./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/bitvector/s3_srvr_3a_alt.BV.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b5317dae 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/bitvector/s3_srvr_3a_alt.BV.c.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-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 ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c802d0dd4f8edaf03f1251784a424c8f295192f6a4e7c65ec93469eacce08251 --- Real Ultimate output --- This is Ultimate 0.2.2-?-b5317da-m [2023-02-16 00:43:01,228 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-16 00:43:01,229 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-16 00:43:01,247 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-16 00:43:01,247 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-16 00:43:01,248 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-16 00:43:01,249 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-16 00:43:01,250 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-16 00:43:01,251 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-16 00:43:01,251 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-16 00:43:01,252 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-16 00:43:01,252 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-16 00:43:01,253 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-16 00:43:01,253 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-16 00:43:01,254 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-16 00:43:01,255 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-16 00:43:01,255 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-16 00:43:01,256 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-16 00:43:01,257 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-16 00:43:01,258 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-16 00:43:01,259 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-16 00:43:01,260 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-16 00:43:01,261 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-16 00:43:01,262 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-16 00:43:01,264 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-16 00:43:01,264 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-16 00:43:01,264 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-16 00:43:01,265 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-16 00:43:01,265 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-16 00:43:01,266 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-16 00:43:01,266 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-16 00:43:01,267 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-16 00:43:01,267 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-16 00:43:01,268 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-16 00:43:01,273 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-16 00:43:01,273 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-16 00:43:01,274 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-16 00:43:01,274 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-16 00:43:01,274 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-16 00:43:01,275 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-16 00:43:01,275 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-16 00:43:01,276 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-02-16 00:43:01,296 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-16 00:43:01,296 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-16 00:43:01,297 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-16 00:43:01,297 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-16 00:43:01,297 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-16 00:43:01,297 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-16 00:43:01,298 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-16 00:43:01,298 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-16 00:43:01,298 INFO L138 SettingsManager]: * Use SBE=true [2023-02-16 00:43:01,298 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-16 00:43:01,298 INFO L138 SettingsManager]: * sizeof long=4 [2023-02-16 00:43:01,299 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-16 00:43:01,299 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-02-16 00:43:01,299 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-16 00:43:01,299 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-02-16 00:43:01,299 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-16 00:43:01,299 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-02-16 00:43:01,299 INFO L138 SettingsManager]: * sizeof long double=12 [2023-02-16 00:43:01,299 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-16 00:43:01,300 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-16 00:43:01,300 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-02-16 00:43:01,300 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-16 00:43:01,300 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-16 00:43:01,300 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-16 00:43:01,300 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-16 00:43:01,300 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-16 00:43:01,301 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-16 00:43:01,301 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-02-16 00:43:01,301 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-16 00:43:01,301 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-02-16 00:43:01,301 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-16 00:43:01,301 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-02-16 00:43:01,301 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-16 00:43:01,302 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-16 00:43:01,302 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-16 00:43:01,302 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c802d0dd4f8edaf03f1251784a424c8f295192f6a4e7c65ec93469eacce08251 [2023-02-16 00:43:01,527 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-16 00:43:01,548 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-16 00:43:01,551 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-16 00:43:01,552 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-16 00:43:01,552 INFO L275 PluginConnector]: CDTParser initialized [2023-02-16 00:43:01,553 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector/s3_srvr_3a_alt.BV.c.cil.c [2023-02-16 00:43:02,632 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-16 00:43:02,850 INFO L351 CDTParser]: Found 1 translation units. [2023-02-16 00:43:02,851 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/s3_srvr_3a_alt.BV.c.cil.c [2023-02-16 00:43:02,868 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5bc829318/b5615a68ba8245c0b4d278748b2b24e6/FLAGc227cd373 [2023-02-16 00:43:02,880 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5bc829318/b5615a68ba8245c0b4d278748b2b24e6 [2023-02-16 00:43:02,882 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-16 00:43:02,883 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-16 00:43:02,884 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-16 00:43:02,884 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-16 00:43:02,888 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-16 00:43:02,889 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.02 12:43:02" (1/1) ... [2023-02-16 00:43:02,890 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ad7f508 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 12:43:02, skipping insertion in model container [2023-02-16 00:43:02,890 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.02 12:43:02" (1/1) ... [2023-02-16 00:43:02,895 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-16 00:43:02,932 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-16 00:43:03,062 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/bitvector/s3_srvr_3a_alt.BV.c.cil.c[44628,44641] [2023-02-16 00:43:03,069 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-16 00:43:03,076 INFO L203 MainTranslator]: Completed pre-run [2023-02-16 00:43:03,115 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/bitvector/s3_srvr_3a_alt.BV.c.cil.c[44628,44641] [2023-02-16 00:43:03,127 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-16 00:43:03,136 INFO L208 MainTranslator]: Completed translation [2023-02-16 00:43:03,137 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 12:43:03 WrapperNode [2023-02-16 00:43:03,137 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-16 00:43:03,138 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-16 00:43:03,138 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-16 00:43:03,138 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-16 00:43:03,143 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 12:43:03" (1/1) ... [2023-02-16 00:43:03,150 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 12:43:03" (1/1) ... [2023-02-16 00:43:03,186 INFO L138 Inliner]: procedures = 15, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 522 [2023-02-16 00:43:03,186 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-16 00:43:03,186 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-16 00:43:03,187 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-16 00:43:03,187 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-16 00:43:03,203 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 12:43:03" (1/1) ... [2023-02-16 00:43:03,208 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 12:43:03" (1/1) ... [2023-02-16 00:43:03,210 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 12:43:03" (1/1) ... [2023-02-16 00:43:03,219 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 12:43:03" (1/1) ... [2023-02-16 00:43:03,225 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 12:43:03" (1/1) ... [2023-02-16 00:43:03,237 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 12:43:03" (1/1) ... [2023-02-16 00:43:03,254 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 12:43:03" (1/1) ... [2023-02-16 00:43:03,256 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 12:43:03" (1/1) ... [2023-02-16 00:43:03,259 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-16 00:43:03,259 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-16 00:43:03,259 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-16 00:43:03,259 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-16 00:43:03,260 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 12:43:03" (1/1) ... [2023-02-16 00:43:03,264 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-16 00:43:03,274 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 00:43:03,285 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) [2023-02-16 00:43:03,309 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 [2023-02-16 00:43:03,321 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-02-16 00:43:03,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-02-16 00:43:03,321 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-16 00:43:03,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-16 00:43:03,402 INFO L235 CfgBuilder]: Building ICFG [2023-02-16 00:43:03,404 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-16 00:43:03,425 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-02-16 00:43:03,884 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2023-02-16 00:43:03,885 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2023-02-16 00:43:03,885 INFO L276 CfgBuilder]: Performing block encoding [2023-02-16 00:43:03,891 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-16 00:43:03,891 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2023-02-16 00:43:03,893 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.02 12:43:03 BoogieIcfgContainer [2023-02-16 00:43:03,893 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-16 00:43:03,896 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-02-16 00:43:03,897 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-02-16 00:43:03,900 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-02-16 00:43:03,901 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.02 12:43:02" (1/3) ... [2023-02-16 00:43:03,902 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60931f3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.02 12:43:03, skipping insertion in model container [2023-02-16 00:43:03,902 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 12:43:03" (2/3) ... [2023-02-16 00:43:03,902 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60931f3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.02 12:43:03, skipping insertion in model container [2023-02-16 00:43:03,903 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.02 12:43:03" (3/3) ... [2023-02-16 00:43:03,905 INFO L112 eAbstractionObserver]: Analyzing ICFG s3_srvr_3a_alt.BV.c.cil.c [2023-02-16 00:43:03,922 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-02-16 00:43:03,922 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-02-16 00:43:03,959 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-02-16 00:43:03,965 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;@6d84e737, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-02-16 00:43:03,965 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-02-16 00:43:03,968 INFO L276 IsEmpty]: Start isEmpty. Operand has 138 states, 136 states have (on average 1.7426470588235294) internal successors, (237), 137 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) [2023-02-16 00:43:03,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-02-16 00:43:03,975 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 00:43:03,975 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 00:43:03,976 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-16 00:43:03,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 00:43:03,980 INFO L85 PathProgramCache]: Analyzing trace with hash 1632003015, now seen corresponding path program 1 times [2023-02-16 00:43:03,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 00:43:03,986 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511798092] [2023-02-16 00:43:03,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 00:43:03,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 00:43:04,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 00:43:04,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 00:43:04,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 00:43:04,257 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [511798092] [2023-02-16 00:43:04,257 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [511798092] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-16 00:43:04,257 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-16 00:43:04,257 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-16 00:43:04,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075085557] [2023-02-16 00:43:04,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-16 00:43:04,262 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-16 00:43:04,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 00:43:04,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-16 00:43:04,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-16 00:43:04,282 INFO L87 Difference]: Start difference. First operand has 138 states, 136 states have (on average 1.7426470588235294) internal successors, (237), 137 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) Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 00:43:04,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 00:43:04,400 INFO L93 Difference]: Finished difference Result 297 states and 509 transitions. [2023-02-16 00:43:04,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-16 00:43:04,402 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2023-02-16 00:43:04,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 00:43:04,409 INFO L225 Difference]: With dead ends: 297 [2023-02-16 00:43:04,409 INFO L226 Difference]: Without dead ends: 145 [2023-02-16 00:43:04,411 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-16 00:43:04,413 INFO L413 NwaCegarLoop]: 235 mSDtfsCounter, 32 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 359 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-16 00:43:04,414 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 359 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-16 00:43:04,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2023-02-16 00:43:04,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 142. [2023-02-16 00:43:04,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 141 states have (on average 1.524822695035461) internal successors, (215), 141 states have internal predecessors, (215), 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) [2023-02-16 00:43:04,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 215 transitions. [2023-02-16 00:43:04,477 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 215 transitions. Word has length 44 [2023-02-16 00:43:04,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 00:43:04,481 INFO L495 AbstractCegarLoop]: Abstraction has 142 states and 215 transitions. [2023-02-16 00:43:04,481 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 00:43:04,482 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 215 transitions. [2023-02-16 00:43:04,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-02-16 00:43:04,488 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 00:43:04,489 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 00:43:04,489 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-02-16 00:43:04,489 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-16 00:43:04,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 00:43:04,490 INFO L85 PathProgramCache]: Analyzing trace with hash -1722912794, now seen corresponding path program 1 times [2023-02-16 00:43:04,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 00:43:04,490 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481066964] [2023-02-16 00:43:04,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 00:43:04,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 00:43:04,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 00:43:04,613 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 00:43:04,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 00:43:04,614 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [481066964] [2023-02-16 00:43:04,614 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [481066964] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-16 00:43:04,614 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-16 00:43:04,615 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-16 00:43:04,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277647534] [2023-02-16 00:43:04,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-16 00:43:04,616 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-16 00:43:04,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 00:43:04,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-16 00:43:04,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-16 00:43:04,617 INFO L87 Difference]: Start difference. First operand 142 states and 215 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 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) [2023-02-16 00:43:04,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 00:43:04,757 INFO L93 Difference]: Finished difference Result 301 states and 462 transitions. [2023-02-16 00:43:04,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-16 00:43:04,757 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 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 60 [2023-02-16 00:43:04,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 00:43:04,764 INFO L225 Difference]: With dead ends: 301 [2023-02-16 00:43:04,764 INFO L226 Difference]: Without dead ends: 167 [2023-02-16 00:43:04,769 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-16 00:43:04,771 INFO L413 NwaCegarLoop]: 187 mSDtfsCounter, 14 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 283 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-16 00:43:04,773 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 283 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-16 00:43:04,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2023-02-16 00:43:04,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 163. [2023-02-16 00:43:04,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 162 states have (on average 1.4876543209876543) internal successors, (241), 162 states have internal predecessors, (241), 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) [2023-02-16 00:43:04,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 241 transitions. [2023-02-16 00:43:04,786 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 241 transitions. Word has length 60 [2023-02-16 00:43:04,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 00:43:04,788 INFO L495 AbstractCegarLoop]: Abstraction has 163 states and 241 transitions. [2023-02-16 00:43:04,790 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 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) [2023-02-16 00:43:04,790 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 241 transitions. [2023-02-16 00:43:04,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-02-16 00:43:04,795 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 00:43:04,795 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 00:43:04,795 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-02-16 00:43:04,795 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-16 00:43:04,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 00:43:04,797 INFO L85 PathProgramCache]: Analyzing trace with hash -1797387181, now seen corresponding path program 1 times [2023-02-16 00:43:04,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 00:43:04,800 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093834457] [2023-02-16 00:43:04,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 00:43:04,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 00:43:04,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 00:43:04,857 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-02-16 00:43:04,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 00:43:04,858 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1093834457] [2023-02-16 00:43:04,858 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1093834457] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-16 00:43:04,858 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-16 00:43:04,858 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-16 00:43:04,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1565823995] [2023-02-16 00:43:04,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-16 00:43:04,859 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-16 00:43:04,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 00:43:04,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-16 00:43:04,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-16 00:43:04,860 INFO L87 Difference]: Start difference. First operand 163 states and 241 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 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) [2023-02-16 00:43:04,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 00:43:04,968 INFO L93 Difference]: Finished difference Result 345 states and 517 transitions. [2023-02-16 00:43:04,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-16 00:43:04,969 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 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 81 [2023-02-16 00:43:04,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 00:43:04,971 INFO L225 Difference]: With dead ends: 345 [2023-02-16 00:43:04,971 INFO L226 Difference]: Without dead ends: 190 [2023-02-16 00:43:04,975 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-16 00:43:04,979 INFO L413 NwaCegarLoop]: 200 mSDtfsCounter, 13 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 296 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-16 00:43:04,980 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 296 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-16 00:43:04,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2023-02-16 00:43:05,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 187. [2023-02-16 00:43:05,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 186 states have (on average 1.4516129032258065) internal successors, (270), 186 states have internal predecessors, (270), 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) [2023-02-16 00:43:05,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 270 transitions. [2023-02-16 00:43:05,003 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 270 transitions. Word has length 81 [2023-02-16 00:43:05,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 00:43:05,003 INFO L495 AbstractCegarLoop]: Abstraction has 187 states and 270 transitions. [2023-02-16 00:43:05,003 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 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) [2023-02-16 00:43:05,003 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 270 transitions. [2023-02-16 00:43:05,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-02-16 00:43:05,007 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 00:43:05,008 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 00:43:05,008 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-02-16 00:43:05,008 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-16 00:43:05,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 00:43:05,009 INFO L85 PathProgramCache]: Analyzing trace with hash -2045533675, now seen corresponding path program 1 times [2023-02-16 00:43:05,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 00:43:05,009 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067196341] [2023-02-16 00:43:05,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 00:43:05,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 00:43:05,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 00:43:05,082 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-02-16 00:43:05,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 00:43:05,082 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067196341] [2023-02-16 00:43:05,083 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1067196341] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-16 00:43:05,084 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-16 00:43:05,084 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-16 00:43:05,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442500342] [2023-02-16 00:43:05,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-16 00:43:05,085 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-16 00:43:05,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 00:43:05,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-16 00:43:05,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-16 00:43:05,086 INFO L87 Difference]: Start difference. First operand 187 states and 270 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 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) [2023-02-16 00:43:05,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 00:43:05,206 INFO L93 Difference]: Finished difference Result 411 states and 610 transitions. [2023-02-16 00:43:05,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-16 00:43:05,207 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 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 81 [2023-02-16 00:43:05,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 00:43:05,209 INFO L225 Difference]: With dead ends: 411 [2023-02-16 00:43:05,211 INFO L226 Difference]: Without dead ends: 232 [2023-02-16 00:43:05,211 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-16 00:43:05,218 INFO L413 NwaCegarLoop]: 187 mSDtfsCounter, 15 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 283 SdHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-16 00:43:05,219 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 283 Invalid, 160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-16 00:43:05,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2023-02-16 00:43:05,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 228. [2023-02-16 00:43:05,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 227 states have (on average 1.3920704845814977) internal successors, (316), 227 states have internal predecessors, (316), 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) [2023-02-16 00:43:05,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 316 transitions. [2023-02-16 00:43:05,238 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 316 transitions. Word has length 81 [2023-02-16 00:43:05,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 00:43:05,239 INFO L495 AbstractCegarLoop]: Abstraction has 228 states and 316 transitions. [2023-02-16 00:43:05,239 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 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) [2023-02-16 00:43:05,240 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 316 transitions. [2023-02-16 00:43:05,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-02-16 00:43:05,240 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 00:43:05,241 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 00:43:05,241 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-02-16 00:43:05,241 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-16 00:43:05,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 00:43:05,242 INFO L85 PathProgramCache]: Analyzing trace with hash 755662145, now seen corresponding path program 1 times [2023-02-16 00:43:05,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 00:43:05,242 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547892290] [2023-02-16 00:43:05,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 00:43:05,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 00:43:05,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 00:43:05,340 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-02-16 00:43:05,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 00:43:05,341 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547892290] [2023-02-16 00:43:05,341 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [547892290] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-16 00:43:05,341 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-16 00:43:05,341 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-16 00:43:05,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358218752] [2023-02-16 00:43:05,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-16 00:43:05,357 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-16 00:43:05,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 00:43:05,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-16 00:43:05,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-16 00:43:05,358 INFO L87 Difference]: Start difference. First operand 228 states and 316 transitions. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 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) [2023-02-16 00:43:05,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 00:43:05,460 INFO L93 Difference]: Finished difference Result 485 states and 686 transitions. [2023-02-16 00:43:05,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-16 00:43:05,460 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 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 101 [2023-02-16 00:43:05,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 00:43:05,463 INFO L225 Difference]: With dead ends: 485 [2023-02-16 00:43:05,463 INFO L226 Difference]: Without dead ends: 265 [2023-02-16 00:43:05,463 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-16 00:43:05,464 INFO L413 NwaCegarLoop]: 202 mSDtfsCounter, 29 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 298 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-16 00:43:05,464 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 298 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-16 00:43:05,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2023-02-16 00:43:05,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 253. [2023-02-16 00:43:05,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 253 states, 252 states have (on average 1.373015873015873) internal successors, (346), 252 states have internal predecessors, (346), 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) [2023-02-16 00:43:05,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 346 transitions. [2023-02-16 00:43:05,476 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 346 transitions. Word has length 101 [2023-02-16 00:43:05,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 00:43:05,477 INFO L495 AbstractCegarLoop]: Abstraction has 253 states and 346 transitions. [2023-02-16 00:43:05,478 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 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) [2023-02-16 00:43:05,478 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 346 transitions. [2023-02-16 00:43:05,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-02-16 00:43:05,479 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 00:43:05,480 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 00:43:05,481 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-02-16 00:43:05,482 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-16 00:43:05,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 00:43:05,482 INFO L85 PathProgramCache]: Analyzing trace with hash -687746511, now seen corresponding path program 1 times [2023-02-16 00:43:05,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 00:43:05,482 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292179942] [2023-02-16 00:43:05,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 00:43:05,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 00:43:05,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 00:43:05,537 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-02-16 00:43:05,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 00:43:05,537 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [292179942] [2023-02-16 00:43:05,537 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [292179942] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-16 00:43:05,538 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-16 00:43:05,538 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-16 00:43:05,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465783559] [2023-02-16 00:43:05,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-16 00:43:05,539 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-16 00:43:05,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 00:43:05,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-16 00:43:05,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-16 00:43:05,539 INFO L87 Difference]: Start difference. First operand 253 states and 346 transitions. Second operand has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 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) [2023-02-16 00:43:05,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 00:43:05,563 INFO L93 Difference]: Finished difference Result 739 states and 1011 transitions. [2023-02-16 00:43:05,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-16 00:43:05,563 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 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 121 [2023-02-16 00:43:05,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 00:43:05,565 INFO L225 Difference]: With dead ends: 739 [2023-02-16 00:43:05,565 INFO L226 Difference]: Without dead ends: 494 [2023-02-16 00:43:05,565 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-16 00:43:05,566 INFO L413 NwaCegarLoop]: 306 mSDtfsCounter, 131 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 487 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-16 00:43:05,567 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 487 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-16 00:43:05,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 494 states. [2023-02-16 00:43:05,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 494 to 494. [2023-02-16 00:43:05,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 494 states, 493 states have (on average 1.3630831643002028) internal successors, (672), 493 states have internal predecessors, (672), 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) [2023-02-16 00:43:05,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 494 states and 672 transitions. [2023-02-16 00:43:05,577 INFO L78 Accepts]: Start accepts. Automaton has 494 states and 672 transitions. Word has length 121 [2023-02-16 00:43:05,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 00:43:05,577 INFO L495 AbstractCegarLoop]: Abstraction has 494 states and 672 transitions. [2023-02-16 00:43:05,577 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 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) [2023-02-16 00:43:05,577 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 672 transitions. [2023-02-16 00:43:05,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-02-16 00:43:05,579 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 00:43:05,579 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 00:43:05,579 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-02-16 00:43:05,579 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-16 00:43:05,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 00:43:05,579 INFO L85 PathProgramCache]: Analyzing trace with hash 209646767, now seen corresponding path program 1 times [2023-02-16 00:43:05,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 00:43:05,580 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677905389] [2023-02-16 00:43:05,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 00:43:05,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 00:43:05,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 00:43:05,657 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-02-16 00:43:05,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 00:43:05,658 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677905389] [2023-02-16 00:43:05,658 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1677905389] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-16 00:43:05,658 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-16 00:43:05,658 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-16 00:43:05,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1799219801] [2023-02-16 00:43:05,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-16 00:43:05,659 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-16 00:43:05,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 00:43:05,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-16 00:43:05,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-16 00:43:05,660 INFO L87 Difference]: Start difference. First operand 494 states and 672 transitions. Second operand has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 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) [2023-02-16 00:43:05,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 00:43:05,684 INFO L93 Difference]: Finished difference Result 1219 states and 1660 transitions. [2023-02-16 00:43:05,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-16 00:43:05,684 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 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 121 [2023-02-16 00:43:05,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 00:43:05,687 INFO L225 Difference]: With dead ends: 1219 [2023-02-16 00:43:05,687 INFO L226 Difference]: Without dead ends: 733 [2023-02-16 00:43:05,688 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-16 00:43:05,688 INFO L413 NwaCegarLoop]: 272 mSDtfsCounter, 129 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 453 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-16 00:43:05,689 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 453 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-16 00:43:05,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 733 states. [2023-02-16 00:43:05,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 733 to 733. [2023-02-16 00:43:05,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 733 states, 732 states have (on average 1.3592896174863387) internal successors, (995), 732 states have internal predecessors, (995), 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) [2023-02-16 00:43:05,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 733 states and 995 transitions. [2023-02-16 00:43:05,705 INFO L78 Accepts]: Start accepts. Automaton has 733 states and 995 transitions. Word has length 121 [2023-02-16 00:43:05,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 00:43:05,705 INFO L495 AbstractCegarLoop]: Abstraction has 733 states and 995 transitions. [2023-02-16 00:43:05,706 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 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) [2023-02-16 00:43:05,706 INFO L276 IsEmpty]: Start isEmpty. Operand 733 states and 995 transitions. [2023-02-16 00:43:05,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-02-16 00:43:05,707 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 00:43:05,707 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 00:43:05,707 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-02-16 00:43:05,708 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-16 00:43:05,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 00:43:05,708 INFO L85 PathProgramCache]: Analyzing trace with hash 1728089839, now seen corresponding path program 1 times [2023-02-16 00:43:05,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 00:43:05,708 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922354986] [2023-02-16 00:43:05,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 00:43:05,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 00:43:05,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 00:43:05,764 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2023-02-16 00:43:05,764 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 00:43:05,764 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [922354986] [2023-02-16 00:43:05,764 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [922354986] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-16 00:43:05,764 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-16 00:43:05,764 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-16 00:43:05,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749815607] [2023-02-16 00:43:05,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-16 00:43:05,765 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-16 00:43:05,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 00:43:05,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-16 00:43:05,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-16 00:43:05,766 INFO L87 Difference]: Start difference. First operand 733 states and 995 transitions. Second operand has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 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) [2023-02-16 00:43:05,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 00:43:05,787 INFO L93 Difference]: Finished difference Result 1482 states and 2008 transitions. [2023-02-16 00:43:05,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-16 00:43:05,787 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 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 121 [2023-02-16 00:43:05,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 00:43:05,790 INFO L225 Difference]: With dead ends: 1482 [2023-02-16 00:43:05,790 INFO L226 Difference]: Without dead ends: 757 [2023-02-16 00:43:05,792 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-16 00:43:05,795 INFO L413 NwaCegarLoop]: 201 mSDtfsCounter, 10 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 382 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-16 00:43:05,795 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 382 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-16 00:43:05,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 757 states. [2023-02-16 00:43:05,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 757 to 757. [2023-02-16 00:43:05,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 757 states, 756 states have (on average 1.3544973544973544) internal successors, (1024), 756 states have internal predecessors, (1024), 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) [2023-02-16 00:43:05,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 757 states to 757 states and 1024 transitions. [2023-02-16 00:43:05,814 INFO L78 Accepts]: Start accepts. Automaton has 757 states and 1024 transitions. Word has length 121 [2023-02-16 00:43:05,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 00:43:05,814 INFO L495 AbstractCegarLoop]: Abstraction has 757 states and 1024 transitions. [2023-02-16 00:43:05,815 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 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) [2023-02-16 00:43:05,815 INFO L276 IsEmpty]: Start isEmpty. Operand 757 states and 1024 transitions. [2023-02-16 00:43:05,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-02-16 00:43:05,817 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 00:43:05,817 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 00:43:05,817 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-02-16 00:43:05,817 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-16 00:43:05,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 00:43:05,818 INFO L85 PathProgramCache]: Analyzing trace with hash -305304207, now seen corresponding path program 1 times [2023-02-16 00:43:05,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 00:43:05,818 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540210160] [2023-02-16 00:43:05,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 00:43:05,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 00:43:05,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 00:43:05,852 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2023-02-16 00:43:05,853 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 00:43:05,853 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [540210160] [2023-02-16 00:43:05,853 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [540210160] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-16 00:43:05,853 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-16 00:43:05,853 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-16 00:43:05,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378765861] [2023-02-16 00:43:05,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-16 00:43:05,854 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-16 00:43:05,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 00:43:05,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-16 00:43:05,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-16 00:43:05,855 INFO L87 Difference]: Start difference. First operand 757 states and 1024 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 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) [2023-02-16 00:43:05,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 00:43:05,875 INFO L93 Difference]: Finished difference Result 1519 states and 2050 transitions. [2023-02-16 00:43:05,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-16 00:43:05,875 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 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 121 [2023-02-16 00:43:05,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 00:43:05,878 INFO L225 Difference]: With dead ends: 1519 [2023-02-16 00:43:05,878 INFO L226 Difference]: Without dead ends: 770 [2023-02-16 00:43:05,879 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-16 00:43:05,881 INFO L413 NwaCegarLoop]: 191 mSDtfsCounter, 6 mSDsluCounter, 171 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 362 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-16 00:43:05,881 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 362 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-16 00:43:05,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 770 states. [2023-02-16 00:43:05,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 770 to 770. [2023-02-16 00:43:05,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 770 states, 769 states have (on average 1.3485045513654097) internal successors, (1037), 769 states have internal predecessors, (1037), 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) [2023-02-16 00:43:05,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 770 states to 770 states and 1037 transitions. [2023-02-16 00:43:05,896 INFO L78 Accepts]: Start accepts. Automaton has 770 states and 1037 transitions. Word has length 121 [2023-02-16 00:43:05,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 00:43:05,897 INFO L495 AbstractCegarLoop]: Abstraction has 770 states and 1037 transitions. [2023-02-16 00:43:05,897 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 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) [2023-02-16 00:43:05,897 INFO L276 IsEmpty]: Start isEmpty. Operand 770 states and 1037 transitions. [2023-02-16 00:43:05,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2023-02-16 00:43:05,899 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 00:43:05,899 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 00:43:05,899 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-02-16 00:43:05,899 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-16 00:43:05,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 00:43:05,900 INFO L85 PathProgramCache]: Analyzing trace with hash -247255522, now seen corresponding path program 1 times [2023-02-16 00:43:05,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 00:43:05,900 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202275827] [2023-02-16 00:43:05,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 00:43:05,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 00:43:05,918 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-02-16 00:43:05,918 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2127814140] [2023-02-16 00:43:05,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 00:43:05,919 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 00:43:05,919 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 00:43:05,947 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) [2023-02-16 00:43:05,991 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-02-16 00:43:06,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 00:43:06,074 INFO L263 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 2 conjunts are in the unsatisfiable core [2023-02-16 00:43:06,079 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 00:43:06,141 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-02-16 00:43:06,141 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-02-16 00:43:06,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 00:43:06,141 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1202275827] [2023-02-16 00:43:06,141 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-02-16 00:43:06,142 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2127814140] [2023-02-16 00:43:06,142 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2127814140] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-16 00:43:06,142 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-16 00:43:06,142 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-16 00:43:06,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858481249] [2023-02-16 00:43:06,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-16 00:43:06,142 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-16 00:43:06,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 00:43:06,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-16 00:43:06,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-16 00:43:06,143 INFO L87 Difference]: Start difference. First operand 770 states and 1037 transitions. Second operand has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 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) [2023-02-16 00:43:06,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 00:43:06,270 INFO L93 Difference]: Finished difference Result 1632 states and 2247 transitions. [2023-02-16 00:43:06,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-16 00:43:06,271 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 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 159 [2023-02-16 00:43:06,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 00:43:06,274 INFO L225 Difference]: With dead ends: 1632 [2023-02-16 00:43:06,274 INFO L226 Difference]: Without dead ends: 883 [2023-02-16 00:43:06,275 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-16 00:43:06,276 INFO L413 NwaCegarLoop]: 193 mSDtfsCounter, 34 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 283 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-16 00:43:06,276 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 283 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-16 00:43:06,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 883 states. [2023-02-16 00:43:06,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 883 to 852. [2023-02-16 00:43:06,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 852 states, 851 states have (on average 1.3337250293772034) internal successors, (1135), 851 states have internal predecessors, (1135), 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) [2023-02-16 00:43:06,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 852 states to 852 states and 1135 transitions. [2023-02-16 00:43:06,307 INFO L78 Accepts]: Start accepts. Automaton has 852 states and 1135 transitions. Word has length 159 [2023-02-16 00:43:06,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 00:43:06,307 INFO L495 AbstractCegarLoop]: Abstraction has 852 states and 1135 transitions. [2023-02-16 00:43:06,307 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 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) [2023-02-16 00:43:06,308 INFO L276 IsEmpty]: Start isEmpty. Operand 852 states and 1135 transitions. [2023-02-16 00:43:06,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2023-02-16 00:43:06,309 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 00:43:06,310 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 00:43:06,337 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-02-16 00:43:06,515 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-02-16 00:43:06,516 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-16 00:43:06,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 00:43:06,516 INFO L85 PathProgramCache]: Analyzing trace with hash -485577875, now seen corresponding path program 1 times [2023-02-16 00:43:06,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 00:43:06,517 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912283652] [2023-02-16 00:43:06,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 00:43:06,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 00:43:06,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 00:43:06,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 00:43:06,541 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912283652] [2023-02-16 00:43:06,541 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-02-16 00:43:06,541 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [447381130] [2023-02-16 00:43:06,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 00:43:06,541 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 00:43:06,542 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 00:43:06,565 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) [2023-02-16 00:43:06,583 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-02-16 00:43:06,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 00:43:06,671 INFO L263 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 2 conjunts are in the unsatisfiable core [2023-02-16 00:43:06,674 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 00:43:06,692 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2023-02-16 00:43:06,693 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-02-16 00:43:06,693 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [447381130] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-16 00:43:06,693 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-16 00:43:06,693 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-16 00:43:06,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106405227] [2023-02-16 00:43:06,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-16 00:43:06,694 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-16 00:43:06,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 00:43:06,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-16 00:43:06,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-16 00:43:06,695 INFO L87 Difference]: Start difference. First operand 852 states and 1135 transitions. Second operand has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 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) [2023-02-16 00:43:06,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 00:43:06,824 INFO L93 Difference]: Finished difference Result 1850 states and 2535 transitions. [2023-02-16 00:43:06,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-16 00:43:06,825 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 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 171 [2023-02-16 00:43:06,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 00:43:06,828 INFO L225 Difference]: With dead ends: 1850 [2023-02-16 00:43:06,829 INFO L226 Difference]: Without dead ends: 1016 [2023-02-16 00:43:06,830 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-16 00:43:06,831 INFO L413 NwaCegarLoop]: 124 mSDtfsCounter, 156 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-16 00:43:06,831 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [156 Valid, 150 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-16 00:43:06,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1016 states. [2023-02-16 00:43:06,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1016 to 1002. [2023-02-16 00:43:06,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1002 states, 1001 states have (on average 1.3856143856143857) internal successors, (1387), 1001 states have internal predecessors, (1387), 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) [2023-02-16 00:43:06,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1002 states to 1002 states and 1387 transitions. [2023-02-16 00:43:06,854 INFO L78 Accepts]: Start accepts. Automaton has 1002 states and 1387 transitions. Word has length 171 [2023-02-16 00:43:06,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 00:43:06,854 INFO L495 AbstractCegarLoop]: Abstraction has 1002 states and 1387 transitions. [2023-02-16 00:43:06,855 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 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) [2023-02-16 00:43:06,855 INFO L276 IsEmpty]: Start isEmpty. Operand 1002 states and 1387 transitions. [2023-02-16 00:43:06,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2023-02-16 00:43:06,858 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 00:43:06,858 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 00:43:06,877 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-02-16 00:43:07,064 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,SelfDestructingSolverStorable10 [2023-02-16 00:43:07,065 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-16 00:43:07,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 00:43:07,065 INFO L85 PathProgramCache]: Analyzing trace with hash 118327499, now seen corresponding path program 1 times [2023-02-16 00:43:07,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 00:43:07,065 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398990255] [2023-02-16 00:43:07,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 00:43:07,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 00:43:07,076 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-02-16 00:43:07,076 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1502552690] [2023-02-16 00:43:07,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 00:43:07,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 00:43:07,077 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 00:43:07,078 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) [2023-02-16 00:43:07,080 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-02-16 00:43:07,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 00:43:07,153 INFO L263 TraceCheckSpWp]: Trace formula consists of 371 conjuncts, 2 conjunts are in the unsatisfiable core [2023-02-16 00:43:07,156 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 00:43:07,203 INFO L134 CoverageAnalysis]: Checked inductivity of 327 backedges. 227 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-02-16 00:43:07,204 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-02-16 00:43:07,204 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 00:43:07,204 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1398990255] [2023-02-16 00:43:07,204 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-02-16 00:43:07,204 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1502552690] [2023-02-16 00:43:07,204 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1502552690] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-16 00:43:07,204 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-16 00:43:07,204 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-16 00:43:07,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916463571] [2023-02-16 00:43:07,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-16 00:43:07,205 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-16 00:43:07,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 00:43:07,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-16 00:43:07,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-16 00:43:07,206 INFO L87 Difference]: Start difference. First operand 1002 states and 1387 transitions. Second operand has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 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) [2023-02-16 00:43:07,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 00:43:07,342 INFO L93 Difference]: Finished difference Result 2112 states and 2980 transitions. [2023-02-16 00:43:07,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-16 00:43:07,343 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 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 201 [2023-02-16 00:43:07,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 00:43:07,350 INFO L225 Difference]: With dead ends: 2112 [2023-02-16 00:43:07,351 INFO L226 Difference]: Without dead ends: 1098 [2023-02-16 00:43:07,352 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 199 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-16 00:43:07,352 INFO L413 NwaCegarLoop]: 202 mSDtfsCounter, 28 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 292 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-16 00:43:07,353 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 292 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-16 00:43:07,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1098 states. [2023-02-16 00:43:07,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1098 to 1095. [2023-02-16 00:43:07,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1095 states, 1094 states have (on average 1.3720292504570384) internal successors, (1501), 1094 states have internal predecessors, (1501), 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) [2023-02-16 00:43:07,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1095 states to 1095 states and 1501 transitions. [2023-02-16 00:43:07,422 INFO L78 Accepts]: Start accepts. Automaton has 1095 states and 1501 transitions. Word has length 201 [2023-02-16 00:43:07,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 00:43:07,423 INFO L495 AbstractCegarLoop]: Abstraction has 1095 states and 1501 transitions. [2023-02-16 00:43:07,423 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 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) [2023-02-16 00:43:07,423 INFO L276 IsEmpty]: Start isEmpty. Operand 1095 states and 1501 transitions. [2023-02-16 00:43:07,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2023-02-16 00:43:07,425 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 00:43:07,426 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 00:43:07,439 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-02-16 00:43:07,631 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 00:43:07,632 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-16 00:43:07,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 00:43:07,632 INFO L85 PathProgramCache]: Analyzing trace with hash 810941761, now seen corresponding path program 1 times [2023-02-16 00:43:07,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 00:43:07,632 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1234973249] [2023-02-16 00:43:07,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 00:43:07,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 00:43:07,644 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-02-16 00:43:07,645 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [97610713] [2023-02-16 00:43:07,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 00:43:07,645 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 00:43:07,645 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 00:43:07,646 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) [2023-02-16 00:43:07,648 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-02-16 00:43:07,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 00:43:07,734 INFO L263 TraceCheckSpWp]: Trace formula consists of 435 conjuncts, 2 conjunts are in the unsatisfiable core [2023-02-16 00:43:07,736 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 00:43:07,772 INFO L134 CoverageAnalysis]: Checked inductivity of 617 backedges. 319 proven. 0 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2023-02-16 00:43:07,772 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-02-16 00:43:07,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 00:43:07,773 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1234973249] [2023-02-16 00:43:07,773 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-02-16 00:43:07,773 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [97610713] [2023-02-16 00:43:07,773 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [97610713] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-16 00:43:07,773 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-16 00:43:07,773 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-16 00:43:07,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312163277] [2023-02-16 00:43:07,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-16 00:43:07,776 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-16 00:43:07,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 00:43:07,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-16 00:43:07,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-16 00:43:07,777 INFO L87 Difference]: Start difference. First operand 1095 states and 1501 transitions. Second operand has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 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) [2023-02-16 00:43:07,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 00:43:07,873 INFO L93 Difference]: Finished difference Result 2262 states and 3091 transitions. [2023-02-16 00:43:07,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-16 00:43:07,873 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 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 257 [2023-02-16 00:43:07,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 00:43:07,877 INFO L225 Difference]: With dead ends: 2262 [2023-02-16 00:43:07,877 INFO L226 Difference]: Without dead ends: 1090 [2023-02-16 00:43:07,878 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 256 GetRequests, 255 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-16 00:43:07,879 INFO L413 NwaCegarLoop]: 203 mSDtfsCounter, 9 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 299 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-16 00:43:07,880 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 299 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-16 00:43:07,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1090 states. [2023-02-16 00:43:07,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1090 to 1090. [2023-02-16 00:43:07,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1090 states, 1089 states have (on average 1.3663911845730028) internal successors, (1488), 1089 states have internal predecessors, (1488), 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) [2023-02-16 00:43:07,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1090 states to 1090 states and 1488 transitions. [2023-02-16 00:43:07,900 INFO L78 Accepts]: Start accepts. Automaton has 1090 states and 1488 transitions. Word has length 257 [2023-02-16 00:43:07,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 00:43:07,900 INFO L495 AbstractCegarLoop]: Abstraction has 1090 states and 1488 transitions. [2023-02-16 00:43:07,901 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 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) [2023-02-16 00:43:07,901 INFO L276 IsEmpty]: Start isEmpty. Operand 1090 states and 1488 transitions. [2023-02-16 00:43:07,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2023-02-16 00:43:07,903 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 00:43:07,903 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 00:43:07,923 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-02-16 00:43:08,109 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 00:43:08,109 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-16 00:43:08,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 00:43:08,109 INFO L85 PathProgramCache]: Analyzing trace with hash 1622703552, now seen corresponding path program 1 times [2023-02-16 00:43:08,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 00:43:08,110 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806939026] [2023-02-16 00:43:08,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 00:43:08,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 00:43:08,123 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-02-16 00:43:08,124 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [785722483] [2023-02-16 00:43:08,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 00:43:08,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 00:43:08,124 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 00:43:08,133 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) [2023-02-16 00:43:08,136 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-02-16 00:43:08,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 00:43:08,225 INFO L263 TraceCheckSpWp]: Trace formula consists of 456 conjuncts, 3 conjunts are in the unsatisfiable core [2023-02-16 00:43:08,228 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 00:43:08,394 INFO L134 CoverageAnalysis]: Checked inductivity of 654 backedges. 429 proven. 0 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2023-02-16 00:43:08,394 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-02-16 00:43:08,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 00:43:08,394 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806939026] [2023-02-16 00:43:08,394 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-02-16 00:43:08,395 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [785722483] [2023-02-16 00:43:08,395 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [785722483] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-16 00:43:08,395 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-16 00:43:08,395 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-16 00:43:08,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567557175] [2023-02-16 00:43:08,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-16 00:43:08,396 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-16 00:43:08,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 00:43:08,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-16 00:43:08,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-16 00:43:08,397 INFO L87 Difference]: Start difference. First operand 1090 states and 1488 transitions. Second operand has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 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) [2023-02-16 00:43:08,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 00:43:08,437 INFO L93 Difference]: Finished difference Result 3111 states and 4277 transitions. [2023-02-16 00:43:08,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-16 00:43:08,437 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 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 269 [2023-02-16 00:43:08,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 00:43:08,442 INFO L225 Difference]: With dead ends: 3111 [2023-02-16 00:43:08,442 INFO L226 Difference]: Without dead ends: 1383 [2023-02-16 00:43:08,444 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 268 GetRequests, 267 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-16 00:43:08,445 INFO L413 NwaCegarLoop]: 327 mSDtfsCounter, 116 mSDsluCounter, 183 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 510 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-16 00:43:08,446 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 510 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-16 00:43:08,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1383 states. [2023-02-16 00:43:08,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1383 to 1381. [2023-02-16 00:43:08,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1381 states, 1380 states have (on average 1.3695652173913044) internal successors, (1890), 1380 states have internal predecessors, (1890), 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) [2023-02-16 00:43:08,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1381 states to 1381 states and 1890 transitions. [2023-02-16 00:43:08,472 INFO L78 Accepts]: Start accepts. Automaton has 1381 states and 1890 transitions. Word has length 269 [2023-02-16 00:43:08,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 00:43:08,473 INFO L495 AbstractCegarLoop]: Abstraction has 1381 states and 1890 transitions. [2023-02-16 00:43:08,473 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 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) [2023-02-16 00:43:08,473 INFO L276 IsEmpty]: Start isEmpty. Operand 1381 states and 1890 transitions. [2023-02-16 00:43:08,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2023-02-16 00:43:08,476 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 00:43:08,477 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 8, 8, 7, 7, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 00:43:08,496 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-02-16 00:43:08,683 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,SelfDestructingSolverStorable13 [2023-02-16 00:43:08,684 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-16 00:43:08,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 00:43:08,684 INFO L85 PathProgramCache]: Analyzing trace with hash 746936446, now seen corresponding path program 1 times [2023-02-16 00:43:08,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 00:43:08,684 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1154008655] [2023-02-16 00:43:08,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 00:43:08,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 00:43:08,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 00:43:08,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 00:43:08,709 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1154008655] [2023-02-16 00:43:08,709 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-02-16 00:43:08,709 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1828136712] [2023-02-16 00:43:08,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 00:43:08,709 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 00:43:08,709 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 00:43:08,710 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) [2023-02-16 00:43:08,712 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-02-16 00:43:08,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 00:43:08,809 INFO L263 TraceCheckSpWp]: Trace formula consists of 524 conjuncts, 3 conjunts are in the unsatisfiable core [2023-02-16 00:43:08,812 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 00:43:08,836 INFO L134 CoverageAnalysis]: Checked inductivity of 954 backedges. 500 proven. 0 refuted. 0 times theorem prover too weak. 454 trivial. 0 not checked. [2023-02-16 00:43:08,836 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-02-16 00:43:08,836 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1828136712] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-16 00:43:08,837 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-16 00:43:08,837 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-16 00:43:08,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479769225] [2023-02-16 00:43:08,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-16 00:43:08,837 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-16 00:43:08,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 00:43:08,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-16 00:43:08,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-16 00:43:08,838 INFO L87 Difference]: Start difference. First operand 1381 states and 1890 transitions. Second operand has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 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) [2023-02-16 00:43:08,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 00:43:08,941 INFO L93 Difference]: Finished difference Result 2877 states and 3987 transitions. [2023-02-16 00:43:08,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-16 00:43:08,941 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 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 315 [2023-02-16 00:43:08,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 00:43:08,945 INFO L225 Difference]: With dead ends: 2877 [2023-02-16 00:43:08,945 INFO L226 Difference]: Without dead ends: 1517 [2023-02-16 00:43:08,958 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 314 GetRequests, 313 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-16 00:43:08,959 INFO L413 NwaCegarLoop]: 197 mSDtfsCounter, 18 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 293 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-16 00:43:08,959 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 293 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-16 00:43:08,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1517 states. [2023-02-16 00:43:08,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1517 to 1489. [2023-02-16 00:43:08,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1489 states, 1488 states have (on average 1.3561827956989247) internal successors, (2018), 1488 states have internal predecessors, (2018), 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) [2023-02-16 00:43:08,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1489 states to 1489 states and 2018 transitions. [2023-02-16 00:43:08,991 INFO L78 Accepts]: Start accepts. Automaton has 1489 states and 2018 transitions. Word has length 315 [2023-02-16 00:43:08,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 00:43:08,991 INFO L495 AbstractCegarLoop]: Abstraction has 1489 states and 2018 transitions. [2023-02-16 00:43:08,991 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 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) [2023-02-16 00:43:08,991 INFO L276 IsEmpty]: Start isEmpty. Operand 1489 states and 2018 transitions. [2023-02-16 00:43:08,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2023-02-16 00:43:08,995 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 00:43:08,995 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 9, 9, 8, 8, 7, 7, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 00:43:09,009 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-02-16 00:43:09,200 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-02-16 00:43:09,201 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-16 00:43:09,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 00:43:09,201 INFO L85 PathProgramCache]: Analyzing trace with hash -1865013778, now seen corresponding path program 1 times [2023-02-16 00:43:09,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 00:43:09,202 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917128732] [2023-02-16 00:43:09,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 00:43:09,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 00:43:09,219 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-02-16 00:43:09,220 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1531737161] [2023-02-16 00:43:09,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 00:43:09,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 00:43:09,220 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 00:43:09,221 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) [2023-02-16 00:43:09,223 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-02-16 00:43:09,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 00:43:09,322 INFO L263 TraceCheckSpWp]: Trace formula consists of 557 conjuncts, 3 conjunts are in the unsatisfiable core [2023-02-16 00:43:09,324 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 00:43:09,350 INFO L134 CoverageAnalysis]: Checked inductivity of 1151 backedges. 642 proven. 0 refuted. 0 times theorem prover too weak. 509 trivial. 0 not checked. [2023-02-16 00:43:09,350 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-02-16 00:43:09,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 00:43:09,351 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917128732] [2023-02-16 00:43:09,351 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-02-16 00:43:09,351 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1531737161] [2023-02-16 00:43:09,351 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1531737161] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-16 00:43:09,351 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-16 00:43:09,351 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-16 00:43:09,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729046895] [2023-02-16 00:43:09,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-16 00:43:09,352 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-16 00:43:09,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 00:43:09,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-16 00:43:09,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-16 00:43:09,353 INFO L87 Difference]: Start difference. First operand 1489 states and 2018 transitions. Second operand has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 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) [2023-02-16 00:43:09,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 00:43:09,509 INFO L93 Difference]: Finished difference Result 3081 states and 4219 transitions. [2023-02-16 00:43:09,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-16 00:43:09,510 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 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 338 [2023-02-16 00:43:09,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 00:43:09,514 INFO L225 Difference]: With dead ends: 3081 [2023-02-16 00:43:09,515 INFO L226 Difference]: Without dead ends: 1613 [2023-02-16 00:43:09,517 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 337 GetRequests, 336 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-16 00:43:09,517 INFO L413 NwaCegarLoop]: 197 mSDtfsCounter, 11 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 293 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-16 00:43:09,517 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 293 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-16 00:43:09,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1613 states. [2023-02-16 00:43:09,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1613 to 1605. [2023-02-16 00:43:09,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1605 states, 1604 states have (on average 1.3428927680798004) internal successors, (2154), 1604 states have internal predecessors, (2154), 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) [2023-02-16 00:43:09,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1605 states to 1605 states and 2154 transitions. [2023-02-16 00:43:09,546 INFO L78 Accepts]: Start accepts. Automaton has 1605 states and 2154 transitions. Word has length 338 [2023-02-16 00:43:09,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 00:43:09,547 INFO L495 AbstractCegarLoop]: Abstraction has 1605 states and 2154 transitions. [2023-02-16 00:43:09,547 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 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) [2023-02-16 00:43:09,547 INFO L276 IsEmpty]: Start isEmpty. Operand 1605 states and 2154 transitions. [2023-02-16 00:43:09,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 371 [2023-02-16 00:43:09,551 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 00:43:09,552 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 10, 10, 9, 9, 8, 8, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 00:43:09,577 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-02-16 00:43:09,763 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 00:43:09,764 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-16 00:43:09,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 00:43:09,765 INFO L85 PathProgramCache]: Analyzing trace with hash -1876884711, now seen corresponding path program 1 times [2023-02-16 00:43:09,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 00:43:09,766 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485292593] [2023-02-16 00:43:09,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 00:43:09,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 00:43:09,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 00:43:09,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 00:43:09,808 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1485292593] [2023-02-16 00:43:09,808 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-02-16 00:43:09,808 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [809940528] [2023-02-16 00:43:09,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 00:43:09,808 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 00:43:09,808 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 00:43:09,809 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-16 00:43:09,811 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-02-16 00:43:09,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 00:43:09,927 INFO L263 TraceCheckSpWp]: Trace formula consists of 599 conjuncts, 3 conjunts are in the unsatisfiable core [2023-02-16 00:43:09,940 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 00:43:10,004 INFO L134 CoverageAnalysis]: Checked inductivity of 1396 backedges. 905 proven. 26 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2023-02-16 00:43:10,005 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-16 00:43:10,074 INFO L134 CoverageAnalysis]: Checked inductivity of 1396 backedges. 905 proven. 26 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2023-02-16 00:43:10,075 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [809940528] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-16 00:43:10,075 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-02-16 00:43:10,075 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2023-02-16 00:43:10,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367714466] [2023-02-16 00:43:10,075 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-02-16 00:43:10,076 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-02-16 00:43:10,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 00:43:10,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-02-16 00:43:10,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-02-16 00:43:10,077 INFO L87 Difference]: Start difference. First operand 1605 states and 2154 transitions. Second operand has 6 states, 6 states have (on average 40.0) internal successors, (240), 6 states have internal predecessors, (240), 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) [2023-02-16 00:43:10,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 00:43:10,519 INFO L93 Difference]: Finished difference Result 5409 states and 7434 transitions. [2023-02-16 00:43:10,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-02-16 00:43:10,520 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 40.0) internal successors, (240), 6 states have internal predecessors, (240), 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 370 [2023-02-16 00:43:10,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 00:43:10,529 INFO L225 Difference]: With dead ends: 5409 [2023-02-16 00:43:10,529 INFO L226 Difference]: Without dead ends: 3652 [2023-02-16 00:43:10,531 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 746 GetRequests, 738 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2023-02-16 00:43:10,532 INFO L413 NwaCegarLoop]: 187 mSDtfsCounter, 545 mSDsluCounter, 403 mSDsCounter, 0 mSdLazyCounter, 481 mSolverCounterSat, 130 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 545 SdHoareTripleChecker+Valid, 590 SdHoareTripleChecker+Invalid, 611 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 130 IncrementalHoareTripleChecker+Valid, 481 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-02-16 00:43:10,532 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [545 Valid, 590 Invalid, 611 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [130 Valid, 481 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-02-16 00:43:10,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3652 states. [2023-02-16 00:43:10,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3652 to 2133. [2023-02-16 00:43:10,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2133 states, 2132 states have (on average 1.420731707317073) internal successors, (3029), 2132 states have internal predecessors, (3029), 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) [2023-02-16 00:43:10,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2133 states to 2133 states and 3029 transitions. [2023-02-16 00:43:10,574 INFO L78 Accepts]: Start accepts. Automaton has 2133 states and 3029 transitions. Word has length 370 [2023-02-16 00:43:10,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 00:43:10,574 INFO L495 AbstractCegarLoop]: Abstraction has 2133 states and 3029 transitions. [2023-02-16 00:43:10,574 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 40.0) internal successors, (240), 6 states have internal predecessors, (240), 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) [2023-02-16 00:43:10,574 INFO L276 IsEmpty]: Start isEmpty. Operand 2133 states and 3029 transitions. [2023-02-16 00:43:10,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 471 [2023-02-16 00:43:10,579 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 00:43:10,579 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 13, 13, 12, 12, 11, 11, 10, 10, 10, 10, 8, 6, 6, 6, 6, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 00:43:10,593 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-02-16 00:43:10,784 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2023-02-16 00:43:10,785 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-16 00:43:10,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 00:43:10,786 INFO L85 PathProgramCache]: Analyzing trace with hash 1752367566, now seen corresponding path program 1 times [2023-02-16 00:43:10,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 00:43:10,786 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430958835] [2023-02-16 00:43:10,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 00:43:10,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 00:43:10,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 00:43:10,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 00:43:10,870 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430958835] [2023-02-16 00:43:10,870 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-02-16 00:43:10,871 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1544287016] [2023-02-16 00:43:10,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 00:43:10,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 00:43:10,871 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 00:43:10,887 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-16 00:43:10,888 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-02-16 00:43:11,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 00:43:11,011 INFO L263 TraceCheckSpWp]: Trace formula consists of 737 conjuncts, 3 conjunts are in the unsatisfiable core [2023-02-16 00:43:11,014 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 00:43:11,051 INFO L134 CoverageAnalysis]: Checked inductivity of 2338 backedges. 1323 proven. 0 refuted. 0 times theorem prover too weak. 1015 trivial. 0 not checked. [2023-02-16 00:43:11,051 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-02-16 00:43:11,051 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1544287016] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-16 00:43:11,051 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-16 00:43:11,051 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-16 00:43:11,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585671958] [2023-02-16 00:43:11,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-16 00:43:11,052 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-16 00:43:11,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 00:43:11,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-16 00:43:11,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-16 00:43:11,053 INFO L87 Difference]: Start difference. First operand 2133 states and 3029 transitions. Second operand has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 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) [2023-02-16 00:43:11,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 00:43:11,182 INFO L93 Difference]: Finished difference Result 4569 states and 6591 transitions. [2023-02-16 00:43:11,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-16 00:43:11,183 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 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 470 [2023-02-16 00:43:11,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 00:43:11,189 INFO L225 Difference]: With dead ends: 4569 [2023-02-16 00:43:11,189 INFO L226 Difference]: Without dead ends: 2457 [2023-02-16 00:43:11,193 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 469 GetRequests, 468 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-16 00:43:11,193 INFO L413 NwaCegarLoop]: 197 mSDtfsCounter, 11 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 293 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-16 00:43:11,193 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 293 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-16 00:43:11,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2457 states. [2023-02-16 00:43:11,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2457 to 2439. [2023-02-16 00:43:11,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2439 states, 2438 states have (on average 1.3863822805578343) internal successors, (3380), 2438 states have internal predecessors, (3380), 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) [2023-02-16 00:43:11,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2439 states to 2439 states and 3380 transitions. [2023-02-16 00:43:11,234 INFO L78 Accepts]: Start accepts. Automaton has 2439 states and 3380 transitions. Word has length 470 [2023-02-16 00:43:11,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 00:43:11,235 INFO L495 AbstractCegarLoop]: Abstraction has 2439 states and 3380 transitions. [2023-02-16 00:43:11,235 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 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) [2023-02-16 00:43:11,235 INFO L276 IsEmpty]: Start isEmpty. Operand 2439 states and 3380 transitions. [2023-02-16 00:43:11,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 533 [2023-02-16 00:43:11,238 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 00:43:11,239 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 16, 16, 16, 16, 16, 15, 15, 14, 14, 13, 13, 12, 12, 12, 12, 10, 8, 8, 6, 6, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 00:43:11,255 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-02-16 00:43:11,444 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-02-16 00:43:11,445 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-16 00:43:11,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 00:43:11,445 INFO L85 PathProgramCache]: Analyzing trace with hash -742298620, now seen corresponding path program 1 times [2023-02-16 00:43:11,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 00:43:11,446 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671401746] [2023-02-16 00:43:11,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 00:43:11,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 00:43:11,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 00:43:11,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 00:43:11,514 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1671401746] [2023-02-16 00:43:11,514 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-02-16 00:43:11,514 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1332951069] [2023-02-16 00:43:11,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 00:43:11,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 00:43:11,514 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 00:43:11,530 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-16 00:43:11,540 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-02-16 00:43:11,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 00:43:11,680 INFO L263 TraceCheckSpWp]: Trace formula consists of 819 conjuncts, 3 conjunts are in the unsatisfiable core [2023-02-16 00:43:11,684 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 00:43:11,722 INFO L134 CoverageAnalysis]: Checked inductivity of 3103 backedges. 1760 proven. 0 refuted. 0 times theorem prover too weak. 1343 trivial. 