./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/loop-zilu/benchmark23_conjunctive.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 26d01a9c 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/loop-zilu/benchmark23_conjunctive.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c8661b1e533413e4de6576c4feab251d05a672526bd5f59b260c6cb9f9c05939 --- Real Ultimate output --- This is Ultimate 0.2.2-?-26d01a9 [2023-02-18 07:44:38,197 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-18 07:44:38,198 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-18 07:44:38,228 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-18 07:44:38,228 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-18 07:44:38,231 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-18 07:44:38,232 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-18 07:44:38,233 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-18 07:44:38,235 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-18 07:44:38,238 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-18 07:44:38,239 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-18 07:44:38,240 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-18 07:44:38,241 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-18 07:44:38,242 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-18 07:44:38,243 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-18 07:44:38,244 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-18 07:44:38,245 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-18 07:44:38,246 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-18 07:44:38,247 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-18 07:44:38,250 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-18 07:44:38,251 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-18 07:44:38,251 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-18 07:44:38,252 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-18 07:44:38,253 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-18 07:44:38,258 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-18 07:44:38,258 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-18 07:44:38,258 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-18 07:44:38,260 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-18 07:44:38,260 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-18 07:44:38,261 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-18 07:44:38,261 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-18 07:44:38,261 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-18 07:44:38,262 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-18 07:44:38,263 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-18 07:44:38,263 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-18 07:44:38,263 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-18 07:44:38,264 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-18 07:44:38,264 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-18 07:44:38,264 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-18 07:44:38,265 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-18 07:44:38,266 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-18 07:44:38,266 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-02-18 07:44:38,288 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-18 07:44:38,288 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-18 07:44:38,288 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-18 07:44:38,288 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-18 07:44:38,289 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-18 07:44:38,289 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-18 07:44:38,290 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-18 07:44:38,290 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-18 07:44:38,290 INFO L138 SettingsManager]: * Use SBE=true [2023-02-18 07:44:38,290 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-18 07:44:38,291 INFO L138 SettingsManager]: * sizeof long=4 [2023-02-18 07:44:38,291 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-02-18 07:44:38,291 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-18 07:44:38,291 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-02-18 07:44:38,291 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-18 07:44:38,291 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-02-18 07:44:38,291 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-18 07:44:38,292 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-02-18 07:44:38,292 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-02-18 07:44:38,292 INFO L138 SettingsManager]: * sizeof long double=12 [2023-02-18 07:44:38,292 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-18 07:44:38,292 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-18 07:44:38,292 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-02-18 07:44:38,292 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-18 07:44:38,292 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-18 07:44:38,293 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-18 07:44:38,293 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-18 07:44:38,293 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-18 07:44:38,293 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-18 07:44:38,293 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-02-18 07:44:38,294 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-18 07:44:38,294 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-02-18 07:44:38,294 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-18 07:44:38,294 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-02-18 07:44:38,294 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-18 07:44:38,294 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-18 07:44:38,294 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-18 07:44:38,295 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c8661b1e533413e4de6576c4feab251d05a672526bd5f59b260c6cb9f9c05939 [2023-02-18 07:44:38,473 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-18 07:44:38,492 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-18 07:44:38,494 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-18 07:44:38,495 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-18 07:44:38,495 INFO L275 PluginConnector]: CDTParser initialized [2023-02-18 07:44:38,496 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-zilu/benchmark23_conjunctive.i [2023-02-18 07:44:39,390 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-18 07:44:39,580 INFO L351 CDTParser]: Found 1 translation units. [2023-02-18 07:44:39,580 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-zilu/benchmark23_conjunctive.i [2023-02-18 07:44:39,584 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/472b49d26/721aede424914bf48ceb1a4d06a2b43c/FLAG4626ef62c [2023-02-18 07:44:39,593 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/472b49d26/721aede424914bf48ceb1a4d06a2b43c [2023-02-18 07:44:39,594 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-18 07:44:39,595 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-18 07:44:39,597 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-18 07:44:39,597 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-18 07:44:39,599 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-18 07:44:39,600 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.02 07:44:39" (1/1) ... [2023-02-18 07:44:39,601 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fb62d16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 07:44:39, skipping insertion in model container [2023-02-18 07:44:39,601 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.02 07:44:39" (1/1) ... [2023-02-18 07:44:39,605 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-18 07:44:39,615 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-18 07:44:39,699 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-zilu/benchmark23_conjunctive.i[873,886] [2023-02-18 07:44:39,704 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-18 07:44:39,709 INFO L203 MainTranslator]: Completed pre-run [2023-02-18 07:44:39,716 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-zilu/benchmark23_conjunctive.i[873,886] [2023-02-18 07:44:39,718 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-18 07:44:39,726 INFO L208 MainTranslator]: Completed translation [2023-02-18 07:44:39,726 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 07:44:39 WrapperNode [2023-02-18 07:44:39,726 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-18 07:44:39,727 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-18 07:44:39,727 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-18 07:44:39,727 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-18 07:44:39,731 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 07:44:39" (1/1) ... [2023-02-18 07:44:39,734 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 07:44:39" (1/1) ... [2023-02-18 07:44:39,746 INFO L138 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 36 [2023-02-18 07:44:39,746 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-18 07:44:39,747 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-18 07:44:39,747 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-18 07:44:39,747 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-18 07:44:39,752 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 07:44:39" (1/1) ... [2023-02-18 07:44:39,752 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 07:44:39" (1/1) ... [2023-02-18 07:44:39,754 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 07:44:39" (1/1) ... [2023-02-18 07:44:39,754 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 07:44:39" (1/1) ... [2023-02-18 07:44:39,760 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 07:44:39" (1/1) ... [2023-02-18 07:44:39,763 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 07:44:39" (1/1) ... [2023-02-18 07:44:39,764 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 07:44:39" (1/1) ... [2023-02-18 07:44:39,765 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 07:44:39" (1/1) ... [2023-02-18 07:44:39,770 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-18 07:44:39,771 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-18 07:44:39,772 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-18 07:44:39,772 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-18 07:44:39,772 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 07:44:39" (1/1) ... [2023-02-18 07:44:39,776 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-18 07:44:39,783 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 07:44:39,798 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) [2023-02-18 07:44:39,803 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 [2023-02-18 07:44:39,824 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-02-18 07:44:39,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-02-18 07:44:39,825 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-18 07:44:39,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-18 07:44:39,867 INFO L235 CfgBuilder]: Building ICFG [2023-02-18 07:44:39,868 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-18 07:44:39,990 INFO L276 CfgBuilder]: Performing block encoding [2023-02-18 07:44:39,995 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-18 07:44:40,000 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2023-02-18 07:44:40,001 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 07:44:40 BoogieIcfgContainer [2023-02-18 07:44:40,001 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-18 07:44:40,003 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-02-18 07:44:40,003 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-02-18 07:44:40,005 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-02-18 07:44:40,005 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.02 07:44:39" (1/3) ... [2023-02-18 07:44:40,006 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ff3037b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.02 07:44:40, skipping insertion in model container [2023-02-18 07:44:40,006 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 07:44:39" (2/3) ... [2023-02-18 07:44:40,006 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ff3037b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.02 07:44:40, skipping