,252 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-02-15 23:06:19,252 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-02-15 23:06:19,252 INFO L158 Benchmark]: Toolchain (without parser) took 2028.58ms. Allocated memory is still 151.0MB. Free memory was 123.1MB in the beginning and 90.5MB in the end (delta: 32.6MB). Peak memory consumption was 31.6MB. Max. memory is 16.1GB. [2023-02-15 23:06:19,253 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 102.8MB. Free memory is still 68.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-02-15 23:06:19,253 INFO L158 Benchmark]: CACSL2BoogieTranslator took 119.77ms. Allocated memory is still 151.0MB. Free memory was 122.6MB in the beginning and 113.8MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-02-15 23:06:19,253 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.51ms. Allocated memory is still 151.0MB. Free memory was 113.8MB in the beginning and 112.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-15 23:06:19,253 INFO L158 Benchmark]: Boogie Preprocessor took 23.52ms. Allocated memory is still 151.0MB. Free memory was 112.2MB in the beginning and 111.0MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-15 23:06:19,253 INFO L158 Benchmark]: RCFGBuilder took 221.99ms. Allocated memory is still 151.0MB. Free memory was 111.0MB in the beginning and 100.1MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-02-15 23:06:19,254 INFO L158 Benchmark]: TraceAbstraction took 1611.27ms. Allocated memory is still 151.0MB. Free memory was 99.6MB in the beginning and 93.7MB in the end (delta: 6.0MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. [2023-02-15 23:06:19,254 INFO L158 Benchmark]: Witness Printer took 26.67ms. Allocated memory is still 151.0MB. Free memory was 93.7MB in the beginning and 90.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-15 23:06:19,255 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 102.8MB. Free memory is still 68.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 119.77ms. Allocated memory is still 151.0MB. Free memory was 122.6MB in the beginning and 113.8MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 19.51ms. Allocated memory is still 151.0MB. Free memory was 113.8MB in the beginning and 112.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.52ms. Allocated memory is still 151.0MB. Free memory was 112.2MB in the beginning and 111.0MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 221.99ms. Allocated memory is still 151.0MB. Free memory was 111.0MB in the beginning and 100.1MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1611.27ms. Allocated memory is still 151.0MB. Free memory was 99.6MB in the beginning and 93.7MB in the end (delta: 6.0MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. * Witness Printer took 26.67ms. Allocated memory is still 151.0MB. Free memory was 93.7MB in the beginning and 90.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 12]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 12]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 12]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 12]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 12]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 12]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 13]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 13]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 14]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 14]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 35 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 14, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 349 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 349 mSDsluCounter, 601 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 279 mSDsCounter, 35 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 427 IncrementalHoareTripleChecker+Invalid, 462 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 35 mSolverCounterUnsat, 322 mSDtfsCounter, 427 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 59 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=58occurred in iteration=7, InterpolantAutomatonStates: 60, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 14 MinimizatonAttempts, 112 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 5 NumberOfFragments, 20 HoareAnnotationTreeSize, 2 FomulaSimplifications, 122 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 174 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 165 NumberOfCodeBlocks, 165 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 151 ConstructedInterpolants, 0 QuantifiedInterpolants, 394 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 10 specifications checked. All of them hold - InvariantResult [Line: 5]: Loop Invariant Derived loop invariant: y <= 2147483647 - InvariantResult [Line: 12]: Loop Invariant Derived loop invariant: ((z <= 2147483647 && y <= 2147483647) && 0 <= y + 2147483648) && 0 <= z + 2147483648 RESULT: Ultimate proved your program to be correct! [2023-02-15 23:06:19,269 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE