./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/bitvector/modulus-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/bitvector/modulus-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 53bf165bfbef55aa8ab289084a5d3d80b8d81c13dbafd349815c35b63fd8829c --- Real Ultimate output --- This is Ultimate 0.2.2-?-2329fc7 [2023-02-14 02:37:08,984 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-14 02:37:08,986 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-14 02:37:09,004 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-14 02:37:09,004 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-14 02:37:09,005 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-14 02:37:09,006 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-14 02:37:09,007 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-14 02:37:09,008 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-14 02:37:09,009 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-14 02:37:09,009 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-14 02:37:09,010 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-14 02:37:09,010 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-14 02:37:09,011 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-14 02:37:09,012 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-14 02:37:09,012 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-14 02:37:09,013 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-14 02:37:09,014 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-14 02:37:09,015 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-14 02:37:09,017 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-14 02:37:09,019 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-14 02:37:09,020 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-14 02:37:09,023 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-14 02:37:09,024 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-14 02:37:09,029 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-14 02:37:09,030 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-14 02:37:09,030 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-14 02:37:09,030 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-14 02:37:09,031 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-14 02:37:09,031 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-14 02:37:09,032 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-14 02:37:09,032 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-14 02:37:09,035 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-14 02:37:09,036 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-14 02:37:09,036 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-14 02:37:09,036 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-14 02:37:09,037 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-14 02:37:09,037 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-14 02:37:09,037 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-14 02:37:09,038 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-14 02:37:09,038 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-14 02:37:09,039 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-02-14 02:37:09,052 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-14 02:37:09,057 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-14 02:37:09,058 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-14 02:37:09,059 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-14 02:37:09,059 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-14 02:37:09,059 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-14 02:37:09,060 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-14 02:37:09,060 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-14 02:37:09,061 INFO L138 SettingsManager]: * Use SBE=true [2023-02-14 02:37:09,061 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-14 02:37:09,061 INFO L138 SettingsManager]: * sizeof long=4 [2023-02-14 02:37:09,061 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-02-14 02:37:09,062 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-14 02:37:09,062 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-02-14 02:37:09,062 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-14 02:37:09,062 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-02-14 02:37:09,062 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-14 02:37:09,062 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-02-14 02:37:09,062 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-02-14 02:37:09,063 INFO L138 SettingsManager]: * sizeof long double=12 [2023-02-14 02:37:09,063 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-14 02:37:09,063 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-14 02:37:09,063 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-02-14 02:37:09,063 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-14 02:37:09,063 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-14 02:37:09,063 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-14 02:37:09,064 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-14 02:37:09,064 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-14 02:37:09,064 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-14 02:37:09,064 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-02-14 02:37:09,064 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-14 02:37:09,064 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-02-14 02:37:09,065 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-14 02:37:09,065 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-02-14 02:37:09,065 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-14 02:37:09,065 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-14 02:37:09,065 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-14 02:37:09,065 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 53bf165bfbef55aa8ab289084a5d3d80b8d81c13dbafd349815c35b63fd8829c [2023-02-14 02:37:09,270 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-14 02:37:09,291 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-14 02:37:09,293 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-14 02:37:09,294 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-14 02:37:09,295 INFO L275 PluginConnector]: CDTParser initialized [2023-02-14 02:37:09,296 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector/modulus-1.i [2023-02-14 02:37:10,258 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-14 02:37:10,404 INFO L351 CDTParser]: Found 1 translation units. [2023-02-14 02:37:10,405 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/modulus-1.i [2023-02-14 02:37:10,410 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/690b015ce/b9eac51b7cb8468c9483af58fc761cb1/FLAGc74f730b0 [2023-02-14 02:37:10,424 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/690b015ce/b9eac51b7cb8468c9483af58fc761cb1 [2023-02-14 02:37:10,426 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-14 02:37:10,428 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-14 02:37:10,429 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-14 02:37:10,429 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-14 02:37:10,432 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-14 02:37:10,432 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.02 02:37:10" (1/1) ... [2023-02-14 02:37:10,435 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a6aeaad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:37:10, skipping insertion in model container [2023-02-14 02:37:10,435 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.02 02:37:10" (1/1) ... [2023-02-14 02:37:10,440 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-14 02:37:10,456 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-14 02:37:10,594 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/modulus-1.i[1252,1265] [2023-02-14 02:37:10,601 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-14 02:37:10,611 INFO L203 MainTranslator]: Completed pre-run [2023-02-14 02:37:10,622 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/modulus-1.i[1252,1265] [2023-02-14 02:37:10,628 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-14 02:37:10,637 INFO L208 MainTranslator]: Completed translation [2023-02-14 02:37:10,638 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:37:10 WrapperNode [2023-02-14 02:37:10,638 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-14 02:37:10,639 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-14 02:37:10,639 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-14 02:37:10,639 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-14 02:37:10,643 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:37:10" (1/1) ... [2023-02-14 02:37:10,648 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:37:10" (1/1) ... [2023-02-14 02:37:10,665 INFO L138 Inliner]: procedures = 16, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 50 [2023-02-14 02:37:10,665 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-14 02:37:10,666 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-14 02:37:10,666 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-14 02:37:10,666 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-14 02:37:10,673 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:37:10" (1/1) ... [2023-02-14 02:37:10,673 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:37:10" (1/1) ... [2023-02-14 02:37:10,677 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:37:10" (1/1) ... [2023-02-14 02:37:10,677 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:37:10" (1/1) ... [2023-02-14 02:37:10,680 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:37:10" (1/1) ... [2023-02-14 02:37:10,683 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:37:10" (1/1) ... [2023-02-14 02:37:10,687 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:37:10" (1/1) ... [2023-02-14 02:37:10,688 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:37:10" (1/1) ... [2023-02-14 02:37:10,689 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-14 02:37:10,689 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-14 02:37:10,690 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-14 02:37:10,690 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-14 02:37:10,690 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:37:10" (1/1) ... [2023-02-14 02:37:10,695 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-14 02:37:10,704 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 02:37:10,721 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) [2023-02-14 02:37:10,728 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 [2023-02-14 02:37:10,747 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-02-14 02:37:10,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-02-14 02:37:10,748 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-14 02:37:10,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-14 02:37:10,793 INFO L235 CfgBuilder]: Building ICFG [2023-02-14 02:37:10,794 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-14 02:37:10,910 INFO L276 CfgBuilder]: Performing block encoding [2023-02-14 02:37:10,914 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-14 02:37:10,914 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2023-02-14 02:37:10,916 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.02 02:37:10 BoogieIcfgContainer [2023-02-14 02:37:10,916 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-14 02:37:10,917 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-02-14 02:37:10,917 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-02-14 02:37:10,919 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-02-14 02:37:10,920 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.02 02:37:10" (1/3) ... [2023-02-14 02:37:10,920 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5effc533 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.02 02:37:10, skipping insertion in model container [2023-02-14 02:37:10,920 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:37:10" (2/3) ... [2023-02-14 02:37:10,920 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5effc533 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.02 02:37:10, skipping insertion in model container [2023-02-14 02:37:10,920 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.02 02:37:10" (3/3) ... [2023-02-14 02:37:10,921 INFO L112 eAbstractionObserver]: Analyzing ICFG modulus-1.i [2023-02-14 02:37:10,947 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-02-14 02:37:10,947 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2023-02-14 02:37:10,994 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-02-14 02:37:11,000 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;@4f8e7714, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-02-14 02:37:11,004 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2023-02-14 02:37:11,013 INFO L276 IsEmpty]: Start isEmpty. Operand has 27 states, 21 states have (on average 1.619047619047619) internal successors, (34), 26 states have internal predecessors, (34), 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) [2023-02-14 02:37:11,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-02-14 02:37:11,018 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 02:37:11,019 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2023-02-14 02:37:11,028 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2023-02-14 02:37:11,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 02:37:11,033 INFO L85 PathProgramCache]: Analyzing trace with hash 28693827, now seen corresponding path program 1 times [2023-02-14 02:37:11,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 02:37:11,045 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914370724] [2023-02-14 02:37:11,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 02:37:11,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 02:37:11,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:37:11,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 02:37:11,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 02:37:11,148 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914370724] [2023-02-14 02:37:11,148 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1914370724] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-14 02:37:11,149 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-14 02:37:11,149 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-02-14 02:37:11,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525861005] [2023-02-14 02:37:11,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-14 02:37:11,153 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-02-14 02:37:11,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 02:37:11,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-02-14 02:37:11,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-02-14 02:37:11,181 INFO L87 Difference]: Start difference. First operand has 27 states, 21 states have (on average 1.619047619047619) internal successors, (34), 26 states have internal predecessors, (34), 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 2 states, 2 states have (on average 2.5) internal successors, (5), 2 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) [2023-02-14 02:37:11,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 02:37:11,195 INFO L93 Difference]: Finished difference Result 51 states and 64 transitions. [2023-02-14 02:37:11,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-02-14 02:37:11,198 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 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 [2023-02-14 02:37:11,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 02:37:11,204 INFO L225 Difference]: With dead ends: 51 [2023-02-14 02:37:11,205 INFO L226 Difference]: Without dead ends: 14 [2023-02-14 02:37:11,209 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-02-14 02:37:11,212 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-14 02:37:11,213 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-14 02:37:11,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2023-02-14 02:37:11,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2023-02-14 02:37:11,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 13 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) [2023-02-14 02:37:11,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 13 transitions. [2023-02-14 02:37:11,232 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 13 transitions. Word has length 5 [2023-02-14 02:37:11,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 02:37:11,232 INFO L495 AbstractCegarLoop]: Abstraction has 14 states and 13 transitions. [2023-02-14 02:37:11,232 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 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) [2023-02-14 02:37:11,233 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 13 transitions. [2023-02-14 02:37:11,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-02-14 02:37:11,233 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 02:37:11,233 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2023-02-14 02:37:11,233 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-02-14 02:37:11,233 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2023-02-14 02:37:11,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 02:37:11,234 INFO L85 PathProgramCache]: Analyzing trace with hash 28695749, now seen corresponding path program 1 times [2023-02-14 02:37:11,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 02:37:11,235 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [196438274] [2023-02-14 02:37:11,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 02:37:11,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 02:37:11,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:37:11,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 02:37:11,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 02:37:11,429 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [196438274] [2023-02-14 02:37:11,429 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [196438274] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-14 02:37:11,430 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-14 02:37:11,430 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-14 02:37:11,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96999533] [2023-02-14 02:37:11,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-14 02:37:11,431 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-14 02:37:11,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 02:37:11,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-14 02:37:11,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-02-14 02:37:11,432 INFO L87 Difference]: Start difference. First operand 14 states and 13 transitions. Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 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) [2023-02-14 02:37:11,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 02:37:11,442 INFO L93 Difference]: Finished difference Result 14 states and 13 transitions. [2023-02-14 02:37:11,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-14 02:37:11,443 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 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 [2023-02-14 02:37:11,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 02:37:11,444 INFO L225 Difference]: With dead ends: 14 [2023-02-14 02:37:11,444 INFO L226 Difference]: Without dead ends: 13 [2023-02-14 02:37:11,444 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 [2023-02-14 02:37:11,446 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 16 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-14 02:37:11,447 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 11 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-14 02:37:11,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2023-02-14 02:37:11,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2023-02-14 02:37:11,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 12 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) [2023-02-14 02:37:11,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 12 transitions. [2023-02-14 02:37:11,451 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 12 transitions. Word has length 5 [2023-02-14 02:37:11,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 02:37:11,452 INFO L495 AbstractCegarLoop]: Abstraction has 13 states and 12 transitions. [2023-02-14 02:37:11,452 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 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) [2023-02-14 02:37:11,453 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 12 transitions. [2023-02-14 02:37:11,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-02-14 02:37:11,454 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 02:37:11,454 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-02-14 02:37:11,454 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-02-14 02:37:11,454 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2023-02-14 02:37:11,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 02:37:11,457 INFO L85 PathProgramCache]: Analyzing trace with hash 889568262, now seen corresponding path program 1 times [2023-02-14 02:37:11,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 02:37:11,457 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1114169816] [2023-02-14 02:37:11,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 02:37:11,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 02:37:11,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-14 02:37:11,471 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-14 02:37:11,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-14 02:37:11,488 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-14 02:37:11,489 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-02-14 02:37:11,489 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 5 remaining) [2023-02-14 02:37:11,491 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 5 remaining) [2023-02-14 02:37:11,491 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 5 remaining) [2023-02-14 02:37:11,492 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 5 remaining) [2023-02-14 02:37:11,492 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 5 remaining) [2023-02-14 02:37:11,492 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-02-14 02:37:11,495 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-02-14 02:37:11,497 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-02-14 02:37:11,515 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.02 02:37:11 BoogieIcfgContainer [2023-02-14 02:37:11,515 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-02-14 02:37:11,516 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-02-14 02:37:11,517 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-02-14 02:37:11,517 INFO L275 PluginConnector]: Witness Printer initialized [2023-02-14 02:37:11,517 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.02 02:37:10" (3/4) ... [2023-02-14 02:37:11,521 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-02-14 02:37:11,521 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-02-14 02:37:11,522 INFO L158 Benchmark]: Toolchain (without parser) took 1093.95ms. Allocated memory is still 127.9MB. Free memory was 88.2MB in the beginning and 93.0MB in the end (delta: -4.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-14 02:37:11,522 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 127.9MB. Free memory is still 100.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-02-14 02:37:11,523 INFO L158 Benchmark]: CACSL2BoogieTranslator took 208.66ms. Allocated memory is still 127.9MB. Free memory was 88.2MB in the beginning and 99.0MB in the end (delta: -10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-02-14 02:37:11,523 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.95ms. Allocated memory is still 127.9MB. Free memory was 99.0MB in the beginning and 97.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-14 02:37:11,523 INFO L158 Benchmark]: Boogie Preprocessor took 22.99ms. Allocated memory is still 127.9MB. Free memory was 97.5MB in the beginning and 96.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-14 02:37:11,524 INFO L158 Benchmark]: RCFGBuilder took 226.35ms. Allocated memory is still 127.9MB. Free memory was 96.1MB in the beginning and 85.6MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-02-14 02:37:11,524 INFO L158 Benchmark]: TraceAbstraction took 598.32ms. Allocated memory is still 127.9MB. Free memory was 84.9MB in the beginning and 93.6MB in the end (delta: -8.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-14 02:37:11,524 INFO L158 Benchmark]: Witness Printer took 4.65ms. Allocated memory is still 127.9MB. Free memory was 93.6MB in the beginning and 93.0MB in the end (delta: 653.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-14 02:37:11,526 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 127.9MB. Free memory is still 100.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 208.66ms. Allocated memory is still 127.9MB. Free memory was 88.2MB in the beginning and 99.0MB in the end (delta: -10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.95ms. Allocated memory is still 127.9MB. Free memory was 99.0MB in the beginning and 97.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.99ms. Allocated memory is still 127.9MB. Free memory was 97.5MB in the beginning and 96.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 226.35ms. Allocated memory is still 127.9MB. Free memory was 96.1MB in the beginning and 85.6MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 598.32ms. Allocated memory is still 127.9MB. Free memory was 84.9MB in the beginning and 93.6MB in the end (delta: -8.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.65ms. Allocated memory is still 127.9MB. Free memory was 93.6MB in the beginning and 93.0MB in the end (delta: 653.0kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 51]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of shiftLeft at line 51. Possible FailurePath: [L46] unsigned int n = __VERIFIER_nondet_uint(); [L47] unsigned int s = __VERIFIER_nondet_uint(); [L48] unsigned int d; [L49] unsigned int m; [L50] CALL assume_abort_if_not(s < 32) [L11] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L50] RET assume_abort_if_not(s < 32) [L51] 1 << s VAL [s=0] - UnprovableResult [Line: 51]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 51]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 51]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 51]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 27 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 16 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 16 mSDsluCounter, 41 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 40 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=27occurred in iteration=0, InterpolantAutomatonStates: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 16 NumberOfCodeBlocks, 16 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 36 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-02-14 02:37:11,547 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/bitvector/modulus-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 53bf165bfbef55aa8ab289084a5d3d80b8d81c13dbafd349815c35b63fd8829c --- Real Ultimate output --- This is Ultimate 0.2.2-?-2329fc7 [2023-02-14 02:37:13,315 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-14 02:37:13,317 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-14 02:37:13,348 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-14 02:37:13,348 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-14 02:37:13,351 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-14 02:37:13,352 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-14 02:37:13,354 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-14 02:37:13,356 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-14 02:37:13,356 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-14 02:37:13,357 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-14 02:37:13,359 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-14 02:37:13,359 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-14 02:37:13,362 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-14 02:37:13,364 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-14 02:37:13,366 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-14 02:37:13,366 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-14 02:37:13,368 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-14 02:37:13,369 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-14 02:37:13,373 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-14 02:37:13,374 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-14 02:37:13,375 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-14 02:37:13,376 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-14 02:37:13,376 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-14 02:37:13,381 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-14 02:37:13,381 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-14 02:37:13,382 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-14 02:37:13,383 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-14 02:37:13,383 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-14 02:37:13,384 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-14 02:37:13,384 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-14 02:37:13,386 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-14 02:37:13,387 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-14 02:37:13,387 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-14 02:37:13,388 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-14 02:37:13,388 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-14 02:37:13,388 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-14 02:37:13,388 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-14 02:37:13,389 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-14 02:37:13,389 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-14 02:37:13,390 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-14 02:37:13,390 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Bitvector.epf [2023-02-14 02:37:13,424 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-14 02:37:13,424 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-14 02:37:13,433 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-14 02:37:13,433 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-14 02:37:13,433 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-14 02:37:13,433 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-14 02:37:13,434 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-14 02:37:13,434 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-14 02:37:13,434 INFO L138 SettingsManager]: * Use SBE=true [2023-02-14 02:37:13,435 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-14 02:37:13,435 INFO L138 SettingsManager]: * sizeof long=4 [2023-02-14 02:37:13,435 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-02-14 02:37:13,435 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-02-14 02:37:13,436 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-14 02:37:13,436 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-02-14 02:37:13,436 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-14 02:37:13,436 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-02-14 02:37:13,436 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-02-14 02:37:13,436 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-02-14 02:37:13,436 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-02-14 02:37:13,436 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-02-14 02:37:13,437 INFO L138 SettingsManager]: * sizeof long double=12 [2023-02-14 02:37:13,437 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-14 02:37:13,437 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-14 02:37:13,437 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-02-14 02:37:13,437 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-14 02:37:13,437 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-14 02:37:13,438 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-14 02:37:13,438 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-14 02:37:13,438 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-14 02:37:13,438 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-14 02:37:13,438 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-02-14 02:37:13,438 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-02-14 02:37:13,438 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-02-14 02:37:13,439 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-14 02:37:13,439 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-02-14 02:37:13,439 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-14 02:37:13,439 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-14 02:37:13,439 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-02-14 02:37:13,439 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-14 02:37:13,439 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 53bf165bfbef55aa8ab289084a5d3d80b8d81c13dbafd349815c35b63fd8829c [2023-02-14 02:37:13,700 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-14 02:37:13,715 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-14 02:37:13,716 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-14 02:37:13,717 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-14 02:37:13,717 INFO L275 PluginConnector]: CDTParser initialized [2023-02-14 02:37:13,718 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector/modulus-1.i [2023-02-14 02:37:14,642 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-14 02:37:14,824 INFO L351 CDTParser]: Found 1 translation units. [2023-02-14 02:37:14,824 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/modulus-1.i [2023-02-14 02:37:14,830 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb3d7b717/1c71a7fd6b56447f8af84253deba860c/FLAG87288c4da [2023-02-14 02:37:14,843 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb3d7b717/1c71a7fd6b56447f8af84253deba860c [2023-02-14 02:37:14,845 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-14 02:37:14,846 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-14 02:37:14,848 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-14 02:37:14,848 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-14 02:37:14,851 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-14 02:37:14,852 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.02 02:37:14" (1/1) ... [2023-02-14 02:37:14,853 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76f4b54b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:37:14, skipping insertion in model container [2023-02-14 02:37:14,853 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.02 02:37:14" (1/1) ... [2023-02-14 02:37:14,858 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-14 02:37:14,874 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-14 02:37:14,999 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/modulus-1.i[1252,1265] [2023-02-14 02:37:15,018 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-14 02:37:15,029 INFO L203 MainTranslator]: Completed pre-run [2023-02-14 02:37:15,040 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/modulus-1.i[1252,1265] [2023-02-14 02:37:15,056 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-14 02:37:15,069 INFO L208 MainTranslator]: Completed translation [2023-02-14 02:37:15,072 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:37:15 WrapperNode [2023-02-14 02:37:15,072 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-14 02:37:15,073 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-14 02:37:15,073 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-14 02:37:15,074 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-14 02:37:15,078 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:37:15" (1/1) ... [2023-02-14 02:37:15,085 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:37:15" (1/1) ... [2023-02-14 02:37:15,099 INFO L138 Inliner]: procedures = 16, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 50 [2023-02-14 02:37:15,100 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-14 02:37:15,101 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-14 02:37:15,101 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-14 02:37:15,101 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-14 02:37:15,107 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:37:15" (1/1) ... [2023-02-14 02:37:15,107 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:37:15" (1/1) ... [2023-02-14 02:37:15,117 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:37:15" (1/1) ... [2023-02-14 02:37:15,117 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:37:15" (1/1) ... [2023-02-14 02:37:15,126 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:37:15" (1/1) ... [2023-02-14 02:37:15,129 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:37:15" (1/1) ... [2023-02-14 02:37:15,134 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:37:15" (1/1) ... [2023-02-14 02:37:15,137 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:37:15" (1/1) ... [2023-02-14 02:37:15,138 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-14 02:37:15,140 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-14 02:37:15,140 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-14 02:37:15,141 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-14 02:37:15,141 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:37:15" (1/1) ... [2023-02-14 02:37:15,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-14 02:37:15,154 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 02:37:15,167 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) [2023-02-14 02:37:15,191 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 [2023-02-14 02:37:15,209 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-02-14 02:37:15,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-02-14 02:37:15,210 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-14 02:37:15,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-14 02:37:15,264 INFO L235 CfgBuilder]: Building ICFG [2023-02-14 02:37:15,266 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-14 02:37:15,412 INFO L276 CfgBuilder]: Performing block encoding [2023-02-14 02:37:15,416 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-14 02:37:15,416 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2023-02-14 02:37:15,418 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.02 02:37:15 BoogieIcfgContainer [2023-02-14 02:37:15,418 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-14 02:37:15,419 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-02-14 02:37:15,420 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-02-14 02:37:15,422 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-02-14 02:37:15,422 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.02 02:37:14" (1/3) ... [2023-02-14 02:37:15,423 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17bed5cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.02 02:37:15, skipping insertion in model container [2023-02-14 02:37:15,423 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:37:15" (2/3) ... [2023-02-14 02:37:15,423 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17bed5cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.02 02:37:15, skipping insertion in model container [2023-02-14 02:37:15,423 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.02 02:37:15" (3/3) ... [2023-02-14 02:37:15,424 INFO L112 eAbstractionObserver]: Analyzing ICFG modulus-1.i [2023-02-14 02:37:15,436 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-02-14 02:37:15,443 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2023-02-14 02:37:15,473 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-02-14 02:37:15,478 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3e0fbb8c, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-02-14 02:37:15,478 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2023-02-14 02:37:15,481 INFO L276 IsEmpty]: Start isEmpty. Operand has 27 states, 21 states have (on average 1.619047619047619) internal successors, (34), 26 states have internal predecessors, (34), 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) [2023-02-14 02:37:15,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-02-14 02:37:15,486 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 02:37:15,486 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2023-02-14 02:37:15,487 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2023-02-14 02:37:15,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 02:37:15,490 INFO L85 PathProgramCache]: Analyzing trace with hash 28693827, now seen corresponding path program 1 times [2023-02-14 02:37:15,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-02-14 02:37:15,512 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1659185797] [2023-02-14 02:37:15,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 02:37:15,513 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-02-14 02:37:15,513 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-02-14 02:37:15,524 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-02-14 02:37:15,526 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-02-14 02:37:15,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:37:15,629 INFO L263 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 1 conjunts are in the unsatisfiable core [2023-02-14 02:37:15,631 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 02:37:15,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 02:37:15,654 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-02-14 02:37:15,654 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-02-14 02:37:15,654 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1659185797] [2023-02-14 02:37:15,655 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1659185797] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-14 02:37:15,656 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-14 02:37:15,656 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-02-14 02:37:15,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083161766] [2023-02-14 02:37:15,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-14 02:37:15,661 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-02-14 02:37:15,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-02-14 02:37:15,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-02-14 02:37:15,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-02-14 02:37:15,686 INFO L87 Difference]: Start difference. First operand has 27 states, 21 states have (on average 1.619047619047619) internal successors, (34), 26 states have internal predecessors, (34), 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 2 states, 2 states have (on average 2.5) internal successors, (5), 2 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) [2023-02-14 02:37:15,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 02:37:15,699 INFO L93 Difference]: Finished difference Result 50 states and 64 transitions. [2023-02-14 02:37:15,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-02-14 02:37:15,701 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 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 [2023-02-14 02:37:15,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 02:37:15,706 INFO L225 Difference]: With dead ends: 50 [2023-02-14 02:37:15,706 INFO L226 Difference]: Without dead ends: 12 [2023-02-14 02:37:15,709 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-02-14 02:37:15,712 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-14 02:37:15,713 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-14 02:37:15,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2023-02-14 02:37:15,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2023-02-14 02:37:15,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 8 states have (on average 1.375) internal successors, (11), 11 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) [2023-02-14 02:37:15,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 11 transitions. [2023-02-14 02:37:15,747 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 11 transitions. Word has length 5 [2023-02-14 02:37:15,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 02:37:15,748 INFO L495 AbstractCegarLoop]: Abstraction has 12 states and 11 transitions. [2023-02-14 02:37:15,748 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 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) [2023-02-14 02:37:15,749 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 11 transitions. [2023-02-14 02:37:15,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-02-14 02:37:15,749 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 02:37:15,749 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2023-02-14 02:37:15,758 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-02-14 02:37:15,955 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-02-14 02:37:15,956 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2023-02-14 02:37:15,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 02:37:15,957 INFO L85 PathProgramCache]: Analyzing trace with hash 28695749, now seen corresponding path program 1 times [2023-02-14 02:37:15,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-02-14 02:37:15,957 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1006290223] [2023-02-14 02:37:15,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 02:37:15,957 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-02-14 02:37:15,958 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-02-14 02:37:15,963 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-02-14 02:37:15,964 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-02-14 02:37:15,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:37:15,984 INFO L263 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 4 conjunts are in the unsatisfiable core [2023-02-14 02:37:15,985 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 02:37:16,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 02:37:16,048 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-02-14 02:37:16,048 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-02-14 02:37:16,048 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1006290223] [2023-02-14 02:37:16,049 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1006290223] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-14 02:37:16,049 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-14 02:37:16,049 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-14 02:37:16,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552013795] [2023-02-14 02:37:16,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-14 02:37:16,050 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-14 02:37:16,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-02-14 02:37:16,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-14 02:37:16,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-14 02:37:16,055 INFO L87 Difference]: Start difference. First operand 12 states and 11 transitions. Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 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) [2023-02-14 02:37:16,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 02:37:16,096 INFO L93 Difference]: Finished difference Result 12 states and 11 transitions. [2023-02-14 02:37:16,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-14 02:37:16,098 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 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 [2023-02-14 02:37:16,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 02:37:16,098 INFO L225 Difference]: With dead ends: 12 [2023-02-14 02:37:16,098 INFO L226 Difference]: Without dead ends: 10 [2023-02-14 02:37:16,098 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 [2023-02-14 02:37:16,099 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 12 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 5 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-14 02:37:16,099 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 5 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-14 02:37:16,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2023-02-14 02:37:16,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2023-02-14 02:37:16,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 8 states have (on average 1.125) internal successors, (9), 9 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) [2023-02-14 02:37:16,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 9 transitions. [2023-02-14 02:37:16,101 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 9 transitions. Word has length 5 [2023-02-14 02:37:16,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 02:37:16,101 INFO L495 AbstractCegarLoop]: Abstraction has 10 states and 9 transitions. [2023-02-14 02:37:16,101 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 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) [2023-02-14 02:37:16,101 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 9 transitions. [2023-02-14 02:37:16,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-02-14 02:37:16,102 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 02:37:16,102 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-02-14 02:37:16,110 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-02-14 02:37:16,302 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-02-14 02:37:16,303 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2023-02-14 02:37:16,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 02:37:16,303 INFO L85 PathProgramCache]: Analyzing trace with hash 1806812391, now seen corresponding path program 1 times [2023-02-14 02:37:16,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-02-14 02:37:16,304 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [405221731] [2023-02-14 02:37:16,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 02:37:16,304 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-02-14 02:37:16,304 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-02-14 02:37:16,305 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-02-14 02:37:16,320 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-02-14 02:37:16,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-14 02:37:16,353 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-14 02:37:16,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-14 02:37:16,377 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2023-02-14 02:37:16,378 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-02-14 02:37:16,379 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 5 remaining) [2023-02-14 02:37:16,380 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 5 remaining) [2023-02-14 02:37:16,384 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 5 remaining) [2023-02-14 02:37:16,384 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 5 remaining) [2023-02-14 02:37:16,385 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 5 remaining) [2023-02-14 02:37:16,409 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-02-14 02:37:16,609 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-02-14 02:37:16,611 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-02-14 02:37:16,614 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-02-14 02:37:16,626 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.02 02:37:16 BoogieIcfgContainer [2023-02-14 02:37:16,626 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-02-14 02:37:16,626 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-02-14 02:37:16,626 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-02-14 02:37:16,627 INFO L275 PluginConnector]: Witness Printer initialized [2023-02-14 02:37:16,627 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.02 02:37:15" (3/4) ... [2023-02-14 02:37:16,628 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-02-14 02:37:16,647 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-02-14 02:37:16,647 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-02-14 02:37:16,648 INFO L158 Benchmark]: Toolchain (without parser) took 1801.93ms. Allocated memory is still 79.7MB. Free memory was 56.1MB in the beginning and 40.0MB in the end (delta: 16.0MB). Peak memory consumption was 17.6MB. Max. memory is 16.1GB. [2023-02-14 02:37:16,648 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 58.7MB. Free memory was 35.4MB in the beginning and 35.4MB in the end (delta: 46.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-14 02:37:16,648 INFO L158 Benchmark]: CACSL2BoogieTranslator took 224.76ms. Allocated memory is still 79.7MB. Free memory was 55.9MB in the beginning and 45.0MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-02-14 02:37:16,649 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.70ms. Allocated memory is still 79.7MB. Free memory was 45.0MB in the beginning and 43.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-14 02:37:16,649 INFO L158 Benchmark]: Boogie Preprocessor took 38.92ms. Allocated memory is still 79.7MB. Free memory was 43.5MB in the beginning and 42.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-14 02:37:16,649 INFO L158 Benchmark]: RCFGBuilder took 278.33ms. Allocated memory is still 79.7MB. Free memory was 42.2MB in the beginning and 50.5MB in the end (delta: -8.3MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB. [2023-02-14 02:37:16,649 INFO L158 Benchmark]: TraceAbstraction took 1206.42ms. Allocated memory is still 79.7MB. Free memory was 50.1MB in the beginning and 41.7MB in the end (delta: 8.4MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. [2023-02-14 02:37:16,650 INFO L158 Benchmark]: Witness Printer took 20.90ms. Allocated memory is still 79.7MB. Free memory was 41.7MB in the beginning and 40.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-14 02:37:16,655 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 58.7MB. Free memory was 35.4MB in the beginning and 35.4MB in the end (delta: 46.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 224.76ms. Allocated memory is still 79.7MB. Free memory was 55.9MB in the beginning and 45.0MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.70ms. Allocated memory is still 79.7MB. Free memory was 45.0MB in the beginning and 43.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.92ms. Allocated memory is still 79.7MB. Free memory was 43.5MB in the beginning and 42.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 278.33ms. Allocated memory is still 79.7MB. Free memory was 42.2MB in the beginning and 50.5MB in the end (delta: -8.3MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB. * TraceAbstraction took 1206.42ms. Allocated memory is still 79.7MB. Free memory was 50.1MB in the beginning and 41.7MB in the end (delta: 8.4MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. * Witness Printer took 20.90ms. Allocated memory is still 79.7MB. Free memory was 41.7MB in the beginning and 40.0MB in the end (delta: 1.7MB). 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 - CounterExampleResult [Line: 51]: integer overflow possible integer overflow possible We found a FailurePath: [L46] unsigned int n = __VERIFIER_nondet_uint(); [L47] unsigned int s = __VERIFIER_nondet_uint(); [L48] unsigned int d; [L49] unsigned int m; [L50] CALL assume_abort_if_not(s < 32) [L11] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L50] RET assume_abort_if_not(s < 32) [L51] 1 << s VAL [s=31] - UnprovableResult [Line: 51]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 51]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 51]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 51]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 27 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 12 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 12 mSDsluCounter, 34 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 32 mSDtfsCounter, 7 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=27occurred in iteration=0, InterpolantAutomatonStates: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 27 SizeOfPredicates, 2 NumberOfNonLiveVariables, 34 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 RESULT: Ultimate proved your program to be incorrect! [2023-02-14 02:37:16,675 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)