insertion in model container [2023-02-18 07:44:40,006 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 07:44:40" (3/3) ... [2023-02-18 07:44:40,007 INFO L112 eAbstractionObserver]: Analyzing ICFG benchmark23_conjunctive.i [2023-02-18 07:44:40,019 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-02-18 07:44:40,019 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-02-18 07:44:40,057 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-02-18 07:44:40,063 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;@78601984, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-02-18 07:44:40,063 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-02-18 07:44:40,066 INFO L276 IsEmpty]: Start isEmpty. Operand has 18 states, 13 states have (on average 1.6153846153846154) internal successors, (21), 17 states have internal predecessors, (21), 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) [2023-02-18 07:44:40,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-02-18 07:44:40,069 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 07:44:40,069 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2023-02-18 07:44:40,070 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-02-18 07:44:40,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 07:44:40,074 INFO L85 PathProgramCache]: Analyzing trace with hash 28695973, now seen corresponding path program 1 times [2023-02-18 07:44:40,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 07:44:40,079 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2062006339] [2023-02-18 07:44:40,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 07:44:40,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 07:44:40,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:44:40,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 07:44:40,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 07:44:40,168 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2062006339] [2023-02-18 07:44:40,168 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2062006339] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-18 07:44:40,168 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-18 07:44:40,169 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-02-18 07:44:40,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959249195] [2023-02-18 07:44:40,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-18 07:44:40,172 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-18 07:44:40,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 07:44:40,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-18 07:44:40,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-18 07:44:40,194 INFO L87 Difference]: Start difference. First operand has 18 states, 13 states have (on average 1.6153846153846154) internal successors, (21), 17 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 07:44:40,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 07:44:40,210 INFO L93 Difference]: Finished difference Result 24 states and 27 transitions. [2023-02-18 07:44:40,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-18 07:44:40,218 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 [2023-02-18 07:44:40,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 07:44:40,223 INFO L225 Difference]: With dead ends: 24 [2023-02-18 07:44:40,236 INFO L226 Difference]: Without dead ends: 11 [2023-02-18 07:44:40,239 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 [2023-02-18 07:44:40,241 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 13 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-18 07:44:40,242 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 13 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-18 07:44:40,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2023-02-18 07:44:40,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2023-02-18 07:44:40,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 8 states have (on average 1.375) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 07:44:40,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2023-02-18 07:44:40,279 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 5 [2023-02-18 07:44:40,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 07:44:40,280 INFO L495 AbstractCegarLoop]: Abstraction has 11 states and 11 transitions. [2023-02-18 07:44:40,280 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) [2023-02-18 07:44:40,280 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2023-02-18 07:44:40,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-02-18 07:44:40,280 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 07:44:40,280 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-02-18 07:44:40,281 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-02-18 07:44:40,281 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-02-18 07:44:40,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 07:44:40,284 INFO L85 PathProgramCache]: Analyzing trace with hash 889575213, now seen corresponding path program 1 times [2023-02-18 07:44:40,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 07:44:40,284 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702991411] [2023-02-18 07:44:40,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 07:44:40,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 07:44:40,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:44:40,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 07:44:40,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 07:44:40,323 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702991411] [2023-02-18 07:44:40,323 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1702991411] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-18 07:44:40,324 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-18 07:44:40,324 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-02-18 07:44:40,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072872189] [2023-02-18 07:44:40,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-18 07:44:40,325 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-18 07:44:40,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 07:44:40,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-18 07:44:40,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-18 07:44:40,326 INFO L87 Difference]: Start difference. First operand 11 states and 11 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) [2023-02-18 07:44:40,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 07:44:40,333 INFO L93 Difference]: Finished difference Result 15 states and 15 transitions. [2023-02-18 07:44:40,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-18 07:44:40,335 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 [2023-02-18 07:44:40,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 07:44:40,336 INFO L225 Difference]: With dead ends: 15 [2023-02-18 07:44:40,336 INFO L226 Difference]: Without dead ends: 14 [2023-02-18 07:44:40,336 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 [2023-02-18 07:44:40,337 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 0 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-18 07:44:40,338 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 15 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-18 07:44:40,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2023-02-18 07:44:40,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2023-02-18 07:44:40,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 13 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 07:44:40,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2023-02-18 07:44:40,343 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 6 [2023-02-18 07:44:40,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 07:44:40,343 INFO L495 AbstractCegarLoop]: Abstraction has 14 states and 14 transitions. [2023-02-18 07:44:40,344 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) [2023-02-18 07:44:40,344 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2023-02-18 07:44:40,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-02-18 07:44:40,345 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 07:44:40,345 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-02-18 07:44:40,345 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-02-18 07:44:40,345 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-02-18 07:44:40,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 07:44:40,346 INFO L85 PathProgramCache]: Analyzing trace with hash 1807027879, now seen corresponding path program 1 times [2023-02-18 07:44:40,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 07:44:40,349 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997802989] [2023-02-18 07:44:40,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 07:44:40,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 07:44:40,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:44:40,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 07:44:40,417 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 07:44:40,417 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997802989] [2023-02-18 07:44:40,417 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1997802989] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-18 07:44:40,417 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-18 07:44:40,417 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-18 07:44:40,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444512442] [2023-02-18 07:44:40,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-18 07:44:40,418 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-18 07:44:40,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 07:44:40,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-18 07:44:40,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-18 07:44:40,420 INFO L87 Difference]: Start difference. First operand 14 states and 14 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 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) [2023-02-18 07:44:40,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 07:44:40,439 INFO L93 Difference]: Finished difference Result 14 states and 14 transitions. [2023-02-18 07:44:40,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-18 07:44:40,439 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 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 [2023-02-18 07:44:40,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 07:44:40,440 INFO L225 Difference]: With dead ends: 14 [2023-02-18 07:44:40,440 INFO L226 Difference]: Without dead ends: 13 [2023-02-18 07:44:40,440 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-02-18 07:44:40,441 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 6 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-18 07:44:40,442 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 10 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-18 07:44:40,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2023-02-18 07:44:40,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2023-02-18 07:44:40,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 12 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 07:44:40,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2023-02-18 07:44:40,444 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 7 [2023-02-18 07:44:40,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 07:44:40,444 INFO L495 AbstractCegarLoop]: Abstraction has 13 states and 13 transitions. [2023-02-18 07:44:40,444 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 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) [2023-02-18 07:44:40,445 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2023-02-18 07:44:40,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-02-18 07:44:40,445 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 07:44:40,445 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 07:44:40,445 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-02-18 07:44:40,446 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-02-18 07:44:40,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 07:44:40,447 INFO L85 PathProgramCache]: Analyzing trace with hash 183289455, now seen corresponding path program 1 times [2023-02-18 07:44:40,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 07:44:40,447 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262562743] [2023-02-18 07:44:40,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 07:44:40,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 07:44:40,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:44:40,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 07:44:40,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 07:44:40,492 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1262562743] [2023-02-18 07:44:40,492 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1262562743] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-18 07:44:40,492 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-18 07:44:40,492 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-18 07:44:40,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099831831] [2023-02-18 07:44:40,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-18 07:44:40,493 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-18 07:44:40,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 07:44:40,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-18 07:44:40,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-18 07:44:40,493 INFO L87 Difference]: Start difference. First operand 13 states and 13 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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) [2023-02-18 07:44:40,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 07:44:40,514 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2023-02-18 07:44:40,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-18 07:44:40,514 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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 8 [2023-02-18 07:44:40,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 07:44:40,515 INFO L225 Difference]: With dead ends: 16 [2023-02-18 07:44:40,515 INFO L226 Difference]: Without dead ends: 15 [2023-02-18 07:44:40,515 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-02-18 07:44:40,516 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 2 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-18 07:44:40,516 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 15 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-18 07:44:40,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2023-02-18 07:44:40,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2023-02-18 07:44:40,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 14 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 07:44:40,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2023-02-18 07:44:40,519 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 8 [2023-02-18 07:44:40,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 07:44:40,519 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2023-02-18 07:44:40,519 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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) [2023-02-18 07:44:40,519 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2023-02-18 07:44:40,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-02-18 07:44:40,519 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 07:44:40,519 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 07:44:40,520 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-02-18 07:44:40,520 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-02-18 07:44:40,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 07:44:40,520 INFO L85 PathProgramCache]: Analyzing trace with hash 1472766433, now seen corresponding path program 1 times [2023-02-18 07:44:40,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 07:44:40,520 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302850207] [2023-02-18 07:44:40,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 07:44:40,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 07:44:40,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:44:40,555 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 07:44:40,555 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 07:44:40,555 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [302850207] [2023-02-18 07:44:40,555 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [302850207] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-18 07:44:40,555 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1771073333] [2023-02-18 07:44:40,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 07:44:40,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 07:44:40,557 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 07:44:40,559 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) [2023-02-18 07:44:40,560 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-02-18 07:44:40,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:44:40,591 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 3 conjunts are in the unsatisfiable core [2023-02-18 07:44:40,594 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 07:44:40,618 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 07:44:40,619 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-18 07:44:40,646 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 07:44:40,647 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1771073333] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-18 07:44:40,647 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-18 07:44:40,647 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2023-02-18 07:44:40,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014154568] [2023-02-18 07:44:40,647 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-18 07:44:40,648 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-02-18 07:44:40,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 07:44:40,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-02-18 07:44:40,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-02-18 07:44:40,657 INFO L87 Difference]: Start difference. First operand 15 states and 15 transitions. Second operand has 6 states, 5 states have (on average 4.0) internal successors, (20), 6 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) [2023-02-18 07:44:40,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 07:44:40,685 INFO L93 Difference]: Finished difference Result 31 states and 33 transitions. [2023-02-18 07:44:40,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-02-18 07:44:40,687 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.0) internal successors, (20), 6 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) Word has length 11 [2023-02-18 07:44:40,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 07:44:40,688 INFO L225 Difference]: With dead ends: 31 [2023-02-18 07:44:40,688 INFO L226 Difference]: Without dead ends: 30 [2023-02-18 07:44:40,688 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-02-18 07:44:40,689 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 5 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-18 07:44:40,689 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 25 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-18 07:44:40,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2023-02-18 07:44:40,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 28. [2023-02-18 07:44:40,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 26 states have (on average 1.1538461538461537) internal successors, (30), 27 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 07:44:40,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 30 transitions. [2023-02-18 07:44:40,697 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 30 transitions. Word has length 11 [2023-02-18 07:44:40,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 07:44:40,697 INFO L495 AbstractCegarLoop]: Abstraction has 28 states and 30 transitions. [2023-02-18 07:44:40,697 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.0) internal successors, (20), 6 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) [2023-02-18 07:44:40,697 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 30 transitions. [2023-02-18 07:44:40,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-02-18 07:44:40,698 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 07:44:40,698 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1] [2023-02-18 07:44:40,704 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-02-18 07:44:40,900 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 [2023-02-18 07:44:40,901 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-02-18 07:44:40,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 07:44:40,901 INFO L85 PathProgramCache]: Analyzing trace with hash -2010663901, now seen corresponding path program 1 times [2023-02-18 07:44:40,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 07:44:40,902 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688815925] [2023-02-18 07:44:40,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 07:44:40,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 07:44:40,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:44:40,942 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-02-18 07:44:40,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 07:44:40,943 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [688815925] [2023-02-18 07:44:40,943 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [688815925] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-18 07:44:40,943 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-18 07:44:40,943 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-18 07:44:40,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962769386] [2023-02-18 07:44:40,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-18 07:44:40,944 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-18 07:44:40,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 07:44:40,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-18 07:44:40,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-18 07:44:40,945 INFO L87 Difference]: Start difference. First operand 28 states and 30 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 07:44:40,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 07:44:40,954 INFO L93 Difference]: Finished difference Result 28 states and 30 transitions. [2023-02-18 07:44:40,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-18 07:44:40,955 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2023-02-18 07:44:40,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 07:44:40,955 INFO L225 Difference]: With dead ends: 28 [2023-02-18 07:44:40,955 INFO L226 Difference]: Without dead ends: 27 [2023-02-18 07:44:40,955 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-02-18 07:44:40,956 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 3 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-18 07:44:40,957 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 10 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-18 07:44:40,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2023-02-18 07:44:40,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2023-02-18 07:44:40,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 26 states have (on average 1.0384615384615385) internal successors, (27), 26 states have internal predecessors, (27), 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) [2023-02-18 07:44:40,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 27 transitions. [2023-02-18 07:44:40,963 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 27 transitions. Word has length 13 [2023-02-18 07:44:40,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 07:44:40,963 INFO L495 AbstractCegarLoop]: Abstraction has 27 states and 27 transitions. [2023-02-18 07:44:40,963 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 07:44:40,964 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 27 transitions. [2023-02-18 07:44:40,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-02-18 07:44:40,965 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 07:44:40,965 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 1, 1, 1, 1] [2023-02-18 07:44:40,965 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-02-18 07:44:40,965 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-02-18 07:44:40,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 07:44:40,967 INFO L85 PathProgramCache]: Analyzing trace with hash 924342317, now seen corresponding path program 2 times [2023-02-18 07:44:40,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 07:44:40,967 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997385455] [2023-02-18 07:44:40,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 07:44:40,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 07:44:40,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:44:41,058 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 07:44:41,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 07:44:41,059 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997385455] [2023-02-18 07:44:41,059 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1997385455] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-18 07:44:41,059 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1297583260] [2023-02-18 07:44:41,059 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-02-18 07:44:41,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 07:44:41,060 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 07:44:41,061 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) [2023-02-18 07:44:41,063 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-02-18 07:44:41,093 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-02-18 07:44:41,093 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-18 07:44:41,094 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 6 conjunts are in the unsatisfiable core [2023-02-18 07:44:41,095 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 07:44:41,119 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 07:44:41,119 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-18 07:44:41,166 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 07:44:41,166 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1297583260] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-18 07:44:41,166 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-18 07:44:41,166 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2023-02-18 07:44:41,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935236688] [2023-02-18 07:44:41,167 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-18 07:44:41,168 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-02-18 07:44:41,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 07:44:41,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-02-18 07:44:41,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2023-02-18 07:44:41,171 INFO L87 Difference]: Start difference. First operand 27 states and 27 transitions. Second operand has 12 states, 11 states have (on average 4.545454545454546) internal successors, (50), 12 states have internal predecessors, (50), 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) [2023-02-18 07:44:41,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 07:44:41,222 INFO L93 Difference]: Finished difference Result 58 states and 63 transitions. [2023-02-18 07:44:41,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-02-18 07:44:41,225 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 4.545454545454546) internal successors, (50), 12 states have internal predecessors, (50), 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 26 [2023-02-18 07:44:41,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 07:44:41,226 INFO L225 Difference]: With dead ends: 58 [2023-02-18 07:44:41,226 INFO L226 Difference]: Without dead ends: 57 [2023-02-18 07:44:41,226 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 42 SyntacticMatches, 4 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2023-02-18 07:44:41,227 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 2 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-18 07:44:41,227 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 41 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-18 07:44:41,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2023-02-18 07:44:41,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2023-02-18 07:44:41,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 56 states have (on average 1.0178571428571428) internal successors, (57), 56 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) [2023-02-18 07:44:41,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 57 transitions. [2023-02-18 07:44:41,237 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 57 transitions. Word has length 26 [2023-02-18 07:44:41,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 07:44:41,238 INFO L495 AbstractCegarLoop]: Abstraction has 57 states and 57 transitions. [2023-02-18 07:44:41,238 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 4.545454545454546) internal successors, (50), 12 states have internal predecessors, (50), 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) [2023-02-18 07:44:41,238 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 57 transitions. [2023-02-18 07:44:41,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-02-18 07:44:41,239 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 07:44:41,239 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 10, 10, 10, 1, 1, 1, 1] [2023-02-18 07:44:41,247 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-02-18 07:44:41,443 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,SelfDestructingSolverStorable6 [2023-02-18 07:44:41,444 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-02-18 07:44:41,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 07:44:41,445 INFO L85 PathProgramCache]: Analyzing trace with hash -1183028819, now seen corresponding path program 3 times [2023-02-18 07:44:41,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 07:44:41,446 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553505825] [2023-02-18 07:44:41,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 07:44:41,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 07:44:41,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:44:41,606 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 255 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 07:44:41,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 07:44:41,607 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [553505825] [2023-02-18 07:44:41,611 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [553505825] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-18 07:44:41,611 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [583774471] [2023-02-18 07:44:41,612 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-02-18 07:44:41,612 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 07:44:41,612 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 07:44:41,613 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) [2023-02-18 07:44:41,615 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-02-18 07:44:41,674 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2023-02-18 07:44:41,674 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-18 07:44:41,675 INFO L263 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 12 conjunts are in the unsatisfiable core [2023-02-18 07:44:41,677 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 07:44:41,757 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 255 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 07:44:41,757 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-18 07:44:41,894 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 255 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 07:44:41,894 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [583774471] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-18 07:44:41,894 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-18 07:44:41,894 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 23 [2023-02-18 07:44:41,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429758202] [2023-02-18 07:44:41,894 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-18 07:44:41,896 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2023-02-18 07:44:41,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 07:44:41,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2023-02-18 07:44:41,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2023-02-18 07:44:41,899 INFO L87 Difference]: Start difference. First operand 57 states and 57 transitions. Second operand has 24 states, 23 states have (on average 4.782608695652174) internal successors, (110), 24 states have internal predecessors, (110), 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) [2023-02-18 07:44:41,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 07:44:41,964 INFO L93 Difference]: Finished difference Result 118 states and 129 transitions. [2023-02-18 07:44:41,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-02-18 07:44:41,964 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 4.782608695652174) internal successors, (110), 24 states have internal predecessors, (110), 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 [2023-02-18 07:44:41,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 07:44:41,965 INFO L225 Difference]: With dead ends: 118 [2023-02-18 07:44:41,965 INFO L226 Difference]: Without dead ends: 117 [2023-02-18 07:44:41,966 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 90 SyntacticMatches, 10 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2023-02-18 07:44:41,966 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 2 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-18 07:44:41,967 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 75 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-18 07:44:41,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2023-02-18 07:44:41,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2023-02-18 07:44:41,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 116 states have (on average 1.0086206896551724) internal successors, (117), 116 states have internal predecessors, (117), 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) [2023-02-18 07:44:41,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 117 transitions. [2023-02-18 07:44:41,973 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 117 transitions. Word has length 56 [2023-02-18 07:44:41,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 07:44:41,974 INFO L495 AbstractCegarLoop]: Abstraction has 117 states and 117 transitions. [2023-02-18 07:44:41,974 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 4.782608695652174) internal successors, (110), 24 states have internal predecessors, (110), 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) [2023-02-18 07:44:41,974 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 117 transitions. [2023-02-18 07:44:41,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-02-18 07:44:41,976 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 07:44:41,976 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 22, 22, 22, 1, 1, 1, 1] [2023-02-18 07:44:41,982 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-02-18 07:44:42,181 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 07:44:42,181 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-02-18 07:44:42,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 07:44:42,182 INFO L85 PathProgramCache]: Analyzing trace with hash 493726893, now seen corresponding path program 4 times [2023-02-18 07:44:42,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 07:44:42,182 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843699726] [2023-02-18 07:44:42,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 07:44:42,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 07:44:42,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:44:42,669 INFO L134 CoverageAnalysis]: Checked inductivity of 1221 backedges. 0 proven. 1221 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 07:44:42,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 07:44:42,670 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [843699726] [2023-02-18 07:44:42,670 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [843699726] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-18 07:44:42,670 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1870091972] [2023-02-18 07:44:42,670 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-02-18 07:44:42,671 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 07:44:42,671 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 07:44:42,672 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) [2023-02-18 07:44:42,674 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-02-18 07:44:42,741 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-02-18 07:44:42,741 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-18 07:44:42,742 INFO L263 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 24 conjunts are in the unsatisfiable core [2023-02-18 07:44:42,746 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 07:44:42,986 INFO L134 CoverageAnalysis]: Checked inductivity of 1221 backedges. 0 proven. 1221 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 07:44:42,987 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-18 07:44:43,538 INFO L134 CoverageAnalysis]: Checked inductivity of 1221 backedges. 0 proven. 1221 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 07:44:43,538 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1870091972] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-18 07:44:43,538 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-18 07:44:43,538 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 47 [2023-02-18 07:44:43,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778514666] [2023-02-18 07:44:43,539 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-18 07:44:43,539 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2023-02-18 07:44:43,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 07:44:43,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2023-02-18 07:44:43,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1128, Invalid=1128, Unknown=0, NotChecked=0, Total=2256 [2023-02-18 07:44:43,541 INFO L87 Difference]: Start difference. First operand 117 states and 117 transitions. Second operand has 48 states, 47 states have (on average 4.8936170212765955) internal successors, (230), 48 states have internal predecessors, (230), 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) [2023-02-18 07:44:43,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 07:44:43,667 INFO L93 Difference]: Finished difference Result 238 states and 261 transitions. [2023-02-18 07:44:43,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-02-18 07:44:43,667 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 47 states have (on average 4.8936170212765955) internal successors, (230), 48 states have internal predecessors, (230), 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 116 [2023-02-18 07:44:43,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 07:44:43,671 INFO L225 Difference]: With dead ends: 238 [2023-02-18 07:44:43,671 INFO L226 Difference]: Without dead ends: 237 [2023-02-18 07:44:43,672 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 254 GetRequests, 186 SyntacticMatches, 22 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 231 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=1128, Invalid=1128, Unknown=0, NotChecked=0, Total=2256 [2023-02-18 07:44:43,674 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 2 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-18 07:44:43,674 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 148 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-18 07:44:43,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2023-02-18 07:44:43,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 237. [2023-02-18 07:44:43,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 237 states, 236 states have (on average 1.0042372881355932) internal successors, (237), 236 states have internal predecessors, (237), 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) [2023-02-18 07:44:43,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 237 transitions. [2023-02-18 07:44:43,695 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 237 transitions. Word has length 116 [2023-02-18 07:44:43,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 07:44:43,695 INFO L495 AbstractCegarLoop]: Abstraction has 237 states and 237 transitions. [2023-02-18 07:44:43,695 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 47 states have (on average 4.8936170212765955) internal successors, (230), 48 states have internal predecessors, (230), 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) [2023-02-18 07:44:43,695 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 237 transitions. [2023-02-18 07:44:43,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2023-02-18 07:44:43,697 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 07:44:43,697 INFO L195 NwaCegarLoop]: trace histogram [47, 47, 46, 46, 46, 1, 1, 1, 1] [2023-02-18 07:44:43,703 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-02-18 07:44:43,901 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 07:44:43,902 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-02-18 07:44:43,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 07:44:43,902 INFO L85 PathProgramCache]: Analyzing trace with hash 982823597, now seen corresponding path program 5 times [2023-02-18 07:44:43,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 07:44:43,902 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178747176] [2023-02-18 07:44:43,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 07:44:43,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 07:44:43,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:44:45,378 INFO L134 CoverageAnalysis]: Checked inductivity of 5313 backedges. 0 proven. 5313 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 07:44:45,378 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 07:44:45,378 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178747176] [2023-02-18 07:44:45,378 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [178747176] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-18 07:44:45,378 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1785873936] [2023-02-18 07:44:45,379 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-02-18 07:44:45,379 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 07:44:45,379 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 07:44:45,380 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) [2023-02-18 07:44:45,382 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-02-18 07:44:45,490 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2023-02-18 07:44:45,490 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-18 07:44:45,492 INFO L263 TraceCheckSpWp]: Trace formula consists of 538 conjuncts, 48 conjunts are in the unsatisfiable core [2023-02-18 07:44:45,496 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 07:44:46,217 INFO L134 CoverageAnalysis]: Checked inductivity of 5313 backedges. 0 proven. 5313 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 07:44:46,217 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-18 07:44:48,171 INFO L134 CoverageAnalysis]: Checked inductivity of 5313 backedges. 0 proven. 5313 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 07:44:48,171 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1785873936] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-18 07:44:48,171 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-18 07:44:48,171 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 48, 48] total 95 [2023-02-18 07:44:48,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732587165] [2023-02-18 07:44:48,172 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-18 07:44:48,172 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2023-02-18 07:44:48,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 07:44:48,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2023-02-18 07:44:48,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4560, Invalid=4560, Unknown=0, NotChecked=0, Total=9120 [2023-02-18 07:44:48,176 INFO L87 Difference]: Start difference. First operand 237 states and 237 transitions. Second operand has 96 states, 95 states have (on average 4.947368421052632) internal successors, (470), 96 states have internal predecessors, (470), 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) [2023-02-18 07:44:48,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 07:44:48,421 INFO L93 Difference]: Finished difference Result 478 states and 525 transitions. [2023-02-18 07:44:48,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2023-02-18 07:44:48,421 INFO L78 Accepts]: Start accepts. Automaton has has 96 states, 95 states have (on average 4.947368421052632) internal successors, (470), 96 states have internal predecessors, (470), 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 236 [2023-02-18 07:44:48,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 07:44:48,425 INFO L225 Difference]: With dead ends: 478 [2023-02-18 07:44:48,425 INFO L226 Difference]: Without dead ends: 477 [2023-02-18 07:44:48,427 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 518 GetRequests, 378 SyntacticMatches, 46 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1035 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=4560, Invalid=4560, Unknown=0, NotChecked=0, Total=9120 [2023-02-18 07:44:48,428 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 2 mSDsluCounter, 285 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 292 SdHoareTripleChecker+Invalid, 197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-18 07:44:48,428 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 292 Invalid, 197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-18 07:44:48,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 477 states. [2023-02-18 07:44:48,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 477 to 477. [2023-02-18 07:44:48,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 477 states, 476 states have (on average 1.0021008403361344) internal successors, (477), 476 states have internal predecessors, (477), 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) [2023-02-18 07:44:48,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 477 states and 477 transitions. [2023-02-18 07:44:48,444 INFO L78 Accepts]: Start accepts. Automaton has 477 states and 477 transitions. Word has length 236 [2023-02-18 07:44:48,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 07:44:48,445 INFO L495 AbstractCegarLoop]: Abstraction has 477 states and 477 transitions. [2023-02-18 07:44:48,446 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 96 states, 95 states have (on average 4.947368421052632) internal successors, (470), 96 states have internal predecessors, (470), 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) [2023-02-18 07:44:48,446 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 477 transitions. [2023-02-18 07:44:48,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 477 [2023-02-18 07:44:48,455 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 07:44:48,456 INFO L195 NwaCegarLoop]: trace histogram [95, 95, 94, 94, 94, 1, 1, 1, 1] [2023-02-18 07:44:48,463 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-02-18 07:44:48,663 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-02-18 07:44:48,663 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-02-18 07:44:48,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 07:44:48,664 INFO L85 PathProgramCache]: Analyzing trace with hash 1056226989, now seen corresponding path program 6 times [2023-02-18 07:44:48,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 07:44:48,664 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677197850] [2023-02-18 07:44:48,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 07:44:48,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 07:44:48,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:44:53,290 INFO L134 CoverageAnalysis]: Checked inductivity of 22137 backedges. 0 proven. 22137 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 07:44:53,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 07:44:53,290 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677197850] [2023-02-18 07:44:53,290 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1677197850] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-18 07:44:53,291 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1443235784] [2023-02-18 07:44:53,291 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-02-18 07:44:53,291 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 07:44:53,291 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 07:44:53,292 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) [2023-02-18 07:44:53,294 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-02-18 07:44:53,537 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 95 check-sat command(s) [2023-02-18 07:44:53,537 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-18 07:44:53,541 INFO L263 TraceCheckSpWp]: Trace formula consists of 1066 conjuncts, 96 conjunts are in the unsatisfiable core [2023-02-18 07:44:53,548 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 07:44:56,090 INFO L134 CoverageAnalysis]: Checked inductivity of 22137 backedges. 0 proven. 22137 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 07:44:56,090 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-18 07:45:03,543 INFO L134 CoverageAnalysis]: Checked inductivity of 22137 backedges. 0 proven. 22137 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 07:45:03,544 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1443235784] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-18 07:45:03,544 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-18 07:45:03,544 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [96, 96, 96] total 191 [2023-02-18 07:45:03,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090017346] [2023-02-18 07:45:03,544 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-18 07:45:03,545 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 192 states [2023-02-18 07:45:03,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 07:45:03,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 192 interpolants. [2023-02-18 07:45:03,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18336, Invalid=18336, Unknown=0, NotChecked=0, Total=36672 [2023-02-18 07:45:03,555 INFO L87 Difference]: Start difference. First operand 477 states and 477 transitions. Second operand has 192 states, 191 states have (on average 4.973821989528796) internal successors, (950), 192 states have internal predecessors, (950), 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) [2023-02-18 07:45:04,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 07:45:04,290 INFO L93 Difference]: Finished difference Result 958 states and 1053 transitions. [2023-02-18 07:45:04,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 192 states. [2023-02-18 07:45:04,291 INFO L78 Accepts]: Start accepts. Automaton has has 192 states, 191 states have (on average 4.973821989528796) internal successors, (950), 192 states have internal predecessors, (950), 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 476 [2023-02-18 07:45:04,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 07:45:04,293 INFO L225 Difference]: With dead ends: 958 [2023-02-18 07:45:04,293 INFO L226 Difference]: Without dead ends: 957 [2023-02-18 07:45:04,295 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1046 GetRequests, 762 SyntacticMatches, 94 SemanticMatches, 190 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4371 ImplicationChecksByTransitivity, 12.2s TimeCoverageRelationStatistics Valid=18336, Invalid=18336, Unknown=0, NotChecked=0, Total=36672 [2023-02-18 07:45:04,296 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 2 mSDsluCounter, 577 mSDsCounter, 0 mSdLazyCounter, 396 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 584 SdHoareTripleChecker+Invalid, 397 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 396 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-02-18 07:45:04,296 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 584 Invalid, 397 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 396 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-02-18 07:45:04,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 957 states. [2023-02-18 07:45:04,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 957 to 957. [2023-02-18 07:45:04,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 957 states, 956 states have (on average 1.0010460251046025) internal successors, (957), 956 states have internal predecessors, (957), 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) [2023-02-18 07:45:04,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 957 states to 957 states and 957 transitions. [2023-02-18 07:45:04,311 INFO L78 Accepts]: Start accepts. Automaton has 957 states and 957 transitions. Word has length 476 [2023-02-18 07:45:04,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 07:45:04,312 INFO L495 AbstractCegarLoop]: Abstraction has 957 states and 957 transitions. [2023-02-18 07:45:04,312 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 192 states, 191 states have (on average 4.973821989528796) internal successors, (950), 192 states have internal predecessors, (950), 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) [2023-02-18 07:45:04,312 INFO L276 IsEmpty]: Start isEmpty. Operand 957 states and 957 transitions. [2023-02-18 07:45:04,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 957 [2023-02-18 07:45:04,326 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 07:45:04,326 INFO L195 NwaCegarLoop]: trace histogram [191, 191, 190, 190, 190, 1, 1, 1, 1] [2023-02-18 07:45:04,331 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-02-18 07:45:04,531 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 07:45:04,532 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-02-18 07:45:04,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 07:45:04,532 INFO L85 PathProgramCache]: Analyzing trace with hash 402445997, now seen corresponding path program 7 times [2023-02-18 07:45:04,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 07:45:04,532 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [786052968] [2023-02-18 07:45:04,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 07:45:04,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 07:45:04,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:45:24,696 INFO L134 CoverageAnalysis]: Checked inductivity of 90345 backedges. 0 proven. 90345 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 07:45:24,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 07:45:24,697 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [786052968] [2023-02-18 07:45:24,697 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [786052968] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-18 07:45:24,697 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [486304562] [2023-02-18 07:45:24,697 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-02-18 07:45:24,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 07:45:24,697 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 07:45:24,698 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) [2023-02-18 07:45:24,701 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-02-18 07:45:24,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:45:24,971 INFO L263 TraceCheckSpWp]: Trace formula consists of 2122 conjuncts, 202 conjunts are in the unsatisfiable core [2023-02-18 07:45:24,979 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 07:45:43,991 INFO L134 CoverageAnalysis]: Checked inductivity of 90345 backedges. 70140 proven. 0 refuted. 0 times theorem prover too weak. 20205 trivial. 0 not checked. [2023-02-18 07:45:43,992 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-02-18 07:45:43,992 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [486304562] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-18 07:45:43,992 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-02-18 07:45:43,992 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [203] imperfect sequences [192] total 394 [2023-02-18 07:45:43,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922606643] [2023-02-18 07:45:43,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-18 07:45:43,994 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 203 states [2023-02-18 07:45:43,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 07:45:43,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 203 interpolants. [2023-02-18 07:45:44,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28930, Invalid=125912, Unknown=0, NotChecked=0, Total=154842 [2023-02-18 07:45:44,007 INFO L87 Difference]: Start difference. First operand 957 states and 957 transitions. Second operand has 203 states, 203 states have (on average 2.5123152709359604) internal successors, (510), 203 states have internal predecessors, (510), 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) [2023-02-18 07:45:53,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 07:45:53,434 INFO L93 Difference]: Finished difference Result 957 states and 957 transitions. [2023-02-18 07:45:53,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 203 states. [2023-02-18 07:45:53,440 INFO L78 Accepts]: Start accepts. Automaton has has 203 states, 203 states have (on average 2.5123152709359604) internal successors, (510), 203 states have internal predecessors, (510), 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 956 [2023-02-18 07:45:53,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 07:45:53,442 INFO L225 Difference]: With dead ends: 957 [2023-02-18 07:45:53,442 INFO L226 Difference]: Without dead ends: 0 [2023-02-18 07:45:53,453 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1247 GetRequests, 755 SyntacticMatches, 0 SemanticMatches, 492 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57891 ImplicationChecksByTransitivity, 35.5s TimeCoverageRelationStatistics Valid=44180, Invalid=199362, Unknown=0, NotChecked=0, Total=243542 [2023-02-18 07:45:53,454 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 200 mSDsluCounter, 861 mSDsCounter, 0 mSdLazyCounter, 3828 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 200 SdHoareTripleChecker+Valid, 964 SdHoareTripleChecker+Invalid, 3828 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3828 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-02-18 07:45:53,454 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [200 Valid, 964 Invalid, 3828 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3828 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-02-18 07:45:53,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-02-18 07:45:53,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-02-18 07:45:53,455 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) [2023-02-18 07:45:53,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-02-18 07:45:53,455 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 956 [2023-02-18 07:45:53,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 07:45:53,455 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-02-18 07:45:53,456 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 203 states, 203 states have (on average 2.5123152709359604) internal successors, (510), 203 states have internal predecessors, (510), 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) [2023-02-18 07:45:53,456 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-02-18 07:45:53,456 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-02-18 07:45:53,458 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2023-02-18 07:45:53,458 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2023-02-18 07:45:53,458 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2023-02-18 07:45:53,459 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2023-02-18 07:45:53,470 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-02-18 07:45:53,672 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 07:45:53,674 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-02-18 07:45:53,681 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 24) no Hoare annotation was computed. [2023-02-18 07:45:53,681 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-02-18 07:45:53,681 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 25) no Hoare annotation was computed. [2023-02-18 07:45:53,681 INFO L899 garLoopResultBuilder]: For program point L25(line 25) no Hoare annotation was computed. [2023-02-18 07:45:53,681 INFO L899 garLoopResultBuilder]: For program point L25-1(line 25) no Hoare annotation was computed. [2023-02-18 07:45:53,683 INFO L895 garLoopResultBuilder]: At program point L23-2(lines 23 26) the Hoare annotation is: (let ((.cse4 (+ 2 |ULTIMATE.start_main_~j~0#1|))) (let ((.cse11 (< .cse4 2147483620)) (.cse7 (< .cse4 2147483636)) (.cse12 (< .cse4 2147483608)) (.cse8 (< .cse4 2147483618)) (.cse16 (< .cse4 2147483610)) (.cse14 (< .cse4 2147483604)) (.cse6 (< .cse4 2147483642)) (.cse18 (< .cse4 2147483626)) (.cse23 (< .cse4 2147483616)) (.cse17 (< .cse4 2147483612)) (.cse21 (< .cse4 2147483606)) (.cse24 (< .cse4 2147483634)) (.cse19 (< .cse4 2147483638)) (.cse5 (<= .cse4 2147483647)) (.cse15 (< .cse4 2147483646)) (.cse10 (< .cse4 2147483614)) (.cse20 (< .cse4 2147483632)) (.cse9 (< .cse4 2147483622)) (.cse1 (< .cse4 2147483640)) (.cse26 (< .cse4 2147483624)) (.cse13 (< .cse4 2147483644)) (.cse22 (< .cse4 2147483628)) (.cse0 (<= 0 (+ |ULTIMATE.start_main_~j~0#1| 2147483648))) (.cse2 (<= 0 |ULTIMATE.start_main_~i~0#1|)) (.cse25 (< .cse4 2147483630)) (.cse3 (+ (- 1) |ULTIMATE.start_main_~i~0#1|))) (or (and .cse0 .cse1 (<= |ULTIMATE.start_main_~j~0#1| 82) .cse2 (<= 40 .cse3)) (and (<= |ULTIMATE.start_main_~j~0#1| 138) .cse0 (< .cse4 2147483600) (<= 68 .cse3) .cse2) (and (< .cse4 2147483590) .cse0 (<= |ULTIMATE.start_main_~j~0#1| 128) .cse2 (<= 63 .cse3)) (and .cse0 .cse2 .cse5 (<= |ULTIMATE.start_main_~j~0#1| 90) (<= 44 .cse3)) (and .cse0 (<= |ULTIMATE.start_main_~j~0#1| 180) .cse2 (<= 89 .cse3) .cse6) (and .cse0 .cse7 (<= 86 .cse3) (<= |ULTIMATE.start_main_~j~0#1| 174) .cse2) (and .cse0 .cse8 .cse2 (<= |ULTIMATE.start_main_~j~0#1| 60) (<= 29 .cse3)) (and .cse0 (<= 79 .cse3) (<= |ULTIMATE.start_main_~j~0#1| 160) .cse9 .cse2) (and .cse0 .cse10 (<= |ULTIMATE.start_main_~j~0#1| 56) .cse2 (<= 27 .cse3)) (and (<= 30 .cse3) .cse0 (<= |ULTIMATE.start_main_~j~0#1| 62) .cse2 .cse11) (and .cse0 (<= 72 .cse3) (<= |ULTIMATE.start_main_~j~0#1| 146) .cse12 .cse2) (and (<= |ULTIMATE.start_main_~j~0#1| 104) (<= 51 .cse3) .cse0 .cse2 (< .cse4 2147483566)) (and .cse0 (>= |ULTIMATE.start_main_~i~0#1| 0) (<= |ULTIMATE.start_main_~i~0#1| 0) (<= |ULTIMATE.start_main_~i~0#1| 99) .cse2 (<= |ULTIMATE.start_main_~j~0#1| 0)) (and .cse0 .cse2 (<= |ULTIMATE.start_main_~j~0#1| 100) (< .cse4 2147483562) (<= 49 .cse3)) (and .cse0 (<= |ULTIMATE.start_main_~j~0#1| 38) (<= 18 .cse3) .cse2 .cse13) (and .cse0 (<= 22 .cse3) .cse2 (<= |ULTIMATE.start_main_~j~0#1| 46) .cse14) (and .cse0 .cse2 .cse15 (<= |ULTIMATE.start_main_~j~0#1| 40) (<= 19 .cse3)) (and .cse0 .cse2 (<= |ULTIMATE.start_main_~j~0#1| 20) (<= 9 .cse3)) (and (<= |ULTIMATE.start_main_~j~0#1| 10) .cse0 .cse1 (<= 4 .cse3) .cse2) (and .cse0 (<= 25 .cse3) .cse16 .cse2 (<= |ULTIMATE.start_main_~j~0#1| 52)) (and .cse0 .cse2 (<= 95 .cse3) (< .cse4 2147483462)) (and .cse0 .cse2 .cse13 (<= 42 .cse3) (<= |ULTIMATE.start_main_~j~0#1| 86)) (and .cse0 .cse17 (<= 74 .cse3) (<= |ULTIMATE.start_main_~j~0#1| 150) .cse2) (and .cse0 (< .cse4 2147483588) .cse2 (<= |ULTIMATE.start_main_~j~0#1| 126) (<= 62 .cse3)) (and (<= 66 .cse3) .cse0 (< .cse4 2147483596) .cse2 (<= |ULTIMATE.start_main_~j~0#1| 134)) (and .cse0 .cse7 (<= 38 .cse3) .cse2 (<= |ULTIMATE.start_main_~j~0#1| 78)) (and .cse0 (<= 78 .cse3) .cse2 (<= |ULTIMATE.start_main_~j~0#1| 158) .cse11) (and .cse0 .cse7 (<= |ULTIMATE.start_main_~j~0#1| 30) .cse2 (<= 14 .cse3)) (and .cse0 (< .cse4 2147483574) .cse2 (<= |ULTIMATE.start_main_~j~0#1| 112) (<= 55 .cse3)) (and .cse0 (<= |ULTIMATE.start_main_~j~0#1| 88) .cse2 (<= 43 .cse3) .cse15) (and .cse0 (<= |ULTIMATE.start_main_~j~0#1| 50) .cse12 .cse2 (<= 24 .cse3)) (and .cse0 (< .cse4 2147483584) .cse2 (<= 60 .cse3) (<= |ULTIMATE.start_main_~j~0#1| 122)) (and (<= 48 .cse3) .cse0 .cse2 (< .cse4 2147483560) (<= |ULTIMATE.start_main_~j~0#1| 98)) (and (<= |ULTIMATE.start_main_~j~0#1| 164) .cse18 .cse0 .cse2 (<= 81 .cse3)) (and .cse0 .cse19 .cse2 (<= |ULTIMATE.start_main_~j~0#1| 176) (<= 87 .cse3)) (and .cse0 .cse2 .cse6 (<= 5 .cse3) (<= |ULTIMATE.start_main_~j~0#1| 12)) (and .cse0 .cse8 (<= |ULTIMATE.start_main_~j~0#1| 156) .cse2 (<= 77 .cse3)) (and (<= |ULTIMATE.start_main_~j~0#1| 170) .cse0 (<= 84 .cse3) .cse20 .cse2) (and .cse0 (<= 69 .cse3) (<= |ULTIMATE.start_main_~j~0#1| 140) .cse2 (< .cse4 2147483602)) (and .cse0 (<= 71 .cse3) .cse21 .cse2 (<= |ULTIMATE.start_main_~j~0#1| 144)) (and .cse0 (<= |ULTIMATE.start_main_~j~0#1| 92) .cse2 (<= 45 .cse3)) (and (<= 61 .cse3) .cse0 (<= |ULTIMATE.start_main_~j~0#1| 124) (< .cse4 2147483586) .cse2) (and .cse0 .cse16 (<= 73 .cse3) .cse2 (<= |ULTIMATE.start_main_~j~0#1| 148)) (and .cse0 (<= |ULTIMATE.start_main_~j~0#1| 116) .cse2 (<= 57 .cse3) (< .cse4 2147483578)) (and .cse22 .cse0 (<= |ULTIMATE.start_main_~j~0#1| 166) .cse2 (<= 82 .cse3)) (and .cse0 .cse2 (< .cse4 2147483466) (<= 97 .cse3)) (and .cse0 .cse23 (<= |ULTIMATE.start_main_~j~0#1| 154) .cse2 (<= 76 .cse3)) (and (<= |ULTIMATE.start_main_~j~0#1| 118) .cse0 .cse2 (<= 58 .cse3) (< .cse4 2147483580)) (and .cse0 .cse2 (<= 46 .cse3) (< .cse4 2147483556) (<= |ULTIMATE.start_main_~j~0#1| 94)) (and .cse0 (<= 70 .cse3) .cse2 (<= |ULTIMATE.start_main_~j~0#1| 142) .cse14) (and .cse0 (<= |ULTIMATE.start_main_~j~0#1| 8) (<= 3 .cse3) .cse2) (and .cse0 (< .cse4 2147483558) .cse2 (<= |ULTIMATE.start_main_~j~0#1| 96) (<= 47 .cse3)) (and .cse0 (<= 20 .cse3) (<= |ULTIMATE.start_main_~j~0#1| 42) .cse2 .cse5) (and .cse0 (<= 41 .cse3) .cse2 .cse6 (<= |ULTIMATE.start_main_~j~0#1| 84)) (and (<= 1 .cse3) .cse0 (<= |ULTIMATE.start_main_~j~0#1| 4) .cse2 .cse15) (and .cse0 (<= |ULTIMATE.start_main_~j~0#1| 188) .cse2 (<= 93 .cse3)) (and .cse0 .cse19 (<= |ULTIMATE.start_main_~j~0#1| 32) (<= 15 .cse3) .cse2) (and (<= 98 .cse3) .cse0 (< .cse4 2147483468) .cse2) (and .cse0 (<= 17 .cse3) .cse2 .cse6 (<= |ULTIMATE.start_main_~j~0#1| 36)) (and .cse0 (<= |ULTIMATE.start_main_~j~0#1| 136) (< .cse4 2147483598) .cse2 (<= 67 .cse3)) (and .cse0 .cse2 (<= |ULTIMATE.start_main_~j~0#1| 2) (<= 0 .cse3)) (and .cse0 (<= |ULTIMATE.start_main_~j~0#1| 106) .cse2 (< .cse4 2147483568) (<= 52 .cse3)) (and .cse0 (<= |ULTIMATE.start_main_~j~0#1| 184) .cse2 .cse15 (<= 91 .cse3)) (and .cse18 .cse0 .cse2 (<= |ULTIMATE.start_main_~j~0#1| 68) (<= 33 .cse3)) (and .cse0 .cse1 (<= 88 .cse3) .cse2 (<= |ULTIMATE.start_main_~j~0#1| 178)) (and .cse0 (<= 64 .cse3) .cse2 (< .cse4 2147483592) (<= |ULTIMATE.start_main_~j~0#1| 130)) (and (<= |ULTIMATE.start_main_~j~0#1| 58) .cse0 .cse23 (<= 28 .cse3) .cse2) (and .cse0 (<= |ULTIMATE.start_main_~j~0#1| 114) (< .cse4 2147483576) .cse2 (<= 56 .cse3)) (and .cse0 (<= |ULTIMATE.start_main_~j~0#1| 172) .cse2 (<= 85 .cse3) .cse24) (and .cse22 .cse0 (<= 34 .cse3) (<= |ULTIMATE.start_main_~j~0#1| 70) .cse2) (and .cse0 (<= |ULTIMATE.start_main_~j~0#1| 132) (< .cse4 2147483594) (<= 65 .cse3) .cse2) (and .cse0 .cse2 .cse5 (<= 2 .cse3) (<= |ULTIMATE.start_main_~j~0#1| 6)) (and (<= |ULTIMATE.start_main_~j~0#1| 54) .cse0 .cse17 (<= 26 .cse3) .cse2) (and .cse0 (< .cse4 2147483570) (<= 53 .cse3) (<= |ULTIMATE.start_main_~j~0#1| 108) .cse2) (and (<= 37 .cse3) .cse0 .cse2 (<= |ULTIMATE.start_main_~j~0#1| 76) .cse24) (and .cse0 (< .cse4 2147483470) .cse2 (<= 99 .cse3)) (and .cse0 (<= |ULTIMATE.start_main_~j~0#1| 48) .cse21 (<= 23 .cse3) .cse2) (and (<= 96 .cse3) .cse0 (< .cse4 2147483464) .cse2) (and (<= 8 .cse3) .cse0 (<= |ULTIMATE.start_main_~j~0#1| 18) .cse2 .cse5) (and .cse0 (<= 13 .cse3) .cse2 (<= |ULTIMATE.start_main_~j~0#1| 28) .cse24) (and (<= 39 .cse3) .cse0 .cse19 (<= |ULTIMATE.start_main_~j~0#1| 80) .cse2) (and .cse0 .cse2 (<= |ULTIMATE.start_main_~j~0#1| 186) .cse5 (<= 92 .cse3)) (and .cse0 .cse2 (<= |ULTIMATE.start_main_~j~0#1| 168) (<= 83 .cse3) .cse25) (and .cse0 (<= 12 .cse3) .cse20 .cse2 (<= |ULTIMATE.start_main_~j~0#1| 26)) (and .cse0 .cse2 (<= |ULTIMATE.start_main_~j~0#1| 16) .cse15 (<= 7 .cse3)) (and .cse0 (<= 21 .cse3) .cse2 (<= |ULTIMATE.start_main_~j~0#1| 44)) (and .cse0 .cse26 (<= 80 .cse3) .cse2 (<= |ULTIMATE.start_main_~j~0#1| 162)) (and .cse0 .cse10 .cse2 (<= 75 .cse3) (<= |ULTIMATE.start_main_~j~0#1| 152)) (and (<= 54 .cse3) .cse0 (< .cse4 2147483572) .cse2 (<= |ULTIMATE.start_main_~j~0#1| 110)) (and .cse0 (<= 36 .cse3) .cse20 .cse2 (<= |ULTIMATE.start_main_~j~0#1| 74)) (and .cse0 (<= |ULTIMATE.start_main_~j~0#1| 182) (<= 90 .cse3) .cse2 .cse13) (and .cse0 (<= 50 .cse3) (<= |ULTIMATE.start_main_~j~0#1| 102) (< .cse4 2147483564) .cse2) (and .cse0 (<= |ULTIMATE.start_main_~j~0#1| 64) .cse9 (<= 31 .cse3) .cse2) (and .cse0 (<= 16 .cse3) .cse1 (<= |ULTIMATE.start_main_~j~0#1| 34) .cse2) (and (< .cse4 2147483582) (<= |ULTIMATE.start_main_~j~0#1| 120) .cse0 .cse2 (<= 59 .cse3)) (and .cse0 .cse26 (<= |ULTIMATE.start_main_~j~0#1| 66) .cse2 (<= 32 .cse3)) (and .cse0 (<= |ULTIMATE.start_main_~j~0#1| 14) .cse2 (<= 6 .cse3) .cse13) (and .cse0 (< .cse4 2147483460) (<= 94 .cse3) .cse2) (and .cse22 .cse0 (<= 10 .cse3) (<= |ULTIMATE.start_main_~j~0#1| 22) .cse2) (and .cse0 (<= |ULTIMATE.start_main_~j~0#1| 24) (<= 11 .cse3) .cse2 .cse25) (and (<= |ULTIMATE.start_main_~j~0#1| 72) .cse0 .cse2 .cse25 (<= 35 .cse3))))) [2023-02-18 07:45:53,683 INFO L899 garLoopResultBuilder]: For program point L23-3(lines 23 26) no Hoare annotation was computed. [2023-02-18 07:45:53,683 INFO L899 garLoopResultBuilder]: For program point L15(lines 15 17) no Hoare annotation was computed. [2023-02-18 07:45:53,684 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-02-18 07:45:53,684 INFO L895 garLoopResultBuilder]: At program point main_returnLabel#1(lines 19 29) the Hoare annotation is: (<= 0 (+ |ULTIMATE.start_main_~j~0#1| 2147483648)) [2023-02-18 07:45:53,684 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-02-18 07:45:53,684 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 24) no Hoare annotation was computed. [2023-02-18 07:45:53,684 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 25) no Hoare annotation was computed. [2023-02-18 07:45:53,684 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-02-18 07:45:53,684 INFO L899 garLoopResultBuilder]: For program point L24(line 24) no Hoare annotation was computed. [2023-02-18 07:45:53,684 INFO L899 garLoopResultBuilder]: For program point L24-1(line 24) no Hoare annotation was computed. [2023-02-18 07:45:53,684 INFO L899 garLoopResultBuilder]: For program point L22(line 22) no Hoare annotation was computed. [2023-02-18 07:45:53,685 INFO L899 garLoopResultBuilder]: For program point L14(lines 14 18) no Hoare annotation was computed. [2023-02-18 07:45:53,686 INFO L445 BasicCegarLoop]: Path program histogram: [7, 1, 1, 1, 1, 1] [2023-02-18 07:45:53,688 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-02-18 07:45:53,729 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.02 07:45:53 BoogieIcfgContainer [2023-02-18 07:45:53,729 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-02-18 07:45:53,730 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-02-18 07:45:53,730 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-02-18 07:45:53,730 INFO L275 PluginConnector]: Witness Printer initialized [2023-02-18 07:45:53,731 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 07:44:40" (3/4) ... [2023-02-18 07:45:53,733 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-02-18 07:45:53,738 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-02-18 07:45:53,741 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-02-18 07:45:53,741 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-02-18 07:45:53,741 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-02-18 07:45:53,761 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-02-18 07:45:53,762 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-02-18 07:45:53,762 INFO L158 Benchmark]: Toolchain (without parser) took 74166.94ms. Allocated memory was 134.2MB in the beginning and 805.3MB in the end (delta: 671.1MB). Free memory was 97.9MB in the beginning and 454.1MB in the end (delta: -356.2MB). Peak memory consumption was 317.8MB. Max. memory is 16.1GB. [2023-02-18 07:45:53,762 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 134.2MB. Free memory was 105.4MB in the beginning and 105.3MB in the end (delta: 159.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-18 07:45:53,762 INFO L158 Benchmark]: CACSL2BoogieTranslator took 129.11ms. Allocated memory is still 134.2MB. Free memory was 97.9MB in the beginning and 87.9MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-02-18 07:45:53,763 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.51ms. Allocated memory is still 134.2MB. Free memory was 87.9MB in the beginning and 86.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-18 07:45:53,763 INFO L158 Benchmark]: Boogie Preprocessor took 23.57ms. Allocated memory is still 134.2MB. Free memory was 86.0MB in the beginning and 84.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-18 07:45:53,763 INFO L158 Benchmark]: RCFGBuilder took 230.29ms. Allocated memory is still 134.2MB. Free memory was 84.7MB in the beginning and 75.3MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-02-18 07:45:53,763 INFO L158 Benchmark]: TraceAbstraction took 73726.90ms. Allocated memory was 134.2MB in the beginning and 805.3MB in the end (delta: 671.1MB). Free memory was 74.9MB in the beginning and 457.3MB in the end (delta: -382.4MB). Peak memory consumption was 290.6MB. Max. memory is 16.1GB. [2023-02-18 07:45:53,763 INFO L158 Benchmark]: Witness Printer took 31.77ms. Allocated memory is still 805.3MB. Free memory was 457.3MB in the beginning and 454.1MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-02-18 07:45:53,765 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 134.2MB. Free memory was 105.4MB in the beginning and 105.3MB in the end (delta: 159.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 129.11ms. Allocated memory is still 134.2MB. Free memory was 97.9MB in the beginning and 87.9MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 19.51ms. Allocated memory is still 134.2MB. Free memory was 87.9MB in the beginning and 86.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.57ms. Allocated memory is still 134.2MB. Free memory was 86.0MB in the beginning and 84.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 230.29ms. Allocated memory is still 134.2MB. Free memory was 84.7MB in the beginning and 75.3MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 73726.90ms. Allocated memory was 134.2MB in the beginning and 805.3MB in the end (delta: 671.1MB). Free memory was 74.9MB in the beginning and 457.3MB in the end (delta: -382.4MB). Peak memory consumption was 290.6MB. Max. memory is 16.1GB. * Witness Printer took 31.77ms. Allocated memory is still 805.3MB. Free memory was 457.3MB in the beginning and 454.1MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. 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: 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 - PositiveResult [Line: 25]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 25]: 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, 18 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 73.6s, OverallIterations: 12, TraceHistogramMax: 191, PathProgramHistogramMax: 7, EmptinessCheckTime: 0.0s, AutomataDifference: 10.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 239 SdHoareTripleChecker+Valid, 1.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 239 mSDsluCounter, 2192 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2009 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4656 IncrementalHoareTripleChecker+Invalid, 4665 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 183 mSDtfsCounter, 4656 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3282 GetRequests, 2236 SyntacticMatches, 177 SemanticMatches, 869 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63579 ImplicationChecksByTransitivity, 52.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=957occurred in iteration=11, InterpolantAutomatonStates: 599, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 12 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 104 NumberOfFragments, 2179 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 59.5s InterpolantComputationTime, 3793 NumberOfCodeBlocks, 3793 NumberOfCodeBlocksAsserted, 171 NumberOfCheckSat, 4689 ConstructedInterpolants, 0 QuantifiedInterpolants, 15461 SizeOfPredicates, 107 NumberOfNonLiveVariables, 4261 ConjunctsInSsa, 391 ConjunctsInUnsatCore, 25 InterpolantComputations, 6 PerfectInterpolantSequences, 90350/267608 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 0 <= j + 2147483648 - InvariantResult [Line: 23]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((0 <= j + 2147483648 && 2 + j < 2147483640) && j <= 82) && 0 <= i) && 40 <= -1 + i) || ((((j <= 138 && 0 <= j + 2147483648) && 2 + j < 2147483600) && 68 <= -1 + i) && 0 <= i)) || ((((2 + j < 2147483590 && 0 <= j + 2147483648) && j <= 128) && 0 <= i) && 63 <= -1 + i)) || ((((0 <= j + 2147483648 && 0 <= i) && 2 + j <= 2147483647) && j <= 90) && 44 <= -1 + i)) || ((((0 <= j + 2147483648 && j <= 180) && 0 <= i) && 89 <= -1 + i) && 2 + j < 2147483642)) || ((((0 <= j + 2147483648 && 2 + j < 2147483636) && 86 <= -1 + i) && j <= 174) && 0 <= i)) || ((((0 <= j + 2147483648 && 2 + j < 2147483618) && 0 <= i) && j <= 60) && 29 <= -1 + i)) || ((((0 <= j + 2147483648 && 79 <= -1 + i) && j <= 160) && 2 + j < 2147483622) && 0 <= i)) || ((((0 <= j + 2147483648 && 2 + j < 2147483614) && j <= 56) && 0 <= i) && 27 <= -1 + i)) || ((((30 <= -1 + i && 0 <= j + 2147483648) && j <= 62) && 0 <= i) && 2 + j < 2147483620)) || ((((0 <= j + 2147483648 && 72 <= -1 + i) && j <= 146) && 2 + j < 2147483608) && 0 <= i)) || ((((j <= 104 && 51 <= -1 + i) && 0 <= j + 2147483648) && 0 <= i) && 2 + j < 2147483566)) || (((((0 <= j + 2147483648 && i >= 0) && i <= 0) && i <= 99) && 0 <= i) && j <= 0)) || ((((0 <= j + 2147483648 && 0 <= i) && j <= 100) && 2 + j < 2147483562) && 49 <= -1 + i)) || ((((0 <= j + 2147483648 && j <= 38) && 18 <= -1 + i) && 0 <= i) && 2 + j < 2147483644)) || ((((0 <= j + 2147483648 && 22 <= -1 + i) && 0 <= i) && j <= 46) && 2 + j < 2147483604)) || ((((0 <= j + 2147483648 && 0 <= i) && 2 + j < 2147483646) && j <= 40) && 19 <= -1 + i)) || (((0 <= j + 2147483648 && 0 <= i) && j <= 20) && 9 <= -1 + i)) || ((((j <= 10 && 0 <= j + 2147483648) && 2 + j < 2147483640) && 4 <= -1 + i) && 0 <= i)) || ((((0 <= j + 2147483648 && 25 <= -1 + i) && 2 + j < 2147483610) && 0 <= i) && j <= 52)) || (((0 <= j + 2147483648 && 0 <= i) && 95 <= -1 + i) && 2 + j < 2147483462)) || ((((0 <= j + 2147483648 && 0 <= i) && 2 + j < 2147483644) && 42 <= -1 + i) && j <= 86)) || ((((0 <= j + 2147483648 && 2 + j < 2147483612) && 74 <= -1 + i) && j <= 150) && 0 <= i)) || ((((0 <= j + 2147483648 && 2 + j < 2147483588) && 0 <= i) && j <= 126) && 62 <= -1 + i)) || ((((66 <= -1 + i && 0 <= j + 2147483648) && 2 + j < 2147483596) && 0 <= i) && j <= 134)) || ((((0 <= j + 2147483648 && 2 + j < 2147483636) && 38 <= -1 + i) && 0 <= i) && j <= 78)) || ((((0 <= j + 2147483648 && 78 <= -1 + i) && 0 <= i) && j <= 158) && 2 + j < 2147483620)) || ((((0 <= j + 2147483648 && 2 + j < 2147483636) && j <= 30) && 0 <= i) && 14 <= -1 + i)) || ((((0 <= j + 2147483648 && 2 + j < 2147483574) && 0 <= i) && j <= 112) && 55 <= -1 + i)) || ((((0 <= j + 2147483648 && j <= 88) && 0 <= i) && 43 <= -1 + i) && 2 + j < 2147483646)) || ((((0 <= j + 2147483648 && j <= 50) && 2 + j < 2147483608) && 0 <= i) && 24 <= -1 + i)) || ((((0 <= j + 2147483648 && 2 + j < 2147483584) && 0 <= i) && 60 <= -1 + i) && j <= 122)) || ((((48 <= -1 + i && 0 <= j + 2147483648) && 0 <= i) && 2 + j < 2147483560) && j <= 98)) || ((((j <= 164 && 2 + j < 2147483626) && 0 <= j + 2147483648) && 0 <= i) && 81 <= -1 + i)) || ((((0 <= j + 2147483648 && 2 + j < 2147483638) && 0 <= i) && j <= 176) && 87 <= -1 + i)) || ((((0 <= j + 2147483648 && 0 <= i) && 2 + j < 2147483642) && 5 <= -1 + i) && j <= 12)) || ((((0 <= j + 2147483648 && 2 + j < 2147483618) && j <= 156) && 0 <= i) && 77 <= -1 + i)) || ((((j <= 170 && 0 <= j + 2147483648) && 84 <= -1 + i) && 2 + j < 2147483632) && 0 <= i)) || ((((0 <= j + 2147483648 && 69 <= -1 + i) && j <= 140) && 0 <= i) && 2 + j < 2147483602)) || ((((0 <= j + 2147483648 && 71 <= -1 + i) && 2 + j < 2147483606) && 0 <= i) && j <= 144)) || (((0 <= j + 2147483648 && j <= 92) && 0 <= i) && 45 <= -1 + i)) || ((((61 <= -1 + i && 0 <= j + 2147483648) && j <= 124) && 2 + j < 2147483586) && 0 <= i)) || ((((0 <= j + 2147483648 && 2 + j < 2147483610) && 73 <= -1 + i) && 0 <= i) && j <= 148)) || ((((0 <= j + 2147483648 && j <= 116) && 0 <= i) && 57 <= -1 + i) && 2 + j < 2147483578)) || ((((2 + j < 2147483628 && 0 <= j + 2147483648) && j <= 166) && 0 <= i) && 82 <= -1 + i)) || (((0 <= j + 2147483648 && 0 <= i) && 2 + j < 2147483466) && 97 <= -1 + i)) || ((((0 <= j + 2147483648 && 2 + j < 2147483616) && j <= 154) && 0 <= i) && 76 <= -1 + i)) || ((((j <= 118 && 0 <= j + 2147483648) && 0 <= i) && 58 <= -1 + i) && 2 + j < 2147483580)) || ((((0 <= j + 2147483648 && 0 <= i) && 46 <= -1 + i) && 2 + j < 2147483556) && j <= 94)) || ((((0 <= j + 2147483648 && 70 <= -1 + i) && 0 <= i) && j <= 142) && 2 + j < 2147483604)) || (((0 <= j + 2147483648 && j <= 8) && 3 <= -1 + i) && 0 <= i)) || ((((0 <= j + 2147483648 && 2 + j < 2147483558) && 0 <= i) && j <= 96) && 47 <= -1 + i)) || ((((0 <= j + 2147483648 && 20 <= -1 + i) && j <= 42) && 0 <= i) && 2 + j <= 2147483647)) || ((((0 <= j + 2147483648 && 41 <= -1 + i) && 0 <= i) && 2 + j < 2147483642) && j <= 84)) || ((((1 <= -1 + i && 0 <= j + 2147483648) && j <= 4) && 0 <= i) && 2 + j < 2147483646)) || (((0 <= j + 2147483648 && j <= 188) && 0 <= i) && 93 <= -1 + i)) || ((((0 <= j + 2147483648 && 2 + j < 2147483638) && j <= 32) && 15 <= -1 + i) && 0 <= i)) || (((98 <= -1 + i && 0 <= j + 2147483648) && 2 + j < 2147483468) && 0 <= i)) || ((((0 <= j + 2147483648 && 17 <= -1 + i) && 0 <= i) && 2 + j < 2147483642) && j <= 36)) || ((((0 <= j + 2147483648 && j <= 136) && 2 + j < 2147483598) && 0 <= i) && 67 <= -1 + i)) || (((0 <= j + 2147483648 && 0 <= i) && j <= 2) && 0 <= -1 + i)) || ((((0 <= j + 2147483648 && j <= 106) && 0 <= i) && 2 + j < 2147483568) && 52 <= -1 + i)) || ((((0 <= j + 2147483648 && j <= 184) && 0 <= i) && 2 + j < 2147483646) && 91 <= -1 + i)) || ((((2 + j < 2147483626 && 0 <= j + 2147483648) && 0 <= i) && j <= 68) && 33 <= -1 + i)) || ((((0 <= j + 2147483648 && 2 + j < 2147483640) && 88 <= -1 + i) && 0 <= i) && j <= 178)) || ((((0 <= j + 2147483648 && 64 <= -1 + i) && 0 <= i) && 2 + j < 2147483592) && j <= 130)) || ((((j <= 58 && 0 <= j + 2147483648) && 2 + j < 2147483616) && 28 <= -1 + i) && 0 <= i)) || ((((0 <= j + 2147483648 && j <= 114) && 2 + j < 2147483576) && 0 <= i) && 56 <= -1 + i)) || ((((0 <= j + 2147483648 && j <= 172) && 0 <= i) && 85 <= -1 + i) && 2 + j < 2147483634)) || ((((2 + j < 2147483628 && 0 <= j + 2147483648) && 34 <= -1 + i) && j <= 70) && 0 <= i)) || ((((0 <= j + 2147483648 && j <= 132) && 2 + j < 2147483594) && 65 <= -1 + i) && 0 <= i)) || ((((0 <= j + 2147483648 && 0 <= i) && 2 + j <= 2147483647) && 2 <= -1 + i) && j <= 6)) || ((((j <= 54 && 0 <= j + 2147483648) && 2 + j < 2147483612) && 26 <= -1 + i) && 0 <= i)) || ((((0 <= j + 2147483648 && 2 + j < 2147483570) && 53 <= -1 + i) && j <= 108) && 0 <= i)) || ((((37 <= -1 + i && 0 <= j + 2147483648) && 0 <= i) && j <= 76) && 2 + j < 2147483634)) || (((0 <= j + 2147483648 && 2 + j < 2147483470) && 0 <= i) && 99 <= -1 + i)) || ((((0 <= j + 2147483648 && j <= 48) && 2 + j < 2147483606) && 23 <= -1 + i) && 0 <= i)) || (((96 <= -1 + i && 0 <= j + 2147483648) && 2 + j < 2147483464) && 0 <= i)) || ((((8 <= -1 + i && 0 <= j + 2147483648) && j <= 18) && 0 <= i) && 2 + j <= 2147483647)) || ((((0 <= j + 2147483648 && 13 <= -1 + i) && 0 <= i) && j <= 28) && 2 + j < 2147483634)) || ((((39 <= -1 + i && 0 <= j + 2147483648) && 2 + j < 2147483638) && j <= 80) && 0 <= i)) || ((((0 <= j + 2147483648 && 0 <= i) && j <= 186) && 2 + j <= 2147483647) && 92 <= -1 + i)) || ((((0 <= j + 2147483648 && 0 <= i) && j <= 168) && 83 <= -1 + i) && 2 + j < 2147483630)) || ((((0 <= j + 2147483648 && 12 <= -1 + i) && 2 + j < 2147483632) && 0 <= i) && j <= 26)) || ((((0 <= j + 2147483648 && 0 <= i) && j <= 16) && 2 + j < 2147483646) && 7 <= -1 + i)) || (((0 <= j + 2147483648 && 21 <= -1 + i) && 0 <= i) && j <= 44)) || ((((0 <= j + 2147483648 && 2 + j < 2147483624) && 80 <= -1 + i) && 0 <= i) && j <= 162)) || ((((0 <= j + 2147483648 && 2 + j < 2147483614) && 0 <= i) && 75 <= -1 + i) && j <= 152)) || ((((54 <= -1 + i && 0 <= j + 2147483648) && 2 + j < 2147483572) && 0 <= i) && j <= 110)) || ((((0 <= j + 2147483648 && 36 <= -1 + i) && 2 + j < 2147483632) && 0 <= i) && j <= 74)) || ((((0 <= j + 2147483648 && j <= 182) && 90 <= -1 + i) && 0 <= i) && 2 + j < 2147483644)) || ((((0 <= j + 2147483648 && 50 <= -1 + i) && j <= 102) && 2 + j < 2147483564) && 0 <= i)) || ((((0 <= j + 2147483648 && j <= 64) && 2 + j < 2147483622) && 31 <= -1 + i) && 0 <= i)) || ((((0 <= j + 2147483648 && 16 <= -1 + i) && 2 + j < 2147483640) && j <= 34) && 0 <= i)) || ((((2 + j < 2147483582 && j <= 120) && 0 <= j + 2147483648) && 0 <= i) && 59 <= -1 + i)) || ((((0 <= j + 2147483648 && 2 + j < 2147483624) && j <= 66) && 0 <= i) && 32 <= -1 + i)) || ((((0 <= j + 2147483648 && j <= 14) && 0 <= i) && 6 <= -1 + i) && 2 + j < 2147483644)) || (((0 <= j + 2147483648 && 2 + j < 2147483460) && 94 <= -1 + i) && 0 <= i)) || ((((2 + j < 2147483628 && 0 <= j + 2147483648) && 10 <= -1 + i) && j <= 22) && 0 <= i)) || ((((0 <= j + 2147483648 && j <= 24) && 11 <= -1 + i) && 0 <= i) && 2 + j < 2147483630)) || ((((j <= 72 && 0 <= j + 2147483648) && 0 <= i) && 2 + j < 2147483630) && 35 <= -1 + i) RESULT: Ultimate proved your program to be correct! [2023-02-18 07:45:53,787 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