./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-wise.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 574ddb4e 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-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-wise.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 024b54dcc71a4cff37fb88a3019598a20adbf40036f66c2a7f758cfecaaffadc --- Real Ultimate output --- This is Ultimate 0.2.2-?-574ddb4 [2023-02-17 09:22:16,069 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-17 09:22:16,070 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-17 09:22:16,099 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-17 09:22:16,102 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-17 09:22:16,105 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-17 09:22:16,106 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-17 09:22:16,109 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-17 09:22:16,111 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-17 09:22:16,113 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-17 09:22:16,113 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-17 09:22:16,114 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-17 09:22:16,115 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-17 09:22:16,115 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-17 09:22:16,116 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-17 09:22:16,117 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-17 09:22:16,118 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-17 09:22:16,119 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-17 09:22:16,120 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-17 09:22:16,121 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-17 09:22:16,125 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-17 09:22:16,126 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-17 09:22:16,127 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-17 09:22:16,129 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-17 09:22:16,131 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-17 09:22:16,134 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-17 09:22:16,134 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-17 09:22:16,135 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-17 09:22:16,135 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-17 09:22:16,136 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-17 09:22:16,136 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-17 09:22:16,137 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-17 09:22:16,137 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-17 09:22:16,138 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-17 09:22:16,139 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-17 09:22:16,139 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-17 09:22:16,139 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-17 09:22:16,140 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-17 09:22:16,140 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-17 09:22:16,141 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-17 09:22:16,141 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-17 09:22:16,142 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-02-17 09:22:16,163 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-17 09:22:16,164 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-17 09:22:16,164 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-17 09:22:16,164 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-17 09:22:16,165 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-17 09:22:16,165 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-17 09:22:16,166 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-17 09:22:16,166 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-17 09:22:16,166 INFO L138 SettingsManager]: * Use SBE=true [2023-02-17 09:22:16,166 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-17 09:22:16,166 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-02-17 09:22:16,166 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-17 09:22:16,167 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-17 09:22:16,167 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-02-17 09:22:16,167 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-17 09:22:16,167 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-02-17 09:22:16,167 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-02-17 09:22:16,168 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-17 09:22:16,168 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-17 09:22:16,168 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-02-17 09:22:16,168 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-17 09:22:16,168 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-17 09:22:16,168 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-17 09:22:16,169 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-17 09:22:16,169 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-17 09:22:16,169 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-17 09:22:16,169 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-02-17 09:22:16,169 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-17 09:22:16,170 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-02-17 09:22:16,170 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-17 09:22:16,170 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-02-17 09:22:16,170 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-17 09:22:16,170 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-17 09:22:16,170 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-17 09:22:16,171 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 024b54dcc71a4cff37fb88a3019598a20adbf40036f66c2a7f758cfecaaffadc [2023-02-17 09:22:16,351 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-17 09:22:16,366 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-17 09:22:16,368 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-17 09:22:16,369 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-17 09:22:16,370 INFO L275 PluginConnector]: CDTParser initialized [2023-02-17 09:22:16,371 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-wise.c [2023-02-17 09:22:17,508 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-17 09:22:17,682 INFO L351 CDTParser]: Found 1 translation units. [2023-02-17 09:22:17,683 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-wise.c [2023-02-17 09:22:17,688 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/931aa897e/5b48604c95b24692915da5bf4b115ce7/FLAGd4ebfd64f [2023-02-17 09:22:17,701 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/931aa897e/5b48604c95b24692915da5bf4b115ce7 [2023-02-17 09:22:17,702 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-17 09:22:17,703 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-17 09:22:17,704 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-17 09:22:17,704 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-17 09:22:17,707 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-17 09:22:17,708 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.02 09:22:17" (1/1) ... [2023-02-17 09:22:17,708 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ad69f4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 09:22:17, skipping insertion in model container [2023-02-17 09:22:17,709 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.02 09:22:17" (1/1) ... [2023-02-17 09:22:17,715 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-17 09:22:17,727 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-17 09:22:17,830 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-17 09:22:17,834 INFO L203 MainTranslator]: Completed pre-run [2023-02-17 09:22:17,847 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-17 09:22:17,857 INFO L208 MainTranslator]: Completed translation [2023-02-17 09:22:17,858 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 09:22:17 WrapperNode [2023-02-17 09:22:17,858 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-17 09:22:17,860 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-17 09:22:17,860 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-17 09:22:17,860 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-17 09:22:17,866 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 09:22:17" (1/1) ... [2023-02-17 09:22:17,869 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 09:22:17" (1/1) ... [2023-02-17 09:22:17,882 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 33 [2023-02-17 09:22:17,882 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-17 09:22:17,884 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-17 09:22:17,884 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-17 09:22:17,884 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-17 09:22:17,891 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 09:22:17" (1/1) ... [2023-02-17 09:22:17,891 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 09:22:17" (1/1) ... [2023-02-17 09:22:17,892 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 09:22:17" (1/1) ... [2023-02-17 09:22:17,892 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 09:22:17" (1/1) ... [2023-02-17 09:22:17,898 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 09:22:17" (1/1) ... [2023-02-17 09:22:17,902 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 09:22:17" (1/1) ... [2023-02-17 09:22:17,903 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 09:22:17" (1/1) ... [2023-02-17 09:22:17,903 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 09:22:17" (1/1) ... [2023-02-17 09:22:17,909 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-17 09:22:17,911 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-17 09:22:17,911 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-17 09:22:17,912 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-17 09:22:17,913 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 09:22:17" (1/1) ... [2023-02-17 09:22:17,918 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-17 09:22:17,926 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 09:22:17,942 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) [2023-02-17 09:22:17,944 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 [2023-02-17 09:22:17,979 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-17 09:22:17,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-17 09:22:18,041 INFO L235 CfgBuilder]: Building ICFG [2023-02-17 09:22:18,042 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-17 09:22:18,174 INFO L276 CfgBuilder]: Performing block encoding [2023-02-17 09:22:18,179 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-17 09:22:18,188 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2023-02-17 09:22:18,191 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.02 09:22:18 BoogieIcfgContainer [2023-02-17 09:22:18,191 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-17 09:22:18,193 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-02-17 09:22:18,208 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-02-17 09:22:18,211 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-02-17 09:22:18,212 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.02 09:22:17" (1/3) ... [2023-02-17 09:22:18,212 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39f7431a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.02 09:22:18, skipping insertion in model container [2023-02-17 09:22:18,213 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 09:22:17" (2/3) ... [2023-02-17 09:22:18,213 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39f7431a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.02 09:22:18, skipping insertion in model container [2023-02-17 09:22:18,213 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.02 09:22:18" (3/3) ... [2023-02-17 09:22:18,214 INFO L112 eAbstractionObserver]: Analyzing ICFG AliasDarteFeautrierGonnord-SAS2010-wise.c [2023-02-17 09:22:18,243 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-02-17 09:22:18,243 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2023-02-17 09:22:18,280 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-02-17 09:22:18,285 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;@196d7597, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-02-17 09:22:18,285 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2023-02-17 09:22:18,288 INFO L276 IsEmpty]: Start isEmpty. Operand has 26 states, 17 states have (on average 1.7647058823529411) internal successors, (30), 25 states have internal predecessors, (30), 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) [2023-02-17 09:22:18,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-02-17 09:22:18,292 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 09:22:18,293 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-02-17 09:22:18,293 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-02-17 09:22:18,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 09:22:18,297 INFO L85 PathProgramCache]: Analyzing trace with hash 925608, now seen corresponding path program 1 times [2023-02-17 09:22:18,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 09:22:18,304 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459292777] [2023-02-17 09:22:18,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 09:22:18,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 09:22:18,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 09:22:18,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 09:22:18,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 09:22:18,447 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1459292777] [2023-02-17 09:22:18,447 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1459292777] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 09:22:18,447 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-17 09:22:18,448 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-17 09:22:18,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [212713078] [2023-02-17 09:22:18,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 09:22:18,453 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-17 09:22:18,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 09:22:18,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-17 09:22:18,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-17 09:22:18,481 INFO L87 Difference]: Start difference. First operand has 26 states, 17 states have (on average 1.7647058823529411) internal successors, (30), 25 states have internal predecessors, (30), 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 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 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) [2023-02-17 09:22:18,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 09:22:18,601 INFO L93 Difference]: Finished difference Result 46 states and 55 transitions. [2023-02-17 09:22:18,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-17 09:22:18,604 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 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 4 [2023-02-17 09:22:18,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 09:22:18,610 INFO L225 Difference]: With dead ends: 46 [2023-02-17 09:22:18,610 INFO L226 Difference]: Without dead ends: 32 [2023-02-17 09:22:18,613 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-02-17 09:22:18,616 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 63 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-17 09:22:18,617 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 21 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-17 09:22:18,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2023-02-17 09:22:18,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 31. [2023-02-17 09:22:18,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 23 states have (on average 1.6956521739130435) internal successors, (39), 30 states have internal predecessors, (39), 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) [2023-02-17 09:22:18,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 39 transitions. [2023-02-17 09:22:18,642 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 39 transitions. Word has length 4 [2023-02-17 09:22:18,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 09:22:18,643 INFO L495 AbstractCegarLoop]: Abstraction has 31 states and 39 transitions. [2023-02-17 09:22:18,643 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 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) [2023-02-17 09:22:18,643 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 39 transitions. [2023-02-17 09:22:18,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-02-17 09:22:18,644 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 09:22:18,644 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2023-02-17 09:22:18,644 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-02-17 09:22:18,645 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-02-17 09:22:18,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 09:22:18,648 INFO L85 PathProgramCache]: Analyzing trace with hash 28693891, now seen corresponding path program 1 times [2023-02-17 09:22:18,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 09:22:18,649 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1986111003] [2023-02-17 09:22:18,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 09:22:18,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 09:22:18,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 09:22:18,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 09:22:18,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 09:22:18,696 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1986111003] [2023-02-17 09:22:18,696 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1986111003] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 09:22:18,697 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-17 09:22:18,697 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-17 09:22:18,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714055145] [2023-02-17 09:22:18,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 09:22:18,699 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-17 09:22:18,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 09:22:18,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-17 09:22:18,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-17 09:22:18,701 INFO L87 Difference]: Start difference. First operand 31 states and 39 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) [2023-02-17 09:22:18,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 09:22:18,767 INFO L93 Difference]: Finished difference Result 36 states and 46 transitions. [2023-02-17 09:22:18,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-17 09:22:18,768 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 [2023-02-17 09:22:18,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 09:22:18,769 INFO L225 Difference]: With dead ends: 36 [2023-02-17 09:22:18,770 INFO L226 Difference]: Without dead ends: 34 [2023-02-17 09:22:18,770 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-02-17 09:22:18,772 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 39 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-17 09:22:18,773 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 7 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-17 09:22:18,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2023-02-17 09:22:18,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2023-02-17 09:22:18,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 27 states have (on average 1.5555555555555556) internal successors, (42), 33 states have internal predecessors, (42), 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) [2023-02-17 09:22:18,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 42 transitions. [2023-02-17 09:22:18,779 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 42 transitions. Word has length 5 [2023-02-17 09:22:18,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 09:22:18,780 INFO L495 AbstractCegarLoop]: Abstraction has 34 states and 42 transitions. [2023-02-17 09:22:18,780 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) [2023-02-17 09:22:18,780 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 42 transitions. [2023-02-17 09:22:18,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-02-17 09:22:18,780 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 09:22:18,781 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-17 09:22:18,781 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-02-17 09:22:18,781 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-02-17 09:22:18,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 09:22:18,782 INFO L85 PathProgramCache]: Analyzing trace with hash -535877839, now seen corresponding path program 1 times [2023-02-17 09:22:18,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 09:22:18,782 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685905978] [2023-02-17 09:22:18,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 09:22:18,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 09:22:18,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 09:22:18,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 09:22:18,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 09:22:18,818 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685905978] [2023-02-17 09:22:18,818 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1685905978] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 09:22:18,818 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-17 09:22:18,818 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-02-17 09:22:18,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562774235] [2023-02-17 09:22:18,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 09:22:18,819 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-17 09:22:18,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 09:22:18,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-17 09:22:18,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-17 09:22:18,820 INFO L87 Difference]: Start difference. First operand 34 states and 42 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 09:22:18,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 09:22:18,836 INFO L93 Difference]: Finished difference Result 34 states and 42 transitions. [2023-02-17 09:22:18,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-17 09:22:18,837 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2023-02-17 09:22:18,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 09:22:18,838 INFO L225 Difference]: With dead ends: 34 [2023-02-17 09:22:18,838 INFO L226 Difference]: Without dead ends: 33 [2023-02-17 09:22:18,838 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 [2023-02-17 09:22:18,839 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 13 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-17 09:22:18,840 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 10 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-17 09:22:18,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2023-02-17 09:22:18,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2023-02-17 09:22:18,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 27 states have (on average 1.5185185185185186) internal successors, (41), 32 states have internal predecessors, (41), 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) [2023-02-17 09:22:18,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 41 transitions. [2023-02-17 09:22:18,850 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 41 transitions. Word has length 9 [2023-02-17 09:22:18,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 09:22:18,850 INFO L495 AbstractCegarLoop]: Abstraction has 33 states and 41 transitions. [2023-02-17 09:22:18,850 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 09:22:18,851 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 41 transitions. [2023-02-17 09:22:18,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-02-17 09:22:18,851 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 09:22:18,851 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-17 09:22:18,851 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-02-17 09:22:18,852 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-02-17 09:22:18,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 09:22:18,852 INFO L85 PathProgramCache]: Analyzing trace with hash -535878031, now seen corresponding path program 1 times [2023-02-17 09:22:18,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 09:22:18,853 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669158008] [2023-02-17 09:22:18,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 09:22:18,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 09:22:18,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 09:22:18,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 09:22:18,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 09:22:18,907 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669158008] [2023-02-17 09:22:18,907 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1669158008] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 09:22:18,907 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-17 09:22:18,908 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-02-17 09:22:18,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833205388] [2023-02-17 09:22:18,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 09:22:18,908 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-17 09:22:18,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 09:22:18,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-17 09:22:18,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-02-17 09:22:18,910 INFO L87 Difference]: Start difference. First operand 33 states and 41 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 09:22:18,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 09:22:18,952 INFO L93 Difference]: Finished difference Result 62 states and 75 transitions. [2023-02-17 09:22:18,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-17 09:22:18,952 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2023-02-17 09:22:18,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 09:22:18,953 INFO L225 Difference]: With dead ends: 62 [2023-02-17 09:22:18,953 INFO L226 Difference]: Without dead ends: 34 [2023-02-17 09:22:18,954 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-02-17 09:22:18,955 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 9 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-17 09:22:18,955 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 14 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-17 09:22:18,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2023-02-17 09:22:18,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 29. [2023-02-17 09:22:18,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 23 states have (on average 1.391304347826087) internal successors, (32), 28 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 09:22:18,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 32 transitions. [2023-02-17 09:22:18,964 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 32 transitions. Word has length 9 [2023-02-17 09:22:18,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 09:22:18,965 INFO L495 AbstractCegarLoop]: Abstraction has 29 states and 32 transitions. [2023-02-17 09:22:18,965 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 09:22:18,965 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 32 transitions. [2023-02-17 09:22:18,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-02-17 09:22:18,965 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 09:22:18,966 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-17 09:22:18,966 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-02-17 09:22:18,966 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-02-17 09:22:18,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 09:22:18,968 INFO L85 PathProgramCache]: Analyzing trace with hash 567656246, now seen corresponding path program 1 times [2023-02-17 09:22:18,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 09:22:18,968 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [29914640] [2023-02-17 09:22:18,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 09:22:18,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 09:22:18,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 09:22:19,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 09:22:19,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 09:22:19,027 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [29914640] [2023-02-17 09:22:19,028 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [29914640] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 09:22:19,028 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-17 09:22:19,028 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-02-17 09:22:19,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242657856] [2023-02-17 09:22:19,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 09:22:19,029 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-02-17 09:22:19,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 09:22:19,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-02-17 09:22:19,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-02-17 09:22:19,030 INFO L87 Difference]: Start difference. First operand 29 states and 32 transitions. Second operand has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 09:22:19,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 09:22:19,079 INFO L93 Difference]: Finished difference Result 32 states and 35 transitions. [2023-02-17 09:22:19,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-02-17 09:22:19,081 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2023-02-17 09:22:19,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 09:22:19,082 INFO L225 Difference]: With dead ends: 32 [2023-02-17 09:22:19,082 INFO L226 Difference]: Without dead ends: 31 [2023-02-17 09:22:19,083 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-02-17 09:22:19,089 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 24 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-17 09:22:19,090 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 8 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-17 09:22:19,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2023-02-17 09:22:19,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2023-02-17 09:22:19,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 25 states have (on average 1.36) internal successors, (34), 30 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) [2023-02-17 09:22:19,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 34 transitions. [2023-02-17 09:22:19,094 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 34 transitions. Word has length 10 [2023-02-17 09:22:19,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 09:22:19,095 INFO L495 AbstractCegarLoop]: Abstraction has 31 states and 34 transitions. [2023-02-17 09:22:19,095 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 09:22:19,095 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 34 transitions. [2023-02-17 09:22:19,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-02-17 09:22:19,095 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 09:22:19,096 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-17 09:22:19,096 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-02-17 09:22:19,096 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-02-17 09:22:19,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 09:22:19,097 INFO L85 PathProgramCache]: Analyzing trace with hash 417474483, now seen corresponding path program 1 times [2023-02-17 09:22:19,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 09:22:19,097 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948036554] [2023-02-17 09:22:19,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 09:22:19,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 09:22:19,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 09:22:19,149 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 09:22:19,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 09:22:19,150 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948036554] [2023-02-17 09:22:19,150 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [948036554] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 09:22:19,150 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-17 09:22:19,151 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-02-17 09:22:19,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [138213637] [2023-02-17 09:22:19,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 09:22:19,151 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-02-17 09:22:19,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 09:22:19,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-02-17 09:22:19,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-02-17 09:22:19,152 INFO L87 Difference]: Start difference. First operand 31 states and 34 transitions. Second operand has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 09:22:19,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 09:22:19,208 INFO L93 Difference]: Finished difference Result 67 states and 77 transitions. [2023-02-17 09:22:19,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-02-17 09:22:19,208 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2023-02-17 09:22:19,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 09:22:19,209 INFO L225 Difference]: With dead ends: 67 [2023-02-17 09:22:19,209 INFO L226 Difference]: Without dead ends: 41 [2023-02-17 09:22:19,209 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2023-02-17 09:22:19,210 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 9 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-17 09:22:19,211 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 19 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-17 09:22:19,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2023-02-17 09:22:19,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 40. [2023-02-17 09:22:19,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 34 states have (on average 1.3235294117647058) internal successors, (45), 39 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 09:22:19,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 45 transitions. [2023-02-17 09:22:19,215 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 45 transitions. Word has length 11 [2023-02-17 09:22:19,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 09:22:19,216 INFO L495 AbstractCegarLoop]: Abstraction has 40 states and 45 transitions. [2023-02-17 09:22:19,216 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 09:22:19,216 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 45 transitions. [2023-02-17 09:22:19,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-02-17 09:22:19,217 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 09:22:19,217 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-17 09:22:19,217 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-02-17 09:22:19,217 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-02-17 09:22:19,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 09:22:19,218 INFO L85 PathProgramCache]: Analyzing trace with hash 466886893, now seen corresponding path program 1 times [2023-02-17 09:22:19,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 09:22:19,218 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105551868] [2023-02-17 09:22:19,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 09:22:19,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 09:22:19,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 09:22:19,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 09:22:19,265 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 09:22:19,265 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [105551868] [2023-02-17 09:22:19,265 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [105551868] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 09:22:19,265 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-17 09:22:19,265 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-02-17 09:22:19,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554957153] [2023-02-17 09:22:19,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 09:22:19,266 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-17 09:22:19,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 09:22:19,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-17 09:22:19,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-17 09:22:19,270 INFO L87 Difference]: Start difference. First operand 40 states and 45 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 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) [2023-02-17 09:22:19,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 09:22:19,295 INFO L93 Difference]: Finished difference Result 40 states and 45 transitions. [2023-02-17 09:22:19,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-17 09:22:19,296 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2023-02-17 09:22:19,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 09:22:19,297 INFO L225 Difference]: With dead ends: 40 [2023-02-17 09:22:19,298 INFO L226 Difference]: Without dead ends: 39 [2023-02-17 09:22:19,299 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 [2023-02-17 09:22:19,299 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 10 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-17 09:22:19,300 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 9 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-17 09:22:19,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2023-02-17 09:22:19,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2023-02-17 09:22:19,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 34 states have (on average 1.2941176470588236) internal successors, (44), 38 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 09:22:19,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 44 transitions. [2023-02-17 09:22:19,304 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 44 transitions. Word has length 11 [2023-02-17 09:22:19,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 09:22:19,305 INFO L495 AbstractCegarLoop]: Abstraction has 39 states and 44 transitions. [2023-02-17 09:22:19,305 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 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) [2023-02-17 09:22:19,305 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 44 transitions. [2023-02-17 09:22:19,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-02-17 09:22:19,305 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 09:22:19,305 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-17 09:22:19,306 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-02-17 09:22:19,306 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-02-17 09:22:19,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 09:22:19,306 INFO L85 PathProgramCache]: Analyzing trace with hash 1588597818, now seen corresponding path program 1 times [2023-02-17 09:22:19,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 09:22:19,307 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23831496] [2023-02-17 09:22:19,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 09:22:19,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 09:22:19,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 09:22:19,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 09:22:19,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 09:22:19,356 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [23831496] [2023-02-17 09:22:19,357 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [23831496] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 09:22:19,357 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-17 09:22:19,357 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-02-17 09:22:19,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64446456] [2023-02-17 09:22:19,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 09:22:19,358 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-17 09:22:19,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 09:22:19,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-17 09:22:19,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-02-17 09:22:19,359 INFO L87 Difference]: Start difference. First operand 39 states and 44 transitions. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 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) [2023-02-17 09:22:19,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 09:22:19,385 INFO L93 Difference]: Finished difference Result 61 states and 69 transitions. [2023-02-17 09:22:19,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-17 09:22:19,386 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2023-02-17 09:22:19,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 09:22:19,388 INFO L225 Difference]: With dead ends: 61 [2023-02-17 09:22:19,388 INFO L226 Difference]: Without dead ends: 16 [2023-02-17 09:22:19,389 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-02-17 09:22:19,390 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 7 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-17 09:22:19,391 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 14 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-17 09:22:19,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2023-02-17 09:22:19,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2023-02-17 09:22:19,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 14 states have (on average 1.1428571428571428) internal successors, (16), 15 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 09:22:19,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2023-02-17 09:22:19,396 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 12 [2023-02-17 09:22:19,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 09:22:19,397 INFO L495 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2023-02-17 09:22:19,400 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 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) [2023-02-17 09:22:19,400 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2023-02-17 09:22:19,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-02-17 09:22:19,400 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 09:22:19,401 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-17 09:22:19,401 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-02-17 09:22:19,401 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-02-17 09:22:19,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 09:22:19,402 INFO L85 PathProgramCache]: Analyzing trace with hash 1588591860, now seen corresponding path program 1 times [2023-02-17 09:22:19,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 09:22:19,402 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795798446] [2023-02-17 09:22:19,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 09:22:19,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 09:22:19,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 09:22:19,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 09:22:19,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 09:22:19,424 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1795798446] [2023-02-17 09:22:19,424 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1795798446] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 09:22:19,424 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-17 09:22:19,424 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-17 09:22:19,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615955443] [2023-02-17 09:22:19,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 09:22:19,425 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-17 09:22:19,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 09:22:19,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-17 09:22:19,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-17 09:22:19,426 INFO L87 Difference]: Start difference. First operand 16 states and 16 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 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) [2023-02-17 09:22:19,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 09:22:19,439 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2023-02-17 09:22:19,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-17 09:22:19,440 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2023-02-17 09:22:19,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 09:22:19,440 INFO L225 Difference]: With dead ends: 16 [2023-02-17 09:22:19,440 INFO L226 Difference]: Without dead ends: 15 [2023-02-17 09:22:19,441 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-02-17 09:22:19,441 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 4 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-17 09:22:19,442 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 8 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-17 09:22:19,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2023-02-17 09:22:19,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2023-02-17 09:22:19,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 14 states have (on average 1.0714285714285714) internal successors, (15), 14 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 09:22:19,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2023-02-17 09:22:19,444 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 12 [2023-02-17 09:22:19,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 09:22:19,444 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2023-02-17 09:22:19,444 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 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) [2023-02-17 09:22:19,445 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2023-02-17 09:22:19,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-02-17 09:22:19,445 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 09:22:19,445 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-17 09:22:19,445 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-02-17 09:22:19,445 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-02-17 09:22:19,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 09:22:19,446 INFO L85 PathProgramCache]: Analyzing trace with hash 1923388694, now seen corresponding path program 1 times [2023-02-17 09:22:19,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 09:22:19,446 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902082013] [2023-02-17 09:22:19,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 09:22:19,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 09:22:19,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 09:22:19,487 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 09:22:19,488 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 09:22:19,488 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902082013] [2023-02-17 09:22:19,488 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [902082013] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 09:22:19,488 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-17 09:22:19,488 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-02-17 09:22:19,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750077693] [2023-02-17 09:22:19,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 09:22:19,489 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-02-17 09:22:19,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 09:22:19,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-02-17 09:22:19,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-02-17 09:22:19,490 INFO L87 Difference]: Start difference. First operand 15 states and 15 transitions. Second operand has 5 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 09:22:19,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 09:22:19,522 INFO L93 Difference]: Finished difference Result 19 states and 19 transitions. [2023-02-17 09:22:19,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-02-17 09:22:19,523 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2023-02-17 09:22:19,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 09:22:19,523 INFO L225 Difference]: With dead ends: 19 [2023-02-17 09:22:19,523 INFO L226 Difference]: Without dead ends: 0 [2023-02-17 09:22:19,524 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2023-02-17 09:22:19,524 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 5 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-17 09:22:19,525 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 9 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-17 09:22:19,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-02-17 09:22:19,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-02-17 09:22:19,527 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) [2023-02-17 09:22:19,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-02-17 09:22:19,527 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2023-02-17 09:22:19,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 09:22:19,527 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-02-17 09:22:19,528 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 09:22:19,528 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-02-17 09:22:19,528 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-02-17 09:22:19,532 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2023-02-17 09:22:19,533 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2023-02-17 09:22:19,533 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2023-02-17 09:22:19,533 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2023-02-17 09:22:19,533 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2023-02-17 09:22:19,534 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2023-02-17 09:22:19,534 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2023-02-17 09:22:19,534 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2023-02-17 09:22:19,534 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-02-17 09:22:19,536 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-02-17 09:22:19,541 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 18) no Hoare annotation was computed. [2023-02-17 09:22:19,541 INFO L899 garLoopResultBuilder]: For program point L19(lines 19 23) no Hoare annotation was computed. [2023-02-17 09:22:19,542 INFO L895 garLoopResultBuilder]: At program point L19-2(lines 18 24) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_main_~y~0#1| 2147483647)) (.cse1 (<= |ULTIMATE.start_main_~x~0#1| 2147483647)) (.cse5 (<= |ULTIMATE.start_main_~x~0#1| (+ |ULTIMATE.start_main_~y~0#1| 2147483647))) (.cse2 (<= 0 (+ |ULTIMATE.start_main_~y~0#1| 2147483648))) (.cse3 (<= |ULTIMATE.start_main_~y~0#1| (+ |ULTIMATE.start_main_~x~0#1| 2147483647))) (.cse4 (<= 0 (+ |ULTIMATE.start_main_~x~0#1| 2147483648)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (<= |ULTIMATE.start_main_~x~0#1| (+ |ULTIMATE.start_main_~y~0#1| (- 2)))) (and .cse0 .cse1 .cse5 .cse2 .cse4 (<= |ULTIMATE.start_main_~y~0#1| (+ |ULTIMATE.start_main_~x~0#1| (- 2)))) (and .cse0 .cse1 .cse5 .cse2 .cse3 .cse4))) [2023-02-17 09:22:19,542 INFO L895 garLoopResultBuilder]: At program point main_returnLabel#1(lines 13 27) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_main_~y~0#1| 2147483647))) (or .cse0 (and .cse0 (<= |ULTIMATE.start_main_~y~0#1| (+ |ULTIMATE.start_main_~x~0#1| 2147483647))))) [2023-02-17 09:22:19,543 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 22) no Hoare annotation was computed. [2023-02-17 09:22:19,543 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-02-17 09:22:19,543 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 18) no Hoare annotation was computed. [2023-02-17 09:22:19,543 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 20) no Hoare annotation was computed. [2023-02-17 09:22:19,543 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-02-17 09:22:19,543 INFO L899 garLoopResultBuilder]: For program point L20(line 20) no Hoare annotation was computed. [2023-02-17 09:22:19,543 INFO L899 garLoopResultBuilder]: For program point L20-1(line 20) no Hoare annotation was computed. [2023-02-17 09:22:19,543 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 18) no Hoare annotation was computed. [2023-02-17 09:22:19,544 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-02-17 09:22:19,544 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 20) no Hoare annotation was computed. [2023-02-17 09:22:19,544 INFO L899 garLoopResultBuilder]: For program point L17(lines 17 25) no Hoare annotation was computed. [2023-02-17 09:22:19,544 INFO L899 garLoopResultBuilder]: For program point L17-1(lines 17 25) no Hoare annotation was computed. [2023-02-17 09:22:19,544 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-02-17 09:22:19,544 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 18) no Hoare annotation was computed. [2023-02-17 09:22:19,544 INFO L899 garLoopResultBuilder]: For program point L22(line 22) no Hoare annotation was computed. [2023-02-17 09:22:19,545 INFO L899 garLoopResultBuilder]: For program point L22-1(line 22) no Hoare annotation was computed. [2023-02-17 09:22:19,545 INFO L899 garLoopResultBuilder]: For program point L18-1(line 18) no Hoare annotation was computed. [2023-02-17 09:22:19,545 INFO L899 garLoopResultBuilder]: For program point L18-2(line 18) no Hoare annotation was computed. [2023-02-17 09:22:19,545 INFO L899 garLoopResultBuilder]: For program point L18-4(line 18) no Hoare annotation was computed. [2023-02-17 09:22:19,545 INFO L899 garLoopResultBuilder]: For program point L18-5(line 18) no Hoare annotation was computed. [2023-02-17 09:22:19,545 INFO L899 garLoopResultBuilder]: For program point L18-6(lines 18 24) no Hoare annotation was computed. [2023-02-17 09:22:19,546 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 22) no Hoare annotation was computed. [2023-02-17 09:22:19,550 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-17 09:22:19,553 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-02-17 09:22:19,570 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.02 09:22:19 BoogieIcfgContainer [2023-02-17 09:22:19,571 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-02-17 09:22:19,572 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-02-17 09:22:19,572 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-02-17 09:22:19,572 INFO L275 PluginConnector]: Witness Printer initialized [2023-02-17 09:22:19,573 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.02 09:22:18" (3/4) ... [2023-02-17 09:22:19,575 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-02-17 09:22:19,584 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-02-17 09:22:19,585 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-02-17 09:22:19,585 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-02-17 09:22:19,622 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-02-17 09:22:19,622 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-02-17 09:22:19,623 INFO L158 Benchmark]: Toolchain (without parser) took 1919.22ms. Allocated memory is still 121.6MB. Free memory was 85.6MB in the beginning and 70.2MB in the end (delta: 15.4MB). Peak memory consumption was 17.4MB. Max. memory is 16.1GB. [2023-02-17 09:22:19,623 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 121.6MB. Free memory is still 93.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-02-17 09:22:19,623 INFO L158 Benchmark]: CACSL2BoogieTranslator took 154.66ms. Allocated memory is still 121.6MB. Free memory was 85.3MB in the beginning and 76.3MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-02-17 09:22:19,623 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.80ms. Allocated memory is still 121.6MB. Free memory was 76.3MB in the beginning and 74.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-17 09:22:19,624 INFO L158 Benchmark]: Boogie Preprocessor took 25.61ms. Allocated memory is still 121.6MB. Free memory was 74.7MB in the beginning and 73.9MB in the end (delta: 832.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-17 09:22:19,624 INFO L158 Benchmark]: RCFGBuilder took 280.21ms. Allocated memory is still 121.6MB. Free memory was 73.6MB in the beginning and 64.4MB in the end (delta: 9.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-02-17 09:22:19,625 INFO L158 Benchmark]: TraceAbstraction took 1378.17ms. Allocated memory is still 121.6MB. Free memory was 63.6MB in the beginning and 72.2MB in the end (delta: -8.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-17 09:22:19,625 INFO L158 Benchmark]: Witness Printer took 50.56ms. Allocated memory is still 121.6MB. Free memory was 72.2MB in the beginning and 70.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-17 09:22:19,626 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 121.6MB. Free memory is still 93.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 154.66ms. Allocated memory is still 121.6MB. Free memory was 85.3MB in the beginning and 76.3MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 22.80ms. Allocated memory is still 121.6MB. Free memory was 76.3MB in the beginning and 74.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.61ms. Allocated memory is still 121.6MB. Free memory was 74.7MB in the beginning and 73.9MB in the end (delta: 832.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 280.21ms. Allocated memory is still 121.6MB. Free memory was 73.6MB in the beginning and 64.4MB in the end (delta: 9.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1378.17ms. Allocated memory is still 121.6MB. Free memory was 63.6MB in the beginning and 72.2MB in the end (delta: -8.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 50.56ms. Allocated memory is still 121.6MB. Free memory was 72.2MB in the beginning and 70.2MB 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: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 20]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 20]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 22]: 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, 26 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 10, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 183 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 183 mSDsluCounter, 119 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 32 mSDsCounter, 27 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 296 IncrementalHoareTripleChecker+Invalid, 323 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 27 mSolverCounterUnsat, 87 mSDtfsCounter, 296 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 41 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=40occurred in iteration=6, InterpolantAutomatonStates: 43, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 7 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 7 NumberOfFragments, 95 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 97 NumberOfCodeBlocks, 97 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 87 ConstructedInterpolants, 0 QuantifiedInterpolants, 286 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 3/3 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 8 specifications checked. All of them hold - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: ((((((y <= 2147483647 && x <= 2147483647) && 0 <= y + 2147483648) && y <= x + 2147483647) && 0 <= x + 2147483648) && x <= y + -2) || (((((y <= 2147483647 && x <= 2147483647) && x <= y + 2147483647) && 0 <= y + 2147483648) && 0 <= x + 2147483648) && y <= x + -2)) || (((((y <= 2147483647 && x <= 2147483647) && x <= y + 2147483647) && 0 <= y + 2147483648) && y <= x + 2147483647) && 0 <= x + 2147483648) - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: y <= 2147483647 || (y <= 2147483647 && y <= x + 2147483647) RESULT: Ultimate proved your program to be correct! [2023-02-17 09:22:19,665 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 Result: TRUE