./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 2329fc70 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/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-?-2329fc7 [2023-02-14 02:51:56,347 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-14 02:51:56,348 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-14 02:51:56,367 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-14 02:51:56,367 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-14 02:51:56,368 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-14 02:51:56,369 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-14 02:51:56,373 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-14 02:51:56,375 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-14 02:51:56,379 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-14 02:51:56,380 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-14 02:51:56,381 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-14 02:51:56,382 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-14 02:51:56,385 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-14 02:51:56,387 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-14 02:51:56,388 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-14 02:51:56,389 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-14 02:51:56,390 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-14 02:51:56,391 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-14 02:51:56,395 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-14 02:51:56,396 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-14 02:51:56,397 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-14 02:51:56,399 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-14 02:51:56,399 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-14 02:51:56,405 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-14 02:51:56,405 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-14 02:51:56,406 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-14 02:51:56,407 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-14 02:51:56,407 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-14 02:51:56,408 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-14 02:51:56,408 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-14 02:51:56,409 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-14 02:51:56,410 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-14 02:51:56,411 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-14 02:51:56,412 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-14 02:51:56,412 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-14 02:51:56,412 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-14 02:51:56,413 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-14 02:51:56,413 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-14 02:51:56,413 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-14 02:51:56,414 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-14 02:51:56,415 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-02-14 02:51:56,440 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-14 02:51:56,442 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-14 02:51:56,442 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-14 02:51:56,442 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-14 02:51:56,443 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-14 02:51:56,443 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-14 02:51:56,444 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-14 02:51:56,444 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-14 02:51:56,444 INFO L138 SettingsManager]: * Use SBE=true [2023-02-14 02:51:56,444 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-14 02:51:56,445 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-02-14 02:51:56,445 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-14 02:51:56,446 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-14 02:51:56,446 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-02-14 02:51:56,446 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-14 02:51:56,446 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-02-14 02:51:56,446 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-02-14 02:51:56,446 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-14 02:51:56,446 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-14 02:51:56,447 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-02-14 02:51:56,447 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-14 02:51:56,447 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-14 02:51:56,447 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-14 02:51:56,447 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-14 02:51:56,448 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-14 02:51:56,448 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-14 02:51:56,448 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-02-14 02:51:56,448 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-14 02:51:56,448 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-02-14 02:51:56,448 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-14 02:51:56,449 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-02-14 02:51:56,449 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-14 02:51:56,449 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-14 02:51:56,449 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-14 02:51:56,449 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 06d48bd39a18f705c3286a70a8cdcced2226e3b2a16c7a38c85f5398d4bcad34 [2023-02-14 02:51:56,644 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-14 02:51:56,660 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-14 02:51:56,662 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-14 02:51:56,663 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-14 02:51:56,663 INFO L275 PluginConnector]: CDTParser initialized [2023-02-14 02:51:56,664 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted-lit/GopanReps-CAV2006-Fig1a.c [2023-02-14 02:51:57,646 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-14 02:51:57,773 INFO L351 CDTParser]: Found 1 translation units. [2023-02-14 02:51:57,773 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted-lit/GopanReps-CAV2006-Fig1a.c [2023-02-14 02:51:57,784 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/190106f01/9ba9e59034934410a7513955fae3b4a2/FLAG82051f6fe [2023-02-14 02:51:57,800 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/190106f01/9ba9e59034934410a7513955fae3b4a2 [2023-02-14 02:51:57,802 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-14 02:51:57,804 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-14 02:51:57,808 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-14 02:51:57,808 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-14 02:51:57,811 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-14 02:51:57,811 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.02 02:51:57" (1/1) ... [2023-02-14 02:51:57,812 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4dbbcecb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:51:57, skipping insertion in model container [2023-02-14 02:51:57,813 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.02 02:51:57" (1/1) ... [2023-02-14 02:51:57,817 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-14 02:51:57,828 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-14 02:51:57,949 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-14 02:51:57,953 INFO L203 MainTranslator]: Completed pre-run [2023-02-14 02:51:57,965 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-14 02:51:57,974 INFO L208 MainTranslator]: Completed translation [2023-02-14 02:51:57,975 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:51:57 WrapperNode [2023-02-14 02:51:57,975 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-14 02:51:57,977 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-14 02:51:57,977 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-14 02:51:57,977 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-14 02:51:57,981 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:51:57" (1/1) ... [2023-02-14 02:51:57,984 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:51:57" (1/1) ... [2023-02-14 02:51:57,995 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 22 [2023-02-14 02:51:57,995 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-14 02:51:57,995 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-14 02:51:57,996 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-14 02:51:57,996 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-14 02:51:58,001 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:51:57" (1/1) ... [2023-02-14 02:51:58,002 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:51:57" (1/1) ... [2023-02-14 02:51:58,003 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:51:57" (1/1) ... [2023-02-14 02:51:58,003 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:51:57" (1/1) ... [2023-02-14 02:51:58,005 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:51:57" (1/1) ... [2023-02-14 02:51:58,010 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:51:57" (1/1) ... [2023-02-14 02:51:58,011 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:51:57" (1/1) ... [2023-02-14 02:51:58,011 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:51:57" (1/1) ... [2023-02-14 02:51:58,015 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-14 02:51:58,016 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-14 02:51:58,016 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-14 02:51:58,017 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-14 02:51:58,017 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:51:57" (1/1) ... [2023-02-14 02:51:58,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-14 02:51:58,029 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 02:51:58,070 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-02-14 02:51:58,087 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-02-14 02:51:58,099 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-14 02:51:58,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-14 02:51:58,153 INFO L235 CfgBuilder]: Building ICFG [2023-02-14 02:51:58,154 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-14 02:51:58,238 INFO L276 CfgBuilder]: Performing block encoding [2023-02-14 02:51:58,244 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-14 02:51:58,244 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2023-02-14 02:51:58,246 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.02 02:51:58 BoogieIcfgContainer [2023-02-14 02:51:58,246 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-14 02:51:58,249 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-02-14 02:51:58,249 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-02-14 02:51:58,251 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-02-14 02:51:58,252 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.02 02:51:57" (1/3) ... [2023-02-14 02:51:58,252 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f47504 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.02 02:51:58, skipping insertion in model container [2023-02-14 02:51:58,252 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:51:57" (2/3) ... [2023-02-14 02:51:58,253 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f47504 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.02 02:51:58, skipping insertion in model container [2023-02-14 02:51:58,253 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.02 02:51:58" (3/3) ... [2023-02-14 02:51:58,254 INFO L112 eAbstractionObserver]: Analyzing ICFG GopanReps-CAV2006-Fig1a.c [2023-02-14 02:51:58,266 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-02-14 02:51:58,267 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2023-02-14 02:51:58,308 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-02-14 02:51:58,314 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;@53f804b, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-02-14 02:51:58,315 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2023-02-14 02:51:58,317 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) [2023-02-14 02:51:58,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-02-14 02:51:58,322 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 02:51:58,322 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2023-02-14 02:51:58,323 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)] === [2023-02-14 02:51:58,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 02:51:58,327 INFO L85 PathProgramCache]: Analyzing trace with hash 28699945, now seen corresponding path program 1 times [2023-02-14 02:51:58,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 02:51:58,334 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2139188267] [2023-02-14 02:51:58,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 02:51:58,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 02:51:58,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:51:58,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 02:51:58,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 02:51:58,427 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2139188267] [2023-02-14 02:51:58,428 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2139188267] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-14 02:51:58,428 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-14 02:51:58,428 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-14 02:51:58,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605330838] [2023-02-14 02:51:58,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-14 02:51:58,432 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-14 02:51:58,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 02:51:58,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-14 02:51:58,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-14 02:51:58,453 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) [2023-02-14 02:51:58,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 02:51:58,477 INFO L93 Difference]: Finished difference Result 50 states and 58 transitions. [2023-02-14 02:51:58,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-14 02:51:58,479 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 [2023-02-14 02:51:58,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 02:51:58,483 INFO L225 Difference]: With dead ends: 50 [2023-02-14 02:51:58,484 INFO L226 Difference]: Without dead ends: 24 [2023-02-14 02:51:58,486 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 [2023-02-14 02:51:58,488 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 [2023-02-14 02:51:58,489 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] [2023-02-14 02:51:58,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2023-02-14 02:51:58,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 22. [2023-02-14 02:51:58,509 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) [2023-02-14 02:51:58,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 