./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/termination-crafted-lit/GopanReps-CAV2006-Fig1a.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version e8d55036 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/termination-crafted-lit/GopanReps-CAV2006-Fig1a.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 06d48bd39a18f705c3286a70a8cdcced2226e3b2a16c7a38c85f5398d4bcad34 --- Real Ultimate output --- This is Ultimate 0.2.2-?-e8d5503-m [2023-02-15 22:58:28,180 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-15 22:58:28,182 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-15 22:58:28,225 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-15 22:58:28,226 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-15 22:58:28,227 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-15 22:58:28,228 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-15 22:58:28,229 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-15 22:58:28,230 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-15 22:58:28,231 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-15 22:58:28,232 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-15 22:58:28,233 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-15 22:58:28,233 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-15 22:58:28,234 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-15 22:58:28,235 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-15 22:58:28,236 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-15 22:58:28,236 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-15 22:58:28,237 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-15 22:58:28,239 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-15 22:58:28,240 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-15 22:58:28,241 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-15 22:58:28,242 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-15 22:58:28,243 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-15 22:58:28,244 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-15 22:58:28,247 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-15 22:58:28,247 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-15 22:58:28,247 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-15 22:58:28,248 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-15 22:58:28,249 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-15 22:58:28,249 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-15 22:58:28,250 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-15 22:58:28,250 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-15 22:58:28,251 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-15 22:58:28,259 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-15 22:58:28,260 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-15 22:58:28,261 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-15 22:58:28,261 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-15 22:58:28,261 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-15 22:58:28,261 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-15 22:58:28,262 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-15 22:58:28,263 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-15 22:58:28,264 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-02-15 22:58:28,295 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-15 22:58:28,295 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-15 22:58:28,295 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-15 22:58:28,296 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-15 22:58:28,296 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-15 22:58:28,296 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-15 22:58:28,297 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-15 22:58:28,297 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-15 22:58:28,297 INFO L138 SettingsManager]: * Use SBE=true [2023-02-15 22:58:28,298 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-15 22:58:28,298 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-02-15 22:58:28,298 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-15 22:58:28,298 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-15 22:58:28,298 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-02-15 22:58:28,299 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-15 22:58:28,299 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-02-15 22:58:28,299 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-02-15 22:58:28,299 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-15 22:58:28,299 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-15 22:58:28,299 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-02-15 22:58:28,300 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-15 22:58:28,300 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-15 22:58:28,300 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-15 22:58:28,300 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-15 22:58:28,300 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-15 22:58:28,301 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-15 22:58:28,301 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-02-15 22:58:28,301 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-15 22:58:28,301 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-02-15 22:58:28,301 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-15 22:58:28,302 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-02-15 22:58:28,302 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-15 22:58:28,302 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-15 22:58:28,302 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-15 22:58:28,302 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 06d48bd39a18f705c3286a70a8cdcced2226e3b2a16c7a38c85f5398d4bcad34 [2023-02-15 22:58:28,479 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-15 22:58:28,503 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-15 22:58:28,505 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-15 22:58:28,506 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-15 22:58:28,507 INFO L275 PluginConnector]: CDTParser initialized [2023-02-15 22:58:28,508 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted-lit/GopanReps-CAV2006-Fig1a.c [2023-02-15 22:58:29,628 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-15 22:58:29,784 INFO L351 CDTParser]: Found 1 translation units. [2023-02-15 22:58:29,785 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted-lit/GopanReps-CAV2006-Fig1a.c [2023-02-15 22:58:29,793 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c69a3e52/d6ad8bf96f714a2ca11439ba5b236375/FLAG8cc5ad1e3 [2023-02-15 22:58:29,808 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c69a3e52/d6ad8bf96f714a2ca11439ba5b236375 [2023-02-15 22:58:29,810 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-15 22:58:29,811 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-15 22:58:29,813 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-15 22:58:29,813 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-15 22:58:29,817 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-15 22:58:29,817 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 10:58:29" (1/1) ... [2023-02-15 22:58:29,820 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f23c365 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:58:29, skipping insertion in model container [2023-02-15 22:58:29,820 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 10:58:29" (1/1) ... [2023-02-15 22:58:29,825 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-15 22:58:29,837 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-15 22:58:29,952 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-15 22:58:29,958 INFO L203 MainTranslator]: Completed pre-run [2023-02-15 22:58:29,972 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-15 22:58:29,981 INFO L208 MainTranslator]: Completed translation [2023-02-15 22:58:29,982 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:58:29 WrapperNode [2023-02-15 22:58:29,982 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-15 22:58:29,983 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-15 22:58:29,983 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-15 22:58:29,983 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-15 22:58:29,989 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:58:29" (1/1) ... [2023-02-15 22:58:29,992 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:58:29" (1/1) ... [2023-02-15 22:58:30,002 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 22 [2023-02-15 22:58:30,003 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-15 22:58:30,003 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-15 22:58:30,003 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-15 22:58:30,003 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-15 22:58:30,008 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:58:29" (1/1) ... [2023-02-15 22:58:30,009 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:58:29" (1/1) ... [2023-02-15 22:58:30,009 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:58:29" (1/1) ... [2023-02-15 22:58:30,009 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:58:29" (1/1) ... [2023-02-15 22:58:30,011 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:58:29" (1/1) ... [2023-02-15 22:58:30,013 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:58:29" (1/1) ... [2023-02-15 22:58:30,013 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:58:29" (1/1) ... [2023-02-15 22:58:30,014 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:58:29" (1/1) ... [2023-02-15 22:58:30,015 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-15 22:58:30,016 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-15 22:58:30,016 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-15 22:58:30,016 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-15 22:58:30,017 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:58:29" (1/1) ... [2023-02-15 22:58:30,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-15 22:58:30,031 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 22:58:30,044 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-02-15 22:58:30,049 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-02-15 22:58:30,075 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-15 22:58:30,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-15 22:58:30,129 INFO L235 CfgBuilder]: Building ICFG [2023-02-15 22:58:30,131 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-15 22:58:30,243 INFO L276 CfgBuilder]: Performing block encoding [2023-02-15 22:58:30,248 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-15 22:58:30,248 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2023-02-15 22:58:30,250 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 10:58:30 BoogieIcfgContainer [2023-02-15 22:58:30,250 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-15 22:58:30,252 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-02-15 22:58:30,264 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-02-15 22:58:30,267 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-02-15 22:58:30,268 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.02 10:58:29" (1/3) ... [2023-02-15 22:58:30,268 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@672b3f62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 10:58:30, skipping insertion in model container [2023-02-15 22:58:30,269 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:58:29" (2/3) ... [2023-02-15 22:58:30,269 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@672b3f62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 10:58:30, skipping insertion in model container [2023-02-15 22:58:30,269 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 10:58:30" (3/3) ... [2023-02-15 22:58:30,270 INFO L112 eAbstractionObserver]: Analyzing ICFG GopanReps-CAV2006-Fig1a.c [2023-02-15 22:58:30,284 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-02-15 22:58:30,284 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2023-02-15 22:58:30,318 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-02-15 22:58:30,324 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;@d0d5170, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-02-15 22:58:30,324 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2023-02-15 22:58:30,327 INFO L276 IsEmpty]: Start isEmpty. Operand has 20 states, 13 states have (on average 1.6923076923076923) internal successors, (22), 19 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:58:30,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-02-15 22:58:30,331 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 22:58:30,332 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2023-02-15 22:58:30,332 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-02-15 22:58:30,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 22:58:30,336 INFO L85 PathProgramCache]: Analyzing trace with hash 28699945, now seen corresponding path program 1 times [2023-02-15 22:58:30,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 22:58:30,344 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821718541] [2023-02-15 22:58:30,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 22:58:30,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 22:58:30,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 22:58:30,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 22:58:30,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 22:58:30,508 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [821718541] [2023-02-15 22:58:30,509 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [821718541] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 22:58:30,509 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 22:58:30,509 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-15 22:58:30,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836153098] [2023-02-15 22:58:30,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 22:58:30,517 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-15 22:58:30,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 22:58:30,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-15 22:58:30,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 22:58:30,556 INFO L87 Difference]: Start difference. First operand has 20 states, 13 states have (on average 1.6923076923076923) internal successors, (22), 19 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:58:30,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 22:58:30,604 INFO L93 Difference]: Finished difference Result 50 states and 58 transitions. [2023-02-15 22:58:30,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-15 22:58:30,606 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2023-02-15 22:58:30,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 22:58:30,612 INFO L225 Difference]: With dead ends: 50 [2023-02-15 22:58:30,612 INFO L226 Difference]: Without dead ends: 24 [2023-02-15 22:58:30,615 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 22:58:30,618 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 11 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-15 22:58:30,618 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 31 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-15 22:58:30,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2023-02-15 22:58:30,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 22. [2023-02-15 22:58:30,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 16 states have (on average 1.625) internal successors, (26), 21 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:58:30,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 26 transitions. [2023-02-15 22:58:30,643 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 26 transitions. Word has length 5 [2023-02-15 22:58:30,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 22:58:30,644 INFO L495 AbstractCegarLoop]: Abstraction has 22 states and 26 transitions. [2023-02-15 22:58:30,644 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:58:30,644 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2023-02-15 22:58:30,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-02-15 22:58:30,644 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 22:58:30,645 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2023-02-15 22:58:30,645 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-02-15 22:58:30,645 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-02-15 22:58:30,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 22:58:30,646 INFO L85 PathProgramCache]: Analyzing trace with hash 28699753, now seen corresponding path program 1 times [2023-02-15 22:58:30,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 22:58:30,646 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725448316] [2023-02-15 22:58:30,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 22:58:30,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 22:58:30,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 22:58:30,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 22:58:30,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 22:58:30,669 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725448316] [2023-02-15 22:58:30,669 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1725448316] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 22:58:30,669 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 22:58:30,669 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-02-15 22:58:30,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078302729] [2023-02-15 22:58:30,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 22:58:30,671 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-15 22:58:30,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 22:58:30,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-15 22:58:30,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 22:58:30,673 INFO L87 Difference]: Start difference. First operand 22 states and 26 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:58:30,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 22:58:30,708 INFO L93 Difference]: Finished difference Result 27 states and 31 transitions. [2023-02-15 22:58:30,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-15 22:58:30,709 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2023-02-15 22:58:30,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 22:58:30,710 INFO L225 Difference]: With dead ends: 27 [2023-02-15 22:58:30,710 INFO L226 Difference]: Without dead ends: 25 [2023-02-15 22:58:30,710 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 22:58:30,711 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 9 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-15 22:58:30,712 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 14 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-15 22:58:30,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2023-02-15 22:58:30,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 20. [2023-02-15 22:58:30,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 16 states have (on average 1.4375) internal successors, (23), 19 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:58:30,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 23 transitions. [2023-02-15 22:58:30,720 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 23 transitions. Word has length 5 [2023-02-15 22:58:30,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 22:58:30,721 INFO L495 AbstractCegarLoop]: Abstraction has 20 states and 23 transitions. [2023-02-15 22:58:30,721 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:58:30,722 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2023-02-15 22:58:30,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-02-15 22:58:30,722 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 22:58:30,723 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-02-15 22:58:30,723 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-02-15 22:58:30,724 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-02-15 22:58:30,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 22:58:30,728 INFO L85 PathProgramCache]: Analyzing trace with hash 889692391, now seen corresponding path program 1 times [2023-02-15 22:58:30,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 22:58:30,728 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291807545] [2023-02-15 22:58:30,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 22:58:30,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 22:58:30,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 22:58:30,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 22:58:30,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 22:58:30,773 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [291807545] [2023-02-15 22:58:30,777 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [291807545] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 22:58:30,777 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 22:58:30,777 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-02-15 22:58:30,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929954351] [2023-02-15 22:58:30,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 22:58:30,778 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-15 22:58:30,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 22:58:30,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-15 22:58:30,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 22:58:30,780 INFO L87 Difference]: Start difference. First operand 20 states and 23 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:58:30,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 22:58:30,806 INFO L93 Difference]: Finished difference Result 21 states and 23 transitions. [2023-02-15 22:58:30,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-15 22:58:30,806 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2023-02-15 22:58:30,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 22:58:30,807 INFO L225 Difference]: With dead ends: 21 [2023-02-15 22:58:30,808 INFO L226 Difference]: Without dead ends: 20 [2023-02-15 22:58:30,808 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 22:58:30,809 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 0 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-15 22:58:30,811 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 19 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-15 22:58:30,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2023-02-15 22:58:30,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2023-02-15 22:58:30,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 16 states have (on average 1.375) internal successors, (22), 19 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:58:30,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 22 transitions. [2023-02-15 22:58:30,818 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 22 transitions. Word has length 6 [2023-02-15 22:58:30,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 22:58:30,818 INFO L495 AbstractCegarLoop]: Abstraction has 20 states and 22 transitions. [2023-02-15 22:58:30,819 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:58:30,820 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 22 transitions. [2023-02-15 22:58:30,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-02-15 22:58:30,820 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 22:58:30,821 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-02-15 22:58:30,821 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-02-15 22:58:30,821 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-02-15 22:58:30,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 22:58:30,822 INFO L85 PathProgramCache]: Analyzing trace with hash 1810660402, now seen corresponding path program 1 times [2023-02-15 22:58:30,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 22:58:30,823 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275294509] [2023-02-15 22:58:30,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 22:58:30,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 22:58:30,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 22:58:30,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 22:58:30,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 22:58:30,879 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [275294509] [2023-02-15 22:58:30,880 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [275294509] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 22:58:30,880 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 22:58:30,880 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-02-15 22:58:30,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424184794] [2023-02-15 22:58:30,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 22:58:30,881 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-15 22:58:30,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 22:58:30,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-15 22:58:30,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 22:58:30,882 INFO L87 Difference]: Start difference. First operand 20 states and 22 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:58:30,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 22:58:30,898 INFO L93 Difference]: Finished difference Result 20 states and 22 transitions. [2023-02-15 22:58:30,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-15 22:58:30,899 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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 7 [2023-02-15 22:58:30,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 22:58:30,900 INFO L225 Difference]: With dead ends: 20 [2023-02-15 22:58:30,900 INFO L226 Difference]: Without dead ends: 19 [2023-02-15 22:58:30,901 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 22:58:30,909 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 7 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-15 22:58:30,910 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 10 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-15 22:58:30,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2023-02-15 22:58:30,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2023-02-15 22:58:30,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 16 states have (on average 1.25) internal successors, (20), 18 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:58:30,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 20 transitions. [2023-02-15 22:58:30,916 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 20 transitions. Word has length 7 [2023-02-15 22:58:30,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 22:58:30,916 INFO L495 AbstractCegarLoop]: Abstraction has 19 states and 20 transitions. [2023-02-15 22:58:30,917 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:58:30,917 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2023-02-15 22:58:30,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-02-15 22:58:30,917 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 22:58:30,918 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 22:58:30,918 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-02-15 22:58:30,918 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-02-15 22:58:30,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 22:58:30,919 INFO L85 PathProgramCache]: Analyzing trace with hash 421929780, now seen corresponding path program 1 times [2023-02-15 22:58:30,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 22:58:30,920 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138673171] [2023-02-15 22:58:30,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 22:58:30,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 22:58:30,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 22:58:30,990 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 22:58:30,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 22:58:30,990 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1138673171] [2023-02-15 22:58:30,990 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1138673171] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-15 22:58:30,991 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1103704018] [2023-02-15 22:58:30,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 22:58:30,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 22:58:30,991 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 22:58:30,994 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-15 22:58:30,995 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-02-15 22:58:31,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 22:58:31,021 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 3 conjunts are in the unsatisfiable core [2023-02-15 22:58:31,025 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 22:58:31,077 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 22:58:31,077 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-15 22:58:31,116 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 22:58:31,117 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1103704018] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-15 22:58:31,117 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-15 22:58:31,117 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 8 [2023-02-15 22:58:31,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492545182] [2023-02-15 22:58:31,118 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-15 22:58:31,118 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-02-15 22:58:31,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 22:58:31,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-02-15 22:58:31,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2023-02-15 22:58:31,120 INFO L87 Difference]: Start difference. First operand 19 states and 20 transitions. Second operand has 8 states, 8 states have (on average 4.25) internal successors, (34), 8 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) [2023-02-15 22:58:31,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 22:58:31,203 INFO L93 Difference]: Finished difference Result 35 states and 41 transitions. [2023-02-15 22:58:31,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-02-15 22:58:31,204 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.25) internal successors, (34), 8 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) Word has length 12 [2023-02-15 22:58:31,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 22:58:31,205 INFO L225 Difference]: With dead ends: 35 [2023-02-15 22:58:31,205 INFO L226 Difference]: Without dead ends: 24 [2023-02-15 22:58:31,205 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=80, Unknown=0, NotChecked=0, Total=132 [2023-02-15 22:58:31,206 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 16 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-15 22:58:31,206 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 14 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-15 22:58:31,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2023-02-15 22:58:31,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2023-02-15 22:58:31,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 22 states have (on average 1.1363636363636365) internal successors, (25), 23 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:58:31,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 25 transitions. [2023-02-15 22:58:31,210 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 25 transitions. Word has length 12 [2023-02-15 22:58:31,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 22:58:31,210 INFO L495 AbstractCegarLoop]: Abstraction has 24 states and 25 transitions. [2023-02-15 22:58:31,211 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.25) internal successors, (34), 8 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) [2023-02-15 22:58:31,211 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 25 transitions. [2023-02-15 22:58:31,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-02-15 22:58:31,211 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 22:58:31,212 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1] [2023-02-15 22:58:31,227 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-02-15 22:58:31,423 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 22:58:31,423 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-02-15 22:58:31,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 22:58:31,424 INFO L85 PathProgramCache]: Analyzing trace with hash -1680616011, now seen corresponding path program 1 times [2023-02-15 22:58:31,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 22:58:31,424 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514292652] [2023-02-15 22:58:31,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 22:58:31,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 22:58:31,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 22:58:31,514 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 22:58:31,515 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 22:58:31,515 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [514292652] [2023-02-15 22:58:31,515 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [514292652] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-15 