0 not checked. [2023-02-16 00:43:11,722 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-02-16 00:43:11,723 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1332951069] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-16 00:43:11,723 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-16 00:43:11,723 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-16 00:43:11,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431096885] [2023-02-16 00:43:11,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-16 00:43:11,725 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-16 00:43:11,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 00:43:11,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-16 00:43:11,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-16 00:43:11,726 INFO L87 Difference]: Start difference. First operand 2439 states and 3380 transitions. Second operand has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 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) [2023-02-16 00:43:11,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 00:43:11,857 INFO L93 Difference]: Finished difference Result 5044 states and 7061 transitions. [2023-02-16 00:43:11,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-16 00:43:11,857 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 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 532 [2023-02-16 00:43:11,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 00:43:11,865 INFO L225 Difference]: With dead ends: 5044 [2023-02-16 00:43:11,865 INFO L226 Difference]: Without dead ends: 2626 [2023-02-16 00:43:11,868 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 531 GetRequests, 530 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-16 00:43:11,869 INFO L413 NwaCegarLoop]: 197 mSDtfsCounter, 11 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 293 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-16 00:43:11,869 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 293 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-16 00:43:11,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2626 states. [2023-02-16 00:43:11,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2626 to 2256. [2023-02-16 00:43:11,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2256 states, 2255 states have (on average 1.366740576496674) internal successors, (3082), 2255 states have internal predecessors, (3082), 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) [2023-02-16 00:43:11,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2256 states to 2256 states and 3082 transitions. [2023-02-16 00:43:11,917 INFO L78 Accepts]: Start accepts. Automaton has 2256 states and 3082 transitions. Word has length 532 [2023-02-16 00:43:11,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 00:43:11,917 INFO L495 AbstractCegarLoop]: Abstraction has 2256 states and 3082 transitions. [2023-02-16 00:43:11,918 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 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) [2023-02-16 00:43:11,918 INFO L276 IsEmpty]: Start isEmpty. Operand 2256 states and 3082 transitions. [2023-02-16 00:43:11,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 589 [2023-02-16 00:43:11,921 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 00:43:11,922 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 18, 18, 18, 18, 18, 17, 17, 16, 16, 15, 15, 14, 14, 14, 14, 11, 9, 9, 7, 7, 5, 5, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 00:43:11,939 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-02-16 00:43:12,129 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 00:43:12,130 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-16 00:43:12,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 00:43:12,130 INFO L85 PathProgramCache]: Analyzing trace with hash 478731582, now seen corresponding path program 1 times [2023-02-16 00:43:12,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 00:43:12,130 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448735863] [2023-02-16 00:43:12,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 00:43:12,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 00:43:12,162 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-02-16 00:43:12,162 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [733802474] [2023-02-16 00:43:12,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 00:43:12,162 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 00:43:12,163 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 00:43:12,175 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-16 00:43:12,210 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-02-16 00:43:12,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 00:43:12,381 INFO L263 TraceCheckSpWp]: Trace formula consists of 897 conjuncts, 2 conjunts are in the unsatisfiable core [2023-02-16 00:43:12,387 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 00:43:12,427 INFO L134 CoverageAnalysis]: Checked inductivity of 3956 backedges. 2220 proven. 0 refuted. 0 times theorem prover too weak. 1736 trivial. 0 not checked. [2023-02-16 00:43:12,427 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-02-16 00:43:12,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 00:43:12,428 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1448735863] [2023-02-16 00:43:12,428 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-02-16 00:43:12,428 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [733802474] [2023-02-16 00:43:12,428 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [733802474] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-16 00:43:12,428 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-16 00:43:12,428 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-16 00:43:12,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183385916] [2023-02-16 00:43:12,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-16 00:43:12,429 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-16 00:43:12,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 00:43:12,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-16 00:43:12,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-16 00:43:12,431 INFO L87 Difference]: Start difference. First operand 2256 states and 3082 transitions. Second operand has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 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) [2023-02-16 00:43:12,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 00:43:12,548 INFO L93 Difference]: Finished difference Result 4127 states and 5520 transitions. [2023-02-16 00:43:12,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-16 00:43:12,549 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 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 588 [2023-02-16 00:43:12,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 00:43:12,553 INFO L225 Difference]: With dead ends: 4127 [2023-02-16 00:43:12,553 INFO L226 Difference]: Without dead ends: 1776 [2023-02-16 00:43:12,556 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 587 GetRequests, 586 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-16 00:43:12,556 INFO L413 NwaCegarLoop]: 182 mSDtfsCounter, 39 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 264 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-16 00:43:12,556 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 264 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-16 00:43:12,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1776 states. [2023-02-16 00:43:12,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1776 to 1776. [2023-02-16 00:43:12,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1776 states, 1775 states have (on average 1.2569014084507042) internal successors, (2231), 1775 states have internal predecessors, (2231), 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) [2023-02-16 00:43:12,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1776 states to 1776 states and 2231 transitions. [2023-02-16 00:43:12,581 INFO L78 Accepts]: Start accepts. Automaton has 1776 states and 2231 transitions. Word has length 588 [2023-02-16 00:43:12,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 00:43:12,582 INFO L495 AbstractCegarLoop]: Abstraction has 1776 states and 2231 transitions. [2023-02-16 00:43:12,582 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 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) [2023-02-16 00:43:12,582 INFO L276 IsEmpty]: Start isEmpty. Operand 1776 states and 2231 transitions. [2023-02-16 00:43:12,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 599 [2023-02-16 00:43:12,585 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 00:43:12,585 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 18, 18, 18, 18, 18, 17, 17, 16, 16, 15, 15, 14, 14, 14, 14, 12, 10, 10, 8, 8, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 00:43:12,607 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-02-16 00:43:12,804 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 00:43:12,805 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-16 00:43:12,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 00:43:12,805 INFO L85 PathProgramCache]: Analyzing trace with hash -1835374162, now seen corresponding path program 1 times [2023-02-16 00:43:12,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 00:43:12,806 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1932117054] [2023-02-16 00:43:12,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 00:43:12,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 00:43:12,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 00:43:12,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 00:43:12,848 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1932117054] [2023-02-16 00:43:12,848 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-02-16 00:43:12,848 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1820826824] [2023-02-16 00:43:12,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 00:43:12,848 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 00:43:12,848 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 00:43:12,849 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-16 00:43:12,851 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-02-16 00:43:13,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 00:43:13,064 INFO L263 TraceCheckSpWp]: Trace formula consists of 913 conjuncts, 3 conjunts are in the unsatisfiable core [2023-02-16 00:43:13,069 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 00:43:13,184 INFO L134 CoverageAnalysis]: Checked inductivity of 4010 backedges. 2316 proven. 26 refuted. 0 times theorem prover too weak. 1668 trivial. 0 not checked. [2023-02-16 00:43:13,185 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-16 00:43:13,261 INFO L134 CoverageAnalysis]: Checked inductivity of 4010 backedges. 2316 proven. 26 refuted. 0 times theorem prover too weak. 1668 trivial. 0 not checked. [2023-02-16 00:43:13,262 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1820826824] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-16 00:43:13,262 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-02-16 00:43:13,262 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2023-02-16 00:43:13,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831553166] [2023-02-16 00:43:13,263 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-02-16 00:43:13,264 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-02-16 00:43:13,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 00:43:13,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-02-16 00:43:13,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-02-16 00:43:13,265 INFO L87 Difference]: Start difference. First operand 1776 states and 2231 transitions. Second operand has 6 states, 6 states have (on average 45.666666666666664) internal successors, (274), 6 states have internal predecessors, (274), 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) [2023-02-16 00:43:13,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 00:43:13,645 INFO L93 Difference]: Finished difference Result 5510 states and 7035 transitions. [2023-02-16 00:43:13,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-02-16 00:43:13,646 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 45.666666666666664) internal successors, (274), 6 states have internal predecessors, (274), 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 598 [2023-02-16 00:43:13,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 00:43:13,673 INFO L225 Difference]: With dead ends: 5510 [2023-02-16 00:43:13,674 INFO L226 Difference]: Without dead ends: 3642 [2023-02-16 00:43:13,676 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1200 GetRequests, 1193 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2023-02-16 00:43:13,677 INFO L413 NwaCegarLoop]: 324 mSDtfsCounter, 332 mSDsluCounter, 644 mSDsCounter, 0 mSdLazyCounter, 608 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 332 SdHoareTripleChecker+Valid, 968 SdHoareTripleChecker+Invalid, 661 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 608 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-02-16 00:43:13,677 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [332 Valid, 968 Invalid, 661 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 608 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-02-16 00:43:13,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3642 states. [2023-02-16 00:43:13,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3642 to 2178. [2023-02-16 00:43:13,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2178 states, 2177 states have (on average 1.3100597152044098) internal successors, (2852), 2177 states have internal predecessors, (2852), 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) [2023-02-16 00:43:13,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2178 states to 2178 states and 2852 transitions. [2023-02-16 00:43:13,748 INFO L78 Accepts]: Start accepts. Automaton has 2178 states and 2852 transitions. Word has length 598 [2023-02-16 00:43:13,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 00:43:13,749 INFO L495 AbstractCegarLoop]: Abstraction has 2178 states and 2852 transitions. [2023-02-16 00:43:13,759 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 45.666666666666664) internal successors, (274), 6 states have internal predecessors, (274), 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) [2023-02-16 00:43:13,759 INFO L276 IsEmpty]: Start isEmpty. Operand 2178 states and 2852 transitions. [2023-02-16 00:43:13,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 723 [2023-02-16 00:43:13,763 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 00:43:13,764 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 25, 24, 24, 24, 24, 24, 24, 24, 24, 22, 22, 22, 20, 20, 18, 18, 16, 16, 14, 14, 14, 14, 12, 10, 10, 8, 8, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 00:43:13,773 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-02-16 00:43:13,973 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2023-02-16 00:43:13,974 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-16 00:43:13,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 00:43:13,974 INFO L85 PathProgramCache]: Analyzing trace with hash 465535293, now seen corresponding path program 1 times [2023-02-16 00:43:13,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 00:43:13,974 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662230647] [2023-02-16 00:43:13,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 00:43:13,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 00:43:14,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 00:43:14,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 00:43:14,075 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [662230647] [2023-02-16 00:43:14,076 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-02-16 00:43:14,076 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [307023279] [2023-02-16 00:43:14,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 00:43:14,076 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 00:43:14,076 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 00:43:14,077 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-16 00:43:14,079 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-02-16 00:43:14,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 00:43:14,236 INFO L263 TraceCheckSpWp]: Trace formula consists of 1110 conjuncts, 2 conjunts are in the unsatisfiable core [2023-02-16 00:43:14,241 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 00:43:14,261 INFO L134 CoverageAnalysis]: Checked inductivity of 5990 backedges. 3252 proven. 0 refuted. 0 times theorem prover too weak. 2738 trivial. 0 not checked. [2023-02-16 00:43:14,262 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-02-16 00:43:14,262 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [307023279] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-16 00:43:14,262 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-16 00:43:14,262 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-16 00:43:14,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133596747] [2023-02-16 00:43:14,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-16 00:43:14,263 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-16 00:43:14,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 00:43:14,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-16 00:43:14,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-16 00:43:14,264 INFO L87 Difference]: Start difference. First operand 2178 states and 2852 transitions. Second operand has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 3 states have internal predecessors, (206), 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) [2023-02-16 00:43:14,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 00:43:14,368 INFO L93 Difference]: Finished difference Result 2777 states and 3618 transitions. [2023-02-16 00:43:14,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-16 00:43:14,369 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 3 states have internal predecessors, (206), 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 722 [2023-02-16 00:43:14,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 00:43:14,369 INFO L225 Difference]: With dead ends: 2777 [2023-02-16 00:43:14,369 INFO L226 Difference]: Without dead ends: 0 [2023-02-16 00:43:14,372 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 721 GetRequests, 720 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-16 00:43:14,373 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 120 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-16 00:43:14,374 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 146 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-16 00:43:14,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-02-16 00:43:14,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-02-16 00:43:14,374 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) [2023-02-16 00:43:14,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-02-16 00:43:14,374 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 722 [2023-02-16 00:43:14,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 00:43:14,375 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-02-16 00:43:14,375 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 3 states have internal predecessors, (206), 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) [2023-02-16 00:43:14,375 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-02-16 00:43:14,375 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-02-16 00:43:14,377 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-02-16 00:43:14,383 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2023-02-16 00:43:14,583 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2023-02-16 00:43:14,585 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-02-16 00:43:16,079 INFO L899 garLoopResultBuilder]: For program point L531(lines 531 536) no Hoare annotation was computed. [2023-02-16 00:43:16,080 INFO L899 garLoopResultBuilder]: For program point L399(lines 399 405) no Hoare annotation was computed. [2023-02-16 00:43:16,080 INFO L899 garLoopResultBuilder]: For program point L366(lines 366 385) no Hoare annotation was computed. [2023-02-16 00:43:16,080 INFO L895 garLoopResultBuilder]: At program point ssl3_accept_switch_1_8593#1(lines 184 611) the Hoare annotation is: (let ((.cse0 (not (<= 8656 |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (.cse2 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8672)) (.cse3 (= 2 |ULTIMATE.start_ssl3_accept_~blastFlag~0#1|)) (.cse1 (not (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|)))) (or (and .cse0 .cse1) (and .cse2 .cse1 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 3)) (and .cse0 (<= 8448 |ULTIMATE.start_ssl3_accept_~s__state~0#1|) .cse3) (and .cse2 .cse3 .cse1))) [2023-02-16 00:43:16,080 INFO L899 garLoopResultBuilder]: For program point L565(lines 565 569) no Hoare annotation was computed. [2023-02-16 00:43:16,080 INFO L899 garLoopResultBuilder]: For program point L499(lines 499 503) no Hoare annotation was computed. [2023-02-16 00:43:16,081 INFO L899 garLoopResultBuilder]: For program point L367(lines 367 371) no Hoare annotation was computed. [2023-02-16 00:43:16,081 INFO L899 garLoopResultBuilder]: For program point L367-2(lines 366 383) no Hoare annotation was computed. [2023-02-16 00:43:16,081 INFO L895 garLoopResultBuilder]: At program point ssl3_accept_switch_1_8529#1(lines 157 620) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8672)) (.cse1 (not (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|))) (.cse2 (= 2 |ULTIMATE.start_ssl3_accept_~blastFlag~0#1|))) (or (and .cse0 .cse1 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 3)) (and .cse0 .cse2 .cse1) (and (<= 8448 |ULTIMATE.start_ssl3_accept_~s__state~0#1|) .cse2 (not (<= 8576 |ULTIMATE.start_ssl3_accept_~s__state~0#1|))))) [2023-02-16 00:43:16,081 INFO L899 garLoopResultBuilder]: For program point L202(lines 202 605) no Hoare annotation was computed. [2023-02-16 00:43:16,081 INFO L899 garLoopResultBuilder]: For program point L169(lines 169 616) no Hoare annotation was computed. [2023-02-16 00:43:16,083 INFO L899 garLoopResultBuilder]: For program point L136(lines 136 627) no Hoare annotation was computed. [2023-02-16 00:43:16,083 INFO L899 garLoopResultBuilder]: For program point L467(lines 467 471) no Hoare annotation was computed. [2023-02-16 00:43:16,083 INFO L895 garLoopResultBuilder]: At program point ssl3_accept_switch_1_8497#1(lines 145 624) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8672)) (.cse1 (not (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|))) (.cse2 (= 2 |ULTIMATE.start_ssl3_accept_~blastFlag~0#1|)) (.cse4 (<= 8448 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse3 (= 1 |ULTIMATE.start_ssl3_accept_~blastFlag~0#1|)) (.cse5 (not (<= 8576 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)))) (or (and .cse0 .cse1 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 3)) (and .cse0 .cse2 .cse1) (and .cse0 .cse1 .cse3) (and .cse4 .cse2 .cse5) (and .cse4 .cse3 .cse5))) [2023-02-16 00:43:16,084 INFO L899 garLoopResultBuilder]: For program point L335-1(lines 335 344) no Hoare annotation was computed. [2023-02-16 00:43:16,084 INFO L902 garLoopResultBuilder]: At program point L667(lines 74 684) the Hoare annotation is: true [2023-02-16 00:43:16,084 INFO L895 garLoopResultBuilder]: At program point ssl3_accept_switch_1_8482#1(lines 133 628) the Hoare annotation is: (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8672) [2023-02-16 00:43:16,084 INFO L899 garLoopResultBuilder]: For program point L205(lines 205 604) no Hoare annotation was computed. [2023-02-16 00:43:16,085 INFO L899 garLoopResultBuilder]: For program point L172(lines 172 615) no Hoare annotation was computed. [2023-02-16 00:43:16,085 INFO L899 garLoopResultBuilder]: For program point L139(lines 139 626) no Hoare annotation was computed. [2023-02-16 00:43:16,085 INFO L899 garLoopResultBuilder]: For program point L239(lines 239 256) no Hoare annotation was computed. [2023-02-16 00:43:16,085 INFO L899 garLoopResultBuilder]: For program point L239-2(lines 219 597) no Hoare annotation was computed. [2023-02-16 00:43:16,085 INFO L899 garLoopResultBuilder]: For program point L636(lines 636 664) no Hoare annotation was computed. [2023-02-16 00:43:16,085 INFO L899 garLoopResultBuilder]: For program point L339(lines 339 343) no Hoare annotation was computed. [2023-02-16 00:43:16,085 INFO L899 garLoopResultBuilder]: For program point L637(lines 637 661) no Hoare annotation was computed. [2023-02-16 00:43:16,085 INFO L899 garLoopResultBuilder]: For program point L571(lines 571 575) no Hoare annotation was computed. [2023-02-16 00:43:16,085 INFO L899 garLoopResultBuilder]: For program point L538(lines 538 542) no Hoare annotation was computed. [2023-02-16 00:43:16,085 INFO L899 garLoopResultBuilder]: For program point L571-2(lines 571 575) no Hoare annotation was computed. [2023-02-16 00:43:16,086 INFO L899 garLoopResultBuilder]: For program point L472(lines 472 483) no Hoare annotation was computed. [2023-02-16 00:43:16,086 INFO L899 garLoopResultBuilder]: For program point L538-2(lines 219 597) no Hoare annotation was computed. [2023-02-16 00:43:16,086 INFO L899 garLoopResultBuilder]: For program point L439(lines 439 443) no Hoare annotation was computed. [2023-02-16 00:43:16,086 INFO L895 garLoopResultBuilder]: At program point L373(lines 356 391) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8672)) (.cse1 (not (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|))) (.cse2 (= 2 |ULTIMATE.start_ssl3_accept_~blastFlag~0#1|))) (or (and .cse0 .cse1 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 3)) (and .cse0 .cse2 .cse1) (and (<= 8448 |ULTIMATE.start_ssl3_accept_~s__state~0#1|) .cse2 (not (<= 8576 |ULTIMATE.start_ssl3_accept_~s__state~0#1|))))) [2023-02-16 00:43:16,086 INFO L899 garLoopResultBuilder]: For program point L241(lines 241 246) no Hoare annotation was computed. [2023-02-16 00:43:16,086 INFO L899 garLoopResultBuilder]: For program point L208(lines 208 603) no Hoare annotation was computed. [2023-02-16 00:43:16,086 INFO L899 garLoopResultBuilder]: For program point L175(lines 175 614) no Hoare annotation was computed. [2023-02-16 00:43:16,086 INFO L899 garLoopResultBuilder]: For program point L142(lines 142 625) no Hoare annotation was computed. [2023-02-16 00:43:16,087 INFO L895 garLoopResultBuilder]: At program point L109-2(lines 109 666) the Hoare annotation is: (let ((.cse1 (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8464)) (.cse2 (not (<= 8656 |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (.cse3 (<= 8640 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse6 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 3)) (.cse4 (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8608)) (.cse7 (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8592)) (.cse5 (not (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|))) (.cse8 (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8496)) (.cse0 (= 2 |ULTIMATE.start_ssl3_accept_~blastFlag~0#1|))) (or (and .cse0 .cse1) (and .cse0 (<= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 8576) (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8576)) (and .cse2 .cse0 .cse3) (and .cse0 (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8656)) (and .cse0 .cse4) (and .cse5 .cse6) (and (= 0 |ULTIMATE.start_ssl3_accept_~blastFlag~0#1|) .cse1) (and .cse2 .cse5 .cse3) (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 3) (and .cse0 (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8528)) (and .cse0 (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8560)) (and (<= 8448 |ULTIMATE.start_ssl3_accept_~s__state~0#1|) (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8448) .cse6 (<= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 3)) (and (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8672) (<= 8672 |ULTIMATE.start_ssl3_accept_~s__state~0#1|) .cse6) (and .cse0 .cse7) (and .cse5 .cse4) (and .cse0 (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8512)) (and (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8544) .cse0) (and .cse8 (= 1 |ULTIMATE.start_ssl3_accept_~blastFlag~0#1|)) (and .cse5 .cse7) (and .cse0 .cse5) (and .cse8 .cse0))) [2023-02-16 00:43:16,087 INFO L899 garLoopResultBuilder]: For program point L671(lines 671 675) no Hoare annotation was computed. [2023-02-16 00:43:16,087 INFO L899 garLoopResultBuilder]: For program point L638(lines 638 647) no Hoare annotation was computed. [2023-02-16 00:43:16,087 INFO L899 garLoopResultBuilder]: For program point L671-2(lines 671 675) no Hoare annotation was computed. [2023-02-16 00:43:16,087 INFO L899 garLoopResultBuilder]: For program point L638-2(lines 637 659) no Hoare annotation was computed. [2023-02-16 00:43:16,087 INFO L899 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2023-02-16 00:43:16,087 INFO L902 garLoopResultBuilder]: At program point main_returnLabel#1(lines 686 697) the Hoare annotation is: true [2023-02-16 00:43:16,087 INFO L899 garLoopResultBuilder]: For program point L375(lines 375 379) no Hoare annotation was computed. [2023-02-16 00:43:16,087 INFO L899 garLoopResultBuilder]: For program point L640(lines 640 644) no Hoare annotation was computed. [2023-02-16 00:43:16,088 INFO L899 garLoopResultBuilder]: For program point L409(lines 409 415) no Hoare annotation was computed. [2023-02-16 00:43:16,088 INFO L895 garLoopResultBuilder]: At program point ssl3_accept_switch_1_8481#1(lines 127 630) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8672)) (.cse1 (not (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|))) (.cse2 (= 2 |ULTIMATE.start_ssl3_accept_~blastFlag~0#1|))) (or (and .cse0 .cse1 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 3)) (and .cse0 .cse2 .cse1) (and (<= 8448 |ULTIMATE.start_ssl3_accept_~s__state~0#1|) .cse2 (not (<= 8576 |ULTIMATE.start_ssl3_accept_~s__state~0#1|))))) [2023-02-16 00:43:16,088 INFO L899 garLoopResultBuilder]: For program point L211(lines 211 602) no Hoare annotation was computed. [2023-02-16 00:43:16,088 INFO L899 garLoopResultBuilder]: For program point L178(lines 178 613) no Hoare annotation was computed. [2023-02-16 00:43:16,088 INFO L899 garLoopResultBuilder]: For program point L145(lines 145 624) no Hoare annotation was computed. [2023-02-16 00:43:16,088 INFO L899 garLoopResultBuilder]: For program point L112(lines 112 635) no Hoare annotation was computed. [2023-02-16 00:43:16,088 INFO L899 garLoopResultBuilder]: For program point L476(lines 476 480) no Hoare annotation was computed. [2023-02-16 00:43:16,088 INFO L899 garLoopResultBuilder]: For program point L511(lines 511 515) no Hoare annotation was computed. [2023-02-16 00:43:16,088 INFO L899 garLoopResultBuilder]: For program point L511-2(lines 219 597) no Hoare annotation was computed. [2023-02-16 00:43:16,089 INFO L899 garLoopResultBuilder]: For program point L247(lines 247 252) no Hoare annotation was computed. [2023-02-16 00:43:16,089 INFO L899 garLoopResultBuilder]: For program point L214(lines 214 601) no Hoare annotation was computed. [2023-02-16 00:43:16,089 INFO L899 garLoopResultBuilder]: For program point L181(lines 181 612) no Hoare annotation was computed. [2023-02-16 00:43:16,089 INFO L899 garLoopResultBuilder]: For program point L148(lines 148 623) no Hoare annotation was computed. [2023-02-16 00:43:16,089 INFO L899 garLoopResultBuilder]: For program point L115(lines 115 634) no Hoare annotation was computed. [2023-02-16 00:43:16,089 INFO L899 garLoopResultBuilder]: For program point L83(lines 83 91) no Hoare annotation was computed. [2023-02-16 00:43:16,089 INFO L899 garLoopResultBuilder]: For program point L282(lines 282 286) no Hoare annotation was computed. [2023-02-16 00:43:16,089 INFO L895 garLoopResultBuilder]: At program point ssl3_accept_switch_1_8657#1(lines 202 605) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8672)) (.cse2 (= 2 |ULTIMATE.start_ssl3_accept_~blastFlag~0#1|)) (.cse1 (not (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|)))) (or (and .cse0 .cse1 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 3)) (and .cse0 .cse2 (<= 8640 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (and .cse0 .cse2 .cse1))) [2023-02-16 00:43:16,089 INFO L899 garLoopResultBuilder]: For program point L316(lines 316 320) no Hoare annotation was computed. [2023-02-16 00:43:16,089 INFO L899 garLoopResultBuilder]: For program point L316-2(lines 219 597) no Hoare annotation was computed. [2023-02-16 00:43:16,090 INFO L899 garLoopResultBuilder]: For program point L184(lines 184 611) no Hoare annotation was computed. [2023-02-16 00:43:16,090 INFO L899 garLoopResultBuilder]: For program point L151(lines 151 622) no Hoare annotation was computed. [2023-02-16 00:43:16,090 INFO L899 garLoopResultBuilder]: For program point L118(lines 118 633) no Hoare annotation was computed. [2023-02-16 00:43:16,090 INFO L899 garLoopResultBuilder]: For program point L581(lines 581 591) no Hoare annotation was computed. [2023-02-16 00:43:16,090 INFO L899 garLoopResultBuilder]: For program point L581-1(lines 581 591) no Hoare annotation was computed. [2023-02-16 00:43:16,090 INFO L899 garLoopResultBuilder]: For program point L449-1(lines 449 461) no Hoare annotation was computed. [2023-02-16 00:43:16,090 INFO L899 garLoopResultBuilder]: For program point L86(lines 86 90) no Hoare annotation was computed. [2023-02-16 00:43:16,090 INFO L899 garLoopResultBuilder]: For program point L86-2(lines 83 91) no Hoare annotation was computed. [2023-02-16 00:43:16,090 INFO L895 garLoopResultBuilder]: At program point L417(lines 408 428) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8672)) (.cse1 (not (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|))) (.cse2 (= 2 |ULTIMATE.start_ssl3_accept_~blastFlag~0#1|))) (or (and .cse0 .cse1 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 3)) (and .cse0 .cse2 .cse1) (and (<= 8448 |ULTIMATE.start_ssl3_accept_~s__state~0#1|) .cse2 (not (<= 8576 |ULTIMATE.start_ssl3_accept_~s__state~0#1|))))) [2023-02-16 00:43:16,091 INFO L899 garLoopResultBuilder]: For program point L351(lines 351 355) no Hoare annotation was computed. [2023-02-16 00:43:16,091 INFO L899 garLoopResultBuilder]: For program point L351-2(lines 219 597) no Hoare annotation was computed. [2023-02-16 00:43:16,091 INFO L902 garLoopResultBuilder]: At program point L682(lines 74 684) the Hoare annotation is: true [2023-02-16 00:43:16,091 INFO L899 garLoopResultBuilder]: For program point L649(lines 649 655) no Hoare annotation was computed. [2023-02-16 00:43:16,091 INFO L899 garLoopResultBuilder]: For program point L550(lines 550 555) no Hoare annotation was computed. [2023-02-16 00:43:16,091 INFO L899 garLoopResultBuilder]: For program point L187(lines 187 610) no Hoare annotation was computed. [2023-02-16 00:43:16,091 INFO L899 garLoopResultBuilder]: For program point L154(lines 154 621) no Hoare annotation was computed. [2023-02-16 00:43:16,091 INFO L899 garLoopResultBuilder]: For program point L121(lines 121 632) no Hoare annotation was computed. [2023-02-16 00:43:16,091 INFO L902 garLoopResultBuilder]: At program point ssl3_accept_switch_1_3#1(lines 214 601) the Hoare annotation is: true [2023-02-16 00:43:16,091 INFO L899 garLoopResultBuilder]: For program point L584(lines 584 588) no Hoare annotation was computed. [2023-02-16 00:43:16,092 INFO L899 garLoopResultBuilder]: For program point L452(lines 452 457) no Hoare annotation was computed. [2023-02-16 00:43:16,092 INFO L895 garLoopResultBuilder]: At program point $Ultimate##173(lines 449 461) the Hoare annotation is: (let ((.cse2 (= 2 |ULTIMATE.start_ssl3_accept_~blastFlag~0#1|)) (.cse1 (not (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|))) (.cse0 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8448))) (or (and .cse0 (<= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 3)) (and .cse1 .cse0 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 3)) (and .cse2 (<= 8448 |ULTIMATE.start_ssl3_accept_~s__state~0#1|) (<= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 8576) .cse0) (and .cse2 .cse1 .cse0))) [2023-02-16 00:43:16,092 INFO L902 garLoopResultBuilder]: At program point ssl3_accept_switch_1_default#1(lines 217 600) the Hoare annotation is: true [2023-02-16 00:43:16,092 INFO L899 garLoopResultBuilder]: For program point L420(lines 420 424) no Hoare annotation was computed. [2023-02-16 00:43:16,092 INFO L895 garLoopResultBuilder]: At program point L222(lines 115 634) the Hoare annotation is: (let ((.cse0 (= 2 |ULTIMATE.start_ssl3_accept_~blastFlag~0#1|)) (.cse1 (not (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|)))) (or (and .cse0 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8448)) (and .cse1 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 3)) (and .cse0 .cse1))) [2023-02-16 00:43:16,092 INFO L895 garLoopResultBuilder]: At program point ssl3_accept_switch_1_8577#1(lines 178 613) the Hoare annotation is: (let ((.cse1 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8672)) (.cse0 (= 2 |ULTIMATE.start_ssl3_accept_~blastFlag~0#1|)) (.cse2 (not (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|)))) (or (and (not (<= 8656 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (<= 8448 |ULTIMATE.start_ssl3_accept_~s__state~0#1|) .cse0 (<= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 8576)) (and .cse1 .cse2 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 3)) (and .cse1 .cse0 .cse2))) [2023-02-16 00:43:16,092 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-02-16 00:43:16,092 INFO L899 garLoopResultBuilder]: For program point L190(lines 190 609) no Hoare annotation was computed. [2023-02-16 00:43:16,092 INFO L899 garLoopResultBuilder]: For program point L157(lines 157 620) no Hoare annotation was computed. [2023-02-16 00:43:16,093 INFO L899 garLoopResultBuilder]: For program point L124(lines 124 631) no Hoare annotation was computed. [2023-02-16 00:43:16,093 INFO L895 garLoopResultBuilder]: At program point ssl3_accept_switch_1_8641#1(lines 196 607) the Hoare annotation is: (or (and (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8672) (not (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|))) (and (not (<= 8656 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (= 2 |ULTIMATE.start_ssl3_accept_~blastFlag~0#1|) (<= 8640 |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) [2023-02-16 00:43:16,093 INFO L899 garLoopResultBuilder]: For program point L521(lines 521 525) no Hoare annotation was computed. [2023-02-16 00:43:16,093 INFO L899 garLoopResultBuilder]: For program point L488(lines 488 492) no Hoare annotation was computed. [2023-02-16 00:43:16,093 INFO L899 garLoopResultBuilder]: For program point L521-2(lines 521 525) no Hoare annotation was computed. [2023-02-16 00:43:16,093 INFO L895 garLoopResultBuilder]: At program point ssl3_accept_ERROR#1(lines 74 684) the Hoare annotation is: false [2023-02-16 00:43:16,093 INFO L902 garLoopResultBuilder]: At program point ssl3_accept_returnLabel#1(lines 19 685) the Hoare annotation is: true [2023-02-16 00:43:16,093 INFO L895 garLoopResultBuilder]: At program point $Ultimate##127(lines 335 344) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8672)) (.cse1 (not (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|))) (.cse2 (= 2 |ULTIMATE.start_ssl3_accept_~blastFlag~0#1|))) (or (and .cse0 .cse1 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 3)) (and .cse0 .cse2 .cse1) (and (<= 8448 |ULTIMATE.start_ssl3_accept_~s__state~0#1|) .cse2 (not (<= 8576 |ULTIMATE.start_ssl3_accept_~s__state~0#1|))))) [2023-02-16 00:43:16,094 INFO L899 garLoopResultBuilder]: For program point L93(lines 93 101) no Hoare annotation was computed. [2023-02-16 00:43:16,094 INFO L899 garLoopResultBuilder]: For program point L93-1(lines 74 684) no Hoare annotation was computed. [2023-02-16 00:43:16,094 INFO L899 garLoopResultBuilder]: For program point L193(lines 193 608) no Hoare annotation was computed. [2023-02-16 00:43:16,094 INFO L899 garLoopResultBuilder]: For program point L160(lines 160 619) no Hoare annotation was computed. [2023-02-16 00:43:16,094 INFO L899 garLoopResultBuilder]: For program point L127(lines 127 630) no Hoare annotation was computed. [2023-02-16 00:43:16,094 INFO L899 garLoopResultBuilder]: For program point L94(lines 94 98) no Hoare annotation was computed. [2023-02-16 00:43:16,094 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-02-16 00:43:16,094 INFO L895 garLoopResultBuilder]: At program point ssl3_accept_switch_1_8673#1(lines 208 603) the Hoare annotation is: (let ((.cse0 (<= 8672 |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (or (and (= 2 |ULTIMATE.start_ssl3_accept_~blastFlag~0#1|) .cse0 (not (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|))) (and .cse0 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 3)))) [2023-02-16 00:43:16,094 INFO L899 garLoopResultBuilder]: For program point L359(lines 359 390) no Hoare annotation was computed. [2023-02-16 00:43:16,094 INFO L899 garLoopResultBuilder]: For program point L326(lines 326 330) no Hoare annotation was computed. [2023-02-16 00:43:16,095 INFO L899 garLoopResultBuilder]: For program point L326-2(lines 326 330) no Hoare annotation was computed. [2023-02-16 00:43:16,095 INFO L899 garLoopResultBuilder]: For program point L227(lines 227 231) no Hoare annotation was computed. [2023-02-16 00:43:16,095 INFO L899 garLoopResultBuilder]: For program point L227-2(lines 219 597) no Hoare annotation was computed. [2023-02-16 00:43:16,095 INFO L895 garLoopResultBuilder]: At program point ssl3_accept_switch_1_8609#1(lines 190 609) the Hoare annotation is: (let ((.cse0 (not (<= 8656 |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (.cse2 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8672)) (.cse3 (= 2 |ULTIMATE.start_ssl3_accept_~blastFlag~0#1|)) (.cse1 (not (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|)))) (or (and .cse0 .cse1) (and .cse2 .cse1 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 3)) (and .cse0 .cse3 (<= 8448 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (and .cse2 .cse3 .cse1))) [2023-02-16 00:43:16,095 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-02-16 00:43:16,095 INFO L895 garLoopResultBuilder]: At program point $Ultimate##155(lines 397 434) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8672)) (.cse1 (not (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|))) (.cse2 (= 2 |ULTIMATE.start_ssl3_accept_~blastFlag~0#1|))) (or (and .cse0 .cse1 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 3)) (and .cse0 .cse2 .cse1) (and (<= 8448 |ULTIMATE.start_ssl3_accept_~s__state~0#1|) .cse2 (not (<= 8576 |ULTIMATE.start_ssl3_accept_~s__state~0#1|))))) [2023-02-16 00:43:16,095 INFO L895 garLoopResultBuilder]: At program point ssl3_accept_switch_1_8466#1(lines 136 627) the Hoare annotation is: (let ((.cse2 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8672)) (.cse3 (not (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|))) (.cse0 (<= 8448 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse4 (= 2 |ULTIMATE.start_ssl3_accept_~blastFlag~0#1|)) (.cse1 (not (<= 8576 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)))) (or (and (= 0 |ULTIMATE.start_ssl3_accept_~blastFlag~0#1|) .cse0 .cse1) (and .cse2 .cse3 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 3)) (and .cse2 .cse4 .cse3) (and .cse0 .cse4 .cse1))) [2023-02-16 00:43:16,095 INFO L895 garLoopResultBuilder]: At program point ssl3_accept_switch_1_12292#1(lines 112 635) the Hoare annotation is: (let ((.cse0 (<= 8672 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse1 (not (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|)))) (or (and (= 2 |ULTIMATE.start_ssl3_accept_~blastFlag~0#1|) .cse0 .cse1) (and .cse0 .cse1 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 3)))) [2023-02-16 00:43:16,095 INFO L895 garLoopResultBuilder]: At program point $Ultimate##163(lines 408 428) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8672)) (.cse1 (not (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|))) (.cse2 (= 2 |ULTIMATE.start_ssl3_accept_~blastFlag~0#1|))) (or (and .cse0 .cse1 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 3)) (and .cse0 .cse2 .cse1) (and (<= 8448 |ULTIMATE.start_ssl3_accept_~s__state~0#1|) .cse2 (not (<= 8576 |ULTIMATE.start_ssl3_accept_~s__state~0#1|))))) [2023-02-16 00:43:16,096 INFO L899 garLoopResultBuilder]: For program point L196(lines 196 607) no Hoare annotation was computed. [2023-02-16 00:43:16,096 INFO L899 garLoopResultBuilder]: For program point L163(lines 163 618) no Hoare annotation was computed. [2023-02-16 00:43:16,096 INFO L899 garLoopResultBuilder]: For program point L130(lines 130 629) no Hoare annotation was computed. [2023-02-16 00:43:16,096 INFO L899 garLoopResultBuilder]: For program point L560(lines 560 564) no Hoare annotation was computed. [2023-02-16 00:43:16,096 INFO L899 garLoopResultBuilder]: For program point L362(lines 362 389) no Hoare annotation was computed. [2023-02-16 00:43:16,096 INFO L899 garLoopResultBuilder]: For program point L362-1(lines 362 389) no Hoare annotation was computed. [2023-02-16 00:43:16,096 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-02-16 00:43:16,096 INFO L895 garLoopResultBuilder]: At program point $Ultimate##219(lines 636 664) the Hoare annotation is: (let ((.cse1 (not (<= 8656 |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (.cse2 (<= 8640 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse5 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 3)) (.cse3 (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8608)) (.cse6 (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8592)) (.cse4 (not (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|))) (.cse7 (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8496)) (.cse0 (= 2 |ULTIMATE.start_ssl3_accept_~blastFlag~0#1|))) (or (and .cse0 (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8464)) (and .cse0 (<= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 8576) (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8576)) (and .cse1 .cse0 .cse2) (and .cse0 (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8656)) (and .cse0 .cse3) (and .cse4 .cse5) (and .cse1 .cse4 .cse2) (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 3) (and .cse0 (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8528)) (and .cse0 (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8560)) (and (<= 8448 |ULTIMATE.start_ssl3_accept_~s__state~0#1|) (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8448) .cse5 (<= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 3)) (and (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8672) (<= 8672 |ULTIMATE.start_ssl3_accept_~s__state~0#1|) .cse5) (and .cse0 .cse6) (and .cse4 .cse3) (and .cse0 (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8512)) (and (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8544) .cse0) (and .cse7 (= 1 |ULTIMATE.start_ssl3_accept_~blastFlag~0#1|)) (and .cse4 .cse6) (and .cse0 .cse4) (and .cse7 .cse0))) [2023-02-16 00:43:16,097 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 678) no Hoare annotation was computed. [2023-02-16 00:43:16,097 INFO L899 garLoopResultBuilder]: For program point L363(lines 363 386) no Hoare annotation was computed. [2023-02-16 00:43:16,097 INFO L899 garLoopResultBuilder]: For program point L264(lines 264 276) no Hoare annotation was computed. [2023-02-16 00:43:16,097 INFO L895 garLoopResultBuilder]: At program point ssl3_accept_switch_1_8561#1(lines 169 616) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8672)) (.cse1 (not (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|))) (.cse2 (= 2 |ULTIMATE.start_ssl3_accept_~blastFlag~0#1|))) (or (and .cse0 .cse1 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 3)) (and .cse0 .cse2 .cse1) (and .cse2 (<= 8448 |ULTIMATE.start_ssl3_accept_~s__state~0#1|) (not (<= 8576 |ULTIMATE.start_ssl3_accept_~s__state~0#1|))))) [2023-02-16 00:43:16,097 INFO L899 garLoopResultBuilder]: For program point L265(lines 265 270) no Hoare annotation was computed. [2023-02-16 00:43:16,097 INFO L899 garLoopResultBuilder]: For program point L199(lines 199 606) no Hoare annotation was computed. [2023-02-16 00:43:16,097 INFO L899 garLoopResultBuilder]: For program point L166(lines 166 617) no Hoare annotation was computed. [2023-02-16 00:43:16,098 INFO L899 garLoopResultBuilder]: For program point L133(lines 133 628) no Hoare annotation was computed. [2023-02-16 00:43:16,098 INFO L899 garLoopResultBuilder]: For program point L398(lines 398 429) no Hoare annotation was computed. [2023-02-16 00:43:16,098 INFO L899 garLoopResultBuilder]: For program point L299(lines 299 303) no Hoare annotation was computed. [2023-02-16 00:43:16,098 INFO L899 garLoopResultBuilder]: For program point L299-2(lines 219 597) no Hoare annotation was computed. [2023-02-16 00:43:16,101 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 00:43:16,102 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-02-16 00:43:16,127 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.02 12:43:16 BoogieIcfgContainer [2023-02-16 00:43:16,127 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-02-16 00:43:16,127 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-02-16 00:43:16,127 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-02-16 00:43:16,128 INFO L275 PluginConnector]: Witness Printer initialized [2023-02-16 00:43:16,128 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.02 12:43:03" (3/4) ... [2023-02-16 00:43:16,148 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-02-16 00:43:16,160 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2023-02-16 00:43:16,162 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-02-16 00:43:16,163 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-02-16 00:43:16,163 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-02-16 00:43:16,220 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-02-16 00:43:16,220 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-02-16 00:43:16,221 INFO L158 Benchmark]: Toolchain (without parser) took 13337.56ms. Allocated memory was 132.1MB in the beginning and 283.1MB in the end (delta: 151.0MB). Free memory was 96.1MB in the beginning and 153.7MB in the end (delta: -57.6MB). Peak memory consumption was 95.5MB. Max. memory is 16.1GB. [2023-02-16 00:43:16,221 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 132.1MB. Free memory is still 97.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-02-16 00:43:16,221 INFO L158 Benchmark]: CACSL2BoogieTranslator took 252.73ms. Allocated memory is still 132.1MB. Free memory was 95.7MB in the beginning and 80.3MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-02-16 00:43:16,221 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.41ms. Allocated memory is still 132.1MB. Free memory was 80.3MB in the beginning and 76.8MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-02-16 00:43:16,222 INFO L158 Benchmark]: Boogie Preprocessor took 72.33ms. Allocated memory is still 132.1MB. Free memory was 76.8MB in the beginning and 74.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-16 00:43:16,222 INFO L158 Benchmark]: RCFGBuilder took 634.12ms. Allocated memory was 132.1MB in the beginning and 161.5MB in the end (delta: 29.4MB). Free memory was 74.4MB in the beginning and 114.9MB in the end (delta: -40.5MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-02-16 00:43:16,222 INFO L158 Benchmark]: TraceAbstraction took 12230.60ms. Allocated memory was 161.5MB in the beginning and 283.1MB in the end (delta: 121.6MB). Free memory was 114.1MB in the beginning and 161.0MB in the end (delta: -46.9MB). Peak memory consumption was 152.1MB. Max. memory is 16.1GB. [2023-02-16 00:43:16,222 INFO L158 Benchmark]: Witness Printer took 92.92ms. Allocated memory is still 283.1MB. Free memory was 161.0MB in the beginning and 153.7MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-02-16 00:43:16,223 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 132.1MB. Free memory is still 97.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 252.73ms. Allocated memory is still 132.1MB. Free memory was 95.7MB in the beginning and 80.3MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.41ms. Allocated memory is still 132.1MB. Free memory was 80.3MB in the beginning and 76.8MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 72.33ms. Allocated memory is still 132.1MB. Free memory was 76.8MB in the beginning and 74.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 634.12ms. Allocated memory was 132.1MB in the beginning and 161.5MB in the end (delta: 29.4MB). Free memory was 74.4MB in the beginning and 114.9MB in the end (delta: -40.5MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * TraceAbstraction took 12230.60ms. Allocated memory was 161.5MB in the beginning and 283.1MB in the end (delta: 121.6MB). Free memory was 114.1MB in the beginning and 161.0MB in the end (delta: -46.9MB). Peak memory consumption was 152.1MB. Max. memory is 16.1GB. * Witness Printer took 92.92ms. Allocated memory is still 283.1MB. Free memory was 161.0MB in the beginning and 153.7MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. 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: 678]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 138 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 12.2s, OverallIterations: 22, TraceHistogramMax: 25, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 3.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1809 SdHoareTripleChecker+Valid, 2.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1809 mSDsluCounter, 7877 SdHoareTripleChecker+Invalid, 1.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3241 mSDsCounter, 559 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2864 IncrementalHoareTripleChecker+Invalid, 3423 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 559 mSolverCounterUnsat, 4636 mSDtfsCounter, 2864 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5984 GetRequests, 5949 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2439occurred in iteration=18, InterpolantAutomatonStates: 78, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 22 MinimizatonAttempts, 3483 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 29 LocationsWithAnnotation, 29 PreInvPairs, 194 NumberOfFragments, 999 HoareAnnotationTreeSize, 29 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 29 FomulaSimplificationsInter, 4496 FormulaSimplificationTreeSizeReductionInter, 1.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 9019 NumberOfCodeBlocks, 9019 NumberOfCodeBlocksAsserted, 29 NumberOfCheckSat, 6785 ConstructedInterpolants, 0 QuantifiedInterpolants, 8701 SizeOfPredicates, 14 NumberOfNonLiveVariables, 8081 ConjunctsInSsa, 33 ConjunctsInUnsatCore, 24 InterpolantComputations, 20 PerfectInterpolantSequences, 30777/30881 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 1 specifications checked. All of them hold - InvariantResult [Line: 112]: Loop Invariant Derived loop invariant: ((2 == blastFlag && 8672 <= s__state) && !(0 == s__hit)) || ((8672 <= s__state && !(0 == s__hit)) && blastFlag == 3) - InvariantResult [Line: 397]: Loop Invariant Derived loop invariant: (((s__state <= 8672 && !(0 == s__hit)) && blastFlag == 3) || ((s__state <= 8672 && 2 == blastFlag) && !(0 == s__hit))) || ((8448 <= s__state && 2 == blastFlag) && !(8576 <= s__state)) - InvariantResult [Line: 74]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 74]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 157]: Loop Invariant Derived loop invariant: (((s__state <= 8672 && !(0 == s__hit)) && blastFlag == 3) || ((s__state <= 8672 && 2 == blastFlag) && !(0 == s__hit))) || ((8448 <= s__state && 2 == blastFlag) && !(8576 <= s__state)) - InvariantResult [Line: 408]: Loop Invariant Derived loop invariant: (((s__state <= 8672 && !(0 == s__hit)) && blastFlag == 3) || ((s__state <= 8672 && 2 == blastFlag) && !(0 == s__hit))) || ((8448 <= s__state && 2 == blastFlag) && !(8576 <= s__state)) - InvariantResult [Line: 145]: Loop Invariant Derived loop invariant: (((((s__state <= 8672 && !(0 == s__hit)) && blastFlag == 3) || ((s__state <= 8672 && 2 == blastFlag) && !(0 == s__hit))) || ((s__state <= 8672 && !(0 == s__hit)) && 1 == blastFlag)) || ((8448 <= s__state && 2 == blastFlag) && !(8576 <= s__state))) || ((8448 <= s__state && 1 == blastFlag) && !(8576 <= s__state)) - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: (((!(8656 <= s__state) && !(0 == s__hit)) || ((s__state <= 8672 && !(0 == s__hit)) && blastFlag == 3)) || ((!(8656 <= s__state) && 2 == blastFlag) && 8448 <= s__state)) || ((s__state <= 8672 && 2 == blastFlag) && !(0 == s__hit)) - InvariantResult [Line: 184]: Loop Invariant Derived loop invariant: (((!(8656 <= s__state) && !(0 == s__hit)) || ((s__state <= 8672 && !(0 == s__hit)) && blastFlag == 3)) || ((!(8656 <= s__state) && 8448 <= s__state) && 2 == blastFlag)) || ((s__state <= 8672 && 2 == blastFlag) && !(0 == s__hit)) - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: ((((0 == blastFlag && 8448 <= s__state) && !(8576 <= s__state)) || ((s__state <= 8672 && !(0 == s__hit)) && blastFlag == 3)) || ((s__state <= 8672 && 2 == blastFlag) && !(0 == s__hit))) || ((8448 <= s__state && 2 == blastFlag) && !(8576 <= s__state)) - InvariantResult [Line: 178]: Loop Invariant Derived loop invariant: ((((!(8656 <= s__state) && 8448 <= s__state) && 2 == blastFlag) && s__s3__tmp__next_state___0 <= 8576) || ((s__state <= 8672 && !(0 == s__hit)) && blastFlag == 3)) || ((s__state <= 8672 && 2 == blastFlag) && !(0 == s__hit)) - InvariantResult [Line: 208]: Loop Invariant Derived loop invariant: ((2 == blastFlag && 8672 <= s__state) && !(0 == s__hit)) || (8672 <= s__state && blastFlag == 3) - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: (((s__state <= 8672 && !(0 == s__hit)) && blastFlag == 3) || ((s__state <= 8672 && 2 == blastFlag) && !(0 == s__hit))) || ((8448 <= s__state && 2 == blastFlag) && !(8576 <= s__state)) - InvariantResult [Line: 636]: Loop Invariant Derived loop invariant: (((((((((((((((((((2 == blastFlag && s__state == 8464) || ((2 == blastFlag && s__s3__tmp__next_state___0 <= 8576) && s__state <= 8576)) || ((!(8656 <= s__state) && 2 == blastFlag) && 8640 <= s__state)) || (2 == blastFlag && s__state == 8656)) || (2 == blastFlag && s__state == 8608)) || (!(0 == s__hit) && blastFlag == 3)) || ((!(8656 <= s__state) && !(0 == s__hit)) && 8640 <= s__state)) || s__state <= 3) || (2 == blastFlag && s__state == 8528)) || (2 == blastFlag && s__state == 8560)) || (((8448 <= s__state && s__state <= 8448) && blastFlag == 3) && s__s3__tmp__next_state___0 <= 3)) || ((s__state <= 8672 && 8672 <= s__state) && blastFlag == 3)) || (2 == blastFlag && s__state == 8592)) || (!(0 == s__hit) && s__state == 8608)) || (2 == blastFlag && s__state == 8512)) || (s__state == 8544 && 2 == blastFlag)) || (s__state == 8496 && 1 == blastFlag)) || (!(0 == s__hit) && s__state == 8592)) || (2 == blastFlag && !(0 == s__hit))) || (s__state == 8496 && 2 == blastFlag) - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: (s__state <= 8672 && !(0 == s__hit)) || ((!(8656 <= s__state) && 2 == blastFlag) && 8640 <= s__state) - InvariantResult [Line: 115]: Loop Invariant Derived loop invariant: ((2 == blastFlag && s__state <= 8448) || (!(0 == s__hit) && blastFlag == 3)) || (2 == blastFlag && !(0 == s__hit)) - InvariantResult [Line: 356]: Loop Invariant Derived loop invariant: (((s__state <= 8672 && !(0 == s__hit)) && blastFlag == 3) || ((s__state <= 8672 && 2 == blastFlag) && !(0 == s__hit))) || ((8448 <= s__state && 2 == blastFlag) && !(8576 <= s__state)) - InvariantResult [Line: 217]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 133]: Loop Invariant Derived loop invariant: s__state <= 8672 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: (((s__state <= 8672 && !(0 == s__hit)) && blastFlag == 3) || ((s__state <= 8672 && 2 == blastFlag) && !(0 == s__hit))) || ((2 == blastFlag && 8448 <= s__state) && !(8576 <= s__state)) - InvariantResult [Line: 202]: Loop Invariant Derived loop invariant: (((s__state <= 8672 && !(0 == s__hit)) && blastFlag == 3) || ((s__state <= 8672 && 2 == blastFlag) && 8640 <= s__state)) || ((s__state <= 8672 && 2 == blastFlag) && !(0 == s__hit)) - InvariantResult [Line: 449]: Loop Invariant Derived loop invariant: (((s__state <= 8448 && s__s3__tmp__next_state___0 <= 3) || ((!(0 == s__hit) && s__state <= 8448) && blastFlag == 3)) || (((2 == blastFlag && 8448 <= s__state) && s__s3__tmp__next_state___0 <= 8576) && s__state <= 8448)) || ((2 == blastFlag && !(0 == s__hit)) && s__state <= 8448) - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: ((((((((((((((((((((2 == blastFlag && s__state == 8464) || ((2 == blastFlag && s__s3__tmp__next_state___0 <= 8576) && s__state <= 8576)) || ((!(8656 <= s__state) && 2 == blastFlag) && 8640 <= s__state)) || (2 == blastFlag && s__state == 8656)) || (2 == blastFlag && s__state == 8608)) || (!(0 == s__hit) && blastFlag == 3)) || (0 == blastFlag && s__state == 8464)) || ((!(8656 <= s__state) && !(0 == s__hit)) && 8640 <= s__state)) || s__state <= 3) || (2 == blastFlag && s__state == 8528)) || (2 == blastFlag && s__state == 8560)) || (((8448 <= s__state && s__state <= 8448) && blastFlag == 3) && s__s3__tmp__next_state___0 <= 3)) || ((s__state <= 8672 && 8672 <= s__state) && blastFlag == 3)) || (2 == blastFlag && s__state == 8592)) || (!(0 == s__hit) && s__state == 8608)) || (2 == blastFlag && s__state == 8512)) || (s__state == 8544 && 2 == blastFlag)) || (s__state == 8496 && 1 == blastFlag)) || (!(0 == s__hit) && s__state == 8592)) || (2 == blastFlag && !(0 == s__hit))) || (s__state == 8496 && 2 == blastFlag) - InvariantResult [Line: 214]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 74]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 686]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 408]: Loop Invariant Derived loop invariant: (((s__state <= 8672 && !(0 == s__hit)) && blastFlag == 3) || ((s__state <= 8672 && 2 == blastFlag) && !(0 == s__hit))) || ((8448 <= s__state && 2 == blastFlag) && !(8576 <= s__state)) - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: (((s__state <= 8672 && !(0 == s__hit)) && blastFlag == 3) || ((s__state <= 8672 && 2 == blastFlag) && !(0 == s__hit))) || ((8448 <= s__state && 2 == blastFlag) && !(8576 <= s__state)) RESULT: Ultimate proved your program to be correct! [2023-02-16 00:43:16,245 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