26 transitions. [2023-02-14 02:51:58,510 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 26 transitions. Word has length 5 [2023-02-14 02:51:58,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 02:51:58,511 INFO L495 AbstractCegarLoop]: Abstraction has 22 states and 26 transitions. [2023-02-14 02:51:58,511 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) [2023-02-14 02:51:58,511 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2023-02-14 02:51:58,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-02-14 02:51:58,512 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 02:51:58,512 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2023-02-14 02:51:58,512 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-02-14 02:51:58,512 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)] === [2023-02-14 02:51:58,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 02:51:58,513 INFO L85 PathProgramCache]: Analyzing trace with hash 28699753, now seen corresponding path program 1 times [2023-02-14 02:51:58,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 02:51:58,513 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101574224] [2023-02-14 02:51:58,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 02:51:58,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 02:51:58,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:51:58,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 02:51:58,532 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 02:51:58,540 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101574224] [2023-02-14 02:51:58,540 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2101574224] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-14 02:51:58,549 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-14 02:51:58,549 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-02-14 02:51:58,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815956198] [2023-02-14 02:51:58,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-14 02:51:58,550 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-14 02:51:58,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 02:51:58,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-14 02:51:58,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-14 02:51:58,551 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) [2023-02-14 02:51:58,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 02:51:58,565 INFO L93 Difference]: Finished difference Result 27 states and 31 transitions. [2023-02-14 02:51:58,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-14 02:51:58,565 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 [2023-02-14 02:51:58,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 02:51:58,566 INFO L225 Difference]: With dead ends: 27 [2023-02-14 02:51:58,566 INFO L226 Difference]: Without dead ends: 25 [2023-02-14 02:51:58,566 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 [2023-02-14 02:51:58,567 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 [2023-02-14 02:51:58,568 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] [2023-02-14 02:51:58,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2023-02-14 02:51:58,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 20. [2023-02-14 02:51:58,571 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) [2023-02-14 02:51:58,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 23 transitions. [2023-02-14 02:51:58,571 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 23 transitions. Word has length 5 [2023-02-14 02:51:58,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 02:51:58,572 INFO L495 AbstractCegarLoop]: Abstraction has 20 states and 23 transitions. [2023-02-14 02:51:58,572 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) [2023-02-14 02:51:58,572 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2023-02-14 02:51:58,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-02-14 02:51:58,573 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 02:51:58,573 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-02-14 02:51:58,573 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-02-14 02:51:58,573 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)] === [2023-02-14 02:51:58,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 02:51:58,574 INFO L85 PathProgramCache]: Analyzing trace with hash 889692391, now seen corresponding path program 1 times [2023-02-14 02:51:58,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 02:51:58,574 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404608744] [2023-02-14 02:51:58,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 02:51:58,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 02:51:58,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:51:58,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 02:51:58,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 02:51:58,593 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404608744] [2023-02-14 02:51:58,593 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1404608744] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-14 02:51:58,593 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-14 02:51:58,594 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-02-14 02:51:58,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154728973] [2023-02-14 02:51:58,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-14 02:51:58,594 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-14 02:51:58,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 02:51:58,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-14 02:51:58,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-14 02:51:58,595 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) [2023-02-14 02:51:58,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 02:51:58,607 INFO L93 Difference]: Finished difference Result 21 states and 23 transitions. [2023-02-14 02:51:58,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-14 02:51:58,608 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 [2023-02-14 02:51:58,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 02:51:58,608 INFO L225 Difference]: With dead ends: 21 [2023-02-14 02:51:58,608 INFO L226 Difference]: Without dead ends: 20 [2023-02-14 02:51:58,609 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 [2023-02-14 02:51:58,610 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 [2023-02-14 02:51:58,610 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] [2023-02-14 02:51:58,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2023-02-14 02:51:58,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2023-02-14 02:51:58,613 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) [2023-02-14 02:51:58,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 22 transitions. [2023-02-14 02:51:58,614 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 22 transitions. Word has length 6 [2023-02-14 02:51:58,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 02:51:58,614 INFO L495 AbstractCegarLoop]: Abstraction has 20 states and 22 transitions. [2023-02-14 02:51:58,614 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) [2023-02-14 02:51:58,614 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 22 transitions. [2023-02-14 02:51:58,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-02-14 02:51:58,615 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 02:51:58,615 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-02-14 02:51:58,615 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-02-14 02:51:58,615 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)] === [2023-02-14 02:51:58,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 02:51:58,616 INFO L85 PathProgramCache]: Analyzing trace with hash 1810660402, now seen corresponding path program 1 times [2023-02-14 02:51:58,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 02:51:58,616 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461485765] [2023-02-14 02:51:58,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 02:51:58,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 02:51:58,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:51:58,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 02:51:58,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 02:51:58,662 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [461485765] [2023-02-14 02:51:58,663 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [461485765] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-14 02:51:58,663 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-14 02:51:58,663 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-02-14 02:51:58,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378846827] [2023-02-14 02:51:58,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-14 02:51:58,664 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-14 02:51:58,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 02:51:58,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-14 02:51:58,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-14 02:51:58,665 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) [2023-02-14 02:51:58,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 02:51:58,688 INFO L93 Difference]: Finished difference Result 20 states and 22 transitions. [2023-02-14 02:51:58,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-14 02:51:58,689 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 [2023-02-14 02:51:58,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 02:51:58,689 INFO L225 Difference]: With dead ends: 20 [2023-02-14 02:51:58,689 INFO L226 Difference]: Without dead ends: 19 [2023-02-14 02:51:58,690 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 [2023-02-14 02:51:58,691 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 [2023-02-14 02:51:58,691 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] [2023-02-14 02:51:58,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2023-02-14 02:51:58,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2023-02-14 02:51:58,694 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) [2023-02-14 02:51:58,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 20 transitions. [2023-02-14 02:51:58,695 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 20 transitions. Word has length 7 [2023-02-14 02:51:58,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 02:51:58,695 INFO L495 AbstractCegarLoop]: Abstraction has 19 states and 20 transitions. [2023-02-14 02:51:58,695 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) [2023-02-14 02:51:58,696 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2023-02-14 02:51:58,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-02-14 02:51:58,696 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 02:51:58,696 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-14 02:51:58,697 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-02-14 02:51:58,697 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)] === [2023-02-14 02:51:58,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 02:51:58,704 INFO L85 PathProgramCache]: Analyzing trace with hash 421929780, now seen corresponding path program 1 times [2023-02-14 02:51:58,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 02:51:58,705 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034190732] [2023-02-14 02:51:58,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 02:51:58,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 02:51:58,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:51:58,778 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 02:51:58,779 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 02:51:58,779 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2034190732] [2023-02-14 02:51:58,779 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2034190732] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-14 02:51:58,780 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1452852201] [2023-02-14 02:51:58,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 02:51:58,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 02:51:58,788 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 02:51:58,791 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) [2023-02-14 02:51:58,792 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-02-14 02:51:58,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:51:58,817 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 3 conjunts are in the unsatisfiable core [2023-02-14 02:51:58,820 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 02:51:58,872 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 02:51:58,873 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-14 02:51:58,904 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 02:51:58,904 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1452852201] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-14 02:51:58,904 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-14 02:51:58,905 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 8 [2023-02-14 02:51:58,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2050102868] [2023-02-14 02:51:58,905 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-14 02:51:58,905 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-02-14 02:51:58,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 02:51:58,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-02-14 02:51:58,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2023-02-14 02:51:58,907 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) [2023-02-14 02:51:59,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 02:51:59,006 INFO L93 Difference]: Finished difference Result 35 states and 41 transitions. [2023-02-14 02:51:59,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-02-14 02:51:59,007 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 [2023-02-14 02:51:59,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 02:51:59,008 INFO L225 Difference]: With dead ends: 35 [2023-02-14 02:51:59,009 INFO L226 Difference]: Without dead ends: 24 [2023-02-14 02:51:59,009 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 [2023-02-14 02:51:59,010 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, 0.1s IncrementalHoareTripleChecker+Time [2023-02-14 02:51:59,010 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 14 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-14 02:51:59,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2023-02-14 02:51:59,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2023-02-14 02:51:59,014 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) [2023-02-14 02:51:59,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 25 transitions. [2023-02-14 02:51:59,014 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 25 transitions. Word has length 12 [2023-02-14 02:51:59,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 02:51:59,015 INFO L495 AbstractCegarLoop]: Abstraction has 24 states and 25 transitions. [2023-02-14 02:51:59,015 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) [2023-02-14 02:51:59,015 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 25 transitions. [2023-02-14 02:51:59,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-02-14 02:51:59,016 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 02:51:59,016 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1] [2023-02-14 02:51:59,021 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-02-14 02:51:59,219 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 [2023-02-14 02:51:59,220 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)] === [2023-02-14 02:51:59,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 02:51:59,220 INFO L85 PathProgramCache]: Analyzing trace with hash -1680616011, now seen corresponding path program 1 times [2023-02-14 02:51:59,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 02:51:59,221 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391455783] [2023-02-14 02:51:59,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 02:51:59,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 02:51:59,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:51:59,350 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 02:51:59,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 02:51:59,351 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [391455783] [2023-02-14 02:51:59,351 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [391455783] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-14 02:51:59,351 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [854111897] [2023-02-14 02:51:59,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 02:51:59,352 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 02:51:59,352 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 02:51:59,353 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) [2023-02-14 02:51:59,355 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-02-14 02:51:59,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:51:59,376 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 4 conjunts are in the unsatisfiable core [2023-02-14 02:51:59,377 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 02:51:59,401 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 02:51:59,401 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-14 02:51:59,450 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 02:51:59,450 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [854111897] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-14 02:51:59,450 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-14 02:51:59,450 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2023-02-14 02:51:59,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271570903] [2023-02-14 02:51:59,451 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-14 02:51:59,451 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-02-14 02:51:59,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 02:51:59,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-02-14 02:51:59,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2023-02-14 02:51:59,452 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) [2023-02-14 02:51:59,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 02:51:59,491 INFO L93 Difference]: Finished difference Result 79 states and 91 transitions. [2023-02-14 02:51:59,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-02-14 02:51:59,491 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 [2023-02-14 02:51:59,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 02:51:59,492 INFO L225 Difference]: With dead ends: 79 [2023-02-14 02:51:59,492 INFO L226 Difference]: Without dead ends: 78 [2023-02-14 02:51:59,493 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 [2023-02-14 02:51:59,494 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 [2023-02-14 02:51:59,494 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] [2023-02-14 02:51:59,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2023-02-14 02:51:59,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 68. [2023-02-14 02:51:59,500 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) [2023-02-14 02:51:59,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 81 transitions. [2023-02-14 02:51:59,501 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 81 transitions. Word has length 18 [2023-02-14 02:51:59,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 02:51:59,501 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 81 transitions. [2023-02-14 02:51:59,502 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) [2023-02-14 02:51:59,502 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 81 transitions. [2023-02-14 02:51:59,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-02-14 02:51:59,502 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 02:51:59,502 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2023-02-14 02:51:59,509 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-02-14 02:51:59,707 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 [2023-02-14 02:51:59,708 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)] === [2023-02-14 02:51:59,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 02:51:59,708 INFO L85 PathProgramCache]: Analyzing trace with hash -158555811, now seen corresponding path program 1 times [2023-02-14 02:51:59,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 02:51:59,709 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231779110] [2023-02-14 02:51:59,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 02:51:59,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 02:51:59,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:51:59,751 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-02-14 02:51:59,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 02:51:59,752 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1231779110] [2023-02-14 02:51:59,752 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1231779110] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-14 02:51:59,752 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [267152207] [2023-02-14 02:51:59,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 02:51:59,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 02:51:59,753 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 02:51:59,779 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) [2023-02-14 02:51:59,780 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-02-14 02:51:59,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:51:59,800 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 4 conjunts are in the unsatisfiable core [2023-02-14 02:51:59,801 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 02:51:59,832 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 02:51:59,832 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-14 02:51:59,871 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 02:51:59,872 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [267152207] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-14 02:51:59,872 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-14 02:51:59,872 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 4, 4] total 9 [2023-02-14 02:51:59,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506599488] [2023-02-14 02:51:59,873 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-14 02:51:59,873 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-02-14 02:51:59,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 02:51:59,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-02-14 02:51:59,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2023-02-14 02:51:59,875 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) [2023-02-14 02:51:59,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 02:51:59,919 INFO L93 Difference]: Finished difference Result 160 states and 201 transitions. [2023-02-14 02:51:59,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-02-14 02:51:59,920 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 [2023-02-14 02:51:59,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 02:51:59,925 INFO L225 Difference]: With dead ends: 160 [2023-02-14 02:51:59,925 INFO L226 Difference]: Without dead ends: 106 [2023-02-14 02:51:59,926 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 [2023-02-14 02:51:59,927 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 [2023-02-14 02:51:59,928 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] [2023-02-14 02:51:59,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2023-02-14 02:51:59,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2023-02-14 02:51:59,953 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) [2023-02-14 02:51:59,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 119 transitions. [2023-02-14 02:51:59,954 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 119 transitions. Word has length 20 [2023-02-14 02:51:59,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 02:51:59,954 INFO L495 AbstractCegarLoop]: Abstraction has 106 states and 119 transitions. [2023-02-14 02:51:59,954 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) [2023-02-14 02:51:59,954 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 119 transitions. [2023-02-14 02:51:59,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-02-14 02:51:59,955 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 02:51:59,955 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 6, 6, 1, 1, 1] [2023-02-14 02:51:59,964 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-02-14 02:52:00,156 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 [2023-02-14 02:52:00,156 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)] === [2023-02-14 02:52:00,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 02:52:00,157 INFO L85 PathProgramCache]: Analyzing trace with hash -1397788591, now seen corresponding path program 2 times [2023-02-14 02:52:00,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 02:52:00,157 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539311086] [2023-02-14 02:52:00,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 02:52:00,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 02:52:00,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:52:00,291 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 114 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 02:52:00,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 02:52:00,292 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1539311086] [2023-02-14 02:52:00,292 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1539311086] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-14 02:52:00,292 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [474333046] [2023-02-14 02:52:00,292 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-02-14 02:52:00,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 02:52:00,293 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 02:52:00,297 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) [2023-02-14 02:52:00,297 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-02-14 02:52:00,324 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-02-14 02:52:00,325 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-14 02:52:00,325 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 8 conjunts are in the unsatisfiable core [2023-02-14 02:52:00,327 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 02:52:00,372 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 114 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 02:52:00,372 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-14 02:52:00,473 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 114 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 02:52:00,474 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [474333046] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-14 02:52:00,474 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-14 02:52:00,474 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 15 [2023-02-14 02:52:00,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761135601] [2023-02-14 02:52:00,474 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-14 02:52:00,475 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-02-14 02:52:00,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 02:52:00,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-02-14 02:52:00,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=120, Unknown=0, NotChecked=0, Total=240 [2023-02-14 02:52:00,476 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) [2023-02-14 02:52:00,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 02:52:00,562 INFO L93 Difference]: Finished difference Result 563 states and 656 transitions. [2023-02-14 02:52:00,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-02-14 02:52:00,563 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 [2023-02-14 02:52:00,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 02:52:00,564 INFO L225 Difference]: With dead ends: 563 [2023-02-14 02:52:00,565 INFO L226 Difference]: Without dead ends: 562 [2023-02-14 02:52:00,565 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 [2023-02-14 02:52:00,566 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 [2023-02-14 02:52:00,566 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] [2023-02-14 02:52:00,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 562 states. [2023-02-14 02:52:00,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 562 to 370. [2023-02-14 02:52:00,584 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) [2023-02-14 02:52:00,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 370 states and 428 transitions. [2023-02-14 02:52:00,586 INFO L78 Accepts]: Start accepts. Automaton has 370 states and 428 transitions. Word has length 42 [2023-02-14 02:52:00,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 02:52:00,586 INFO L495 AbstractCegarLoop]: Abstraction has 370 states and 428 transitions. [2023-02-14 02:52:00,586 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) [2023-02-14 02:52:00,586 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 428 transitions. [2023-02-14 02:52:00,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-02-14 02:52:00,588 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 02:52:00,588 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 8, 5, 5, 5, 4, 4, 4, 1, 1, 1] [2023-02-14 02:52:00,595 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-02-14 02:52:00,803 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 [2023-02-14 02:52:00,804 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)] === [2023-02-14 02:52:00,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 02:52:00,804 INFO L85 PathProgramCache]: Analyzing trace with hash 998254943, now seen corresponding path program 2 times [2023-02-14 02:52:00,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 02:52:00,805 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372314084] [2023-02-14 02:52:00,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 02:52:00,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 02:52:00,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:52:00,915 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 80 proven. 44 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2023-02-14 02:52:00,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 02:52:00,916 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1372314084] [2023-02-14 02:52:00,916 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1372314084] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-14 02:52:00,916 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1114969332] [2023-02-14 02:52:00,916 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-02-14 02:52:00,917 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 02:52:00,917 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 02:52:00,933 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) [2023-02-14 02:52:00,935 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-02-14 02:52:00,982 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-02-14 02:52:00,983 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-14 02:52:00,984 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 6 conjunts are in the unsatisfiable core [2023-02-14 02:52:00,986 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 02:52:01,041 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 80 proven. 44 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2023-02-14 02:52:01,041 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-14 02:52:01,129 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 80 proven. 44 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2023-02-14 02:52:01,130 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1114969332] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-14 02:52:01,130 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-14 02:52:01,130 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 12 [2023-02-14 02:52:01,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630326566] [2023-02-14 02:52:01,131 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-14 02:52:01,132 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-02-14 02:52:01,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 02:52:01,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-02-14 02:52:01,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2023-02-14 02:52:01,134 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) [2023-02-14 02:52:01,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 02:52:01,185 INFO L93 Difference]: Finished difference Result 596 states and 691 transitions. [2023-02-14 02:52:01,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-02-14 02:52:01,186 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 [2023-02-14 02:52:01,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 02:52:01,187 INFO L225 Difference]: With dead ends: 596 [2023-02-14 02:52:01,187 INFO L226 Difference]: Without dead ends: 248 [2023-02-14 02:52:01,189 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 [2023-02-14 02:52:01,190 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 [2023-02-14 02:52:01,191 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] [2023-02-14 02:52:01,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2023-02-14 02:52:01,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 248. [2023-02-14 02:52:01,203 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) [2023-02-14 02:52:01,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 279 transitions. [2023-02-14 02:52:01,204 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 279 transitions. Word has length 56 [2023-02-14 02:52:01,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 02:52:01,205 INFO L495 AbstractCegarLoop]: Abstraction has 248 states and 279 transitions. [2023-02-14 02:52:01,205 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) [2023-02-14 02:52:01,205 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 279 transitions. [2023-02-14 02:52:01,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-02-14 02:52:01,208 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 02:52:01,208 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 14, 14, 14, 1, 1, 1] [2023-02-14 02:52:01,217 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-02-14 02:52:01,426 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 [2023-02-14 02:52:01,427 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)] === [2023-02-14 02:52:01,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 02:52:01,427 INFO L85 PathProgramCache]: Analyzing trace with hash -2052757111, now seen corresponding path program 3 times [2023-02-14 02:52:01,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 02:52:01,427 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803020095] [2023-02-14 02:52:01,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 02:52:01,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 02:52:01,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:52:01,706 INFO L134 CoverageAnalysis]: Checked inductivity of 602 backedges. 0 proven. 602 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 02:52:01,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 02:52:01,706 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [803020095] [2023-02-14 02:52:01,706 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [803020095] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-14 02:52:01,707 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1843346512] [2023-02-14 02:52:01,707 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-02-14 02:52:01,707 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 02:52:01,710 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 02:52:01,711 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) [2023-02-14 02:52:01,714 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-02-14 02:52:01,790 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2023-02-14 02:52:01,791 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-14 02:52:01,791 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 16 conjunts are in the unsatisfiable core [2023-02-14 02:52:01,793 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 02:52:01,872 INFO L134 CoverageAnalysis]: Checked inductivity of 602 backedges. 0 proven. 602 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 02:52:01,872 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-14 02:52:02,246 INFO L134 CoverageAnalysis]: Checked inductivity of 602 backedges. 0 proven. 602 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 02:52:02,246 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1843346512] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-14 02:52:02,246 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-14 02:52:02,246 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 31 [2023-02-14 02:52:02,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408359696] [2023-02-14 02:52:02,247 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-14 02:52:02,247 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2023-02-14 02:52:02,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 02:52:02,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2023-02-14 02:52:02,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=496, Invalid=496, Unknown=0, NotChecked=0, Total=992 [2023-02-14 02:52:02,249 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) [2023-02-14 02:52:02,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 02:52:02,444 INFO L93 Difference]: Finished difference Result 2229 states and 2600 transitions. [2023-02-14 02:52:02,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-02-14 02:52:02,444 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 [2023-02-14 02:52:02,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 02:52:02,450 INFO L225 Difference]: With dead ends: 2229 [2023-02-14 02:52:02,451 INFO L226 Difference]: Without dead ends: 2228 [2023-02-14 02:52:02,452 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 [2023-02-14 02:52:02,452 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, 0.1s IncrementalHoareTripleChecker+Time [2023-02-14 02:52:02,452 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 191 Invalid, 257 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 204 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-14 02:52:02,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2228 states. [2023-02-14 02:52:02,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2228 to 950. [2023-02-14 02:52:02,483 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) [2023-02-14 02:52:02,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 950 states to 950 states and 1104 transitions. [2023-02-14 02:52:02,486 INFO L78 Accepts]: Start accepts. Automaton has 950 states and 1104 transitions. Word has length 90 [2023-02-14 02:52:02,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 02:52:02,486 INFO L495 AbstractCegarLoop]: Abstraction has 950 states and 1104 transitions. [2023-02-14 02:52:02,486 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) [2023-02-14 02:52:02,486 INFO L276 IsEmpty]: Start isEmpty. Operand 950 states and 1104 transitions. [2023-02-14 02:52:02,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-02-14 02:52:02,487 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 02:52:02,488 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 14, 10, 10, 10, 5, 5, 5, 1, 1, 1] [2023-02-14 02:52:02,505 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-02-14 02:52:02,693 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 [2023-02-14 02:52:02,693 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)] === [2023-02-14 02:52:02,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 02:52:02,694 INFO L85 PathProgramCache]: Analyzing trace with hash -804222391, now seen corresponding path program 3 times [2023-02-14 02:52:02,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 02:52:02,694 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099362417] [2023-02-14 02:52:02,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 02:52:02,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 02:52:02,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:52:02,873 INFO L134 CoverageAnalysis]: Checked inductivity of 530 backedges. 188 proven. 290 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2023-02-14 02:52:02,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 02:52:02,874 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1099362417] [2023-02-14 02:52:02,874 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1099362417] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-14 02:52:02,874 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [473600752] [2023-02-14 02:52:02,874 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-02-14 02:52:02,874 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 02:52:02,874 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 02:52:02,901 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) [2023-02-14 02:52:02,917 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-02-14 02:52:02,948 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2023-02-14 02:52:02,948 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-14 02:52:02,948 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 8 conjunts are in the unsatisfiable core [2023-02-14 02:52:02,951 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 02:52:03,072 INFO L134 CoverageAnalysis]: Checked inductivity of 530 backedges. 252 proven. 94 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2023-02-14 02:52:03,072 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-14 02:52:03,228 INFO L134 CoverageAnalysis]: Checked inductivity of 530 backedges. 252 proven. 94 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2023-02-14 02:52:03,229 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [473600752] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-14 02:52:03,229 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-14 02:52:03,229 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 8, 8] total 27 [2023-02-14 02:52:03,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146351680] [2023-02-14 02:52:03,229 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-14 02:52:03,230 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-02-14 02:52:03,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 02:52:03,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-02-14 02:52:03,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=351, Invalid=351, Unknown=0, NotChecked=0, Total=702 [2023-02-14 02:52:03,231 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) [2023-02-14 02:52:03,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 02:52:03,342 INFO L93 Difference]: Finished difference Result 2484 states and 3010 transitions. [2023-02-14 02:52:03,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-02-14 02:52:03,342 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 [2023-02-14 02:52:03,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 02:52:03,347 INFO L225 Difference]: With dead ends: 2484 [2023-02-14 02:52:03,347 INFO L226 Difference]: Without dead ends: 1592 [2023-02-14 02:52:03,348 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 [2023-02-14 02:52:03,349 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 17 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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 [2023-02-14 02:52:03,349 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] [2023-02-14 02:52:03,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1592 states. [2023-02-14 02:52:03,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1592 to 1592. [2023-02-14 02:52:03,387 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) [2023-02-14 02:52:03,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1592 states to 1592 states and 1845 transitions. [2023-02-14 02:52:03,390 INFO L78 Accepts]: Start accepts. Automaton has 1592 states and 1845 transitions. Word has length 92 [2023-02-14 02:52:03,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 02:52:03,391 INFO L495 AbstractCegarLoop]: Abstraction has 1592 states and 1845 transitions. [2023-02-14 02:52:03,391 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) [2023-02-14 02:52:03,391 INFO L276 IsEmpty]: Start isEmpty. Operand 1592 states and 1845 transitions. [2023-02-14 02:52:03,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2023-02-14 02:52:03,393 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 02:52:03,394 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 25, 14, 14, 14, 12, 12, 12, 1, 1, 1] [2023-02-14 02:52:03,399 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-02-14 02:52:03,598 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 [2023-02-14 02:52:03,599 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)] === [2023-02-14 02:52:03,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 02:52:03,599 INFO L85 PathProgramCache]: Analyzing trace with hash 896329356, now seen corresponding path program 4 times [2023-02-14 02:52:03,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 02:52:03,600 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086200877] [2023-02-14 02:52:03,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 02:52:03,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 02:52:03,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:52:03,811 INFO L134 CoverageAnalysis]: Checked inductivity of 1614 backedges. 674 proven. 420 refuted. 0 times theorem prover too weak. 520 trivial. 0 not checked. [2023-02-14 02:52:03,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 02:52:03,812 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086200877] [2023-02-14 02:52:03,812 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2086200877] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-14 02:52:03,812 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [367976158] [2023-02-14 02:52:03,812 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-02-14 02:52:03,812 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 02:52:03,812 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 02:52:03,817 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) [2023-02-14 02:52:03,819 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-02-14 02:52:03,862 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-02-14 02:52:03,863 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-14 02:52:03,864 INFO L263 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 14 conjunts are in the unsatisfiable core [2023-02-14 02:52:03,866 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 02:52:03,974 INFO L134 CoverageAnalysis]: Checked inductivity of 1614 backedges. 674 proven. 420 refuted. 0 times theorem prover too weak. 520 trivial. 0 not checked. [2023-02-14 02:52:03,974 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-14 02:52:04,210 INFO L134 CoverageAnalysis]: Checked inductivity of 1614 backedges. 674 proven. 420 refuted. 0 times theorem prover too weak. 520 trivial. 0 not checked. [2023-02-14 02:52:04,210 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [367976158] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-14 02:52:04,210 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-14 02:52:04,211 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 28 [2023-02-14 02:52:04,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276235050] [2023-02-14 02:52:04,211 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-14 02:52:04,212 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2023-02-14 02:52:04,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 02:52:04,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2023-02-14 02:52:04,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=378, Invalid=378, Unknown=0, NotChecked=0, Total=756 [2023-02-14 02:52:04,213 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) [2023-02-14 02:52:04,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 02:52:04,287 INFO L93 Difference]: Finished difference Result 2480 states and 2880 transitions. [2023-02-14 02:52:04,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-02-14 02:52:04,288 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 [2023-02-14 02:52:04,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 02:52:04,291 INFO L225 Difference]: With dead ends: 2480 [2023-02-14 02:52:04,291 INFO L226 Difference]: Without dead ends: 958 [2023-02-14 02:52:04,292 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 329 GetRequests, 303 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=378, Invalid=378, Unknown=0, NotChecked=0, Total=756 [2023-02-14 02:52:04,293 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 9 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s 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, 0.0s IncrementalHoareTripleChecker+Time [2023-02-14 02:52:04,293 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 101 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-14 02:52:04,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 958 states. [2023-02-14 02:52:04,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 958 to 958. [2023-02-14 02:52:04,314 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) [2023-02-14 02:52:04,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 958 states to 958 states and 1091 transitions. [2023-02-14 02:52:04,316 INFO L78 Accepts]: Start accepts. Automaton has 958 states and 1091 transitions. Word has length 158 [2023-02-14 02:52:04,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 02:52:04,317 INFO L495 AbstractCegarLoop]: Abstraction has 958 states and 1091 transitions. [2023-02-14 02:52:04,317 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) [2023-02-14 02:52:04,317 INFO L276 IsEmpty]: Start isEmpty. Operand 958 states and 1091 transitions. [2023-02-14 02:52:04,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2023-02-14 02:52:04,318 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 02:52:04,318 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 30, 30, 30, 1, 1, 1] [2023-02-14 02:52:04,325 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2023-02-14 02:52:04,523 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 [2023-02-14 02:52:04,523 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)] === [2023-02-14 02:52:04,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 02:52:04,524 INFO L85 PathProgramCache]: Analyzing trace with hash -1138988039, now seen corresponding path program 4 times [2023-02-14 02:52:04,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 02:52:04,524 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370988840] [2023-02-14 02:52:04,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 02:52:04,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 02:52:04,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:52:05,197 INFO L134 CoverageAnalysis]: Checked inductivity of 2730 backedges. 0 proven. 2730 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 02:52:05,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 02:52:05,197 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370988840] [2023-02-14 02:52:05,197 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1370988840] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-14 02:52:05,197 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1479633459] [2023-02-14 02:52:05,197 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-02-14 02:52:05,198 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 02:52:05,198 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 02:52:05,217 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) [2023-02-14 02:52:05,218 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-02-14 02:52:05,272 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-02-14 02:52:05,272 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-14 02:52:05,273 INFO L263 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 32 conjunts are in the unsatisfiable core [2023-02-14 02:52:05,276 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 02:52:05,452 INFO L134 CoverageAnalysis]: Checked inductivity of 2730 backedges. 0 proven. 2730 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 02:52:05,452 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-14 02:52:06,719 INFO L134 CoverageAnalysis]: Checked inductivity of 2730 backedges. 0 proven. 2730 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 02:52:06,719 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1479633459] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-14 02:52:06,719 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-14 02:52:06,719 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 32, 32] total 63 [2023-02-14 02:52:06,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039516310] [2023-02-14 02:52:06,720 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-14 02:52:06,720 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 64 states [2023-02-14 02:52:06,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 02:52:06,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2023-02-14 02:52:06,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2016, Invalid=2016, Unknown=0, NotChecked=0, Total=4032 [2023-02-14 02:52:06,722 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) [2023-02-14 02:52:07,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 02:52:07,386 INFO L93 Difference]: Finished difference Result 16031 states and 18695 transitions. [2023-02-14 02:52:07,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2023-02-14 02:52:07,387 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 [2023-02-14 02:52:07,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 02:52:07,431 INFO L225 Difference]: With dead ends: 16031 [2023-02-14 02:52:07,432 INFO L226 Difference]: Without dead ends: 16030 [2023-02-14 02:52:07,437 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 [2023-02-14 02:52:07,438 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 345 mSDsluCounter, 341 mSDsCounter, 0 mSdLazyCounter, 455 mSolverCounterSat, 134 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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 [2023-02-14 02:52:07,439 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] [2023-02-14 02:52:07,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16030 states. [2023-02-14 02:52:07,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16030 to 4492. [2023-02-14 02:52:07,752 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) [2023-02-14 02:52:07,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4492 states to 4492 states and 5225 transitions. [2023-02-14 02:52:07,761 INFO L78 Accepts]: Start accepts. Automaton has 4492 states and 5225 transitions. Word has length 186 [2023-02-14 02:52:07,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 02:52:07,762 INFO L495 AbstractCegarLoop]: Abstraction has 4492 states and 5225 transitions. [2023-02-14 02:52:07,762 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) [2023-02-14 02:52:07,762 INFO L276 IsEmpty]: Start isEmpty. Operand 4492 states and 5225 transitions. [2023-02-14 02:52:07,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2023-02-14 02:52:07,765 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 02:52:07,765 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 39, 26, 26, 26, 14, 14, 14, 1, 1, 1] [2023-02-14 02:52:07,770 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-02-14 02:52:07,970 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 [2023-02-14 02:52:07,971 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)] === [2023-02-14 02:52:07,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 02:52:07,971 INFO L85 PathProgramCache]: Analyzing trace with hash -696825554, now seen corresponding path program 5 times [2023-02-14 02:52:07,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 02:52:07,971 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047423912] [2023-02-14 02:52:07,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 02:52:07,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 02:52:08,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:52:08,649 INFO L134 CoverageAnalysis]: Checked inductivity of 3952 backedges. 1430 proven. 2002 refuted. 0 times theorem prover too weak. 520 trivial. 0 not checked. [2023-02-14 02:52:08,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 02:52:08,650 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047423912] [2023-02-14 02:52:08,650 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1047423912] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-14 02:52:08,650 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1704513805] [2023-02-14 02:52:08,650 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-02-14 02:52:08,650 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 02:52:08,650 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 02:52:08,651 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) [2023-02-14 02:52:08,681 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-02-14 02:52:08,726 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 28 check-sat command(s) [2023-02-14 02:52:08,726 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-14 02:52:08,728 INFO L263 TraceCheckSpWp]: Trace formula consists of 405 conjuncts, 28 conjunts are in the unsatisfiable core [2023-02-14 02:52:08,730 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 02:52:08,876 INFO L134 CoverageAnalysis]: Checked inductivity of 3952 backedges. 1430 proven. 2002 refuted. 0 times theorem prover too weak. 520 trivial. 0 not checked. [2023-02-14 02:52:08,876 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-14 02:52:09,650 INFO L134 CoverageAnalysis]: Checked inductivity of 3952 backedges. 1430 proven. 2002 refuted. 0 times theorem prover too weak. 520 trivial. 0 not checked. [2023-02-14 02:52:09,650 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1704513805] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-14 02:52:09,650 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-14 02:52:09,650 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29, 29] total 53 [2023-02-14 02:52:09,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139977020] [2023-02-14 02:52:09,650 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-14 02:52:09,651 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2023-02-14 02:52:09,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 02:52:09,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2023-02-14 02:52:09,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1378, Invalid=1378, Unknown=0, NotChecked=0, Total=2756 [2023-02-14 02:52:09,653 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) [2023-02-14 02:52:09,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 02:52:09,831 INFO L93 Difference]: Finished difference Result 6854 states and 7985 transitions. [2023-02-14 02:52:09,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2023-02-14 02:52:09,832 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 [2023-02-14 02:52:09,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 02:52:09,838 INFO L225 Difference]: With dead ends: 6854 [2023-02-14 02:52:09,838 INFO L226 Difference]: Without dead ends: 2516 [2023-02-14 02:52:09,843 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 511 GetRequests, 457 SyntacticMatches, 3 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=1378, Invalid=1378, Unknown=0, NotChecked=0, Total=2756 [2023-02-14 02:52:09,843 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 [2023-02-14 02:52:09,843 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] [2023-02-14 02:52:09,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2516 states. [2023-02-14 02:52:09,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2516 to 2516. [2023-02-14 02:52:09,888 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) [2023-02-14 02:52:09,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2516 states to 2516 states and 2889 transitions. [2023-02-14 02:52:09,893 INFO L78 Accepts]: Start accepts. Automaton has 2516 states and 2889 transitions. Word has length 242 [2023-02-14 02:52:09,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 02:52:09,894 INFO L495 AbstractCegarLoop]: Abstraction has 2516 states and 2889 transitions. [2023-02-14 02:52:09,894 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) [2023-02-14 02:52:09,894 INFO L276 IsEmpty]: Start isEmpty. Operand 2516 states and 2889 transitions. [2023-02-14 02:52:09,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2023-02-14 02:52:09,898 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 02:52:09,898 INFO L195 NwaCegarLoop]: trace histogram [63, 63, 63, 62, 62, 62, 1, 1, 1] [2023-02-14 02:52:09,905 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-02-14 02:52:10,103 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 [2023-02-14 02:52:10,105 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)] === [2023-02-14 02:52:10,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 02:52:10,105 INFO L85 PathProgramCache]: Analyzing trace with hash -675893031, now seen corresponding path program 5 times [2023-02-14 02:52:10,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 02:52:10,106 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778046988] [2023-02-14 02:52:10,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 02:52:10,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 02:52:10,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:52:12,590 INFO L134 CoverageAnalysis]: Checked inductivity of 11594 backedges. 0 proven. 11594 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 02:52:12,591 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 02:52:12,591 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [778046988] [2023-02-14 02:52:12,591 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [778046988] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-14 02:52:12,592 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1516477312] [2023-02-14 02:52:12,592 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-02-14 02:52:12,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 02:52:12,592 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 02:52:12,602 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) [2023-02-14 02:52:12,671 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-02-14 02:52:12,798 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 63 check-sat command(s) [2023-02-14 02:52:12,798 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-14 02:52:12,800 INFO L263 TraceCheckSpWp]: Trace formula consists of 631 conjuncts, 53 conjunts are in the unsatisfiable core [2023-02-14 02:52:12,804 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 02:52:15,102 INFO L134 CoverageAnalysis]: Checked inductivity of 11594 backedges. 11242 proven. 0 refuted. 0 times theorem prover too weak. 352 trivial. 0 not checked. [2023-02-14 02:52:15,102 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-02-14 02:52:15,103 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1516477312] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-14 02:52:15,103 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-02-14 02:52:15,103 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [54] imperfect sequences [64] total 117 [2023-02-14 02:52:15,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536610995] [2023-02-14 02:52:15,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-14 02:52:15,104 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2023-02-14 02:52:15,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 02:52:15,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2023-02-14 02:52:15,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3510, Invalid=10062, Unknown=0, NotChecked=0, Total=13572 [2023-02-14 02:52:15,111 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) [2023-02-14 02:52:15,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 02:52:15,494 INFO L93 Difference]: Finished difference Result 2643 states and 3043 transitions. [2023-02-14 02:52:15,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2023-02-14 02:52:15,495 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 [2023-02-14 02:52:15,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 02:52:15,497 INFO L225 Difference]: With dead ends: 2643 [2023-02-14 02:52:15,497 INFO L226 Difference]: Without dead ends: 431 [2023-02-14 02:52:15,503 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 [2023-02-14 02:52:15,504 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, 0.2s IncrementalHoareTripleChecker+Time [2023-02-14 02:52:15,504 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 603 Invalid, 598 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 598 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-02-14 02:52:15,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2023-02-14 02:52:15,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 393. [2023-02-14 02:52:15,514 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) [2023-02-14 02:52:15,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 393 transitions. [2023-02-14 02:52:15,515 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 393 transitions. Word has length 378 [2023-02-14 02:52:15,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 02:52:15,516 INFO L495 AbstractCegarLoop]: Abstraction has 393 states and 393 transitions. [2023-02-14 02:52:15,516 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) [2023-02-14 02:52:15,517 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 393 transitions. [2023-02-14 02:52:15,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 393 [2023-02-14 02:52:15,521 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 02:52:15,521 INFO L195 NwaCegarLoop]: trace histogram [65, 65, 64, 51, 51, 51, 14, 14, 14, 1, 1, 1] [2023-02-14 02:52:15,541 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-02-14 02:52:15,728 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 [2023-02-14 02:52:15,729 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)] === [2023-02-14 02:52:15,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 02:52:15,730 INFO L85 PathProgramCache]: Analyzing trace with hash -1629285539, now seen corresponding path program 6 times [2023-02-14 02:52:15,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 02:52:15,730 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [495847622] [2023-02-14 02:52:15,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 02:52:15,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 02:52:15,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:52:18,082 INFO L134 CoverageAnalysis]: Checked inductivity of 11052 backedges. 0 proven. 11052 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 02:52:18,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 02:52:18,082 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [495847622] [2023-02-14 02:52:18,083 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [495847622] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-14 02:52:18,083 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [453632678] [2023-02-14 02:52:18,083 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-02-14 02:52:18,083 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 02:52:18,083 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 02:52:18,084 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) [2023-02-14 02:52:18,087 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-02-14 02:52:18,160 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 29 check-sat command(s) [2023-02-14 02:52:18,160 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-14 02:52:18,161 INFO L263 TraceCheckSpWp]: Trace formula consists of 415 conjuncts, 16 conjunts are in the unsatisfiable core [2023-02-14 02:52:18,164 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 02:52:18,255 INFO L134 CoverageAnalysis]: Checked inductivity of 11052 backedges. 3028 proven. 574 refuted. 0 times theorem prover too weak. 7450 trivial. 0 not checked. [2023-02-14 02:52:18,255 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-14 02:52:18,978 INFO L134 CoverageAnalysis]: Checked inductivity of 11052 backedges. 3028 proven. 574 refuted. 0 times theorem prover too weak. 7450 trivial. 0 not checked. [2023-02-14 02:52:18,978 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [453632678] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-14 02:52:18,978 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-14 02:52:18,979 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [66, 16, 16] total 81 [2023-02-14 02:52:18,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600360243] [2023-02-14 02:52:18,979 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-14 02:52:18,980 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 82 states [2023-02-14 02:52:18,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 02:52:18,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 82 interpolants. [2023-02-14 02:52:18,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3321, Invalid=3321, Unknown=0, NotChecked=0, Total=6642 [2023-02-14 02:52:18,985 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) [2023-02-14 02:52:19,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 02:52:19,319 INFO L93 Difference]: Finished difference Result 490 states and 505 transitions. [2023-02-14 02:52:19,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2023-02-14 02:52:19,320 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 [2023-02-14 02:52:19,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 02:52:19,322 INFO L225 Difference]: With dead ends: 490 [2023-02-14 02:52:19,322 INFO L226 Difference]: Without dead ends: 489 [2023-02-14 02:52:19,336 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 848 GetRequests, 768 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=3321, Invalid=3321, Unknown=0, NotChecked=0, Total=6642 [2023-02-14 02:52:19,337 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 [2023-02-14 02:52:19,337 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] [2023-02-14 02:52:19,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 489 states. [2023-02-14 02:52:19,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 489 to 489. [2023-02-14 02:52:19,346 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) [2023-02-14 02:52:19,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 489 states and 489 transitions. [2023-02-14 02:52:19,347 INFO L78 Accepts]: Start accepts. Automaton has 489 states and 489 transitions. Word has length 392 [2023-02-14 02:52:19,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 02:52:19,347 INFO L495 AbstractCegarLoop]: Abstraction has 489 states and 489 transitions. [2023-02-14 02:52:19,347 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) [2023-02-14 02:52:19,348 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 489 transitions. [2023-02-14 02:52:19,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 489 [2023-02-14 02:52:19,368 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 02:52:19,368 INFO L195 NwaCegarLoop]: trace histogram [81, 81, 80, 51, 51, 51, 30, 30, 30, 1, 1, 1] [2023-02-14 02:52:19,374 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-02-14 02:52:19,573 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 [2023-02-14 02:52:19,574 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)] === [2023-02-14 02:52:19,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 02:52:19,574 INFO L85 PathProgramCache]: Analyzing trace with hash 361980461, now seen corresponding path program 7 times [2023-02-14 02:52:19,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 02:52:19,574 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723284017] [2023-02-14 02:52:19,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 02:52:19,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 02:52:19,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:52:22,961 INFO L134 CoverageAnalysis]: Checked inductivity of 16380 backedges. 0 proven. 16380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 02:52:22,962 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 02:52:22,962 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1723284017] [2023-02-14 02:52:22,962 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1723284017] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-14 02:52:22,962 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1400413749] [2023-02-14 02:52:22,962 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-02-14 02:52:22,962 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 02:52:22,962 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 02:52:22,963 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) [2023-02-14 02:52:23,007 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-02-14 02:52:23,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:52:23,090 INFO L263 TraceCheckSpWp]: Trace formula consists of 815 conjuncts, 82 conjunts are in the unsatisfiable core [2023-02-14 02:52:23,094 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 02:52:23,623 INFO L134 CoverageAnalysis]: Checked inductivity of 16380 backedges. 0 proven. 16380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 02:52:23,623 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-14 02:52:29,217 INFO L134 CoverageAnalysis]: Checked inductivity of 16380 backedges. 0 proven. 16380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 02:52:29,217 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1400413749] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-14 02:52:29,217 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-14 02:52:29,217 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [82, 82, 82] total 163 [2023-02-14 02:52:29,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965022058] [2023-02-14 02:52:29,218 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-14 02:52:29,219 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 164 states [2023-02-14 02:52:29,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 02:52:29,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 164 interpolants. [2023-02-14 02:52:29,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13366, Invalid=13366, Unknown=0, NotChecked=0, Total=26732 [2023-02-14 02:52:29,228 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) [2023-02-14 02:52:31,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 02:52:31,069 INFO L93 Difference]: Finished difference Result 982 states and 1063 transitions. [2023-02-14 02:52:31,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 164 states. [2023-02-14 02:52:31,070 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 [2023-02-14 02:52:31,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 02:52:31,072 INFO L225 Difference]: With dead ends: 982 [2023-02-14 02:52:31,072 INFO L226 Difference]: Without dead ends: 981 [2023-02-14 02:52:31,074 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1056 GetRequests, 894 SyntacticMatches, 0 SemanticMatches, 162 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.8s TimeCoverageRelationStatistics Valid=13366, Invalid=13366, Unknown=0, NotChecked=0, Total=26732 [2023-02-14 02:52:31,075 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 633 mSDsluCounter, 507 mSDsCounter, 0 mSdLazyCounter, 504 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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, 0.3s IncrementalHoareTripleChecker+Time [2023-02-14 02:52:31,075 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [633 Valid, 515 Invalid, 505 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 504 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-02-14 02:52:31,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 981 states. [2023-02-14 02:52:31,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 981 to 981. [2023-02-14 02:52:31,093 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) [2023-02-14 02:52:31,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 981 states to 981 states and 981 transitions. [2023-02-14 02:52:31,095 INFO L78 Accepts]: Start accepts. Automaton has 981 states and 981 transitions. Word has length 488 [2023-02-14 02:52:31,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 02:52:31,095 INFO L495 AbstractCegarLoop]: Abstraction has 981 states and 981 transitions. [2023-02-14 02:52:31,096 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) [2023-02-14 02:52:31,096 INFO L276 IsEmpty]: Start isEmpty. Operand 981 states and 981 transitions. [2023-02-14 02:52:31,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 981 [2023-02-14 02:52:31,115 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 02:52:31,116 INFO L195 NwaCegarLoop]: trace histogram [163, 163, 162, 112, 112, 112, 51, 51, 51, 1, 1, 1] [2023-02-14 02:52:31,122 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2023-02-14 02:52:31,321 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 [2023-02-14 02:52:31,322 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)] === [2023-02-14 02:52:31,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 02:52:31,323 INFO L85 PathProgramCache]: Analyzing trace with hash -863476073, now seen corresponding path program 8 times [2023-02-14 02:52:31,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 02:52:31,323 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160301511] [2023-02-14 02:52:31,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 02:52:31,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 02:52:31,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:52:48,073 INFO L134 CoverageAnalysis]: Checked inductivity of 67794 backedges. 0 proven. 67794 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 02:52:48,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 02:52:48,073 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [160301511] [2023-02-14 02:52:48,074 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [160301511] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-14 02:52:48,074 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1491536174] [2023-02-14 02:52:48,074 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-02-14 02:52:48,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 02:52:48,074 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 02:52:48,075 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) [2023-02-14 02:52:48,078 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-02-14 02:52:48,290 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-02-14 02:52:48,290 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-14 02:52:48,297 INFO L263 TraceCheckSpWp]: Trace formula consists of 1635 conjuncts, 105 conjunts are in the unsatisfiable core [2023-02-14 02:52:48,305 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 02:52:51,936 INFO L134 CoverageAnalysis]: Checked inductivity of 67794 backedges. 44279 proven. 12752 refuted. 0 times theorem prover too weak. 10763 trivial. 0 not checked. [2023-02-14 02:52:51,937 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-14 02:52:58,515 INFO L134 CoverageAnalysis]: Checked inductivity of 67794 backedges. 44279 proven. 12752 refuted. 0 times theorem prover too weak. 10763 trivial. 0 not checked. [2023-02-14 02:52:58,515 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1491536174] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-14 02:52:58,515 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-14 02:52:58,515 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [164, 55, 55] total 218 [2023-02-14 02:52:58,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407274745] [2023-02-14 02:52:58,515 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-14 02:52:58,517 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 218 states [2023-02-14 02:52:58,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 02:52:58,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 218 interpolants. [2023-02-14 02:52:58,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15014, Invalid=32292, Unknown=0, NotChecked=0, Total=47306 [2023-02-14 02:52:58,523 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) [2023-02-14 02:53:09,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 02:53:09,552 INFO L93 Difference]: Finished difference Result 981 states and 981 transitions. [2023-02-14 02:53:09,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 209 states. [2023-02-14 02:53:09,553 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 [2023-02-14 02:53:09,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 02:53:09,555 INFO L225 Difference]: With dead ends: 981 [2023-02-14 02:53:09,555 INFO L226 Difference]: Without dead ends: 0 [2023-02-14 02:53:09,575 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2329 GetRequests, 1802 SyntacticMatches, 104 SemanticMatches, 423 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49965 ImplicationChecksByTransitivity, 23.8s TimeCoverageRelationStatistics Valid=54683, Invalid=125517, Unknown=0, NotChecked=0, Total=180200 [2023-02-14 02:53:09,576 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 0 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 3055 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s 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, 1.0s IncrementalHoareTripleChecker+Time [2023-02-14 02:53:09,577 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 13 Invalid, 3055 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3055 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-02-14 02:53:09,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-02-14 02:53:09,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-02-14 02:53:09,577 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) [2023-02-14 02:53:09,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-02-14 02:53:09,578 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 980 [2023-02-14 02:53:09,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 02:53:09,578 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-02-14 02:53:09,579 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) [2023-02-14 02:53:09,579 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-02-14 02:53:09,579 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-02-14 02:53:09,581 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 6 remaining) [2023-02-14 02:53:09,582 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 6 remaining) [2023-02-14 02:53:09,582 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 6 remaining) [2023-02-14 02:53:09,582 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 6 remaining) [2023-02-14 02:53:09,582 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 6 remaining) [2023-02-14 02:53:09,582 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 6 remaining) [2023-02-14 02:53:09,597 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2023-02-14 02:53:09,790 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 [2023-02-14 02:53:09,792 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-02-14 02:53:12,779 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 20) no Hoare annotation was computed. [2023-02-14 02:53:12,779 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-02-14 02:53:12,779 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 22) no Hoare annotation was computed. [2023-02-14 02:53:12,780 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 24) no Hoare annotation was computed. [2023-02-14 02:53:12,780 INFO L899 garLoopResultBuilder]: For program point L19(lines 19 23) no Hoare annotation was computed. [2023-02-14 02:53:12,780 INFO L899 garLoopResultBuilder]: For program point L19-2(lines 19 23) no Hoare annotation was computed. [2023-02-14 02:53:12,780 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-02-14 02:53:12,780 INFO L902 garLoopResultBuilder]: At program point main_returnLabel#1(lines 14 27) the Hoare annotation is: true [2023-02-14 02:53:12,780 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-02-14 02:53:12,780 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 20) no Hoare annotation was computed. [2023-02-14 02:53:12,781 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 22) no Hoare annotation was computed. [2023-02-14 02:53:12,781 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 24) no Hoare annotation was computed. [2023-02-14 02:53:12,781 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-02-14 02:53:12,781 INFO L899 garLoopResultBuilder]: For program point L24(line 24) no Hoare annotation was computed. [2023-02-14 02:53:12,781 INFO L899 garLoopResultBuilder]: For program point L22(line 22) no Hoare annotation was computed. [2023-02-14 02:53:12,781 INFO L899 garLoopResultBuilder]: For program point L22-1(line 22) no Hoare annotation was computed. [2023-02-14 02:53:12,781 INFO L899 garLoopResultBuilder]: For program point L20(line 20) no Hoare annotation was computed. [2023-02-14 02:53:12,781 INFO L899 garLoopResultBuilder]: For program point L20-1(line 20) no Hoare annotation was computed. [2023-02-14 02:53:12,783 INFO L895 garLoopResultBuilder]: At program point L18-2(lines 18 25) the Hoare annotation is: (let ((.cse4 (<= |ULTIMATE.start_main_~y~0#1| 27)) (.cse9 (<= |ULTIMATE.start_main_~y~0#1| 44)) (.cse5 (<= |ULTIMATE.start_main_~y~0#1| 1)) (.cse15 (<= |ULTIMATE.start_main_~y~0#1| 7)) (.cse12 (<= |ULTIMATE.start_main_~y~0#1| 22)) (.cse13 (<= |ULTIMATE.start_main_~y~0#1| 42)) (.cse24 (<= |ULTIMATE.start_main_~y~0#1| 31)) (.cse17 (<= |ULTIMATE.start_main_~y~0#1| 23)) (.cse34 (<= |ULTIMATE.start_main_~y~0#1| 36)) (.cse16 (<= |ULTIMATE.start_main_~y~0#1| 38)) (.cse35 (<= |ULTIMATE.start_main_~y~0#1| 6)) (.cse25 (<= |ULTIMATE.start_main_~y~0#1| 49)) (.cse23 (<= |ULTIMATE.start_main_~y~0#1| 45)) (.cse32 (<= |ULTIMATE.start_main_~y~0#1| 19)) (.cse37 (<= |ULTIMATE.start_main_~y~0#1| 17)) (.cse8 (<= |ULTIMATE.start_main_~y~0#1| 4)) (.cse14 (<= |ULTIMATE.start_main_~y~0#1| 14)) (.cse44 (<= |ULTIMATE.start_main_~y~0#1| 30)) (.cse7 (<= |ULTIMATE.start_main_~y~0#1| 32)) (.cse18 (<= |ULTIMATE.start_main_~y~0#1| 2)) (.cse29 (<= |ULTIMATE.start_main_~y~0#1| 21)) (.cse26 (<= |ULTIMATE.start_main_~y~0#1| 20)) (.cse45 (<= |ULTIMATE.start_main_~y~0#1| 40)) (.cse48 (<= |ULTIMATE.start_main_~y~0#1| 10)) (.cse46 (<= |ULTIMATE.start_main_~y~0#1| 47)) (.cse42 (<= |ULTIMATE.start_main_~y~0#1| 46)) (.cse31 (<= |ULTIMATE.start_main_~y~0#1| 3)) (.cse11 (<= |ULTIMATE.start_main_~y~0#1| 24)) (.cse47 (<= |ULTIMATE.start_main_~y~0#1| 16)) (.cse21 (<= |ULTIMATE.start_main_~y~0#1| 25)) (.cse22 (<= |ULTIMATE.start_main_~y~0#1| 28)) (.cse10 (<= |ULTIMATE.start_main_~y~0#1| 43)) (.cse43 (<= |ULTIMATE.start_main_~y~0#1| 26)) (.cse40 (<= |ULTIMATE.start_main_~y~0#1| 13)) (.cse36 (<= |ULTIMATE.start_main_~y~0#1| 0)) (.cse51 (<= |ULTIMATE.start_main_~y~0#1| 18)) (.cse39 (<= |ULTIMATE.start_main_~y~0#1| 12)) (.cse30 (<= |ULTIMATE.start_main_~y~0#1| 48)) (.cse1 (<= |ULTIMATE.start_main_~y~0#1| 50)) (.cse52 (<= |ULTIMATE.start_main_~y~0#1| 5)) (.cse49 (<= |ULTIMATE.start_main_~y~0#1| 35)) (.cse3 (<= |ULTIMATE.start_main_~y~0#1| 8)) (.cse38 (<= |ULTIMATE.start_main_~y~0#1| 34)) (.cse28 (<= |ULTIMATE.start_main_~y~0#1| 11)) (.cse19 (<= |ULTIMATE.start_main_~y~0#1| 29)) (.cse33 (<= |ULTIMATE.start_main_~y~0#1| 15)) (.cse2 (< |ULTIMATE.start_main_~y~0#1| 2147483624)) (.cse6 (<= |ULTIMATE.start_main_~y~0#1| 9)) (.cse41 (<= |ULTIMATE.start_main_~y~0#1| 39)) (.cse50 (<= |ULTIMATE.start_main_~y~0#1| 33)) (.cse0 (<= 51 |ULTIMATE.start_main_~x~0#1|)) (.cse20 (<= |ULTIMATE.start_main_~y~0#1| 41)) (.cse27 (<= |ULTIMATE.start_main_~y~0#1| 37))) (or (and .cse0 (<= |ULTIMATE.start_main_~x~0#1| 52) .cse1) (and .cse2 .cse0 (<= |ULTIMATE.start_main_~x~0#1| 94) .cse3) (and .cse2 (<= |ULTIMATE.start_main_~x~0#1| 75) .cse4 .cse0) (and (<= |ULTIMATE.start_main_~x~0#1| 1) (<= 1 |ULTIMATE.start_main_~x~0#1|) .cse5) (and .cse6 (<= 9 |ULTIMATE.start_main_~x~0#1|) (<= |ULTIMATE.start_main_~x~0#1| 9)) (and .cse7 (<= 32 |ULTIMATE.start_main_~x~0#1|) (<= |ULTIMATE.start_main_~x~0#1| 32)) (and .cse0 (<= |ULTIMATE.start_main_~x~0#1| 51) (<= |ULTIMATE.start_main_~y~0#1| 51)) (and .cse8 (<= |ULTIMATE.start_main_~x~0#1| 4) (<= 4 |ULTIMATE.start_main_~x~0#1|)) (and .cse9 .cse0 (<= |ULTIMATE.start_main_~x~0#1| 58)) (and .cse4 (<= 27 |ULTIMATE.start_main_~x~0#1|) (<= |ULTIMATE.start_main_~x~0#1| 27)) (and .cse10 (<= 43 |ULTIMATE.start_main_~x~0#1|) (<= |ULTIMATE.start_main_~x~0#1| 43)) (and .cse11 .cse2 (<= |ULTIMATE.start_main_~x~0#1| 78) .cse0) (and (<= |ULTIMATE.start_main_~x~0#1| 22) (<= 22 |ULTIMATE.start_main_~x~0#1|) .cse12) (and (<= |ULTIMATE.start_main_~x~0#1| 60) .cse13 .cse0) (and .cse9 (<= |ULTIMATE.start_main_~x~0#1| 44) (<= 44 |ULTIMATE.start_main_~x~0#1|)) (and .cse2 .cse14 .cse0 (<= |ULTIMATE.start_main_~x~0#1| 88)) (and .cse2 .cse15 (<= |ULTIMATE.start_main_~x~0#1| 95) .cse0) (and .cse2 .cse5 .cse0 (<= |ULTIMATE.start_main_~x~0#1| 101)) (and .cse2 (<= |ULTIMATE.start_main_~x~0#1| 64) .cse16 .cse0) (and .cse2 .cse0 (<= |ULTIMATE.start_main_~x~0#1| 79) .cse17) (and .cse2 .cse18 (<= |ULTIMATE.start_main_~x~0#1| 100) .cse0) (and (<= |ULTIMATE.start_main_~x~0#1| 29) (<= 29 |ULTIMATE.start_main_~x~0#1|) .cse19) (and (<= |ULTIMATE.start_main_~x~0#1| 41) .cse20 (<= 41 |ULTIMATE.start_main_~x~0#1|)) (and (<= |ULTIMATE.start_main_~x~0#1| 25) .cse21 (<= 25 |ULTIMATE.start_main_~x~0#1|)) (and .cse22 (<= |ULTIMATE.start_main_~x~0#1| 28) (<= 28 |ULTIMATE.start_main_~x~0#1|)) (and .cse23 .cse0 (<= |ULTIMATE.start_main_~x~0#1| 57)) (and .cse2 (<= |ULTIMATE.start_main_~x~0#1| 71) .cse0 .cse24) (and (<= |ULTIMATE.start_main_~x~0#1| 49) (<= 49 |ULTIMATE.start_main_~x~0#1|) .cse25) (and (<= 20 |ULTIMATE.start_main_~x~0#1|) .cse26 (<= |ULTIMATE.start_main_~x~0#1| 20)) (and .cse2 .cse27 .cse0 (<= |ULTIMATE.start_main_~x~0#1| 65)) (and .cse2 (<= (+ |ULTIMATE.start_main_~y~0#1| 1) 0) (<= |ULTIMATE.start_main_~x~0#1| 103) .cse0) (and (<= |ULTIMATE.start_main_~x~0#1| 11) (<= 11 |ULTIMATE.start_main_~x~0#1|) .cse28) (and (<= 7 |ULTIMATE.start_main_~x~0#1|) .cse15 (<= |ULTIMATE.start_main_~x~0#1| 7)) (and .cse2 .cse29 (<= |ULTIMATE.start_main_~x~0#1| 81) .cse0) (and .cse2 .cse0 .cse12 (<= |ULTIMATE.start_main_~x~0#1| 80)) (and (<= 42 |ULTIMATE.start_main_~x~0#1|) .cse13 (<= |ULTIMATE.start_main_~x~0#1| 42)) (and (<= |ULTIMATE.start_main_~x~0#1| 48) .cse30 (<= 48 |ULTIMATE.start_main_~x~0#1|)) (and .cse2 .cse0 .cse31 (<= |ULTIMATE.start_main_~x~0#1| 99)) (and (<= |ULTIMATE.start_main_~x~0#1| 31) (<= 31 |ULTIMATE.start_main_~x~0#1|) .cse24) (and .cse2 .cse0 (<= |ULTIMATE.start_main_~x~0#1| 83) .cse32) (and .cse2 .cse33 (<= |ULTIMATE.start_main_~x~0#1| 87) .cse0) (and (<= 23 |ULTIMATE.start_main_~x~0#1|) (<= |ULTIMATE.start_main_~x~0#1| 23) .cse17) (and .cse2 (<= |ULTIMATE.start_main_~x~0#1| 66) .cse0 .cse34) (and .cse2 .cse35 (<= |ULTIMATE.start_main_~x~0#1| 96) .cse0) (and .cse2 .cse36 .cse0 (<= |ULTIMATE.start_main_~x~0#1| 102)) (and .cse2 (<= |ULTIMATE.start_main_~x~0#1| 85) .cse37 .cse0) (and .cse2 (<= |ULTIMATE.start_main_~x~0#1| 68) .cse0 .cse38) (and (<= |ULTIMATE.start_main_~x~0#1| 36) (<= 36 |ULTIMATE.start_main_~x~0#1|) .cse34) (and .cse16 (<= |ULTIMATE.start_main_~x~0#1| 38) (<= 38 |ULTIMATE.start_main_~x~0#1|)) (and .cse39 (<= |ULTIMATE.start_main_~x~0#1| 12) (<= 12 |ULTIMATE.start_main_~x~0#1|)) (and (<= 6 |ULTIMATE.start_main_~x~0#1|) .cse35 (<= |ULTIMATE.start_main_~x~0#1| 6)) (and (<= |ULTIMATE.start_main_~x~0#1| 53) .cse25 .cse0) (and (<= |ULTIMATE.start_main_~x~0#1| 13) .cse40 (<= 13 |ULTIMATE.start_main_~x~0#1|)) (and (<= 39 |ULTIMATE.start_main_~x~0#1|) .cse41 (<= |ULTIMATE.start_main_~x~0#1| 39)) (and .cse23 (<= |ULTIMATE.start_main_~x~0#1| 45) (<= 45 |ULTIMATE.start_main_~x~0#1|)) (and (<= 19 |ULTIMATE.start_main_~x~0#1|) (<= |ULTIMATE.start_main_~x~0#1| 19) .cse32) (and (<= 46 |ULTIMATE.start_main_~x~0#1|) .cse42 (<= |ULTIMATE.start_main_~x~0#1| 46)) (and .cse2 .cse43 (<= |ULTIMATE.start_main_~x~0#1| 76) .cse0) (and (<= 17 |ULTIMATE.start_main_~x~0#1|) .cse37 (<= |ULTIMATE.start_main_~x~0#1| 17)) (and (<= |ULTIMATE.start_main_~x~0#1| 30) .cse44 (<= 30 |ULTIMATE.start_main_~x~0#1|)) (and .cse2 .cse8 .cse0 (<= |ULTIMATE.start_main_~x~0#1| 98)) (and (<= |ULTIMATE.start_main_~x~0#1| 14) .cse14 (<= 14 |ULTIMATE.start_main_~x~0#1|)) (and .cse2 (<= |ULTIMATE.start_main_~x~0#1| 72) .cse44 .cse0) (and .cse2 (<= |ULTIMATE.start_main_~x~0#1| 70) .cse7 .cse0) (and (<= 2 |ULTIMATE.start_main_~x~0#1|) .cse18 (<= |ULTIMATE.start_main_~x~0#1| 2)) (and .cse45 (<= 40 |ULTIMATE.start_main_~x~0#1|) (<= |ULTIMATE.start_main_~x~0#1| 40)) (and (<= 21 |ULTIMATE.start_main_~x~0#1|) (<= |ULTIMATE.start_main_~x~0#1| 21) .cse29) (and .cse2 (<= |ULTIMATE.start_main_~x~0#1| 82) .cse26 .cse0) (and .cse46 (<= |ULTIMATE.start_main_~x~0#1| 55) .cse0) (and (<= |ULTIMATE.start_main_~x~0#1| 16) .cse47 (<= 16 |ULTIMATE.start_main_~x~0#1|)) (and .cse2 (<= |ULTIMATE.start_main_~x~0#1| 92) .cse48 .cse0) (and .cse45 (<= |ULTIMATE.start_main_~x~0#1| 62) .cse0) (and .cse48 (<= |ULTIMATE.start_main_~x~0#1| 10) (<= 10 |ULTIMATE.start_main_~x~0#1|)) (and (<= |ULTIMATE.start_main_~x~0#1| 47) .cse46 (<= 47 |ULTIMATE.start_main_~x~0#1|)) (and (<= |ULTIMATE.start_main_~x~0#1| 56) .cse42 .cse0) (and .cse2 (<= |ULTIMATE.start_main_~x~0#1| 67) .cse49 .cse0) (and (<= |ULTIMATE.start_main_~x~0#1| 3) .cse31 (<= 3 |ULTIMATE.start_main_~x~0#1|)) (and .cse11 (<= 24 |ULTIMATE.start_main_~x~0#1|) (<= |ULTIMATE.start_main_~x~0#1| 24)) (and .cse2 (<= |ULTIMATE.start_main_~x~0#1| 86) .cse0 .cse47) (and .cse2 (<= |ULTIMATE.start_main_~x~0#1| 77) .cse21 .cse0) (and .cse2 .cse22 (<= |ULTIMATE.start_main_~x~0#1| 74) .cse0) (and .cse10 .cse0 (<= |ULTIMATE.start_main_~x~0#1| 59)) (and .cse43 (<= |ULTIMATE.start_main_~x~0#1| 26) (<= 26 |ULTIMATE.start_main_~x~0#1|)) (and (<= |ULTIMATE.start_main_~x~0#1| 89) .cse2 .cse0 .cse40) (and .cse2 .cse50 .cse0 (<= |ULTIMATE.start_main_~x~0#1| 69)) (and (<= |ULTIMATE.start_main_~x~0#1| 84) .cse2 .cse51 .cse0) (and (<= 0 |ULTIMATE.start_main_~x~0#1|) (<= 0 |ULTIMATE.start_main_~y~0#1|) .cse36 (<= |ULTIMATE.start_main_~x~0#1| 0)) (and .cse51 (<= |ULTIMATE.start_main_~x~0#1| 18) (<= 18 |ULTIMATE.start_main_~x~0#1|)) (and .cse2 (<= |ULTIMATE.start_main_~x~0#1| 90) .cse39 .cse0) (and .cse30 (<= |ULTIMATE.start_main_~x~0#1| 54) .cse0) (and .cse2 .cse52 .cse0 (<= |ULTIMATE.start_main_~x~0#1| 97)) (and (<= 50 |ULTIMATE.start_main_~x~0#1|) (<= |ULTIMATE.start_main_~x~0#1| 50) .cse1) (and (<= 5 |ULTIMATE.start_main_~x~0#1|) (<= |ULTIMATE.start_main_~x~0#1| 5) .cse52) (and (<= |ULTIMATE.start_main_~x~0#1| 35) .cse49 (<= 35 |ULTIMATE.start_main_~x~0#1|)) (and (<= 8 |ULTIMATE.start_main_~x~0#1|) (<= |ULTIMATE.start_main_~x~0#1| 8) .cse3) (and (<= 34 |ULTIMATE.start_main_~x~0#1|) (<= |ULTIMATE.start_main_~x~0#1| 34) .cse38) (and (<= |ULTIMATE.start_main_~x~0#1| 91) .cse2 .cse28 .cse0) (and .cse2 (<= |ULTIMATE.start_main_~x~0#1| 73) .cse19 .cse0) (and .cse33 (<= |ULTIMATE.start_main_~x~0#1| 15) (<= 15 |ULTIMATE.start_main_~x~0#1|)) (and .cse2 .cse6 .cse0 (<= |ULTIMATE.start_main_~x~0#1| 93)) (and (<= |ULTIMATE.start_main_~x~0#1| 63) .cse41 .cse0) (and (<= |ULTIMATE.start_main_~x~0#1| 33) .cse50 (<= 33 |ULTIMATE.start_main_~x~0#1|)) (and (<= |ULTIMATE.start_main_~x~0#1| 61) .cse0 .cse20) (and .cse27 (<= |ULTIMATE.start_main_~x~0#1| 37) (<= 37 |ULTIMATE.start_main_~x~0#1|)))) [2023-02-14 02:53:12,783 INFO L899 garLoopResultBuilder]: For program point L18-3(lines 18 25) no Hoare annotation was computed. [2023-02-14 02:53:12,786 INFO L445 BasicCegarLoop]: Path program histogram: [8, 5, 1, 1, 1, 1, 1] [2023-02-14 02:53:12,788 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-02-14 02:53:12,817 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.02 02:53:12 BoogieIcfgContainer [2023-02-14 02:53:12,817 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-02-14 02:53:12,818 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-02-14 02:53:12,818 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-02-14 02:53:12,818 INFO L275 PluginConnector]: Witness Printer initialized [2023-02-14 02:53:12,818 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.02 02:51:58" (3/4) ... [2023-02-14 02:53:12,821 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-02-14 02:53:12,829 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-02-14 02:53:12,830 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-02-14 02:53:12,830 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-02-14 02:53:12,855 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-02-14 02:53:12,855 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-02-14 02:53:12,856 INFO L158 Benchmark]: Toolchain (without parser) took 75052.05ms. Allocated memory was 184.5MB in the beginning and 1.6GB in the end (delta: 1.4GB). Free memory was 136.9MB in the beginning and 735.0MB in the end (delta: -598.0MB). Peak memory consumption was 843.3MB. Max. memory is 16.1GB. [2023-02-14 02:53:12,856 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 184.5MB. Free memory is still 127.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-02-14 02:53:12,856 INFO L158 Benchmark]: CACSL2BoogieTranslator took 168.06ms. Allocated memory is still 184.5MB. Free memory was 136.5MB in the beginning and 127.6MB in the end (delta: 8.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-02-14 02:53:12,856 INFO L158 Benchmark]: Boogie Procedure Inliner took 18.46ms. Allocated memory is still 184.5MB. Free memory was 127.6MB in the beginning and 126.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-14 02:53:12,857 INFO L158 Benchmark]: Boogie Preprocessor took 19.54ms. Allocated memory is still 184.5MB. Free memory was 126.1MB in the beginning and 125.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-14 02:53:12,857 INFO L158 Benchmark]: RCFGBuilder took 230.17ms. Allocated memory is still 184.5MB. Free memory was 125.0MB in the beginning and 116.1MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-02-14 02:53:12,857 INFO L158 Benchmark]: TraceAbstraction took 74568.50ms. Allocated memory was 184.5MB in the beginning and 1.6GB in the end (delta: 1.4GB). Free memory was 115.6MB in the beginning and 737.0MB in the end (delta: -621.4MB). Peak memory consumption was 959.6MB. Max. memory is 16.1GB. [2023-02-14 02:53:12,857 INFO L158 Benchmark]: Witness Printer took 37.78ms. Allocated memory is still 1.6GB. Free memory was 737.0MB in the beginning and 735.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-14 02:53:12,858 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 184.5MB. Free memory is still 127.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 168.06ms. Allocated memory is still 184.5MB. Free memory was 136.5MB in the beginning and 127.6MB in the end (delta: 8.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 18.46ms. Allocated memory is still 184.5MB. Free memory was 127.6MB in the beginning and 126.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 19.54ms. Allocated memory is still 184.5MB. Free memory was 126.1MB in the beginning and 125.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 230.17ms. Allocated memory is still 184.5MB. Free memory was 125.0MB in the beginning and 116.1MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 74568.50ms. Allocated memory was 184.5MB in the beginning and 1.6GB in the end (delta: 1.4GB). Free memory was 115.6MB in the beginning and 737.0MB in the end (delta: -621.4MB). Peak memory consumption was 959.6MB. Max. memory is 16.1GB. * Witness Printer took 37.78ms. Allocated memory is still 1.6GB. Free memory was 737.0MB in the beginning and 735.0MB 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: 74.5s, OverallIterations: 18, TraceHistogramMax: 163, PathProgramHistogramMax: 8, EmptinessCheckTime: 0.1s, AutomataDifference: 15.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1342 SdHoareTripleChecker+Valid, 2.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1342 mSDsluCounter, 2651 SdHoareTripleChecker+Invalid, 2.1s 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, 39.0s 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: 0.6s AutomataMinimizationTime, 18 MinimizatonAttempts, 13063 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 108 NumberOfFragments, 1167 HoareAnnotationTreeSize, 2 FomulaSimplifications, 3277 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 2 FomulaSimplificationsInter, 2040 FormulaSimplificationTreeSizeReductionInter, 2.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 50.5s 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: ((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((51 <= x && x <= 52) && y <= 50) || (((y < 2147483624 && 51 <= x) && x <= 94) && y <= 8)) || (((y < 2147483624 && x <= 75) && y <= 27) && 51 <= x)) || ((x <= 1 && 1 <= x) && y <= 1)) || ((y <= 9 && 9 <= x) && x <= 9)) || ((y <= 32 && 32 <= x) && x <= 32)) || ((51 <= x && x <= 51) && y <= 51)) || ((y <= 4 && x <= 4) && 4 <= x)) || ((y <= 44 && 51 <= x) && x <= 58)) || ((y <= 27 && 27 <= x) && x <= 27)) || ((y <= 43 && 43 <= x) && x <= 43)) || (((y <= 24 && y < 2147483624) && x <= 78) && 51 <= x)) || ((x <= 22 && 22 <= x) && y <= 22)) || ((x <= 60 && y <= 42) && 51 <= x)) || ((y <= 44 && x <= 44) && 44 <= x)) || (((y < 2147483624 && y <= 14) && 51 <= x) && x <= 88)) || (((y < 2147483624 && y <= 7) && x <= 95) && 51 <= x)) || (((y < 2147483624 && y <= 1) && 51 <= x) && x <= 101)) || (((y < 2147483624 && x <= 64) && y <= 38) && 51 <= x)) || (((y < 2147483624 && 51 <= x) && x <= 79) && y <= 23)) || (((y < 2147483624 && y <= 2) && x <= 100) && 51 <= x)) || ((x <= 29 && 29 <= x) && y <= 29)) || ((x <= 41 && y <= 41) && 41 <= x)) || ((x <= 25 && y <= 25) && 25 <= x)) || ((y <= 28 && x <= 28) && 28 <= x)) || ((y <= 45 && 51 <= x) && x <= 57)) || (((y < 2147483624 && x <= 71) && 51 <= x) && y <= 31)) || ((x <= 49 && 49 <= x) && y <= 49)) || ((20 <= x && y <= 20) && x <= 20)) || (((y < 2147483624 && y <= 37) && 51 <= x) && x <= 65)) || (((y < 2147483624 && y + 1 <= 0) && x <= 103) && 51 <= x)) || ((x <= 11 && 11 <= x) && y <= 11)) || ((7 <= x && y <= 7) && x <= 7)) || (((y < 2147483624 && y <= 21) && x <= 81) && 51 <= x)) || (((y < 2147483624 && 51 <= x) && y <= 22) && x <= 80)) || ((42 <= x && y <= 42) && x <= 42)) || ((x <= 48 && y <= 48) && 48 <= x)) || (((y < 2147483624 && 51 <= x) && y <= 3) && x <= 99)) || ((x <= 31 && 31 <= x) && y <= 31)) || (((y < 2147483624 && 51 <= x) && x <= 83) && y <= 19)) || (((y < 2147483624 && y <= 15) && x <= 87) && 51 <= x)) || ((23 <= x && x <= 23) && y <= 23)) || (((y < 2147483624 && x <= 66) && 51 <= x) && y <= 36)) || (((y < 2147483624 && y <= 6) && x <= 96) && 51 <= x)) || (((y < 2147483624 && y <= 0) && 51 <= x) && x <= 102)) || (((y < 2147483624 && x <= 85) && y <= 17) && 51 <= x)) || (((y < 2147483624 && x <= 68) && 51 <= x) && y <= 34)) || ((x <= 36 && 36 <= x) && y <= 36)) || ((y <= 38 && x <= 38) && 38 <= x)) || ((y <= 12 && x <= 12) && 12 <= x)) || ((6 <= x && y <= 6) && x <= 6)) || ((x <= 53 && y <= 49) && 51 <= x)) || ((x <= 13 && y <= 13) && 13 <= x)) || ((39 <= x && y <= 39) && x <= 39)) || ((y <= 45 && x <= 45) && 45 <= x)) || ((19 <= x && x <= 19) && y <= 19)) || ((46 <= x && y <= 46) && x <= 46)) || (((y < 2147483624 && y <= 26) && x <= 76) && 51 <= x)) || ((17 <= x && y <= 17) && x <= 17)) || ((x <= 30 && y <= 30) && 30 <= x)) || (((y < 2147483624 && y <= 4) && 51 <= x) && x <= 98)) || ((x <= 14 && y <= 14) && 14 <= x)) || (((y < 2147483624 && x <= 72) && y <= 30) && 51 <= x)) || (((y < 2147483624 && x <= 70) && y <= 32) && 51 <= x)) || ((2 <= x && y <= 2) && x <= 2)) || ((y <= 40 && 40 <= x) && x <= 40)) || ((21 <= x && x <= 21) && y <= 21)) || (((y < 2147483624 && x <= 82) && y <= 20) && 51 <= x)) || ((y <= 47 && x <= 55) && 51 <= x)) || ((x <= 16 && y <= 16) && 16 <= x)) || (((y < 2147483624 && x <= 92) && y <= 10) && 51 <= x)) || ((y <= 40 && x <= 62) && 51 <= x)) || ((y <= 10 && x <= 10) && 10 <= x)) || ((x <= 47 && y <= 47) && 47 <= x)) || ((x <= 56 && y <= 46) && 51 <= x)) || (((y < 2147483624 && x <= 67) && y <= 35) && 51 <= x)) || ((x <= 3 && y <= 3) && 3 <= x)) || ((y <= 24 && 24 <= x) && x <= 24)) || (((y < 2147483624 && x <= 86) && 51 <= x) && y <= 16)) || (((y < 2147483624 && x <= 77) && y <= 25) && 51 <= x)) || (((y < 2147483624 && y <= 28) && x <= 74) && 51 <= x)) || ((y <= 43 && 51 <= x) && x <= 59)) || ((y <= 26 && x <= 26) && 26 <= x)) || (((x <= 89 && y < 2147483624) && 51 <= x) && y <= 13)) || (((y < 2147483624 && y <= 33) && 51 <= x) && x <= 69)) || (((x <= 84 && y < 2147483624) && y <= 18) && 51 <= x)) || (((0 <= x && 0 <= y) && y <= 0) && x <= 0)) || ((y <= 18 && x <= 18) && 18 <= x)) || (((y < 2147483624 && x <= 90) && y <= 12) && 51 <= x)) || ((y <= 48 && x <= 54) && 51 <= x)) || (((y < 2147483624 && y <= 5) && 51 <= x) && x <= 97)) || ((50 <= x && x <= 50) && y <= 50)) || ((5 <= x && x <= 5) && y <= 5)) || ((x <= 35 && y <= 35) && 35 <= x)) || ((8 <= x && x <= 8) && y <= 8)) || ((34 <= x && x <= 34) && y <= 34)) || (((x <= 91 && y < 2147483624) && y <= 11) && 51 <= x)) || (((y < 2147483624 && x <= 73) && y <= 29) && 51 <= x)) || ((y <= 15 && x <= 15) && 15 <= x)) || (((y < 2147483624 && y <= 9) && 51 <= x) && x <= 93)) || ((x <= 63 && y <= 39) && 51 <= x)) || ((x <= 33 && y <= 33) && 33 <= x)) || ((x <= 61 && 51 <= x) && y <= 41)) || ((y <= 37 && x <= 37) && 37 <= x) RESULT: Ultimate proved your program to be correct! [2023-02-14 02:53:12,887 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