22:58:31,515 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1686275056] [2023-02-15 22:58:31,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 22:58:31,516 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 22:58:31,516 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 22:58:31,517 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-15 22:58:31,520 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-02-15 22:58:31,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 22:58:31,544 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 4 conjunts are in the unsatisfiable core [2023-02-15 22:58:31,545 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 22:58:31,570 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 22:58:31,571 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-15 22:58:31,612 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 22:58:31,613 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1686275056] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-15 22:58:31,613 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-15 22:58:31,613 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2023-02-15 22:58:31,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553706270] [2023-02-15 22:58:31,614 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-15 22:58:31,614 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-02-15 22:58:31,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 22:58:31,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-02-15 22:58:31,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2023-02-15 22:58:31,615 INFO L87 Difference]: Start difference. First operand 24 states and 25 transitions. Second operand has 8 states, 7 states have (on average 5.0) internal successors, (35), 8 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:58:31,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 22:58:31,660 INFO L93 Difference]: Finished difference Result 79 states and 91 transitions. [2023-02-15 22:58:31,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-02-15 22:58:31,660 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 5.0) internal successors, (35), 8 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2023-02-15 22:58:31,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 22:58:31,661 INFO L225 Difference]: With dead ends: 79 [2023-02-15 22:58:31,662 INFO L226 Difference]: Without dead ends: 78 [2023-02-15 22:58:31,662 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2023-02-15 22:58:31,663 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 25 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-15 22:58:31,663 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 48 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-15 22:58:31,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2023-02-15 22:58:31,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 68. [2023-02-15 22:58:31,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 66 states have (on average 1.2272727272727273) internal successors, (81), 67 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:58:31,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 81 transitions. [2023-02-15 22:58:31,690 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 81 transitions. Word has length 18 [2023-02-15 22:58:31,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 22:58:31,691 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 81 transitions. [2023-02-15 22:58:31,691 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 5.0) internal successors, (35), 8 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:58:31,691 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 81 transitions. [2023-02-15 22:58:31,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-02-15 22:58:31,692 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 22:58:31,692 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2023-02-15 22:58:31,712 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-02-15 22:58:31,897 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-02-15 22:58:31,898 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-02-15 22:58:31,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 22:58:31,898 INFO L85 PathProgramCache]: Analyzing trace with hash -158555811, now seen corresponding path program 1 times [2023-02-15 22:58:31,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 22:58:31,899 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249126276] [2023-02-15 22:58:31,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 22:58:31,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 22:58:31,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 22:58:31,955 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-02-15 22:58:31,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 22:58:31,956 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1249126276] [2023-02-15 22:58:31,956 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1249126276] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-15 22:58:31,956 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [383664029] [2023-02-15 22:58:31,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 22:58:31,956 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 22:58:31,957 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 22:58:31,960 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-15 22:58:31,964 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-02-15 22:58:31,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 22:58:31,997 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 4 conjunts are in the unsatisfiable core [2023-02-15 22:58:31,998 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 22:58:32,037 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 22:58:32,038 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-15 22:58:32,089 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 22:58:32,089 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [383664029] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-15 22:58:32,089 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-15 22:58:32,089 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 4, 4] total 9 [2023-02-15 22:58:32,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237119062] [2023-02-15 22:58:32,090 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-15 22:58:32,090 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-02-15 22:58:32,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 22:58:32,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-02-15 22:58:32,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2023-02-15 22:58:32,092 INFO L87 Difference]: Start difference. First operand 68 states and 81 transitions. Second operand has 10 states, 9 states have (on average 6.333333333333333) internal successors, (57), 10 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:58:32,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 22:58:32,131 INFO L93 Difference]: Finished difference Result 160 states and 201 transitions. [2023-02-15 22:58:32,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-02-15 22:58:32,132 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 6.333333333333333) internal successors, (57), 10 states have internal predecessors, (57), 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 20 [2023-02-15 22:58:32,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 22:58:32,134 INFO L225 Difference]: With dead ends: 160 [2023-02-15 22:58:32,134 INFO L226 Difference]: Without dead ends: 106 [2023-02-15 22:58:32,135 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2023-02-15 22:58:32,135 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 12 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-15 22:58:32,136 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 40 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-15 22:58:32,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2023-02-15 22:58:32,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2023-02-15 22:58:32,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 104 states have (on average 1.1442307692307692) internal successors, (119), 105 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:58:32,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 119 transitions. [2023-02-15 22:58:32,146 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 119 transitions. Word has length 20 [2023-02-15 22:58:32,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 22:58:32,146 INFO L495 AbstractCegarLoop]: Abstraction has 106 states and 119 transitions. [2023-02-15 22:58:32,147 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 6.333333333333333) internal successors, (57), 10 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:58:32,147 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 119 transitions. [2023-02-15 22:58:32,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-02-15 22:58:32,148 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 22:58:32,148 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 6, 6, 1, 1, 1] [2023-02-15 22:58:32,162 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-02-15 22:58:32,353 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 22:58:32,354 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-02-15 22:58:32,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 22:58:32,355 INFO L85 PathProgramCache]: Analyzing trace with hash -1397788591, now seen corresponding path program 2 times [2023-02-15 22:58:32,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 22:58:32,355 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964905303] [2023-02-15 22:58:32,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 22:58:32,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 22:58:32,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 22:58:32,513 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 114 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 22:58:32,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 22:58:32,513 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1964905303] [2023-02-15 22:58:32,513 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1964905303] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-15 22:58:32,513 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1594333037] [2023-02-15 22:58:32,513 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-02-15 22:58:32,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 22:58:32,514 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 22:58:32,515 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-15 22:58:32,517 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-02-15 22:58:32,556 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-02-15 22:58:32,557 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-15 22:58:32,557 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 8 conjunts are in the unsatisfiable core [2023-02-15 22:58:32,559 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 22:58:32,619 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 114 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 22:58:32,619 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-15 22:58:32,762 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 114 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 22:58:32,762 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1594333037] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-15 22:58:32,763 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-15 22:58:32,763 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 15 [2023-02-15 22:58:32,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499139548] [2023-02-15 22:58:32,763 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-15 22:58:32,764 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-02-15 22:58:32,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 22:58:32,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-02-15 22:58:32,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=120, Unknown=0, NotChecked=0, Total=240 [2023-02-15 22:58:32,765 INFO L87 Difference]: Start difference. First operand 106 states and 119 transitions. Second operand has 16 states, 15 states have (on average 5.533333333333333) internal successors, (83), 16 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:58:32,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 22:58:32,899 INFO L93 Difference]: Finished difference Result 563 states and 656 transitions. [2023-02-15 22:58:32,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-02-15 22:58:32,900 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 5.533333333333333) internal successors, (83), 16 states have internal predecessors, (83), 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 42 [2023-02-15 22:58:32,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 22:58:32,905 INFO L225 Difference]: With dead ends: 563 [2023-02-15 22:58:32,906 INFO L226 Difference]: Without dead ends: 562 [2023-02-15 22:58:32,907 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=120, Invalid=120, Unknown=0, NotChecked=0, Total=240 [2023-02-15 22:58:32,908 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 66 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-15 22:58:32,908 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 80 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-15 22:58:32,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 562 states. [2023-02-15 22:58:32,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 562 to 370. [2023-02-15 22:58:32,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 370 states, 368 states have (on average 1.1630434782608696) internal successors, (428), 369 states have internal predecessors, (428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:58:32,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 370 states and 428 transitions. [2023-02-15 22:58:32,959 INFO L78 Accepts]: Start accepts. Automaton has 370 states and 428 transitions. Word has length 42 [2023-02-15 22:58:32,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 22:58:32,960 INFO L495 AbstractCegarLoop]: Abstraction has 370 states and 428 transitions. [2023-02-15 22:58:32,960 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 5.533333333333333) internal successors, (83), 16 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:58:32,960 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 428 transitions. [2023-02-15 22:58:32,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-02-15 22:58:32,965 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 22:58:32,965 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 8, 5, 5, 5, 4, 4, 4, 1, 1, 1] [2023-02-15 22:58:32,975 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-02-15 22:58:33,175 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 22:58:33,175 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-02-15 22:58:33,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 22:58:33,176 INFO L85 PathProgramCache]: Analyzing trace with hash 998254943, now seen corresponding path program 2 times [2023-02-15 22:58:33,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 22:58:33,176 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636934526] [2023-02-15 22:58:33,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 22:58:33,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 22:58:33,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 22:58:33,319 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 80 proven. 44 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2023-02-15 22:58:33,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 22:58:33,319 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1636934526] [2023-02-15 22:58:33,320 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1636934526] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-15 22:58:33,320 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1097116171] [2023-02-15 22:58:33,320 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-02-15 22:58:33,320 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 22:58:33,320 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 22:58:33,322 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-15 22:58:33,324 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-02-15 22:58:33,368 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-02-15 22:58:33,368 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-15 22:58:33,369 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 6 conjunts are in the unsatisfiable core [2023-02-15 22:58:33,372 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 22:58:33,420 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 80 proven. 44 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2023-02-15 22:58:33,421 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-15 22:58:33,500 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 80 proven. 44 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2023-02-15 22:58:33,500 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1097116171] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-15 22:58:33,500 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-15 22:58:33,500 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 12 [2023-02-15 22:58:33,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499351616] [2023-02-15 22:58:33,501 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-15 22:58:33,502 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-02-15 22:58:33,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 22:58:33,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-02-15 22:58:33,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2023-02-15 22:58:33,504 INFO L87 Difference]: Start difference. First operand 370 states and 428 transitions. Second operand has 12 states, 12 states have (on average 5.166666666666667) internal successors, (62), 12 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:58:33,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 22:58:33,550 INFO L93 Difference]: Finished difference Result 596 states and 691 transitions. [2023-02-15 22:58:33,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-02-15 22:58:33,551 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.166666666666667) internal successors, (62), 12 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2023-02-15 22:58:33,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 22:58:33,552 INFO L225 Difference]: With dead ends: 596 [2023-02-15 22:58:33,552 INFO L226 Difference]: Without dead ends: 248 [2023-02-15 22:58:33,556 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2023-02-15 22:58:33,558 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 9 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-15 22:58:33,559 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 53 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-15 22:58:33,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2023-02-15 22:58:33,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 248. [2023-02-15 22:58:33,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 248 states, 246 states have (on average 1.1341463414634145) internal successors, (279), 247 states have internal predecessors, (279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:58:33,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 279 transitions. [2023-02-15 22:58:33,568 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 279 transitions. Word has length 56 [2023-02-15 22:58:33,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 22:58:33,569 INFO L495 AbstractCegarLoop]: Abstraction has 248 states and 279 transitions. [2023-02-15 22:58:33,570 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.166666666666667) internal successors, (62), 12 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:58:33,570 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 279 transitions. [2023-02-15 22:58:33,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-02-15 22:58:33,573 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 22:58:33,573 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 14, 14, 14, 1, 1, 1] [2023-02-15 22:58:33,581 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-02-15 22:58:33,779 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 22:58:33,779 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-02-15 22:58:33,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 22:58:33,780 INFO L85 PathProgramCache]: Analyzing trace with hash -2052757111, now seen corresponding path program 3 times [2023-02-15 22:58:33,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 22:58:33,780 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059787979] [2023-02-15 22:58:33,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 22:58:33,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 22:58:33,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 22:58:34,106 INFO L134 CoverageAnalysis]: Checked inductivity of 602 backedges. 0 proven. 602 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 22:58:34,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 22:58:34,107 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2059787979] [2023-02-15 22:58:34,107 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2059787979] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-15 22:58:34,107 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1707862246] [2023-02-15 22:58:34,107 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-02-15 22:58:34,107 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 22:58:34,108 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 22:58:34,109 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-15 22:58:34,141 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-02-15 22:58:34,170 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2023-02-15 22:58:34,171 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-15 22:58:34,172 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 16 conjunts are in the unsatisfiable core [2023-02-15 22:58:34,177 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 22:58:34,292 INFO L134 CoverageAnalysis]: Checked inductivity of 602 backedges. 0 proven. 602 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 22:58:34,293 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-15 22:58:34,701 INFO L134 CoverageAnalysis]: Checked inductivity of 602 backedges. 0 proven. 602 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 22:58:34,702 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1707862246] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-15 22:58:34,702 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-15 22:58:34,702 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 31 [2023-02-15 22:58:34,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084330470] [2023-02-15 22:58:34,704 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-15 22:58:34,706 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2023-02-15 22:58:34,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 22:58:34,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2023-02-15 22:58:34,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=496, Invalid=496, Unknown=0, NotChecked=0, Total=992 [2023-02-15 22:58:34,708 INFO L87 Difference]: Start difference. First operand 248 states and 279 transitions. Second operand has 32 states, 31 states have (on average 5.774193548387097) internal successors, (179), 32 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:58:34,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 22:58:34,950 INFO L93 Difference]: Finished difference Result 2229 states and 2600 transitions. [2023-02-15 22:58:34,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-02-15 22:58:34,951 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 31 states have (on average 5.774193548387097) internal successors, (179), 32 states have internal predecessors, (179), 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 90 [2023-02-15 22:58:34,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 22:58:34,958 INFO L225 Difference]: With dead ends: 2229 [2023-02-15 22:58:34,959 INFO L226 Difference]: Without dead ends: 2228 [2023-02-15 22:58:34,959 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=496, Invalid=496, Unknown=0, NotChecked=0, Total=992 [2023-02-15 22:58:34,960 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 145 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 204 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 191 SdHoareTripleChecker+Invalid, 257 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 204 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-02-15 22:58:34,960 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 191 Invalid, 257 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 204 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-02-15 22:58:34,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2228 states. [2023-02-15 22:58:34,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2228 to 950. [2023-02-15 22:58:34,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 950 states, 948 states have (on average 1.1645569620253164) internal successors, (1104), 949 states have internal predecessors, (1104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:58:35,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 950 states to 950 states and 1104 transitions. [2023-02-15 22:58:35,001 INFO L78 Accepts]: Start accepts. Automaton has 950 states and 1104 transitions. Word has length 90 [2023-02-15 22:58:35,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 22:58:35,002 INFO L495 AbstractCegarLoop]: Abstraction has 950 states and 1104 transitions. [2023-02-15 22:58:35,002 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 31 states have (on average 5.774193548387097) internal successors, (179), 32 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:58:35,002 INFO L276 IsEmpty]: Start isEmpty. Operand 950 states and 1104 transitions. [2023-02-15 22:58:35,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-02-15 22:58:35,003 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 22:58:35,003 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 14, 10, 10, 10, 5, 5, 5, 1, 1, 1] [2023-02-15 22:58:35,015 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-02-15 22:58:35,215 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 22:58:35,216 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-02-15 22:58:35,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 22:58:35,217 INFO L85 PathProgramCache]: Analyzing trace with hash -804222391, now seen corresponding path program 3 times [2023-02-15 22:58:35,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 22:58:35,217 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764351076] [2023-02-15 22:58:35,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 22:58:35,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 22:58:35,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 22:58:35,416 INFO L134 CoverageAnalysis]: Checked inductivity of 530 backedges. 188 proven. 290 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2023-02-15 22:58:35,417 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 22:58:35,417 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764351076] [2023-02-15 22:58:35,417 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [764351076] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-15 22:58:35,417 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [145810714] [2023-02-15 22:58:35,417 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-02-15 22:58:35,418 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 22:58:35,418 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 22:58:35,419 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-15 22:58:35,421 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-02-15 22:58:35,462 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2023-02-15 22:58:35,462 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-15 22:58:35,463 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 8 conjunts are in the unsatisfiable core [2023-02-15 22:58:35,464 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 22:58:35,588 INFO L134 CoverageAnalysis]: Checked inductivity of 530 backedges. 252 proven. 94 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2023-02-15 22:58:35,589 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-15 22:58:35,735 INFO L134 CoverageAnalysis]: Checked inductivity of 530 backedges. 252 proven. 94 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2023-02-15 22:58:35,735 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [145810714] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-15 22:58:35,735 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-15 22:58:35,735 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 8, 8] total 27 [2023-02-15 22:58:35,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302030467] [2023-02-15 22:58:35,735 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-15 22:58:35,736 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-02-15 22:58:35,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 22:58:35,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-02-15 22:58:35,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=351, Invalid=351, Unknown=0, NotChecked=0, Total=702 [2023-02-15 22:58:35,737 INFO L87 Difference]: Start difference. First operand 950 states and 1104 transitions. Second operand has 27 states, 27 states have (on average 5.925925925925926) internal successors, (160), 27 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:58:35,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 22:58:35,849 INFO L93 Difference]: Finished difference Result 2484 states and 3010 transitions. [2023-02-15 22:58:35,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-02-15 22:58:35,850 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 5.925925925925926) internal successors, (160), 27 states have internal predecessors, (160), 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 92 [2023-02-15 22:58:35,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 22:58:35,855 INFO L225 Difference]: With dead ends: 2484 [2023-02-15 22:58:35,855 INFO L226 Difference]: Without dead ends: 1592 [2023-02-15 22:58:35,857 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=351, Invalid=351, Unknown=0, NotChecked=0, Total=702 [2023-02-15 22:58:35,858 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 17 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-15 22:58:35,858 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 92 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-15 22:58:35,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1592 states. [2023-02-15 22:58:35,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1592 to 1592. [2023-02-15 22:58:35,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1592 states, 1590 states have (on average 1.1603773584905661) internal successors, (1845), 1591 states have internal predecessors, (1845), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:58:35,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1592 states to 1592 states and 1845 transitions. [2023-02-15 22:58:35,906 INFO L78 Accepts]: Start accepts. Automaton has 1592 states and 1845 transitions. Word has length 92 [2023-02-15 22:58:35,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 22:58:35,907 INFO L495 AbstractCegarLoop]: Abstraction has 1592 states and 1845 transitions. [2023-02-15 22:58:35,908 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 5.925925925925926) internal successors, (160), 27 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:58:35,908 INFO L276 IsEmpty]: Start isEmpty. Operand 1592 states and 1845 transitions. [2023-02-15 22:58:35,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2023-02-15 22:58:35,914 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 22:58:35,914 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 25, 14, 14, 14, 12, 12, 12, 1, 1, 1] [2023-02-15 22:58:35,923 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-02-15 22:58:36,120 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 22:58:36,121 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-02-15 22:58:36,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 22:58:36,122 INFO L85 PathProgramCache]: Analyzing trace with hash 896329356, now seen corresponding path program 4 times [2023-02-15 22:58:36,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 22:58:36,122 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002366212] [2023-02-15 22:58:36,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 22:58:36,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 22:58:36,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 22:58:36,407 INFO L134 CoverageAnalysis]: Checked inductivity of 1614 backedges. 674 proven. 420 refuted. 0 times theorem prover too weak. 520 trivial. 0 not checked. [2023-02-15 22:58:36,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 22:58:36,408 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002366212] [2023-02-15 22:58:36,408 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1002366212] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-15 22:58:36,408 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1823760733] [2023-02-15 22:58:36,408 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-02-15 22:58:36,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 22:58:36,409 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 22:58:36,410 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-15 22:58:36,412 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-02-15 22:58:36,469 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-02-15 22:58:36,469 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-15 22:58:36,470 INFO L263 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 14 conjunts are in the unsatisfiable core [2023-02-15 22:58:36,473 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 22:58:36,569 INFO L134 CoverageAnalysis]: Checked inductivity of 1614 backedges. 674 proven. 420 refuted. 0 times theorem prover too weak. 520 trivial. 0 not checked. [2023-02-15 22:58:36,569 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-15 22:58:36,906 INFO L134 CoverageAnalysis]: Checked inductivity of 1614 backedges. 674 proven. 420 refuted. 0 times theorem prover too weak. 520 trivial. 0 not checked. [2023-02-15 22:58:36,906 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1823760733] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-15 22:58:36,906 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-15 22:58:36,906 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 28 [2023-02-15 22:58:36,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575460278] [2023-02-15 22:58:36,906 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-15 22:58:36,907 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2023-02-15 22:58:36,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 22:58:36,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2023-02-15 22:58:36,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=378, Invalid=378, Unknown=0, NotChecked=0, Total=756 [2023-02-15 22:58:36,908 INFO L87 Difference]: Start difference. First operand 1592 states and 1845 transitions. Second operand has 28 states, 28 states have (on average 5.642857142857143) internal successors, (158), 28 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:58:37,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 22:58:37,019 INFO L93 Difference]: Finished difference Result 2480 states and 2880 transitions. [2023-02-15 22:58:37,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-02-15 22:58:37,019 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 5.642857142857143) internal successors, (158), 28 states have internal predecessors, (158), 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 158 [2023-02-15 22:58:37,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 22:58:37,022 INFO L225 Difference]: With dead ends: 2480 [2023-02-15 22:58:37,022 INFO L226 Difference]: Without dead ends: 958 [2023-02-15 22:58:37,024 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 329 GetRequests, 303 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=378, Invalid=378, Unknown=0, NotChecked=0, Total=756 [2023-02-15 22:58:37,025 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 9 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-15 22:58:37,025 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 101 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-15 22:58:37,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 958 states. [2023-02-15 22:58:37,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 958 to 958. [2023-02-15 22:58:37,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 958 states, 956 states have (on average 1.141213389121339) internal successors, (1091), 957 states have internal predecessors, (1091), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:58:37,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 958 states to 958 states and 1091 transitions. [2023-02-15 22:58:37,062 INFO L78 Accepts]: Start accepts. Automaton has 958 states and 1091 transitions. Word has length 158 [2023-02-15 22:58:37,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 22:58:37,063 INFO L495 AbstractCegarLoop]: Abstraction has 958 states and 1091 transitions. [2023-02-15 22:58:37,063 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 5.642857142857143) internal successors, (158), 28 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:58:37,063 INFO L276 IsEmpty]: Start isEmpty. Operand 958 states and 1091 transitions. [2023-02-15 22:58:37,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2023-02-15 22:58:37,081 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 22:58:37,081 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 30, 30, 30, 1, 1, 1] [2023-02-15 22:58:37,089 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-02-15 22:58:37,287 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-02-15 22:58:37,288 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-02-15 22:58:37,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 22:58:37,288 INFO L85 PathProgramCache]: Analyzing trace with hash -1138988039, now seen corresponding path program 4 times [2023-02-15 22:58:37,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 22:58:37,289 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656969191] [2023-02-15 22:58:37,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 22:58:37,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 22:58:37,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 22:58:38,061 INFO L134 CoverageAnalysis]: Checked inductivity of 2730 backedges. 0 proven. 2730 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 22:58:38,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 22:58:38,061 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [656969191] [2023-02-15 22:58:38,061 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [656969191] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-15 22:58:38,061 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1091766193] [2023-02-15 22:58:38,061 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-02-15 22:58:38,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 22:58:38,062 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 22:58:38,065 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-15 22:58:38,096 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-02-15 22:58:38,141 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-02-15 22:58:38,141 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-15 22:58:38,142 INFO L263 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 32 conjunts are in the unsatisfiable core [2023-02-15 22:58:38,145 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 22:58:38,358 INFO L134 CoverageAnalysis]: Checked inductivity of 2730 backedges. 0 proven. 2730 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 22:58:38,359 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-15 22:58:39,604 INFO L134 CoverageAnalysis]: Checked inductivity of 2730 backedges. 0 proven. 2730 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 22:58:39,604 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1091766193] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-15 22:58:39,605 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-15 22:58:39,605 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 32, 32] total 63 [2023-02-15 22:58:39,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685707576] [2023-02-15 22:58:39,605 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-15 22:58:39,606 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 64 states [2023-02-15 22:58:39,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 22:58:39,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2023-02-15 22:58:39,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2016, Invalid=2016, Unknown=0, NotChecked=0, Total=4032 [2023-02-15 22:58:39,608 INFO L87 Difference]: Start difference. First operand 958 states and 1091 transitions. Second operand has 64 states, 63 states have (on average 5.888888888888889) internal successors, (371), 64 states have internal predecessors, (371), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:58:40,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 22:58:40,346 INFO L93 Difference]: Finished difference Result 16031 states and 18695 transitions. [2023-02-15 22:58:40,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2023-02-15 22:58:40,347 INFO L78 Accepts]: Start accepts. Automaton has has 64 states, 63 states have (on average 5.888888888888889) internal successors, (371), 64 states have internal predecessors, (371), 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 186 [2023-02-15 22:58:40,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 22:58:40,392 INFO L225 Difference]: With dead ends: 16031 [2023-02-15 22:58:40,392 INFO L226 Difference]: Without dead ends: 16030 [2023-02-15 22:58:40,398 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 402 GetRequests, 340 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=2016, Invalid=2016, Unknown=0, NotChecked=0, Total=4032 [2023-02-15 22:58:40,398 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 345 mSDsluCounter, 341 mSDsCounter, 0 mSdLazyCounter, 455 mSolverCounterSat, 134 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 345 SdHoareTripleChecker+Valid, 389 SdHoareTripleChecker+Invalid, 589 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 134 IncrementalHoareTripleChecker+Valid, 455 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-02-15 22:58:40,399 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [345 Valid, 389 Invalid, 589 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [134 Valid, 455 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-02-15 22:58:40,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16030 states. [2023-02-15 22:58:40,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16030 to 4492. [2023-02-15 22:58:40,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4492 states, 4490 states have (on average 1.1636971046770601) internal successors, (5225), 4491 states have internal predecessors, (5225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:58:40,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4492 states to 4492 states and 5225 transitions. [2023-02-15 22:58:40,756 INFO L78 Accepts]: Start accepts. Automaton has 4492 states and 5225 transitions. Word has length 186 [2023-02-15 22:58:40,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 22:58:40,757 INFO L495 AbstractCegarLoop]: Abstraction has 4492 states and 5225 transitions. [2023-02-15 22:58:40,757 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 64 states, 63 states have (on average 5.888888888888889) internal successors, (371), 64 states have internal predecessors, (371), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:58:40,757 INFO L276 IsEmpty]: Start isEmpty. Operand 4492 states and 5225 transitions. [2023-02-15 22:58:40,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2023-02-15 22:58:40,761 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 22:58:40,761 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 39, 26, 26, 26, 14, 14, 14, 1, 1, 1] [2023-02-15 22:58:40,773 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-02-15 22:58:40,967 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-02-15 22:58:40,967 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-02-15 22:58:40,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 22:58:40,968 INFO L85 PathProgramCache]: Analyzing trace with hash -696825554, now seen corresponding path program 5 times [2023-02-15 22:58:40,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 22:58:40,968 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967280248] [2023-02-15 22:58:40,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 22:58:40,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 22:58:41,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 22:58:41,693 INFO L134 CoverageAnalysis]: Checked inductivity of 3952 backedges. 1430 proven. 2002 refuted. 0 times theorem prover too weak. 520 trivial. 0 not checked. [2023-02-15 22:58:41,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 22:58:41,694 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1967280248] [2023-02-15 22:58:41,694 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1967280248] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-15 22:58:41,694 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [430604398] [2023-02-15 22:58:41,694 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-02-15 22:58:41,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 22:58:41,694 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 22:58:41,696 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-15 22:58:41,699 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-02-15 22:58:41,785 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 28 check-sat command(s) [2023-02-15 22:58:41,785 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-15 22:58:41,787 INFO L263 TraceCheckSpWp]: Trace formula consists of 405 conjuncts, 28 conjunts are in the unsatisfiable core [2023-02-15 22:58:41,791 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 22:58:41,962 INFO L134 CoverageAnalysis]: Checked inductivity of 3952 backedges. 1430 proven. 2002 refuted. 0 times theorem prover too weak. 520 trivial. 0 not checked. [2023-02-15 22:58:41,963 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-15 22:58:42,858 INFO L134 CoverageAnalysis]: Checked inductivity of 3952 backedges. 1430 proven. 2002 refuted. 0 times theorem prover too weak. 520 trivial. 0 not checked. [2023-02-15 22:58:42,859 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [430604398] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-15 22:58:42,859 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-15 22:58:42,859 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29, 29] total 53 [2023-02-15 22:58:42,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349229409] [2023-02-15 22:58:42,859 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-15 22:58:42,861 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2023-02-15 22:58:42,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 22:58:42,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2023-02-15 22:58:42,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1378, Invalid=1378, Unknown=0, NotChecked=0, Total=2756 [2023-02-15 22:58:42,863 INFO L87 Difference]: Start difference. First operand 4492 states and 5225 transitions. Second operand has 53 states, 53 states have (on average 5.90566037735849) internal successors, (313), 53 states have internal predecessors, (313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:58:43,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 22:58:43,082 INFO L93 Difference]: Finished difference Result 6854 states and 7985 transitions. [2023-02-15 22:58:43,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2023-02-15 22:58:43,083 INFO L78 Accepts]: Start accepts. Automaton has has 53 states, 53 states have (on average 5.90566037735849) internal successors, (313), 53 states have internal predecessors, (313), 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 242 [2023-02-15 22:58:43,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 22:58:43,090 INFO L225 Difference]: With dead ends: 6854 [2023-02-15 22:58:43,090 INFO L226 Difference]: Without dead ends: 2516 [2023-02-15 22:58:43,095 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 511 GetRequests, 457 SyntacticMatches, 3 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=1378, Invalid=1378, Unknown=0, NotChecked=0, Total=2756 [2023-02-15 22:58:43,096 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 5 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-15 22:58:43,096 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 177 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 163 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-15 22:58:43,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2516 states. [2023-02-15 22:58:43,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2516 to 2516. [2023-02-15 22:58:43,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2516 states, 2514 states have (on average 1.1491646778042959) internal successors, (2889), 2515 states have internal predecessors, (2889), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:58:43,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2516 states to 2516 states and 2889 transitions. [2023-02-15 22:58:43,158 INFO L78 Accepts]: Start accepts. Automaton has 2516 states and 2889 transitions. Word has length 242 [2023-02-15 22:58:43,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 22:58:43,158 INFO L495 AbstractCegarLoop]: Abstraction has 2516 states and 2889 transitions. [2023-02-15 22:58:43,158 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 53 states, 53 states have (on average 5.90566037735849) internal successors, (313), 53 states have internal predecessors, (313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:58:43,158 INFO L276 IsEmpty]: Start isEmpty. Operand 2516 states and 2889 transitions. [2023-02-15 22:58:43,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2023-02-15 22:58:43,163 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 22:58:43,164 INFO L195 NwaCegarLoop]: trace histogram [63, 63, 63, 62, 62, 62, 1, 1, 1] [2023-02-15 22:58:43,170 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-02-15 22:58:43,370 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-02-15 22:58:43,370 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-02-15 22:58:43,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 22:58:43,371 INFO L85 PathProgramCache]: Analyzing trace with hash -675893031, now seen corresponding path program 5 times [2023-02-15 22:58:43,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 22:58:43,371 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343211663] [2023-02-15 22:58:43,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 22:58:43,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 22:58:43,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 22:58:46,025 INFO L134 CoverageAnalysis]: Checked inductivity of 11594 backedges. 0 proven. 11594 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 22:58:46,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 22:58:46,025 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343211663] [2023-02-15 22:58:46,026 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1343211663] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-15 22:58:46,026 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1697687921] [2023-02-15 22:58:46,026 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-02-15 22:58:46,026 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 22:58:46,026 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 22:58:46,027 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-15 22:58:46,030 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-02-15 22:58:46,177 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 63 check-sat command(s) [2023-02-15 22:58:46,177 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-15 22:58:46,180 INFO L263 TraceCheckSpWp]: Trace formula consists of 631 conjuncts, 53 conjunts are in the unsatisfiable core [2023-02-15 22:58:46,185 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 22:58:48,448 INFO L134 CoverageAnalysis]: Checked inductivity of 11594 backedges. 11242 proven. 0 refuted. 0 times theorem prover too weak. 352 trivial. 0 not checked. [2023-02-15 22:58:48,448 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-02-15 22:58:48,449 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1697687921] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 22:58:48,449 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-02-15 22:58:48,449 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [54] imperfect sequences [64] total 117 [2023-02-15 22:58:48,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62035691] [2023-02-15 22:58:48,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 22:58:48,450 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2023-02-15 22:58:48,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 22:58:48,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2023-02-15 22:58:48,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3510, Invalid=10062, Unknown=0, NotChecked=0, Total=13572 [2023-02-15 22:58:48,455 INFO L87 Difference]: Start difference. First operand 2516 states and 2889 transitions. Second operand has 54 states, 54 states have (on average 5.87037037037037) internal successors, (317), 54 states have internal predecessors, (317), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:58:48,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 22:58:48,844 INFO L93 Difference]: Finished difference Result 2643 states and 3043 transitions. [2023-02-15 22:58:48,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2023-02-15 22:58:48,845 INFO L78 Accepts]: Start accepts. Automaton has has 54 states, 54 states have (on average 5.87037037037037) internal successors, (317), 54 states have internal predecessors, (317), 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 378 [2023-02-15 22:58:48,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 22:58:48,850 INFO L225 Difference]: With dead ends: 2643 [2023-02-15 22:58:48,850 INFO L226 Difference]: Without dead ends: 431 [2023-02-15 22:58:48,859 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 441 GetRequests, 326 SyntacticMatches, 0 SemanticMatches, 115 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3224 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=3510, Invalid=10062, Unknown=0, NotChecked=0, Total=13572 [2023-02-15 22:58:48,859 INFO L413 NwaCegarLoop]: 158 mSDtfsCounter, 29 mSDsluCounter, 445 mSDsCounter, 0 mSdLazyCounter, 598 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 603 SdHoareTripleChecker+Invalid, 598 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 598 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-02-15 22:58:48,860 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 603 Invalid, 598 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 598 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-02-15 22:58:48,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2023-02-15 22:58:48,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 393. [2023-02-15 22:58:48,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 393 states, 392 states have (on average 1.0025510204081634) internal successors, (393), 392 states have internal predecessors, (393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:58:48,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 393 transitions. [2023-02-15 22:58:48,871 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 393 transitions. Word has length 378 [2023-02-15 22:58:48,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 22:58:48,871 INFO L495 AbstractCegarLoop]: Abstraction has 393 states and 393 transitions. [2023-02-15 22:58:48,872 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 54 states have (on average 5.87037037037037) internal successors, (317), 54 states have internal predecessors, (317), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:58:48,872 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 393 transitions. [2023-02-15 22:58:48,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 393 [2023-02-15 22:58:48,876 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 22:58:48,876 INFO L195 NwaCegarLoop]: trace histogram [65, 65, 64, 51, 51, 51, 14, 14, 14, 1, 1, 1] [2023-02-15 22:58:48,888 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-02-15 22:58:49,083 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-02-15 22:58:49,084 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-02-15 22:58:49,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 22:58:49,084 INFO L85 PathProgramCache]: Analyzing trace with hash -1629285539, now seen corresponding path program 6 times [2023-02-15 22:58:49,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 22:58:49,085 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712902161] [2023-02-15 22:58:49,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 22:58:49,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 22:58:49,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 22:58:51,782 INFO L134 CoverageAnalysis]: Checked inductivity of 11052 backedges. 0 proven. 11052 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 22:58:51,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 22:58:51,782 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [712902161] [2023-02-15 22:58:51,783 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [712902161] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-15 22:58:51,783 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1259793376] [2023-02-15 22:58:51,783 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-02-15 22:58:51,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 22:58:51,783 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 22:58:51,784 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-15 22:58:51,786 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-02-15 22:58:51,871 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 29 check-sat command(s) [2023-02-15 22:58:51,871 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-15 22:58:51,873 INFO L263 TraceCheckSpWp]: Trace formula consists of 415 conjuncts, 16 conjunts are in the unsatisfiable core [2023-02-15 22:58:51,876 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 22:58:51,966 INFO L134 CoverageAnalysis]: Checked inductivity of 11052 backedges. 3028 proven. 574 refuted. 0 times theorem prover too weak. 7450 trivial. 0 not checked. [2023-02-15 22:58:51,967 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-15 22:58:52,735 INFO L134 CoverageAnalysis]: Checked inductivity of 11052 backedges. 3028 proven. 574 refuted. 0 times theorem prover too weak. 7450 trivial. 0 not checked. [2023-02-15 22:58:52,736 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1259793376] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-15 22:58:52,736 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-15 22:58:52,736 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [66, 16, 16] total 81 [2023-02-15 22:58:52,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847006131] [2023-02-15 22:58:52,736 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-15 22:58:52,737 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 82 states [2023-02-15 22:58:52,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 22:58:52,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 82 interpolants. [2023-02-15 22:58:52,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3321, Invalid=3321, Unknown=0, NotChecked=0, Total=6642 [2023-02-15 22:58:52,741 INFO L87 Difference]: Start difference. First operand 393 states and 393 transitions. Second operand has 82 states, 81 states have (on average 6.037037037037037) internal successors, (489), 82 states have internal predecessors, (489), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:58:53,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 22:58:53,107 INFO L93 Difference]: Finished difference Result 490 states and 505 transitions. [2023-02-15 22:58:53,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2023-02-15 22:58:53,108 INFO L78 Accepts]: Start accepts. Automaton has has 82 states, 81 states have (on average 6.037037037037037) internal successors, (489), 82 states have internal predecessors, (489), 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 392 [2023-02-15 22:58:53,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 22:58:53,110 INFO L225 Difference]: With dead ends: 490 [2023-02-15 22:58:53,110 INFO L226 Difference]: Without dead ends: 489 [2023-02-15 22:58:53,111 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 848 GetRequests, 768 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=3321, Invalid=3321, Unknown=0, NotChecked=0, Total=6642 [2023-02-15 22:58:53,112 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 4 mSDsluCounter, 253 mSDsCounter, 0 mSdLazyCounter, 254 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 261 SdHoareTripleChecker+Invalid, 255 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 254 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-02-15 22:58:53,112 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 261 Invalid, 255 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 254 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-02-15 22:58:53,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 489 states. [2023-02-15 22:58:53,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 489 to 489. [2023-02-15 22:58:53,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 489 states, 488 states have (on average 1.0020491803278688) internal successors, (489), 488 states have internal predecessors, (489), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:58:53,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 489 states and 489 transitions. [2023-02-15 22:58:53,124 INFO L78 Accepts]: Start accepts. Automaton has 489 states and 489 transitions. Word has length 392 [2023-02-15 22:58:53,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 22:58:53,124 INFO L495 AbstractCegarLoop]: Abstraction has 489 states and 489 transitions. [2023-02-15 22:58:53,125 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 82 states, 81 states have (on average 6.037037037037037) internal successors, (489), 82 states have internal predecessors, (489), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:58:53,125 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 489 transitions. [2023-02-15 22:58:53,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 489 [2023-02-15 22:58:53,131 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 22:58:53,132 INFO L195 NwaCegarLoop]: trace histogram [81, 81, 80, 51, 51, 51, 30, 30, 30, 1, 1, 1] [2023-02-15 22:58:53,145 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-02-15 22:58:53,338 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2023-02-15 22:58:53,338 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-02-15 22:58:53,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 22:58:53,339 INFO L85 PathProgramCache]: Analyzing trace with hash 361980461, now seen corresponding path program 7 times [2023-02-15 22:58:53,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 22:58:53,339 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738155573] [2023-02-15 22:58:53,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 22:58:53,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 22:58:53,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 22:58:57,239 INFO L134 CoverageAnalysis]: Checked inductivity of 16380 backedges. 0 proven. 16380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 22:58:57,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 22:58:57,239 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738155573] [2023-02-15 22:58:57,239 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [738155573] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-15 22:58:57,240 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1601612509] [2023-02-15 22:58:57,240 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-02-15 22:58:57,240 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 22:58:57,240 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 22:58:57,249 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-15 22:58:57,252 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-02-15 22:58:57,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 22:58:57,378 INFO L263 TraceCheckSpWp]: Trace formula consists of 815 conjuncts, 82 conjunts are in the unsatisfiable core [2023-02-15 22:58:57,391 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 22:58:57,908 INFO L134 CoverageAnalysis]: Checked inductivity of 16380 backedges. 0 proven. 16380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 22:58:57,909 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-15 22:59:04,302 INFO L134 CoverageAnalysis]: Checked inductivity of 16380 backedges. 0 proven. 16380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 22:59:04,302 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1601612509] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-15 22:59:04,303 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-15 22:59:04,303 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [82, 82, 82] total 163 [2023-02-15 22:59:04,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849648774] [2023-02-15 22:59:04,303 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-15 22:59:04,304 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 164 states [2023-02-15 22:59:04,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 22:59:04,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 164 interpolants. [2023-02-15 22:59:04,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13366, Invalid=13366, Unknown=0, NotChecked=0, Total=26732 [2023-02-15 22:59:04,312 INFO L87 Difference]: Start difference. First operand 489 states and 489 transitions. Second operand has 164 states, 163 states have (on average 5.9815950920245395) internal successors, (975), 164 states have internal predecessors, (975), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:59:05,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 22:59:05,886 INFO L93 Difference]: Finished difference Result 982 states and 1063 transitions. [2023-02-15 22:59:05,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 164 states. [2023-02-15 22:59:05,887 INFO L78 Accepts]: Start accepts. Automaton has has 164 states, 163 states have (on average 5.9815950920245395) internal successors, (975), 164 states have internal predecessors, (975), 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 488 [2023-02-15 22:59:05,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 22:59:05,890 INFO L225 Difference]: With dead ends: 982 [2023-02-15 22:59:05,890 INFO L226 Difference]: Without dead ends: 981 [2023-02-15 22:59:05,892 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1056 GetRequests, 894 SyntacticMatches, 0 SemanticMatches, 162 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.9s TimeCoverageRelationStatistics Valid=13366, Invalid=13366, Unknown=0, NotChecked=0, Total=26732 [2023-02-15 22:59:05,893 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 633 mSDsluCounter, 507 mSDsCounter, 0 mSdLazyCounter, 504 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 633 SdHoareTripleChecker+Valid, 515 SdHoareTripleChecker+Invalid, 505 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 504 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-02-15 22:59:05,893 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [633 Valid, 515 Invalid, 505 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 504 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-02-15 22:59:05,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 981 states. [2023-02-15 22:59:05,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 981 to 981. [2023-02-15 22:59:05,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 981 states, 980 states have (on average 1.0010204081632652) internal successors, (981), 980 states have internal predecessors, (981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:59:05,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 981 states to 981 states and 981 transitions. [2023-02-15 22:59:05,917 INFO L78 Accepts]: Start accepts. Automaton has 981 states and 981 transitions. Word has length 488 [2023-02-15 22:59:05,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 22:59:05,918 INFO L495 AbstractCegarLoop]: Abstraction has 981 states and 981 transitions. [2023-02-15 22:59:05,919 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 164 states, 163 states have (on average 5.9815950920245395) internal successors, (975), 164 states have internal predecessors, (975), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:59:05,919 INFO L276 IsEmpty]: Start isEmpty. Operand 981 states and 981 transitions. [2023-02-15 22:59:05,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 981 [2023-02-15 22:59:05,927 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 22:59:05,927 INFO L195 NwaCegarLoop]: trace histogram [163, 163, 162, 112, 112, 112, 51, 51, 51, 1, 1, 1] [2023-02-15 22:59:05,934 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2023-02-15 22:59:06,133 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2023-02-15 22:59:06,134 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-02-15 22:59:06,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 22:59:06,134 INFO L85 PathProgramCache]: Analyzing trace with hash -863476073, now seen corresponding path program 8 times [2023-02-15 22:59:06,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 22:59:06,135 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986599961] [2023-02-15 22:59:06,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 22:59:06,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 22:59:06,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 22:59:22,574 INFO L134 CoverageAnalysis]: Checked inductivity of 67794 backedges. 0 proven. 67794 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 22:59:22,574 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 22:59:22,574 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986599961] [2023-02-15 22:59:22,575 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [986599961] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-15 22:59:22,575 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [311155003] [2023-02-15 22:59:22,575 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-02-15 22:59:22,575 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 22:59:22,575 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 22:59:22,577 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-15 22:59:22,578 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-02-15 22:59:22,772 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-02-15 22:59:22,772 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-15 22:59:22,777 INFO L263 TraceCheckSpWp]: Trace formula consists of 1635 conjuncts, 105 conjunts are in the unsatisfiable core [2023-02-15 22:59:22,788 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 22:59:26,863 INFO L134 CoverageAnalysis]: Checked inductivity of 67794 backedges. 44279 proven. 12752 refuted. 0 times theorem prover too weak. 10763 trivial. 0 not checked. [2023-02-15 22:59:26,863 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-15 22:59:34,382 INFO L134 CoverageAnalysis]: Checked inductivity of 67794 backedges. 44279 proven. 12752 refuted. 0 times theorem prover too weak. 10763 trivial. 0 not checked. [2023-02-15 22:59:34,382 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [311155003] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-15 22:59:34,382 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-15 22:59:34,383 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [164, 55, 55] total 218 [2023-02-15 22:59:34,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081401990] [2023-02-15 22:59:34,383 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-15 22:59:34,384 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 218 states [2023-02-15 22:59:34,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 22:59:34,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 218 interpolants. [2023-02-15 22:59:34,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15014, Invalid=32292, Unknown=0, NotChecked=0, Total=47306 [2023-02-15 22:59:34,392 INFO L87 Difference]: Start difference. First operand 981 states and 981 transitions. Second operand has 218 states, 218 states have (on average 6.678899082568807) internal successors, (1456), 218 states have internal predecessors, (1456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:59:46,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 22:59:46,278 INFO L93 Difference]: Finished difference Result 981 states and 981 transitions. [2023-02-15 22:59:46,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 209 states. [2023-02-15 22:59:46,279 INFO L78 Accepts]: Start accepts. Automaton has has 218 states, 218 states have (on average 6.678899082568807) internal successors, (1456), 218 states have internal predecessors, (1456), 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 980 [2023-02-15 22:59:46,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 22:59:46,280 INFO L225 Difference]: With dead ends: 981 [2023-02-15 22:59:46,280 INFO L226 Difference]: Without dead ends: 0 [2023-02-15 22:59:46,288 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2329 GetRequests, 1802 SyntacticMatches, 104 SemanticMatches, 423 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49965 ImplicationChecksByTransitivity, 27.5s TimeCoverageRelationStatistics Valid=54683, Invalid=125517, Unknown=0, NotChecked=0, Total=180200 [2023-02-15 22:59:46,288 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 0 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 3055 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 3055 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3055 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-02-15 22:59:46,289 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 13 Invalid, 3055 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3055 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-02-15 22:59:46,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-02-15 22:59:46,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-02-15 22:59:46,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:59:46,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-02-15 22:59:46,289 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 980 [2023-02-15 22:59:46,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 22:59:46,290 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-02-15 22:59:46,291 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 218 states, 218 states have (on average 6.678899082568807) internal successors, (1456), 218 states have internal predecessors, (1456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 22:59:46,291 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-02-15 22:59:46,291 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-02-15 22:59:46,294 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 6 remaining) [2023-02-15 22:59:46,295 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 6 remaining) [2023-02-15 22:59:46,295 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 6 remaining) [2023-02-15 22:59:46,295 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 6 remaining) [2023-02-15 22:59:46,295 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 6 remaining) [2023-02-15 22:59:46,295 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 6 remaining) [2023-02-15 22:59:46,309 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2023-02-15 22:59:46,503 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 22:59:46,505 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-02-15 22:59:49,561 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 20) no Hoare annotation was computed. [2023-02-15 22:59:49,562 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-02-15 22:59:49,562 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 22) no Hoare annotation was computed. [2023-02-15 22:59:49,562 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 24) no Hoare annotation was computed. [2023-02-15 22:59:49,562 INFO L899 garLoopResultBuilder]: For program point L19(lines 19 23) no Hoare annotation was computed. [2023-02-15 22:59:49,562 INFO L899 garLoopResultBuilder]: For program point L19-2(lines 19 23) no Hoare annotation was computed. [2023-02-15 22:59:49,562 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-02-15 22:59:49,562 INFO L902 garLoopResultBuilder]: At program point main_returnLabel#1(lines 14 27) the Hoare annotation is: true [2023-02-15 22:59:49,562 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-02-15 22:59:49,562 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 20) no Hoare annotation was computed. [2023-02-15 22:59:49,562 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 22) no Hoare annotation was computed. [2023-02-15 22:59:49,562 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 24) no Hoare annotation was computed. [2023-02-15 22:59:49,562 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-02-15 22:59:49,562 INFO L899 garLoopResultBuilder]: For program point L24(line 24) no Hoare annotation was computed. [2023-02-15 22:59:49,563 INFO L899 garLoopResultBuilder]: For program point L22(line 22) no Hoare annotation was computed. [2023-02-15 22:59:49,563 INFO L899 garLoopResultBuilder]: For program point L22-1(line 22) no Hoare annotation was computed. [2023-02-15 22:59:49,563 INFO L899 garLoopResultBuilder]: For program point L20(line 20) no Hoare annotation was computed. [2023-02-15 22:59:49,563 INFO L899 garLoopResultBuilder]: For program point L20-1(line 20) no Hoare annotation was computed. [2023-02-15 22:59:49,566 INFO L895 garLoopResultBuilder]: At program point L18-2(lines 18 25) the Hoare annotation is: (let ((.cse7 (<= |ULTIMATE.start_main_~y~0#1| 26)) (.cse9 (<= |ULTIMATE.start_main_~y~0#1| 10)) (.cse0 (<= |ULTIMATE.start_main_~y~0#1| 5)) (.cse21 (<= |ULTIMATE.start_main_~y~0#1| 42)) (.cse3 (<= |ULTIMATE.start_main_~y~0#1| 7)) (.cse2 (<= |ULTIMATE.start_main_~y~0#1| 39)) (.cse11 (<= |ULTIMATE.start_main_~y~0#1| 9)) (.cse18 (<= |ULTIMATE.start_main_~y~0#1| 13)) (.cse1 (<= |ULTIMATE.start_main_~y~0#1| 23)) (.cse13 (<= |ULTIMATE.start_main_~y~0#1| 44)) (.cse25 (<= |ULTIMATE.start_main_~y~0#1| 0)) (.cse19 (<= |ULTIMATE.start_main_~y~0#1| 21)) (.cse30 (<= |ULTIMATE.start_main_~y~0#1| 1)) (.cse28 (<= |ULTIMATE.start_main_~y~0#1| 47)) (.cse8 (<= |ULTIMATE.start_main_~y~0#1| 15)) (.cse31 (<= |ULTIMATE.start_main_~y~0#1| 29)) (.cse33 (<= |ULTIMATE.start_main_~y~0#1| 22)) (.cse39 (<= |ULTIMATE.start_main_~y~0#1| 34)) (.cse32 (<= |ULTIMATE.start_main_~y~0#1| 12)) (.cse10 (<= |ULTIMATE.start_main_~y~0#1| 8)) (.cse26 (<= |ULTIMATE.start_main_~y~0#1| 14)) (.cse15 (<= |ULTIMATE.start_main_~y~0#1| 43)) (.cse5 (<= |ULTIMATE.start_main_~y~0#1| 38)) (.cse37 (<= |ULTIMATE.start_main_~y~0#1| 4)) (.cse16 (<= |ULTIMATE.start_main_~y~0#1| 50)) (.cse41 (<= |ULTIMATE.start_main_~y~0#1| 33)) (.cse38 (<= |ULTIMATE.start_main_~y~0#1| 20)) (.cse17 (<= |ULTIMATE.start_main_~y~0#1| 18)) (.cse40 (<= |ULTIMATE.start_main_~y~0#1| 30)) (.cse14 (<= |ULTIMATE.start_main_~y~0#1| 6)) (.cse47 (<= |ULTIMATE.start_main_~y~0#1| 28)) (.cse44 (<= |ULTIMATE.start_main_~y~0#1| 2)) (.cse36 (<= |ULTIMATE.start_main_~y~0#1| 35)) (.cse35 (<= |ULTIMATE.start_main_~y~0#1| 3)) (.cse46 (<= |ULTIMATE.start_main_~y~0#1| 31)) (.cse27 (<= |ULTIMATE.start_main_~y~0#1| 19)) (.cse42 (<= |ULTIMATE.start_main_~y~0#1| 11)) (.cse48 (<= |ULTIMATE.start_main_~y~0#1| 32)) (.cse51 (<= |ULTIMATE.start_main_~y~0#1| 45)) (.cse23 (<= |ULTIMATE.start_main_~y~0#1| 49)) (.cse43 (<= |ULTIMATE.start_main_~y~0#1| 36)) (.cse22 (<= |ULTIMATE.start_main_~y~0#1| 46)) (.cse45 (<= |ULTIMATE.start_main_~y~0#1| 41)) (.cse12 (<= |ULTIMATE.start_main_~y~0#1| 17)) (.cse24 (<= |ULTIMATE.start_main_~y~0#1| 37)) (.cse50 (<= |ULTIMATE.start_main_~y~0#1| 48)) (.cse29 (<= |ULTIMATE.start_main_~y~0#1| 24)) (.cse34 (<= |ULTIMATE.start_main_~y~0#1| 25)) (.cse20 (<= |ULTIMATE.start_main_~y~0#1| 40)) (.cse4 (<= 51 |ULTIMATE.start_main_~x~0#1|)) (.cse6 (< |ULTIMATE.start_main_~y~0#1| 2147483624)) (.cse52 (<= |ULTIMATE.start_main_~y~0#1| 16)) (.cse49 (<= |ULTIMATE.start_main_~y~0#1| 27))) (or (and .cse0 (<= 5 |ULTIMATE.start_main_~x~0#1|) (<= |ULTIMATE.start_main_~x~0#1| 5)) (and .cse1 (<= 23 |ULTIMATE.start_main_~x~0#1|) (<= |ULTIMATE.start_main_~x~0#1| 23)) (and .cse2 (<= |ULTIMATE.start_main_~x~0#1| 39) (<= 39 |ULTIMATE.start_main_~x~0#1|)) (and (<= 7 |ULTIMATE.start_main_~x~0#1|) (<= |ULTIMATE.start_main_~x~0#1| 7) .cse3) (and .cse4 (<= |ULTIMATE.start_main_~x~0#1| 64) .cse5 .cse6) (and .cse7 (<= |ULTIMATE.start_main_~x~0#1| 26) (<= 26 |ULTIMATE.start_main_~x~0#1|)) (and .cse8 (<= 15 |ULTIMATE.start_main_~x~0#1|) (<= |ULTIMATE.start_main_~x~0#1| 15)) (and (<= |ULTIMATE.start_main_~x~0#1| 10) (<= 10 |ULTIMATE.start_main_~x~0#1|) .cse9) (and .cse4 (<= |ULTIMATE.start_main_~x~0#1| 94) .cse6 .cse10) (and .cse4 (<= |ULTIMATE.start_main_~x~0#1| 93) .cse6 .cse11) (and .cse12 (<= |ULTIMATE.start_main_~x~0#1| 17) (<= 17 |ULTIMATE.start_main_~x~0#1|)) (and .cse4 (<= |ULTIMATE.start_main_~x~0#1| 58) .cse13) (and .cse4 .cse14 .cse6 (<= |ULTIMATE.start_main_~x~0#1| 96)) (and .cse15 (<= 43 |ULTIMATE.start_main_~x~0#1|) (<= |ULTIMATE.start_main_~x~0#1| 43)) (and (<= |ULTIMATE.start_main_~x~0#1| 50) (<= 50 |ULTIMATE.start_main_~x~0#1|) .cse16) (and .cse17 (<= 18 |ULTIMATE.start_main_~x~0#1|) (<= |ULTIMATE.start_main_~x~0#1| 18)) (and .cse4 .cse6 (<= |ULTIMATE.start_main_~x~0#1| 89) .cse18) (and .cse19 (<= |ULTIMATE.start_main_~x~0#1| 21) (<= 21 |ULTIMATE.start_main_~x~0#1|)) (and .cse4 (<= |ULTIMATE.start_main_~x~0#1| 62) .cse20) (and (<= |ULTIMATE.start_main_~x~0#1| 42) .cse21 (<= 42 |ULTIMATE.start_main_~x~0#1|)) (and .cse4 (<= |ULTIMATE.start_main_~x~0#1| 76) .cse6 .cse7) (and (<= |ULTIMATE.start_main_~x~0#1| 46) .cse22 (<= 46 |ULTIMATE.start_main_~x~0#1|)) (and (<= |ULTIMATE.start_main_~x~0#1| 49) .cse23 (<= 49 |ULTIMATE.start_main_~x~0#1|)) (and .cse4 .cse6 (<= |ULTIMATE.start_main_~x~0#1| 92) .cse9) (and (<= 37 |ULTIMATE.start_main_~x~0#1|) (<= |ULTIMATE.start_main_~x~0#1| 37) .cse24) (and .cse4 .cse6 (<= |ULTIMATE.start_main_~x~0#1| 97) .cse0) (and .cse25 (<= 0 |ULTIMATE.start_main_~x~0#1|) (<= 0 |ULTIMATE.start_main_~y~0#1|) (<= |ULTIMATE.start_main_~x~0#1| 0)) (and .cse26 (<= |ULTIMATE.start_main_~x~0#1| 14) (<= 14 |ULTIMATE.start_main_~x~0#1|)) (and .cse4 (<= |ULTIMATE.start_main_~x~0#1| 83) .cse6 .cse27) (and .cse28 (<= |ULTIMATE.start_main_~x~0#1| 47) (<= 47 |ULTIMATE.start_main_~x~0#1|)) (and (<= |ULTIMATE.start_main_~x~0#1| 78) .cse4 .cse6 .cse29) (and (<= |ULTIMATE.start_main_~x~0#1| 101) .cse4 .cse30 .cse6) (and .cse4 (<= |ULTIMATE.start_main_~x~0#1| 60) .cse21) (and .cse4 (<= |ULTIMATE.start_main_~x~0#1| 95) .cse6 .cse3) (and .cse2 .cse4 (<= |ULTIMATE.start_main_~x~0#1| 63)) (and (<= 9 |ULTIMATE.start_main_~x~0#1|) .cse11 (<= |ULTIMATE.start_main_~x~0#1| 9)) (and (<= 13 |ULTIMATE.start_main_~x~0#1|) (<= |ULTIMATE.start_main_~x~0#1| 13) .cse18) (and .cse1 .cse4 .cse6 (<= |ULTIMATE.start_main_~x~0#1| 79)) (and .cse4 (<= |ULTIMATE.start_main_~x~0#1| 73) .cse31 .cse6) (and (<= |ULTIMATE.start_main_~x~0#1| 44) (<= 44 |ULTIMATE.start_main_~x~0#1|) .cse13) (and (<= |ULTIMATE.start_main_~x~0#1| 12) .cse32 (<= 12 |ULTIMATE.start_main_~x~0#1|)) (and .cse4 .cse6 (<= |ULTIMATE.start_main_~x~0#1| 80) .cse33) (and .cse4 .cse34 .cse6 (<= |ULTIMATE.start_main_~x~0#1| 77)) (and .cse4 .cse6 .cse35 (<= |ULTIMATE.start_main_~x~0#1| 99)) (and .cse4 .cse36 .cse6 (<= |ULTIMATE.start_main_~x~0#1| 67)) (and .cse4 .cse25 .cse6 (<= |ULTIMATE.start_main_~x~0#1| 102)) (and .cse4 (<= |ULTIMATE.start_main_~x~0#1| 81) .cse19 .cse6) (and (<= |ULTIMATE.start_main_~x~0#1| 1) .cse30 (<= 1 |ULTIMATE.start_main_~x~0#1|)) (and .cse4 .cse28 (<= |ULTIMATE.start_main_~x~0#1| 55)) (and .cse37 (<= 4 |ULTIMATE.start_main_~x~0#1|) (<= |ULTIMATE.start_main_~x~0#1| 4)) (and .cse4 (<= |ULTIMATE.start_main_~x~0#1| 87) .cse8 .cse6) (and (<= |ULTIMATE.start_main_~x~0#1| 20) (<= 20 |ULTIMATE.start_main_~x~0#1|) .cse38) (and (<= 29 |ULTIMATE.start_main_~x~0#1|) .cse31 (<= |ULTIMATE.start_main_~x~0#1| 29)) (and .cse4 .cse39 (<= |ULTIMATE.start_main_~x~0#1| 68) .cse6) (and (<= |ULTIMATE.start_main_~x~0#1| 22) (<= 22 |ULTIMATE.start_main_~x~0#1|) .cse33) (and (<= |ULTIMATE.start_main_~x~0#1| 30) (<= 30 |ULTIMATE.start_main_~x~0#1|) .cse40) (and (<= |ULTIMATE.start_main_~x~0#1| 33) (<= 33 |ULTIMATE.start_main_~x~0#1|) .cse41) (and .cse39 (<= 34 |ULTIMATE.start_main_~x~0#1|) (<= |ULTIMATE.start_main_~x~0#1| 34)) (and .cse4 (<= |ULTIMATE.start_main_~x~0#1| 90) .cse6 .cse32) (and (<= 8 |ULTIMATE.start_main_~x~0#1|) (<= |ULTIMATE.start_main_~x~0#1| 8) .cse10) (and .cse4 .cse26 .cse6 (<= |ULTIMATE.start_main_~x~0#1| 88)) (and .cse15 .cse4 (<= |ULTIMATE.start_main_~x~0#1| 59)) (and .cse5 (<= 38 |ULTIMATE.start_main_~x~0#1|) (<= |ULTIMATE.start_main_~x~0#1| 38)) (and .cse37 .cse4 .cse6 (<= |ULTIMATE.start_main_~x~0#1| 98)) (and .cse4 .cse42 .cse6 (<= |ULTIMATE.start_main_~x~0#1| 91)) (and .cse4 (<= |ULTIMATE.start_main_~x~0#1| 66) .cse6 .cse43) (and .cse4 (<= |ULTIMATE.start_main_~x~0#1| 52) .cse16) (and .cse4 (<= |ULTIMATE.start_main_~x~0#1| 51) (<= |ULTIMATE.start_main_~y~0#1| 51)) (and .cse4 (<= |ULTIMATE.start_main_~x~0#1| 69) .cse6 .cse41) (and .cse4 .cse6 (<= |ULTIMATE.start_main_~x~0#1| 82) .cse38) (and .cse4 .cse44 .cse6 (<= |ULTIMATE.start_main_~x~0#1| 100)) (and (<= |ULTIMATE.start_main_~x~0#1| 41) .cse45 (<= 41 |ULTIMATE.start_main_~x~0#1|)) (and .cse17 .cse4 .cse6 (<= |ULTIMATE.start_main_~x~0#1| 84)) (and .cse46 (<= 31 |ULTIMATE.start_main_~x~0#1|) (<= |ULTIMATE.start_main_~x~0#1| 31)) (and .cse4 .cse6 (<= |ULTIMATE.start_main_~x~0#1| 72) .cse40) (and .cse4 .cse47 (<= |ULTIMATE.start_main_~x~0#1| 74) .cse6) (and .cse14 (<= 6 |ULTIMATE.start_main_~x~0#1|) (<= |ULTIMATE.start_main_~x~0#1| 6)) (and (<= |ULTIMATE.start_main_~x~0#1| 28) .cse47 (<= 28 |ULTIMATE.start_main_~x~0#1|)) (and .cse44 (<= 2 |ULTIMATE.start_main_~x~0#1|) (<= |ULTIMATE.start_main_~x~0#1| 2)) (and (<= |ULTIMATE.start_main_~x~0#1| 35) .cse36 (<= 35 |ULTIMATE.start_main_~x~0#1|)) (and .cse4 .cse6 .cse48 (<= |ULTIMATE.start_main_~x~0#1| 70)) (and .cse4 .cse6 .cse49 (<= |ULTIMATE.start_main_~x~0#1| 75)) (and .cse4 .cse50 (<= |ULTIMATE.start_main_~x~0#1| 54)) (and .cse4 (<= |ULTIMATE.start_main_~x~0#1| 103) (<= (+ |ULTIMATE.start_main_~y~0#1| 1) 0) .cse6) (and (<= |ULTIMATE.start_main_~x~0#1| 3) .cse35 (<= 3 |ULTIMATE.start_main_~x~0#1|)) (and .cse4 (<= |ULTIMATE.start_main_~x~0#1| 71) .cse6 .cse46) (and (<= 19 |ULTIMATE.start_main_~x~0#1|) (<= |ULTIMATE.start_main_~x~0#1| 19) .cse27) (and .cse51 (<= |ULTIMATE.start_main_~x~0#1| 45) (<= 45 |ULTIMATE.start_main_~x~0#1|)) (and (<= 11 |ULTIMATE.start_main_~x~0#1|) .cse42 (<= |ULTIMATE.start_main_~x~0#1| 11)) (and (<= |ULTIMATE.start_main_~x~0#1| 32) (<= 32 |ULTIMATE.start_main_~x~0#1|) .cse48) (and .cse4 (<= |ULTIMATE.start_main_~x~0#1| 57) .cse51) (and .cse4 (<= |ULTIMATE.start_main_~x~0#1| 53) .cse23) (and (<= |ULTIMATE.start_main_~x~0#1| 36) (<= 36 |ULTIMATE.start_main_~x~0#1|) .cse43) (and .cse4 .cse22 (<= |ULTIMATE.start_main_~x~0#1| 56)) (and (<= |ULTIMATE.start_main_~x~0#1| 61) .cse4 .cse45) (and .cse52 (<= |ULTIMATE.start_main_~x~0#1| 16) (<= 16 |ULTIMATE.start_main_~x~0#1|)) (and .cse12 .cse4 .cse6 (<= |ULTIMATE.start_main_~x~0#1| 85)) (and .cse4 (<= |ULTIMATE.start_main_~x~0#1| 65) .cse6 .cse24) (and .cse50 (<= 48 |ULTIMATE.start_main_~x~0#1|) (<= |ULTIMATE.start_main_~x~0#1| 48)) (and (<= 24 |ULTIMATE.start_main_~x~0#1|) (<= |ULTIMATE.start_main_~x~0#1| 24) .cse29) (and (<= |ULTIMATE.start_main_~x~0#1| 25) (<= 25 |ULTIMATE.start_main_~x~0#1|) .cse34) (and (<= 40 |ULTIMATE.start_main_~x~0#1|) (<= |ULTIMATE.start_main_~x~0#1| 40) .cse20) (and (<= |ULTIMATE.start_main_~x~0#1| 86) .cse4 .cse6 .cse52) (and .cse49 (<= 27 |ULTIMATE.start_main_~x~0#1|) (<= |ULTIMATE.start_main_~x~0#1| 27)))) [2023-02-15 22:59:49,566 INFO L899 garLoopResultBuilder]: For program point L18-3(lines 18 25) no Hoare annotation was computed. [2023-02-15 22:59:49,569 INFO L445 BasicCegarLoop]: Path program histogram: [8, 5, 1, 1, 1, 1, 1] [2023-02-15 22:59:49,570 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-02-15 22:59:49,613 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.02 10:59:49 BoogieIcfgContainer [2023-02-15 22:59:49,617 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-02-15 22:59:49,618 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-02-15 22:59:49,618 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-02-15 22:59:49,618 INFO L275 PluginConnector]: Witness Printer initialized [2023-02-15 22:59:49,618 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 10:58:30" (3/4) ... [2023-02-15 22:59:49,624 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-02-15 22:59:49,633 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-02-15 22:59:49,633 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-02-15 22:59:49,633 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-02-15 22:59:49,662 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-02-15 22:59:49,663 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-02-15 22:59:49,663 INFO L158 Benchmark]: Toolchain (without parser) took 79852.32ms. Allocated memory was 119.5MB in the beginning and 878.7MB in the end (delta: 759.2MB). Free memory was 77.7MB in the beginning and 755.7MB in the end (delta: -678.0MB). Peak memory consumption was 84.4MB. Max. memory is 16.1GB. [2023-02-15 22:59:49,664 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 119.5MB. Free memory is still 87.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-02-15 22:59:49,664 INFO L158 Benchmark]: CACSL2BoogieTranslator took 169.43ms. Allocated memory is still 119.5MB. Free memory was 77.7MB in the beginning and 68.5MB in the end (delta: 9.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-02-15 22:59:49,665 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.59ms. Allocated memory is still 119.5MB. Free memory was 68.5MB in the beginning and 67.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-15 22:59:49,665 INFO L158 Benchmark]: Boogie Preprocessor took 11.84ms. Allocated memory is still 119.5MB. Free memory was 67.2MB in the beginning and 66.4MB in the end (delta: 843.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-15 22:59:49,665 INFO L158 Benchmark]: RCFGBuilder took 234.29ms. Allocated memory is still 119.5MB. Free memory was 66.0MB in the beginning and 57.6MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-02-15 22:59:49,666 INFO L158 Benchmark]: TraceAbstraction took 79365.36ms. Allocated memory was 119.5MB in the beginning and 878.7MB in the end (delta: 759.2MB). Free memory was 56.8MB in the beginning and 757.8MB in the end (delta: -701.0MB). Peak memory consumption was 511.1MB. Max. memory is 16.1GB. [2023-02-15 22:59:49,666 INFO L158 Benchmark]: Witness Printer took 45.25ms. Allocated memory is still 878.7MB. Free memory was 757.8MB in the beginning and 755.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-15 22:59:49,667 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 119.5MB. Free memory is still 87.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 169.43ms. Allocated memory is still 119.5MB. Free memory was 77.7MB in the beginning and 68.5MB in the end (delta: 9.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 19.59ms. Allocated memory is still 119.5MB. Free memory was 68.5MB in the beginning and 67.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 11.84ms. Allocated memory is still 119.5MB. Free memory was 67.2MB in the beginning and 66.4MB in the end (delta: 843.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 234.29ms. Allocated memory is still 119.5MB. Free memory was 66.0MB in the beginning and 57.6MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 79365.36ms. Allocated memory was 119.5MB in the beginning and 878.7MB in the end (delta: 759.2MB). Free memory was 56.8MB in the beginning and 757.8MB in the end (delta: -701.0MB). Peak memory consumption was 511.1MB. Max. memory is 16.1GB. * Witness Printer took 45.25ms. Allocated memory is still 878.7MB. Free memory was 757.8MB in the beginning and 755.7MB 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: 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 - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 24]: 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, 20 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 79.3s, OverallIterations: 18, TraceHistogramMax: 163, PathProgramHistogramMax: 8, EmptinessCheckTime: 0.1s, AutomataDifference: 16.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1342 SdHoareTripleChecker+Valid, 2.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1342 mSDsluCounter, 2651 SdHoareTripleChecker+Invalid, 2.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2276 mSDsCounter, 248 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5683 IncrementalHoareTripleChecker+Invalid, 5931 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 248 mSolverCounterUnsat, 375 mSDtfsCounter, 5683 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6630 GetRequests, 5497 SyntacticMatches, 107 SemanticMatches, 1026 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53298 ImplicationChecksByTransitivity, 44.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4492occurred in iteration=13, InterpolantAutomatonStates: 778, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 18 MinimizatonAttempts, 13063 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 108 NumberOfFragments, 1167 HoareAnnotationTreeSize, 2 FomulaSimplifications, 3277 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 2 FomulaSimplificationsInter, 2040 FormulaSimplificationTreeSizeReductionInter, 2.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 54.1s InterpolantComputationTime, 6331 NumberOfCodeBlocks, 6151 NumberOfCodeBlocksAsserted, 173 NumberOfCheckSat, 9062 ConstructedInterpolants, 0 QuantifiedInterpolants, 22898 SizeOfPredicates, 0 NumberOfNonLiveVariables, 4976 ConjunctsInSsa, 379 ConjunctsInUnsatCore, 45 InterpolantComputations, 5 PerfectInterpolantSequences, 153586/338110 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 6 specifications checked. All of them hold - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((y <= 5 && 5 <= x) && x <= 5) || ((y <= 23 && 23 <= x) && x <= 23)) || ((y <= 39 && x <= 39) && 39 <= x)) || ((7 <= x && x <= 7) && y <= 7)) || (((51 <= x && x <= 64) && y <= 38) && y < 2147483624)) || ((y <= 26 && x <= 26) && 26 <= x)) || ((y <= 15 && 15 <= x) && x <= 15)) || ((x <= 10 && 10 <= x) && y <= 10)) || (((51 <= x && x <= 94) && y < 2147483624) && y <= 8)) || (((51 <= x && x <= 93) && y < 2147483624) && y <= 9)) || ((y <= 17 && x <= 17) && 17 <= x)) || ((51 <= x && x <= 58) && y <= 44)) || (((51 <= x && y <= 6) && y < 2147483624) && x <= 96)) || ((y <= 43 && 43 <= x) && x <= 43)) || ((x <= 50 && 50 <= x) && y <= 50)) || ((y <= 18 && 18 <= x) && x <= 18)) || (((51 <= x && y < 2147483624) && x <= 89) && y <= 13)) || ((y <= 21 && x <= 21) && 21 <= x)) || ((51 <= x && x <= 62) && y <= 40)) || ((x <= 42 && y <= 42) && 42 <= x)) || (((51 <= x && x <= 76) && y < 2147483624) && y <= 26)) || ((x <= 46 && y <= 46) && 46 <= x)) || ((x <= 49 && y <= 49) && 49 <= x)) || (((51 <= x && y < 2147483624) && x <= 92) && y <= 10)) || ((37 <= x && x <= 37) && y <= 37)) || (((51 <= x && y < 2147483624) && x <= 97) && y <= 5)) || (((y <= 0 && 0 <= x) && 0 <= y) && x <= 0)) || ((y <= 14 && x <= 14) && 14 <= x)) || (((51 <= x && x <= 83) && y < 2147483624) && y <= 19)) || ((y <= 47 && x <= 47) && 47 <= x)) || (((x <= 78 && 51 <= x) && y < 2147483624) && y <= 24)) || (((x <= 101 && 51 <= x) && y <= 1) && y < 2147483624)) || ((51 <= x && x <= 60) && y <= 42)) || (((51 <= x && x <= 95) && y < 2147483624) && y <= 7)) || ((y <= 39 && 51 <= x) && x <= 63)) || ((9 <= x && y <= 9) && x <= 9)) || ((13 <= x && x <= 13) && y <= 13)) || (((y <= 23 && 51 <= x) && y < 2147483624) && x <= 79)) || (((51 <= x && x <= 73) && y <= 29) && y < 2147483624)) || ((x <= 44 && 44 <= x) && y <= 44)) || ((x <= 12 && y <= 12) && 12 <= x)) || (((51 <= x && y < 2147483624) && x <= 80) && y <= 22)) || (((51 <= x && y <= 25) && y < 2147483624) && x <= 77)) || (((51 <= x && y < 2147483624) && y <= 3) && x <= 99)) || (((51 <= x && y <= 35) && y < 2147483624) && x <= 67)) || (((51 <= x && y <= 0) && y < 2147483624) && x <= 102)) || (((51 <= x && x <= 81) && y <= 21) && y < 2147483624)) || ((x <= 1 && y <= 1) && 1 <= x)) || ((51 <= x && y <= 47) && x <= 55)) || ((y <= 4 && 4 <= x) && x <= 4)) || (((51 <= x && x <= 87) && y <= 15) && y < 2147483624)) || ((x <= 20 && 20 <= x) && y <= 20)) || ((29 <= x && y <= 29) && x <= 29)) || (((51 <= x && y <= 34) && x <= 68) && y < 2147483624)) || ((x <= 22 && 22 <= x) && y <= 22)) || ((x <= 30 && 30 <= x) && y <= 30)) || ((x <= 33 && 33 <= x) && y <= 33)) || ((y <= 34 && 34 <= x) && x <= 34)) || (((51 <= x && x <= 90) && y < 2147483624) && y <= 12)) || ((8 <= x && x <= 8) && y <= 8)) || (((51 <= x && y <= 14) && y < 2147483624) && x <= 88)) || ((y <= 43 && 51 <= x) && x <= 59)) || ((y <= 38 && 38 <= x) && x <= 38)) || (((y <= 4 && 51 <= x) && y < 2147483624) && x <= 98)) || (((51 <= x && y <= 11) && y < 2147483624) && x <= 91)) || (((51 <= x && x <= 66) && y < 2147483624) && y <= 36)) || ((51 <= x && x <= 52) && y <= 50)) || ((51 <= x && x <= 51) && y <= 51)) || (((51 <= x && x <= 69) && y < 2147483624) && y <= 33)) || (((51 <= x && y < 2147483624) && x <= 82) && y <= 20)) || (((51 <= x && y <= 2) && y < 2147483624) && x <= 100)) || ((x <= 41 && y <= 41) && 41 <= x)) || (((y <= 18 && 51 <= x) && y < 2147483624) && x <= 84)) || ((y <= 31 && 31 <= x) && x <= 31)) || (((51 <= x && y < 2147483624) && x <= 72) && y <= 30)) || (((51 <= x && y <= 28) && x <= 74) && y < 2147483624)) || ((y <= 6 && 6 <= x) && x <= 6)) || ((x <= 28 && y <= 28) && 28 <= x)) || ((y <= 2 && 2 <= x) && x <= 2)) || ((x <= 35 && y <= 35) && 35 <= x)) || (((51 <= x && y < 2147483624) && y <= 32) && x <= 70)) || (((51 <= x && y < 2147483624) && y <= 27) && x <= 75)) || ((51 <= x && y <= 48) && x <= 54)) || (((51 <= x && x <= 103) && y + 1 <= 0) && y < 2147483624)) || ((x <= 3 && y <= 3) && 3 <= x)) || (((51 <= x && x <= 71) && y < 2147483624) && y <= 31)) || ((19 <= x && x <= 19) && y <= 19)) || ((y <= 45 && x <= 45) && 45 <= x)) || ((11 <= x && y <= 11) && x <= 11)) || ((x <= 32 && 32 <= x) && y <= 32)) || ((51 <= x && x <= 57) && y <= 45)) || ((51 <= x && x <= 53) && y <= 49)) || ((x <= 36 && 36 <= x) && y <= 36)) || ((51 <= x && y <= 46) && x <= 56)) || ((x <= 61 && 51 <= x) && y <= 41)) || ((y <= 16 && x <= 16) && 16 <= x)) || (((y <= 17 && 51 <= x) && y < 2147483624) && x <= 85)) || (((51 <= x && x <= 65) && y < 2147483624) && y <= 37)) || ((y <= 48 && 48 <= x) && x <= 48)) || ((24 <= x && x <= 24) && y <= 24)) || ((x <= 25 && 25 <= x) && y <= 25)) || ((40 <= x && x <= 40) && y <= 40)) || (((x <= 86 && 51 <= x) && y < 2147483624) && y <= 16)) || ((y <= 27 && 27 <= x) && x <= 27) RESULT: Ultimate proved your program to be correct! [2023-02-15 22:59:49,701 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