./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/termination-restricted-15/PastaC3.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 7e1ff0e6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/termination-restricted-15/PastaC3.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c651b2cf12ef151f8c483095acc3023b343707b6f3267a95c45195266139a503 --- Real Ultimate output --- This is Ultimate 0.2.2-?-7e1ff0e [2023-02-15 02:16:06,612 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-15 02:16:06,613 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-15 02:16:06,634 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-15 02:16:06,635 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-15 02:16:06,635 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-15 02:16:06,636 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-15 02:16:06,641 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-15 02:16:06,642 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-15 02:16:06,643 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-15 02:16:06,644 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-15 02:16:06,647 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-15 02:16:06,647 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-15 02:16:06,648 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-15 02:16:06,650 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-15 02:16:06,651 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-15 02:16:06,652 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-15 02:16:06,654 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-15 02:16:06,656 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-15 02:16:06,658 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-15 02:16:06,659 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-15 02:16:06,662 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-15 02:16:06,663 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-15 02:16:06,669 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-15 02:16:06,672 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-15 02:16:06,673 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-15 02:16:06,673 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-15 02:16:06,673 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-15 02:16:06,674 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-15 02:16:06,674 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-15 02:16:06,674 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-15 02:16:06,675 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-15 02:16:06,676 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-15 02:16:06,676 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-15 02:16:06,677 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-15 02:16:06,677 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-15 02:16:06,677 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-15 02:16:06,678 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-15 02:16:06,678 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-15 02:16:06,678 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-15 02:16:06,679 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-15 02:16:06,681 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-02-15 02:16:06,699 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-15 02:16:06,699 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-15 02:16:06,699 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-15 02:16:06,699 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-15 02:16:06,700 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-15 02:16:06,700 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-15 02:16:06,701 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-15 02:16:06,701 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-15 02:16:06,701 INFO L138 SettingsManager]: * Use SBE=true [2023-02-15 02:16:06,701 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-15 02:16:06,701 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-02-15 02:16:06,701 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-15 02:16:06,702 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-15 02:16:06,702 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-02-15 02:16:06,702 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-15 02:16:06,702 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-02-15 02:16:06,702 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-02-15 02:16:06,702 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-15 02:16:06,702 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-15 02:16:06,703 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-02-15 02:16:06,703 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-15 02:16:06,703 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-15 02:16:06,703 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-15 02:16:06,703 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-15 02:16:06,703 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-15 02:16:06,704 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-15 02:16:06,704 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-02-15 02:16:06,704 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-15 02:16:06,704 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-02-15 02:16:06,704 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-15 02:16:06,704 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-02-15 02:16:06,705 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-15 02:16:06,705 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-15 02:16:06,705 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-15 02:16:06,705 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c651b2cf12ef151f8c483095acc3023b343707b6f3267a95c45195266139a503 [2023-02-15 02:16:06,901 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-15 02:16:06,922 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-15 02:16:06,924 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-15 02:16:06,925 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-15 02:16:06,925 INFO L275 PluginConnector]: CDTParser initialized [2023-02-15 02:16:06,926 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-restricted-15/PastaC3.c [2023-02-15 02:16:07,890 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-15 02:16:08,037 INFO L351 CDTParser]: Found 1 translation units. [2023-02-15 02:16:08,037 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-restricted-15/PastaC3.c [2023-02-15 02:16:08,041 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/44e56009e/4a1ebbfb1a6a47c2a190e5be22fb8b5e/FLAG308ae4766 [2023-02-15 02:16:08,052 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/44e56009e/4a1ebbfb1a6a47c2a190e5be22fb8b5e [2023-02-15 02:16:08,054 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-15 02:16:08,055 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-15 02:16:08,056 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-15 02:16:08,056 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-15 02:16:08,058 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-15 02:16:08,059 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 02:16:08" (1/1) ... [2023-02-15 02:16:08,061 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e31e485 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:16:08, skipping insertion in model container [2023-02-15 02:16:08,062 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 02:16:08" (1/1) ... [2023-02-15 02:16:08,066 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-15 02:16:08,077 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-15 02:16:08,170 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-15 02:16:08,173 INFO L203 MainTranslator]: Completed pre-run [2023-02-15 02:16:08,181 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-15 02:16:08,189 INFO L208 MainTranslator]: Completed translation [2023-02-15 02:16:08,190 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:16:08 WrapperNode [2023-02-15 02:16:08,190 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-15 02:16:08,191 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-15 02:16:08,191 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-15 02:16:08,191 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-15 02:16:08,196 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:16:08" (1/1) ... [2023-02-15 02:16:08,199 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:16:08" (1/1) ... [2023-02-15 02:16:08,210 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 27 [2023-02-15 02:16:08,211 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-15 02:16:08,211 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-15 02:16:08,212 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-15 02:16:08,212 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-15 02:16:08,217 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:16:08" (1/1) ... [2023-02-15 02:16:08,217 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:16:08" (1/1) ... [2023-02-15 02:16:08,217 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:16:08" (1/1) ... [2023-02-15 02:16:08,218 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:16:08" (1/1) ... [2023-02-15 02:16:08,219 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:16:08" (1/1) ... [2023-02-15 02:16:08,220 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:16:08" (1/1) ... [2023-02-15 02:16:08,221 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:16:08" (1/1) ... [2023-02-15 02:16:08,221 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:16:08" (1/1) ... [2023-02-15 02:16:08,222 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-15 02:16:08,223 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-15 02:16:08,223 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-15 02:16:08,223 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-15 02:16:08,223 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:16:08" (1/1) ... [2023-02-15 02:16:08,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-15 02:16:08,234 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 02:16:08,243 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-02-15 02:16:08,245 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-02-15 02:16:08,268 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-15 02:16:08,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-15 02:16:08,314 INFO L235 CfgBuilder]: Building ICFG [2023-02-15 02:16:08,315 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-15 02:16:08,376 INFO L276 CfgBuilder]: Performing block encoding [2023-02-15 02:16:08,380 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-15 02:16:08,380 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2023-02-15 02:16:08,381 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 02:16:08 BoogieIcfgContainer [2023-02-15 02:16:08,381 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-15 02:16:08,383 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-02-15 02:16:08,383 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-02-15 02:16:08,385 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-02-15 02:16:08,386 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.02 02:16:08" (1/3) ... [2023-02-15 02:16:08,386 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1849accd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 02:16:08, skipping insertion in model container [2023-02-15 02:16:08,386 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:16:08" (2/3) ... [2023-02-15 02:16:08,387 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1849accd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 02:16:08, skipping insertion in model container [2023-02-15 02:16:08,387 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 02:16:08" (3/3) ... [2023-02-15 02:16:08,388 INFO L112 eAbstractionObserver]: Analyzing ICFG PastaC3.c [2023-02-15 02:16:08,411 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-02-15 02:16:08,411 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-02-15 02:16:08,443 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-02-15 02:16:08,448 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;@a0210ce, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-02-15 02:16:08,448 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-02-15 02:16:08,453 INFO L276 IsEmpty]: Start isEmpty. Operand has 16 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 15 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 02:16:08,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-02-15 02:16:08,457 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 02:16:08,458 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2023-02-15 02:16:08,458 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-02-15 02:16:08,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 02:16:08,463 INFO L85 PathProgramCache]: Analyzing trace with hash 28699945, now seen corresponding path program 1 times [2023-02-15 02:16:08,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 02:16:08,470 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819456036] [2023-02-15 02:16:08,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 02:16:08,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 02:16:08,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 02:16:08,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 02:16:08,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 02:16:08,606 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819456036] [2023-02-15 02:16:08,606 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [819456036] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 02:16:08,606 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 02:16:08,607 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-02-15 02:16:08,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117590061] [2023-02-15 02:16:08,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 02:16:08,616 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-15 02:16:08,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 02:16:08,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-15 02:16:08,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 02:16:08,654 INFO L87 Difference]: Start difference. First operand has 16 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 15 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 02:16:08,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 02:16:08,679 INFO L93 Difference]: Finished difference Result 20 states and 21 transitions. [2023-02-15 02:16:08,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-15 02:16:08,682 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2023-02-15 02:16:08,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 02:16:08,687 INFO L225 Difference]: With dead ends: 20 [2023-02-15 02:16:08,687 INFO L226 Difference]: Without dead ends: 11 [2023-02-15 02:16:08,689 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 02:16:08,691 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 11 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-15 02:16:08,692 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 12 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-15 02:16:08,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2023-02-15 02:16:08,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2023-02-15 02:16:08,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 8 states have (on average 1.5) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 02:16:08,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 12 transitions. [2023-02-15 02:16:08,728 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 12 transitions. Word has length 5 [2023-02-15 02:16:08,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 02:16:08,733 INFO L495 AbstractCegarLoop]: Abstraction has 11 states and 12 transitions. [2023-02-15 02:16:08,733 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 02:16:08,734 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2023-02-15 02:16:08,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-02-15 02:16:08,734 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 02:16:08,734 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2023-02-15 02:16:08,734 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-02-15 02:16:08,735 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-02-15 02:16:08,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 02:16:08,736 INFO L85 PathProgramCache]: Analyzing trace with hash 28699753, now seen corresponding path program 1 times [2023-02-15 02:16:08,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 02:16:08,736 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172136942] [2023-02-15 02:16:08,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 02:16:08,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 02:16:08,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 02:16:08,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 02:16:08,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 02:16:08,787 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172136942] [2023-02-15 02:16:08,787 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1172136942] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 02:16:08,787 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 02:16:08,788 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-02-15 02:16:08,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464127965] [2023-02-15 02:16:08,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 02:16:08,789 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-15 02:16:08,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 02:16:08,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-15 02:16:08,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 02:16:08,790 INFO L87 Difference]: Start difference. First operand 11 states and 12 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 02:16:08,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 02:16:08,799 INFO L93 Difference]: Finished difference Result 11 states and 12 transitions. [2023-02-15 02:16:08,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-15 02:16:08,800 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2023-02-15 02:16:08,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 02:16:08,800 INFO L225 Difference]: With dead ends: 11 [2023-02-15 02:16:08,800 INFO L226 Difference]: Without dead ends: 10 [2023-02-15 02:16:08,801 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 02:16:08,802 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 6 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-15 02:16:08,802 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 6 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-15 02:16:08,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2023-02-15 02:16:08,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2023-02-15 02:16:08,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 02:16:08,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 11 transitions. [2023-02-15 02:16:08,805 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 11 transitions. Word has length 5 [2023-02-15 02:16:08,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 02:16:08,805 INFO L495 AbstractCegarLoop]: Abstraction has 10 states and 11 transitions. [2023-02-15 02:16:08,805 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 02:16:08,806 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2023-02-15 02:16:08,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-02-15 02:16:08,806 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 02:16:08,806 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-02-15 02:16:08,806 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-02-15 02:16:08,807 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-02-15 02:16:08,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 02:16:08,810 INFO L85 PathProgramCache]: Analyzing trace with hash 889698349, now seen corresponding path program 1 times [2023-02-15 02:16:08,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 02:16:08,811 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548776299] [2023-02-15 02:16:08,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 02:16:08,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 02:16:08,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 02:16:08,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 02:16:08,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 02:16:08,869 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548776299] [2023-02-15 02:16:08,869 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1548776299] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 02:16:08,870 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 02:16:08,870 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-02-15 02:16:08,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405416010] [2023-02-15 02:16:08,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 02:16:08,871 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-02-15 02:16:08,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 02:16:08,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-02-15 02:16:08,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-02-15 02:16:08,872 INFO L87 Difference]: Start difference. First operand 10 states and 11 transitions. Second operand has 5 states, 4 states have (on average 1.5) internal successors, (6), 5 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 02:16:08,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 02:16:08,911 INFO L93 Difference]: Finished difference Result 11 states and 12 transitions. [2023-02-15 02:16:08,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-02-15 02:16:08,912 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.5) internal successors, (6), 5 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2023-02-15 02:16:08,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 02:16:08,912 INFO L225 Difference]: With dead ends: 11 [2023-02-15 02:16:08,912 INFO L226 Difference]: Without dead ends: 0 [2023-02-15 02:16:08,913 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-02-15 02:16:08,914 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 12 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 5 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-15 02:16:08,914 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 5 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-15 02:16:08,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-02-15 02:16:08,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-02-15 02:16:08,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 02:16:08,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-02-15 02:16:08,915 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 6 [2023-02-15 02:16:08,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 02:16:08,915 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-02-15 02:16:08,916 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.5) internal successors, (6), 5 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 02:16:08,916 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-02-15 02:16:08,916 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-02-15 02:16:08,918 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2023-02-15 02:16:08,918 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2023-02-15 02:16:08,918 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2023-02-15 02:16:08,919 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2023-02-15 02:16:08,919 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-02-15 02:16:08,920 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-02-15 02:16:08,949 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 15) no Hoare annotation was computed. [2023-02-15 02:16:08,949 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-02-15 02:16:08,949 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 17) no Hoare annotation was computed. [2023-02-15 02:16:08,950 INFO L899 garLoopResultBuilder]: For program point L17(line 17) no Hoare annotation was computed. [2023-02-15 02:16:08,950 INFO L899 garLoopResultBuilder]: For program point L17-1(line 17) no Hoare annotation was computed. [2023-02-15 02:16:08,950 INFO L899 garLoopResultBuilder]: For program point L15(line 15) no Hoare annotation was computed. [2023-02-15 02:16:08,950 INFO L899 garLoopResultBuilder]: For program point L15-1(line 15) no Hoare annotation was computed. [2023-02-15 02:16:08,950 INFO L899 garLoopResultBuilder]: For program point L13-2(lines 13 19) no Hoare annotation was computed. [2023-02-15 02:16:08,950 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-02-15 02:16:08,951 INFO L895 garLoopResultBuilder]: At program point main_returnLabel#1(lines 5 22) the Hoare annotation is: (<= 0 (+ |ULTIMATE.start_main_~z~0#1| 2147483648)) [2023-02-15 02:16:08,951 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-02-15 02:16:08,951 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 15) no Hoare annotation was computed. [2023-02-15 02:16:08,951 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 17) no Hoare annotation was computed. [2023-02-15 02:16:08,951 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-02-15 02:16:08,951 INFO L899 garLoopResultBuilder]: For program point L14(lines 14 18) no Hoare annotation was computed. [2023-02-15 02:16:08,951 INFO L895 garLoopResultBuilder]: At program point L14-2(lines 13 19) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~z~0#1| 2147483648)) (<= 0 (+ |ULTIMATE.start_main_~x~0#1| 2147483648)) (<= |ULTIMATE.start_main_~y~0#1| 2147483647)) [2023-02-15 02:16:08,954 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-02-15 02:16:08,955 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-02-15 02:16:08,966 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.02 02:16:08 BoogieIcfgContainer [2023-02-15 02:16:08,966 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-02-15 02:16:08,967 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-02-15 02:16:08,967 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-02-15 02:16:08,967 INFO L275 PluginConnector]: Witness Printer initialized [2023-02-15 02:16:08,968 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 02:16:08" (3/4) ... [2023-02-15 02:16:08,970 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-02-15 02:16:08,976 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-02-15 02:16:08,976 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-02-15 02:16:08,976 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-02-15 02:16:08,999 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-02-15 02:16:09,005 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-02-15 02:16:09,006 INFO L158 Benchmark]: Toolchain (without parser) took 950.77ms. Allocated memory was 127.9MB in the beginning and 155.2MB in the end (delta: 27.3MB). Free memory was 99.1MB in the beginning and 111.9MB in the end (delta: -12.8MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. [2023-02-15 02:16:09,006 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 127.9MB. Free memory is still 86.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-02-15 02:16:09,007 INFO L158 Benchmark]: CACSL2BoogieTranslator took 134.87ms. Allocated memory is still 127.9MB. Free memory was 98.8MB in the beginning and 89.9MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-02-15 02:16:09,007 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.74ms. Allocated memory is still 127.9MB. Free memory was 89.9MB in the beginning and 88.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-15 02:16:09,009 INFO L158 Benchmark]: Boogie Preprocessor took 10.60ms. Allocated memory is still 127.9MB. Free memory was 88.3MB in the beginning and 87.5MB in the end (delta: 764.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-15 02:16:09,009 INFO L158 Benchmark]: RCFGBuilder took 159.06ms. Allocated memory is still 127.9MB. Free memory was 87.2MB in the beginning and 78.6MB in the end (delta: 8.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-02-15 02:16:09,009 INFO L158 Benchmark]: TraceAbstraction took 583.32ms. Allocated memory was 127.9MB in the beginning and 155.2MB in the end (delta: 27.3MB). Free memory was 77.8MB in the beginning and 114.0MB in the end (delta: -36.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-15 02:16:09,011 INFO L158 Benchmark]: Witness Printer took 38.32ms. Allocated memory is still 155.2MB. Free memory was 114.0MB in the beginning and 111.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-15 02:16:09,013 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 86.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 134.87ms. Allocated memory is still 127.9MB. Free memory was 98.8MB in the beginning and 89.9MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 19.74ms. Allocated memory is still 127.9MB. Free memory was 89.9MB in the beginning and 88.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 10.60ms. Allocated memory is still 127.9MB. Free memory was 88.3MB in the beginning and 87.5MB in the end (delta: 764.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 159.06ms. Allocated memory is still 127.9MB. Free memory was 87.2MB in the beginning and 78.6MB in the end (delta: 8.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 583.32ms. Allocated memory was 127.9MB in the beginning and 155.2MB in the end (delta: 27.3MB). Free memory was 77.8MB in the beginning and 114.0MB in the end (delta: -36.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 38.32ms. Allocated memory is still 155.2MB. Free memory was 114.0MB in the beginning and 111.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 15]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 15]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 17]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 17]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 16 locations, 4 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, 29 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 29 mSDsluCounter, 23 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 28 IncrementalHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 18 mSDtfsCounter, 28 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=16occurred in iteration=0, InterpolantAutomatonStates: 11, 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, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 4 NumberOfFragments, 19 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 18 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 16 NumberOfCodeBlocks, 16 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 13 ConstructedInterpolants, 0 QuantifiedInterpolants, 45 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 5]: Loop Invariant Derived loop invariant: 0 <= z + 2147483648 - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: (0 <= z + 2147483648 && 0 <= x + 2147483648) && y <= 2147483647 RESULT: Ultimate proved your program to be correct! [2023-02-15 02:16:09,031 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE