./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/bitvector/s3_srvr_3a.BV.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e8d55036 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/bitvector/s3_srvr_3a.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 a8373cb8fe582bc9cb45d9609c89b33bf31b030c114c7e7fdfee851d52974fb9 --- Real Ultimate output --- This is Ultimate 0.2.2-?-e8d5503-m [2023-02-15 19:21:30,335 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-15 19:21:30,336 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-15 19:21:30,360 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-15 19:21:30,364 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-15 19:21:30,365 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-15 19:21:30,367 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-15 19:21:30,370 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-15 19:21:30,371 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-15 19:21:30,372 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-15 19:21:30,373 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-15 19:21:30,374 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-15 19:21:30,375 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-15 19:21:30,377 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-15 19:21:30,378 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-15 19:21:30,379 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-15 19:21:30,381 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-15 19:21:30,382 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-15 19:21:30,386 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-15 19:21:30,387 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-15 19:21:30,388 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-15 19:21:30,388 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-15 19:21:30,392 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-15 19:21:30,392 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-15 19:21:30,394 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-15 19:21:30,395 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-15 19:21:30,395 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-15 19:21:30,396 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-15 19:21:30,397 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-15 19:21:30,397 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-15 19:21:30,398 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-15 19:21:30,398 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-15 19:21:30,399 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-15 19:21:30,400 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-15 19:21:30,400 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-15 19:21:30,401 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-15 19:21:30,401 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-15 19:21:30,401 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-15 19:21:30,401 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-15 19:21:30,402 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-15 19:21:30,403 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-15 19:21:30,404 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-02-15 19:21:30,416 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-15 19:21:30,420 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-15 19:21:30,420 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-15 19:21:30,420 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-15 19:21:30,421 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-15 19:21:30,421 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-15 19:21:30,422 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-15 19:21:30,422 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-15 19:21:30,422 INFO L138 SettingsManager]: * Use SBE=true [2023-02-15 19:21:30,423 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-15 19:21:30,423 INFO L138 SettingsManager]: * sizeof long=4 [2023-02-15 19:21:30,423 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-15 19:21:30,424 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-02-15 19:21:30,424 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-15 19:21:30,424 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-02-15 19:21:30,424 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-15 19:21:30,424 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-02-15 19:21:30,424 INFO L138 SettingsManager]: * sizeof long double=12 [2023-02-15 19:21:30,424 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-15 19:21:30,424 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-15 19:21:30,425 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-02-15 19:21:30,425 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-15 19:21:30,425 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-15 19:21:30,425 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-15 19:21:30,425 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-15 19:21:30,425 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-15 19:21:30,425 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-15 19:21:30,426 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-02-15 19:21:30,426 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-15 19:21:30,426 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-02-15 19:21:30,426 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-15 19:21:30,426 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-02-15 19:21:30,426 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-15 19:21:30,426 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-15 19:21:30,427 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-15 19:21:30,427 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a8373cb8fe582bc9cb45d9609c89b33bf31b030c114c7e7fdfee851d52974fb9 [2023-02-15 19:21:30,629 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-15 19:21:30,655 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-15 19:21:30,657 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-15 19:21:30,658 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-15 19:21:30,658 INFO L275 PluginConnector]: CDTParser initialized [2023-02-15 19:21:30,659 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector/s3_srvr_3a.BV.c.cil.c [2023-02-15 19:21:31,572 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-15 19:21:31,784 INFO L351 CDTParser]: Found 1 translation units. [2023-02-15 19:21:31,784 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/s3_srvr_3a.BV.c.cil.c [2023-02-15 19:21:31,791 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/35bdfad22/19ee8899d61a4368ab69887ed5211640/FLAG0cae470b3 [2023-02-15 19:21:31,802 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/35bdfad22/19ee8899d61a4368ab69887ed5211640 [2023-02-15 19:21:31,803 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-15 19:21:31,804 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-15 19:21:31,805 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-15 19:21:31,805 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-15 19:21:31,807 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-15 19:21:31,807 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 07:21:31" (1/1) ... [2023-02-15 19:21:31,808 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f9eaa9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 07:21:31, skipping insertion in model container [2023-02-15 19:21:31,808 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 07:21:31" (1/1) ... [2023-02-15 19:21:31,813 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-15 19:21:31,846 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-15 19:21:31,998 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.BV.c.cil.c[44494,44507] [2023-02-15 19:21:32,007 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-15 19:21:32,022 INFO L203 MainTranslator]: Completed pre-run [2023-02-15 19:21:32,077 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.BV.c.cil.c[44494,44507] [2023-02-15 19:21:32,079 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-15 19:21:32,088 INFO L208 MainTranslator]: Completed translation [2023-02-15 19:21:32,088 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 07:21:32 WrapperNode [2023-02-15 19:21:32,088 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-15 19:21:32,089 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-15 19:21:32,089 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-15 19:21:32,089 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-15 19:21:32,094 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 07:21:32" (1/1) ... [2023-02-15 19:21:32,100 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 07:21:32" (1/1) ... [2023-02-15 19:21:32,126 INFO L138 Inliner]: procedures = 15, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 519 [2023-02-15 19:21:32,132 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-15 19:21:32,133 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-15 19:21:32,133 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-15 19:21:32,133 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-15 19:21:32,139 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 07:21:32" (1/1) ... [2023-02-15 19:21:32,139 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 07:21:32" (1/1) ... [2023-02-15 19:21:32,153 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 07:21:32" (1/1) ... [2023-02-15 19:21:32,161 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 07:21:32" (1/1) ... [2023-02-15 19:21:32,167 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 07:21:32" (1/1) ... [2023-02-15 19:21:32,171 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 07:21:32" (1/1) ... [2023-02-15 19:21:32,173 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 07:21:32" (1/1) ... [2023-02-15 19:21:32,174 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 07:21:32" (1/1) ... [2023-02-15 19:21:32,177 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-15 19:21:32,177 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-15 19:21:32,177 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-15 19:21:32,177 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-15 19:21:32,178 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 07:21:32" (1/1) ... [2023-02-15 19:21:32,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-15 19:21:32,204 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 19:21:32,218 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-02-15 19:21:32,222 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-02-15 19:21:32,246 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-02-15 19:21:32,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-02-15 19:21:32,246 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-15 19:21:32,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-15 19:21:32,316 INFO L235 CfgBuilder]: Building ICFG [2023-02-15 19:21:32,318 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-15 19:21:32,336 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-02-15 19:21:32,807 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2023-02-15 19:21:32,807 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2023-02-15 19:21:32,807 INFO L276 CfgBuilder]: Performing block encoding [2023-02-15 19:21:32,812 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-15 19:21:32,812 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2023-02-15 19:21:32,814 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 07:21:32 BoogieIcfgContainer [2023-02-15 19:21:32,814 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-15 19:21:32,815 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-02-15 19:21:32,815 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-02-15 19:21:32,817 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-02-15 19:21:32,817 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.02 07:21:31" (1/3) ... [2023-02-15 19:21:32,818 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29953a59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 07:21:32, skipping insertion in model container [2023-02-15 19:21:32,818 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 07:21:32" (2/3) ... [2023-02-15 19:21:32,818 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29953a59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 07:21:32, skipping insertion in model container [2023-02-15 19:21:32,819 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 07:21:32" (3/3) ... [2023-02-15 19:21:32,819 INFO L112 eAbstractionObserver]: Analyzing ICFG s3_srvr_3a.BV.c.cil.c [2023-02-15 19:21:32,844 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-02-15 19:21:32,844 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-02-15 19:21:32,891 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-02-15 19:21:32,897 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;@705aa40d, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-02-15 19:21:32,898 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-02-15 19:21:32,901 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) [2023-02-15 19:21:32,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-02-15 19:21:32,907 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 19:21:32,908 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] [2023-02-15 19:21:32,908 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-15 19:21:32,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 19:21:32,912 INFO L85 PathProgramCache]: Analyzing trace with hash 1632003015, now seen corresponding path program 1 times [2023-02-15 19:21:32,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 19:21:32,918 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934844036] [2023-02-15 19:21:32,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 19:21:32,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 19:21:33,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 19:21:33,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 19:21:33,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 19:21:33,178 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934844036] [2023-02-15 19:21:33,179 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [934844036] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 19:21:33,179 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 19:21:33,179 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-15 19:21:33,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802943088] [2023-02-15 19:21:33,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 19:21:33,197 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-15 19:21:33,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 19:21:33,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-15 19:21:33,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 19:21:33,218 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) [2023-02-15 19:21:33,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 19:21:33,332 INFO L93 Difference]: Finished difference Result 297 states and 509 transitions. [2023-02-15 19:21:33,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-15 19:21:33,334 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 [2023-02-15 19:21:33,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 19:21:33,341 INFO L225 Difference]: With dead ends: 297 [2023-02-15 19:21:33,341 INFO L226 Difference]: Without dead ends: 145 [2023-02-15 19:21:33,343 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 19:21:33,345 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 [2023-02-15 19:21:33,346 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] [2023-02-15 19:21:33,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2023-02-15 19:21:33,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 142. [2023-02-15 19:21:33,370 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) [2023-02-15 19:21:33,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 215 transitions. [2023-02-15 19:21:33,372 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 215 transitions. Word has length 44 [2023-02-15 19:21:33,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 19:21:33,373 INFO L495 AbstractCegarLoop]: Abstraction has 142 states and 215 transitions. [2023-02-15 19:21:33,373 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) [2023-02-15 19:21:33,373 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 215 transitions. [2023-02-15 19:21:33,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-02-15 19:21:33,374 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 19:21:33,374 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] [2023-02-15 19:21:33,375 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-02-15 19:21:33,375 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-15 19:21:33,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 19:21:33,375 INFO L85 PathProgramCache]: Analyzing trace with hash -1722912794, now seen corresponding path program 1 times [2023-02-15 19:21:33,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 19:21:33,376 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165886809] [2023-02-15 19:21:33,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 19:21:33,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 19:21:33,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 19:21:33,419 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 19:21:33,420 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 19:21:33,420 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1165886809] [2023-02-15 19:21:33,420 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1165886809] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 19:21:33,420 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 19:21:33,420 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-15 19:21:33,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51127630] [2023-02-15 19:21:33,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 19:21:33,421 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-15 19:21:33,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 19:21:33,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-15 19:21:33,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 19:21:33,422 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) [2023-02-15 19:21:33,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 19:21:33,515 INFO L93 Difference]: Finished difference Result 301 states and 462 transitions. [2023-02-15 19:21:33,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-15 19:21:33,516 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 [2023-02-15 19:21:33,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 19:21:33,517 INFO L225 Difference]: With dead ends: 301 [2023-02-15 19:21:33,517 INFO L226 Difference]: Without dead ends: 167 [2023-02-15 19:21:33,518 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 19:21:33,519 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 [2023-02-15 19:21:33,519 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] [2023-02-15 19:21:33,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2023-02-15 19:21:33,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 163. [2023-02-15 19:21:33,526 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) [2023-02-15 19:21:33,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 241 transitions. [2023-02-15 19:21:33,527 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 241 transitions. Word has length 60 [2023-02-15 19:21:33,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 19:21:33,528 INFO L495 AbstractCegarLoop]: Abstraction has 163 states and 241 transitions. [2023-02-15 19:21:33,528 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) [2023-02-15 19:21:33,528 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 241 transitions. [2023-02-15 19:21:33,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-02-15 19:21:33,530 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 19:21:33,530 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] [2023-02-15 19:21:33,530 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-02-15 19:21:33,530 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-15 19:21:33,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 19:21:33,531 INFO L85 PathProgramCache]: Analyzing trace with hash -1797387181, now seen corresponding path program 1 times [2023-02-15 19:21:33,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 19:21:33,531 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [59611359] [2023-02-15 19:21:33,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 19:21:33,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 19:21:33,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 19:21:33,597 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-02-15 19:21:33,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 19:21:33,599 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [59611359] [2023-02-15 19:21:33,599 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [59611359] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 19:21:33,600 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 19:21:33,600 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-15 19:21:33,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763690031] [2023-02-15 19:21:33,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 19:21:33,601 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-15 19:21:33,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 19:21:33,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-15 19:21:33,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 19:21:33,602 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) [2023-02-15 19:21:33,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 19:21:33,691 INFO L93 Difference]: Finished difference Result 345 states and 517 transitions. [2023-02-15 19:21:33,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-15 19:21:33,692 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 [2023-02-15 19:21:33,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 19:21:33,695 INFO L225 Difference]: With dead ends: 345 [2023-02-15 19:21:33,695 INFO L226 Difference]: Without dead ends: 190 [2023-02-15 19:21:33,696 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 19:21:33,697 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 [2023-02-15 19:21:33,698 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] [2023-02-15 19:21:33,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2023-02-15 19:21:33,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 187. [2023-02-15 19:21:33,704 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) [2023-02-15 19:21:33,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 270 transitions. [2023-02-15 19:21:33,705 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 270 transitions. Word has length 81 [2023-02-15 19:21:33,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 19:21:33,705 INFO L495 AbstractCegarLoop]: Abstraction has 187 states and 270 transitions. [2023-02-15 19:21:33,706 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) [2023-02-15 19:21:33,706 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 270 transitions. [2023-02-15 19:21:33,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-02-15 19:21:33,707 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 19:21:33,707 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] [2023-02-15 19:21:33,708 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-02-15 19:21:33,708 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-15 19:21:33,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 19:21:33,708 INFO L85 PathProgramCache]: Analyzing trace with hash -2045533675, now seen corresponding path program 1 times [2023-02-15 19:21:33,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 19:21:33,709 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360431336] [2023-02-15 19:21:33,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 19:21:33,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 19:21:33,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 19:21:33,753 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-02-15 19:21:33,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 19:21:33,753 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1360431336] [2023-02-15 19:21:33,753 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1360431336] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 19:21:33,753 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 19:21:33,754 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-15 19:21:33,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804881206] [2023-02-15 19:21:33,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 19:21:33,754 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-15 19:21:33,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 19:21:33,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-15 19:21:33,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 19:21:33,755 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) [2023-02-15 19:21:33,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 19:21:33,863 INFO L93 Difference]: Finished difference Result 411 states and 610 transitions. [2023-02-15 19:21:33,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-15 19:21:33,863 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 [2023-02-15 19:21:33,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 19:21:33,865 INFO L225 Difference]: With dead ends: 411 [2023-02-15 19:21:33,866 INFO L226 Difference]: Without dead ends: 232 [2023-02-15 19:21:33,867 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 19:21:33,868 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 [2023-02-15 19:21:33,868 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] [2023-02-15 19:21:33,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2023-02-15 19:21:33,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 228. [2023-02-15 19:21:33,875 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) [2023-02-15 19:21:33,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 316 transitions. [2023-02-15 19:21:33,876 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 316 transitions. Word has length 81 [2023-02-15 19:21:33,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 19:21:33,876 INFO L495 AbstractCegarLoop]: Abstraction has 228 states and 316 transitions. [2023-02-15 19:21:33,877 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) [2023-02-15 19:21:33,877 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 316 transitions. [2023-02-15 19:21:33,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-02-15 19:21:33,878 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 19:21:33,879 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] [2023-02-15 19:21:33,879 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-02-15 19:21:33,879 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-15 19:21:33,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 19:21:33,879 INFO L85 PathProgramCache]: Analyzing trace with hash 755662145, now seen corresponding path program 1 times [2023-02-15 19:21:33,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 19:21:33,880 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901432740] [2023-02-15 19:21:33,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 19:21:33,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 19:21:33,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 19:21:33,924 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-02-15 19:21:33,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 19:21:33,925 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1901432740] [2023-02-15 19:21:33,925 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1901432740] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 19:21:33,925 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 19:21:33,925 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-15 19:21:33,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502716082] [2023-02-15 19:21:33,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 19:21:33,926 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-15 19:21:33,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 19:21:33,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-15 19:21:33,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 19:21:33,927 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) [2023-02-15 19:21:34,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 19:21:34,037 INFO L93 Difference]: Finished difference Result 485 states and 686 transitions. [2023-02-15 19:21:34,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-15 19:21:34,038 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 [2023-02-15 19:21:34,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 19:21:34,039 INFO L225 Difference]: With dead ends: 485 [2023-02-15 19:21:34,039 INFO L226 Difference]: Without dead ends: 265 [2023-02-15 19:21:34,039 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 19:21:34,040 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 [2023-02-15 19:21:34,040 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] [2023-02-15 19:21:34,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2023-02-15 19:21:34,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 253. [2023-02-15 19:21:34,046 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) [2023-02-15 19:21:34,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 346 transitions. [2023-02-15 19:21:34,046 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 346 transitions. Word has length 101 [2023-02-15 19:21:34,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 19:21:34,047 INFO L495 AbstractCegarLoop]: Abstraction has 253 states and 346 transitions. [2023-02-15 19:21:34,047 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) [2023-02-15 19:21:34,047 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 346 transitions. [2023-02-15 19:21:34,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-02-15 19:21:34,048 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 19:21:34,048 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] [2023-02-15 19:21:34,048 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-02-15 19:21:34,049 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-15 19:21:34,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 19:21:34,049 INFO L85 PathProgramCache]: Analyzing trace with hash -687746511, now seen corresponding path program 1 times [2023-02-15 19:21:34,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 19:21:34,049 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [647505185] [2023-02-15 19:21:34,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 19:21:34,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 19:21:34,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 19:21:34,095 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-02-15 19:21:34,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 19:21:34,095 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [647505185] [2023-02-15 19:21:34,096 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [647505185] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 19:21:34,096 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 19:21:34,096 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-15 19:21:34,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [657333832] [2023-02-15 19:21:34,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 19:21:34,096 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-15 19:21:34,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 19:21:34,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-15 19:21:34,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 19:21:34,097 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) [2023-02-15 19:21:34,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 19:21:34,117 INFO L93 Difference]: Finished difference Result 739 states and 1011 transitions. [2023-02-15 19:21:34,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-15 19:21:34,118 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 [2023-02-15 19:21:34,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 19:21:34,119 INFO L225 Difference]: With dead ends: 739 [2023-02-15 19:21:34,119 INFO L226 Difference]: Without dead ends: 494 [2023-02-15 19:21:34,120 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 19:21:34,120 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 [2023-02-15 19:21:34,121 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] [2023-02-15 19:21:34,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 494 states. [2023-02-15 19:21:34,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 494 to 494. [2023-02-15 19:21:34,129 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) [2023-02-15 19:21:34,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 494 states and 672 transitions. [2023-02-15 19:21:34,131 INFO L78 Accepts]: Start accepts. Automaton has 494 states and 672 transitions. Word has length 121 [2023-02-15 19:21:34,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 19:21:34,131 INFO L495 AbstractCegarLoop]: Abstraction has 494 states and 672 transitions. [2023-02-15 19:21:34,131 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) [2023-02-15 19:21:34,131 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 672 transitions. [2023-02-15 19:21:34,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-02-15 19:21:34,132 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 19:21:34,133 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] [2023-02-15 19:21:34,133 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-02-15 19:21:34,133 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-15 19:21:34,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 19:21:34,133 INFO L85 PathProgramCache]: Analyzing trace with hash 209646767, now seen corresponding path program 1 times [2023-02-15 19:21:34,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 19:21:34,134 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350404022] [2023-02-15 19:21:34,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 19:21:34,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 19:21:34,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 19:21:34,241 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-02-15 19:21:34,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 19:21:34,241 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350404022] [2023-02-15 19:21:34,242 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1350404022] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 19:21:34,242 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 19:21:34,242 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-15 19:21:34,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419029662] [2023-02-15 19:21:34,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 19:21:34,242 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-15 19:21:34,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 19:21:34,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-15 19:21:34,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 19:21:34,243 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) [2023-02-15 19:21:34,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 19:21:34,281 INFO L93 Difference]: Finished difference Result 1219 states and 1660 transitions. [2023-02-15 19:21:34,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-15 19:21:34,282 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 [2023-02-15 19:21:34,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 19:21:34,284 INFO L225 Difference]: With dead ends: 1219 [2023-02-15 19:21:34,284 INFO L226 Difference]: Without dead ends: 733 [2023-02-15 19:21:34,284 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 19:21:34,285 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 [2023-02-15 19:21:34,285 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] [2023-02-15 19:21:34,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 733 states. [2023-02-15 19:21:34,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 733 to 733. [2023-02-15 19:21:34,299 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) [2023-02-15 19:21:34,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 733 states and 995 transitions. [2023-02-15 19:21:34,302 INFO L78 Accepts]: Start accepts. Automaton has 733 states and 995 transitions. Word has length 121 [2023-02-15 19:21:34,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 19:21:34,303 INFO L495 AbstractCegarLoop]: Abstraction has 733 states and 995 transitions. [2023-02-15 19:21:34,303 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) [2023-02-15 19:21:34,303 INFO L276 IsEmpty]: Start isEmpty. Operand 733 states and 995 transitions. [2023-02-15 19:21:34,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-02-15 19:21:34,309 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 19:21:34,309 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] [2023-02-15 19:21:34,310 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-02-15 19:21:34,310 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-15 19:21:34,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 19:21:34,310 INFO L85 PathProgramCache]: Analyzing trace with hash 1728089839, now seen corresponding path program 1 times [2023-02-15 19:21:34,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 19:21:34,311 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537843467] [2023-02-15 19:21:34,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 19:21:34,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 19:21:34,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 19:21:34,353 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2023-02-15 19:21:34,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 19:21:34,353 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537843467] [2023-02-15 19:21:34,353 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1537843467] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 19:21:34,353 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 19:21:34,353 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-15 19:21:34,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616431448] [2023-02-15 19:21:34,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 19:21:34,355 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-15 19:21:34,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 19:21:34,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-15 19:21:34,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 19:21:34,355 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) [2023-02-15 19:21:34,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 19:21:34,374 INFO L93 Difference]: Finished difference Result 1482 states and 2008 transitions. [2023-02-15 19:21:34,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-15 19:21:34,375 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 [2023-02-15 19:21:34,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 19:21:34,377 INFO L225 Difference]: With dead ends: 1482 [2023-02-15 19:21:34,377 INFO L226 Difference]: Without dead ends: 757 [2023-02-15 19:21:34,377 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 19:21:34,379 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 [2023-02-15 19:21:34,382 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] [2023-02-15 19:21:34,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 757 states. [2023-02-15 19:21:34,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 757 to 757. [2023-02-15 19:21:34,398 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) [2023-02-15 19:21:34,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 757 states to 757 states and 1024 transitions. [2023-02-15 19:21:34,399 INFO L78 Accepts]: Start accepts. Automaton has 757 states and 1024 transitions. Word has length 121 [2023-02-15 19:21:34,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 19:21:34,399 INFO L495 AbstractCegarLoop]: Abstraction has 757 states and 1024 transitions. [2023-02-15 19:21:34,400 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) [2023-02-15 19:21:34,401 INFO L276 IsEmpty]: Start isEmpty. Operand 757 states and 1024 transitions. [2023-02-15 19:21:34,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-02-15 19:21:34,402 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 19:21:34,402 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] [2023-02-15 19:21:34,402 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-02-15 19:21:34,402 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-15 19:21:34,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 19:21:34,403 INFO L85 PathProgramCache]: Analyzing trace with hash -305304207, now seen corresponding path program 1 times [2023-02-15 19:21:34,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 19:21:34,404 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166533364] [2023-02-15 19:21:34,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 19:21:34,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 19:21:34,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 19:21:34,441 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2023-02-15 19:21:34,441 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 19:21:34,441 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166533364] [2023-02-15 19:21:34,441 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [166533364] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 19:21:34,441 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 19:21:34,441 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-15 19:21:34,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540105068] [2023-02-15 19:21:34,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 19:21:34,442 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-15 19:21:34,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 19:21:34,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-15 19:21:34,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 19:21:34,442 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) [2023-02-15 19:21:34,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 19:21:34,459 INFO L93 Difference]: Finished difference Result 1519 states and 2050 transitions. [2023-02-15 19:21:34,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-15 19:21:34,460 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 [2023-02-15 19:21:34,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 19:21:34,462 INFO L225 Difference]: With dead ends: 1519 [2023-02-15 19:21:34,462 INFO L226 Difference]: Without dead ends: 770 [2023-02-15 19:21:34,462 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 19:21:34,464 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 [2023-02-15 19:21:34,464 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] [2023-02-15 19:21:34,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 770 states. [2023-02-15 19:21:34,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 770 to 770. [2023-02-15 19:21:34,475 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) [2023-02-15 19:21:34,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 770 states to 770 states and 1037 transitions. [2023-02-15 19:21:34,476 INFO L78 Accepts]: Start accepts. Automaton has 770 states and 1037 transitions. Word has length 121 [2023-02-15 19:21:34,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 19:21:34,476 INFO L495 AbstractCegarLoop]: Abstraction has 770 states and 1037 transitions. [2023-02-15 19:21:34,477 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) [2023-02-15 19:21:34,477 INFO L276 IsEmpty]: Start isEmpty. Operand 770 states and 1037 transitions. [2023-02-15 19:21:34,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2023-02-15 19:21:34,478 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 19:21:34,478 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] [2023-02-15 19:21:34,478 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-02-15 19:21:34,478 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-15 19:21:34,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 19:21:34,479 INFO L85 PathProgramCache]: Analyzing trace with hash -247255522, now seen corresponding path program 1 times [2023-02-15 19:21:34,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 19:21:34,479 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590870266] [2023-02-15 19:21:34,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 19:21:34,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 19:21:34,497 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-02-15 19:21:34,497 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [34258922] [2023-02-15 19:21:34,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 19:21:34,498 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 19:21:34,498 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 19:21:34,500 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-15 19:21:34,501 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-02-15 19:21:34,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 19:21:34,580 INFO L263 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 2 conjunts are in the unsatisfiable core [2023-02-15 19:21:34,587 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 19:21:34,634 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-02-15 19:21:34,634 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-02-15 19:21:34,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 19:21:34,634 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1590870266] [2023-02-15 19:21:34,634 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-02-15 19:21:34,634 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [34258922] [2023-02-15 19:21:34,634 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [34258922] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 19:21:34,634 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 19:21:34,634 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-15 19:21:34,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338138670] [2023-02-15 19:21:34,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 19:21:34,635 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-15 19:21:34,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 19:21:34,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-15 19:21:34,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 19:21:34,635 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) [2023-02-15 19:21:34,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 19:21:34,744 INFO L93 Difference]: Finished difference Result 1632 states and 2247 transitions. [2023-02-15 19:21:34,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-15 19:21:34,745 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 [2023-02-15 19:21:34,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 19:21:34,757 INFO L225 Difference]: With dead ends: 1632 [2023-02-15 19:21:34,757 INFO L226 Difference]: Without dead ends: 883 [2023-02-15 19:21:34,758 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 [2023-02-15 19:21:34,758 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 [2023-02-15 19:21:34,759 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] [2023-02-15 19:21:34,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 883 states. [2023-02-15 19:21:34,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 883 to 852. [2023-02-15 19:21:34,769 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) [2023-02-15 19:21:34,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 852 states to 852 states and 1135 transitions. [2023-02-15 19:21:34,771 INFO L78 Accepts]: Start accepts. Automaton has 852 states and 1135 transitions. Word has length 159 [2023-02-15 19:21:34,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 19:21:34,771 INFO L495 AbstractCegarLoop]: Abstraction has 852 states and 1135 transitions. [2023-02-15 19:21:34,771 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) [2023-02-15 19:21:34,771 INFO L276 IsEmpty]: Start isEmpty. Operand 852 states and 1135 transitions. [2023-02-15 19:21:34,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2023-02-15 19:21:34,773 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 19:21:34,773 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] [2023-02-15 19:21:34,780 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-02-15 19:21:34,978 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 [2023-02-15 19:21:34,980 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-15 19:21:34,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 19:21:34,981 INFO L85 PathProgramCache]: Analyzing trace with hash -485577875, now seen corresponding path program 1 times [2023-02-15 19:21:34,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 19:21:34,981 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025343384] [2023-02-15 19:21:34,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 19:21:34,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 19:21:34,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 19:21:35,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 19:21:35,001 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025343384] [2023-02-15 19:21:35,001 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-02-15 19:21:35,001 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1792543824] [2023-02-15 19:21:35,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 19:21:35,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 19:21:35,002 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 19:21:35,003 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-15 19:21:35,005 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-02-15 19:21:35,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 19:21:35,076 INFO L263 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 2 conjunts are in the unsatisfiable core [2023-02-15 19:21:35,079 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 19:21:35,092 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2023-02-15 19:21:35,092 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-02-15 19:21:35,093 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1792543824] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 19:21:35,093 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 19:21:35,093 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-15 19:21:35,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645793343] [2023-02-15 19:21:35,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 19:21:35,093 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-15 19:21:35,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 19:21:35,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-15 19:21:35,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 19:21:35,094 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) [2023-02-15 19:21:35,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 19:21:35,203 INFO L93 Difference]: Finished difference Result 1850 states and 2535 transitions. [2023-02-15 19:21:35,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-15 19:21:35,204 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 [2023-02-15 19:21:35,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 19:21:35,206 INFO L225 Difference]: With dead ends: 1850 [2023-02-15 19:21:35,206 INFO L226 Difference]: Without dead ends: 1016 [2023-02-15 19:21:35,207 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 [2023-02-15 19:21:35,208 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 [2023-02-15 19:21:35,208 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] [2023-02-15 19:21:35,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1016 states. [2023-02-15 19:21:35,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1016 to 1002. [2023-02-15 19:21:35,222 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) [2023-02-15 19:21:35,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1002 states to 1002 states and 1387 transitions. [2023-02-15 19:21:35,224 INFO L78 Accepts]: Start accepts. Automaton has 1002 states and 1387 transitions. Word has length 171 [2023-02-15 19:21:35,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 19:21:35,224 INFO L495 AbstractCegarLoop]: Abstraction has 1002 states and 1387 transitions. [2023-02-15 19:21:35,224 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) [2023-02-15 19:21:35,225 INFO L276 IsEmpty]: Start isEmpty. Operand 1002 states and 1387 transitions. [2023-02-15 19:21:35,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2023-02-15 19:21:35,227 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 19:21:35,227 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] [2023-02-15 19:21:35,234 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-02-15 19:21:35,431 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 [2023-02-15 19:21:35,432 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-15 19:21:35,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 19:21:35,432 INFO L85 PathProgramCache]: Analyzing trace with hash 118327499, now seen corresponding path program 1 times [2023-02-15 19:21:35,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 19:21:35,432 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37505467] [2023-02-15 19:21:35,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 19:21:35,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 19:21:35,442 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-02-15 19:21:35,443 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1356586141] [2023-02-15 19:21:35,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 19:21:35,443 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 19:21:35,443 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 19:21:35,458 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-15 19:21:35,459 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-02-15 19:21:35,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 19:21:35,528 INFO L263 TraceCheckSpWp]: Trace formula consists of 371 conjuncts, 2 conjunts are in the unsatisfiable core [2023-02-15 19:21:35,531 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 19:21:35,573 INFO L134 CoverageAnalysis]: Checked inductivity of 327 backedges. 227 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-02-15 19:21:35,573 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-02-15 19:21:35,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 19:21:35,573 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [37505467] [2023-02-15 19:21:35,573 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-02-15 19:21:35,574 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1356586141] [2023-02-15 19:21:35,574 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1356586141] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 19:21:35,574 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 19:21:35,574 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-15 19:21:35,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297291673] [2023-02-15 19:21:35,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 19:21:35,574 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-15 19:21:35,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 19:21:35,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-15 19:21:35,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 19:21:35,575 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) [2023-02-15 19:21:35,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 19:21:35,709 INFO L93 Difference]: Finished difference Result 2112 states and 2980 transitions. [2023-02-15 19:21:35,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-15 19:21:35,710 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 [2023-02-15 19:21:35,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 19:21:35,712 INFO L225 Difference]: With dead ends: 2112 [2023-02-15 19:21:35,713 INFO L226 Difference]: Without dead ends: 1098 [2023-02-15 19:21:35,714 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 [2023-02-15 19:21:35,714 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 [2023-02-15 19:21:35,714 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] [2023-02-15 19:21:35,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1098 states. [2023-02-15 19:21:35,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1098 to 1095. [2023-02-15 19:21:35,729 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) [2023-02-15 19:21:35,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1095 states to 1095 states and 1501 transitions. [2023-02-15 19:21:35,731 INFO L78 Accepts]: Start accepts. Automaton has 1095 states and 1501 transitions. Word has length 201 [2023-02-15 19:21:35,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 19:21:35,731 INFO L495 AbstractCegarLoop]: Abstraction has 1095 states and 1501 transitions. [2023-02-15 19:21:35,731 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) [2023-02-15 19:21:35,731 INFO L276 IsEmpty]: Start isEmpty. Operand 1095 states and 1501 transitions. [2023-02-15 19:21:35,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2023-02-15 19:21:35,734 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 19:21:35,734 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] [2023-02-15 19:21:35,741 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-02-15 19:21:35,938 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 [2023-02-15 19:21:35,939 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-15 19:21:35,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 19:21:35,939 INFO L85 PathProgramCache]: Analyzing trace with hash 810941761, now seen corresponding path program 1 times [2023-02-15 19:21:35,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 19:21:35,939 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108321991] [2023-02-15 19:21:35,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 19:21:35,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 19:21:35,951 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-02-15 19:21:35,951 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1868069209] [2023-02-15 19:21:35,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 19:21:35,951 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 19:21:35,951 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 19:21:35,952 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-15 19:21:35,955 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-02-15 19:21:36,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 19:21:36,034 INFO L263 TraceCheckSpWp]: Trace formula consists of 435 conjuncts, 2 conjunts are in the unsatisfiable core [2023-02-15 19:21:36,036 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 19:21:36,065 INFO L134 CoverageAnalysis]: Checked inductivity of 617 backedges. 319 proven. 0 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2023-02-15 19:21:36,065 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-02-15 19:21:36,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 19:21:36,065 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1108321991] [2023-02-15 19:21:36,065 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-02-15 19:21:36,066 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1868069209] [2023-02-15 19:21:36,066 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1868069209] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 19:21:36,066 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 19:21:36,066 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-15 19:21:36,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539584199] [2023-02-15 19:21:36,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 19:21:36,067 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-15 19:21:36,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 19:21:36,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-15 19:21:36,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 19:21:36,067 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) [2023-02-15 19:21:36,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 19:21:36,158 INFO L93 Difference]: Finished difference Result 2262 states and 3091 transitions. [2023-02-15 19:21:36,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-15 19:21:36,159 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 [2023-02-15 19:21:36,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 19:21:36,162 INFO L225 Difference]: With dead ends: 2262 [2023-02-15 19:21:36,162 INFO L226 Difference]: Without dead ends: 1090 [2023-02-15 19:21:36,163 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 [2023-02-15 19:21:36,163 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 [2023-02-15 19:21:36,164 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] [2023-02-15 19:21:36,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1090 states. [2023-02-15 19:21:36,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1090 to 1090. [2023-02-15 19:21:36,178 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) [2023-02-15 19:21:36,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1090 states to 1090 states and 1488 transitions. [2023-02-15 19:21:36,180 INFO L78 Accepts]: Start accepts. Automaton has 1090 states and 1488 transitions. Word has length 257 [2023-02-15 19:21:36,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 19:21:36,180 INFO L495 AbstractCegarLoop]: Abstraction has 1090 states and 1488 transitions. [2023-02-15 19:21:36,181 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) [2023-02-15 19:21:36,181 INFO L276 IsEmpty]: Start isEmpty. Operand 1090 states and 1488 transitions. [2023-02-15 19:21:36,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2023-02-15 19:21:36,183 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 19:21:36,183 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] [2023-02-15 19:21:36,190 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-02-15 19:21:36,388 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 [2023-02-15 19:21:36,388 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-15 19:21:36,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 19:21:36,389 INFO L85 PathProgramCache]: Analyzing trace with hash 1622703552, now seen corresponding path program 1 times [2023-02-15 19:21:36,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 19:21:36,389 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095141149] [2023-02-15 19:21:36,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 19:21:36,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 19:21:36,399 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-02-15 19:21:36,400 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [686674978] [2023-02-15 19:21:36,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 19:21:36,400 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 19:21:36,400 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 19:21:36,401 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-15 19:21:36,403 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-02-15 19:21:36,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 19:21:36,489 INFO L263 TraceCheckSpWp]: Trace formula consists of 456 conjuncts, 3 conjunts are in the unsatisfiable core [2023-02-15 19:21:36,491 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 19:21:36,628 INFO L134 CoverageAnalysis]: Checked inductivity of 654 backedges. 429 proven. 0 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2023-02-15 19:21:36,628 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-02-15 19:21:36,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 19:21:36,628 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1095141149] [2023-02-15 19:21:36,628 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-02-15 19:21:36,628 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [686674978] [2023-02-15 19:21:36,628 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [686674978] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 19:21:36,628 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 19:21:36,629 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-15 19:21:36,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533336045] [2023-02-15 19:21:36,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 19:21:36,629 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-15 19:21:36,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 19:21:36,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-15 19:21:36,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 19:21:36,630 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) [2023-02-15 19:21:36,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 19:21:36,680 INFO L93 Difference]: Finished difference Result 3111 states and 4277 transitions. [2023-02-15 19:21:36,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-15 19:21:36,681 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 [2023-02-15 19:21:36,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 19:21:36,685 INFO L225 Difference]: With dead ends: 3111 [2023-02-15 19:21:36,685 INFO L226 Difference]: Without dead ends: 1383 [2023-02-15 19:21:36,687 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 [2023-02-15 19:21:36,687 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 [2023-02-15 19:21:36,687 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] [2023-02-15 19:21:36,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1383 states. [2023-02-15 19:21:36,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1383 to 1381. [2023-02-15 19:21:36,712 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) [2023-02-15 19:21:36,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1381 states to 1381 states and 1890 transitions. [2023-02-15 19:21:36,715 INFO L78 Accepts]: Start accepts. Automaton has 1381 states and 1890 transitions. Word has length 269 [2023-02-15 19:21:36,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 19:21:36,715 INFO L495 AbstractCegarLoop]: Abstraction has 1381 states and 1890 transitions. [2023-02-15 19:21:36,715 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) [2023-02-15 19:21:36,716 INFO L276 IsEmpty]: Start isEmpty. Operand 1381 states and 1890 transitions. [2023-02-15 19:21:36,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2023-02-15 19:21:36,718 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 19:21:36,718 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] [2023-02-15 19:21:36,737 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-02-15 19:21:36,923 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 [2023-02-15 19:21:36,923 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-15 19:21:36,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 19:21:36,924 INFO L85 PathProgramCache]: Analyzing trace with hash 746936446, now seen corresponding path program 1 times [2023-02-15 19:21:36,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 19:21:36,924 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240326456] [2023-02-15 19:21:36,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 19:21:36,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 19:21:36,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 19:21:36,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 19:21:36,949 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1240326456] [2023-02-15 19:21:36,949 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-02-15 19:21:36,949 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1208237929] [2023-02-15 19:21:36,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 19:21:36,950 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 19:21:36,950 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 19:21:36,965 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-15 19:21:36,999 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-02-15 19:21:37,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 19:21:37,103 INFO L263 TraceCheckSpWp]: Trace formula consists of 524 conjuncts, 3 conjunts are in the unsatisfiable core [2023-02-15 19:21:37,105 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 19:21:37,137 INFO L134 CoverageAnalysis]: Checked inductivity of 954 backedges. 500 proven. 0 refuted. 0 times theorem prover too weak. 454 trivial. 0 not checked. [2023-02-15 19:21:37,137 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-02-15 19:21:37,138 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1208237929] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 19:21:37,138 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 19:21:37,138 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-15 19:21:37,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667561078] [2023-02-15 19:21:37,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 19:21:37,138 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-15 19:21:37,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 19:21:37,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-15 19:21:37,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 19:21:37,139 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) [2023-02-15 19:21:37,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 19:21:37,268 INFO L93 Difference]: Finished difference Result 2877 states and 3987 transitions. [2023-02-15 19:21:37,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-15 19:21:37,268 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 [2023-02-15 19:21:37,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 19:21:37,272 INFO L225 Difference]: With dead ends: 2877 [2023-02-15 19:21:37,272 INFO L226 Difference]: Without dead ends: 1517 [2023-02-15 19:21:37,274 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 [2023-02-15 19:21:37,275 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 [2023-02-15 19:21:37,276 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] [2023-02-15 19:21:37,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1517 states. [2023-02-15 19:21:37,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1517 to 1489. [2023-02-15 19:21:37,295 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) [2023-02-15 19:21:37,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1489 states to 1489 states and 2018 transitions. [2023-02-15 19:21:37,297 INFO L78 Accepts]: Start accepts. Automaton has 1489 states and 2018 transitions. Word has length 315 [2023-02-15 19:21:37,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 19:21:37,298 INFO L495 AbstractCegarLoop]: Abstraction has 1489 states and 2018 transitions. [2023-02-15 19:21:37,298 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) [2023-02-15 19:21:37,298 INFO L276 IsEmpty]: Start isEmpty. Operand 1489 states and 2018 transitions. [2023-02-15 19:21:37,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2023-02-15 19:21:37,300 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 19:21:37,301 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] [2023-02-15 19:21:37,319 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-02-15 19:21:37,506 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 [2023-02-15 19:21:37,506 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-15 19:21:37,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 19:21:37,506 INFO L85 PathProgramCache]: Analyzing trace with hash -1865013778, now seen corresponding path program 1 times [2023-02-15 19:21:37,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 19:21:37,507 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327098769] [2023-02-15 19:21:37,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 19:21:37,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 19:21:37,525 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-02-15 19:21:37,525 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1866237395] [2023-02-15 19:21:37,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 19:21:37,526 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 19:21:37,526 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 19:21:37,526 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-15 19:21:37,529 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-02-15 19:21:37,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 19:21:37,623 INFO L263 TraceCheckSpWp]: Trace formula consists of 557 conjuncts, 3 conjunts are in the unsatisfiable core [2023-02-15 19:21:37,626 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 19:21:37,651 INFO L134 CoverageAnalysis]: Checked inductivity of 1151 backedges. 642 proven. 0 refuted. 0 times theorem prover too weak. 509 trivial. 0 not checked. [2023-02-15 19:21:37,651 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-02-15 19:21:37,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 19:21:37,651 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [327098769] [2023-02-15 19:21:37,651 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-02-15 19:21:37,651 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1866237395] [2023-02-15 19:21:37,652 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1866237395] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 19:21:37,652 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 19:21:37,652 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-15 19:21:37,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713680527] [2023-02-15 19:21:37,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 19:21:37,652 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-15 19:21:37,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 19:21:37,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-15 19:21:37,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 19:21:37,653 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) [2023-02-15 19:21:37,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 19:21:37,757 INFO L93 Difference]: Finished difference Result 3081 states and 4219 transitions. [2023-02-15 19:21:37,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-15 19:21:37,758 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 [2023-02-15 19:21:37,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 19:21:37,761 INFO L225 Difference]: With dead ends: 3081 [2023-02-15 19:21:37,762 INFO L226 Difference]: Without dead ends: 1613 [2023-02-15 19:21:37,763 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 [2023-02-15 19:21:37,763 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 [2023-02-15 19:21:37,763 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] [2023-02-15 19:21:37,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1613 states. [2023-02-15 19:21:37,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1613 to 1605. [2023-02-15 19:21:37,784 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) [2023-02-15 19:21:37,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1605 states to 1605 states and 2154 transitions. [2023-02-15 19:21:37,787 INFO L78 Accepts]: Start accepts. Automaton has 1605 states and 2154 transitions. Word has length 338 [2023-02-15 19:21:37,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 19:21:37,788 INFO L495 AbstractCegarLoop]: Abstraction has 1605 states and 2154 transitions. [2023-02-15 19:21:37,788 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) [2023-02-15 19:21:37,788 INFO L276 IsEmpty]: Start isEmpty. Operand 1605 states and 2154 transitions. [2023-02-15 19:21:37,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 371 [2023-02-15 19:21:37,791 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 19:21:37,791 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] [2023-02-15 19:21:37,798 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-02-15 19:21:37,996 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 [2023-02-15 19:21:37,996 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-15 19:21:37,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 19:21:37,997 INFO L85 PathProgramCache]: Analyzing trace with hash -1876884711, now seen corresponding path program 1 times [2023-02-15 19:21:37,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 19:21:37,997 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220745367] [2023-02-15 19:21:37,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 19:21:37,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 19:21:38,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 19:21:38,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 19:21:38,027 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220745367] [2023-02-15 19:21:38,027 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-02-15 19:21:38,027 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1963280214] [2023-02-15 19:21:38,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 19:21:38,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 19:21:38,028 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 19:21:38,029 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-15 19:21:38,031 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-02-15 19:21:38,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 19:21:38,130 INFO L263 TraceCheckSpWp]: Trace formula consists of 599 conjuncts, 3 conjunts are in the unsatisfiable core [2023-02-15 19:21:38,132 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 19:21:38,217 INFO L134 CoverageAnalysis]: Checked inductivity of 1396 backedges. 905 proven. 26 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2023-02-15 19:21:38,217 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-15 19:21:38,297 INFO L134 CoverageAnalysis]: Checked inductivity of 1396 backedges. 905 proven. 26 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2023-02-15 19:21:38,298 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1963280214] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-15 19:21:38,298 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-02-15 19:21:38,298 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2023-02-15 19:21:38,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116508457] [2023-02-15 19:21:38,298 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-02-15 19:21:38,299 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-02-15 19:21:38,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 19:21:38,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-02-15 19:21:38,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-02-15 19:21:38,300 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) [2023-02-15 19:21:38,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 19:21:38,602 INFO L93 Difference]: Finished difference Result 3916 states and 5329 transitions. [2023-02-15 19:21:38,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-02-15 19:21:38,602 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 [2023-02-15 19:21:38,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 19:21:38,608 INFO L225 Difference]: With dead ends: 3916 [2023-02-15 19:21:38,608 INFO L226 Difference]: Without dead ends: 2213 [2023-02-15 19:21:38,610 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 [2023-02-15 19:21:38,610 INFO L413 NwaCegarLoop]: 175 mSDtfsCounter, 544 mSDsluCounter, 279 mSDsCounter, 0 mSdLazyCounter, 335 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 544 SdHoareTripleChecker+Valid, 454 SdHoareTripleChecker+Invalid, 436 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 335 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-02-15 19:21:38,610 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [544 Valid, 454 Invalid, 436 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 335 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-02-15 19:21:38,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2213 states. [2023-02-15 19:21:38,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2213 to 1617. [2023-02-15 19:21:38,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1617 states, 1616 states have (on average 1.3292079207920793) internal successors, (2148), 1616 states have internal predecessors, (2148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 19:21:38,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1617 states to 1617 states and 2148 transitions. [2023-02-15 19:21:38,636 INFO L78 Accepts]: Start accepts. Automaton has 1617 states and 2148 transitions. Word has length 370 [2023-02-15 19:21:38,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 19:21:38,637 INFO L495 AbstractCegarLoop]: Abstraction has 1617 states and 2148 transitions. [2023-02-15 19:21:38,637 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) [2023-02-15 19:21:38,637 INFO L276 IsEmpty]: Start isEmpty. Operand 1617 states and 2148 transitions. [2023-02-15 19:21:38,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 471 [2023-02-15 19:21:38,641 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 19:21:38,641 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] [2023-02-15 19:21:38,656 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-02-15 19:21:38,846 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 [2023-02-15 19:21:38,847 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-15 19:21:38,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 19:21:38,848 INFO L85 PathProgramCache]: Analyzing trace with hash 1752367566, now seen corresponding path program 1 times [2023-02-15 19:21:38,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 19:21:38,848 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380203013] [2023-02-15 19:21:38,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 19:21:38,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 19:21:38,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 19:21:38,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 19:21:38,882 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [380203013] [2023-02-15 19:21:38,882 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-02-15 19:21:38,882 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1558889880] [2023-02-15 19:21:38,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 19:21:38,882 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 19:21:38,882 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 19:21:38,883 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-15 19:21:38,894 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-02-15 19:21:39,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 19:21:39,014 INFO L263 TraceCheckSpWp]: Trace formula consists of 737 conjuncts, 3 conjunts are in the unsatisfiable core [2023-02-15 19:21:39,018 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 19:21:39,052 INFO L134 CoverageAnalysis]: Checked inductivity of 2338 backedges. 1323 proven. 0 refuted. 0 times theorem prover too weak. 1015 trivial. 0 not checked. [2023-02-15 19:21:39,052 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-02-15 19:21:39,052 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1558889880] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 19:21:39,052 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 19:21:39,052 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-15 19:21:39,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852733654] [2023-02-15 19:21:39,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 19:21:39,053 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-15 19:21:39,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 19:21:39,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-15 19:21:39,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 19:21:39,054 INFO L87 Difference]: Start difference. First operand 1617 states and 2148 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) [2023-02-15 19:21:39,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 19:21:39,151 INFO L93 Difference]: Finished difference Result 3393 states and 4581 transitions. [2023-02-15 19:21:39,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-15 19:21:39,152 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 [2023-02-15 19:21:39,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 19:21:39,156 INFO L225 Difference]: With dead ends: 3393 [2023-02-15 19:21:39,156 INFO L226 Difference]: Without dead ends: 1797 [2023-02-15 19:21:39,157 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 [2023-02-15 19:21:39,158 INFO L413 NwaCegarLoop]: 189 mSDtfsCounter, 11 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 284 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-15 19:21:39,158 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 284 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-15 19:21:39,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1797 states. [2023-02-15 19:21:39,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1797 to 1787. [2023-02-15 19:21:39,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1787 states, 1786 states have (on average 1.3118701007838747) internal successors, (2343), 1786 states have internal predecessors, (2343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 19:21:39,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1787 states to 1787 states and 2343 transitions. [2023-02-15 19:21:39,182 INFO L78 Accepts]: Start accepts. Automaton has 1787 states and 2343 transitions. Word has length 470 [2023-02-15 19:21:39,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 19:21:39,182 INFO L495 AbstractCegarLoop]: Abstraction has 1787 states and 2343 transitions. [2023-02-15 19:21:39,182 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) [2023-02-15 19:21:39,183 INFO L276 IsEmpty]: Start isEmpty. Operand 1787 states and 2343 transitions. [2023-02-15 19:21:39,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 533 [2023-02-15 19:21:39,187 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 19:21:39,187 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] [2023-02-15 19:21:39,209 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-02-15 19:21:39,393 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 [2023-02-15 19:21:39,393 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-15 19:21:39,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 19:21:39,393 INFO L85 PathProgramCache]: Analyzing trace with hash -742298620, now seen corresponding path program 1 times [2023-02-15 19:21:39,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 19:21:39,394 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803911943] [2023-02-15 19:21:39,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 19:21:39,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 19:21:39,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 19:21:39,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 19:21:39,434 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803911943] [2023-02-15 19:21:39,434 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-02-15 19:21:39,434 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1581187123] [2023-02-15 19:21:39,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 19:21:39,434 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 19:21:39,434 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 19:21:39,435 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-15 19:21:39,463 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-02-15 19:21:39,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 19:21:39,582 INFO L263 TraceCheckSpWp]: Trace formula consists of 819 conjuncts, 3 conjunts are in the unsatisfiable core [2023-02-15 19:21:39,585 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 19:21:39,618 INFO L134 CoverageAnalysis]: Checked inductivity of 3103 backedges. 1760 proven. 0 refuted. 0 times theorem prover too weak. 1343 trivial. 0 not checked. [2023-02-15 19:21:39,618 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-02-15 19:21:39,618 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1581187123] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 19:21:39,618 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 19:21:39,619 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-15 19:21:39,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070290759] [2023-02-15 19:21:39,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 19:21:39,621 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-15 19:21:39,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 19:21:39,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-15 19:21:39,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 19:21:39,622 INFO L87 Difference]: Start difference. First operand 1787 states and 2343 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) [2023-02-15 19:21:39,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 19:21:39,724 INFO L93 Difference]: Finished difference Result 3743 states and 4991 transitions. [2023-02-15 19:21:39,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-15 19:21:39,725 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 [2023-02-15 19:21:39,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 19:21:39,729 INFO L225 Difference]: With dead ends: 3743 [2023-02-15 19:21:39,729 INFO L226 Difference]: Without dead ends: 1977 [2023-02-15 19:21:39,731 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 [2023-02-15 19:21:39,732 INFO L413 NwaCegarLoop]: 189 mSDtfsCounter, 11 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 284 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-15 19:21:39,732 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 284 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-15 19:21:39,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1977 states. [2023-02-15 19:21:39,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1977 to 1967. [2023-02-15 19:21:39,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1967 states, 1966 states have (on average 1.2960325534079349) internal successors, (2548), 1966 states have internal predecessors, (2548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 19:21:39,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1967 states to 1967 states and 2548 transitions. [2023-02-15 19:21:39,763 INFO L78 Accepts]: Start accepts. Automaton has 1967 states and 2548 transitions. Word has length 532 [2023-02-15 19:21:39,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 19:21:39,763 INFO L495 AbstractCegarLoop]: Abstraction has 1967 states and 2548 transitions. [2023-02-15 19:21:39,763 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) [2023-02-15 19:21:39,763 INFO L276 IsEmpty]: Start isEmpty. Operand 1967 states and 2548 transitions. [2023-02-15 19:21:39,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 599 [2023-02-15 19:21:39,767 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 19:21:39,767 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] [2023-02-15 19:21:39,774 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-02-15 19:21:39,972 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 [2023-02-15 19:21:39,973 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-15 19:21:39,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 19:21:39,973 INFO L85 PathProgramCache]: Analyzing trace with hash -1835374162, now seen corresponding path program 1 times [2023-02-15 19:21:39,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 19:21:39,973 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [5992262] [2023-02-15 19:21:39,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 19:21:39,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 19:21:39,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 19:21:40,018 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 19:21:40,019 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [5992262] [2023-02-15 19:21:40,019 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-02-15 19:21:40,019 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1856211620] [2023-02-15 19:21:40,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 19:21:40,019 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 19:21:40,019 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 19:21:40,020 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-15 19:21:40,046 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-02-15 19:21:40,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 19:21:40,197 INFO L263 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 3 conjunts are in the unsatisfiable core [2023-02-15 19:21:40,201 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 19:21:40,258 INFO L134 CoverageAnalysis]: Checked inductivity of 4010 backedges. 2316 proven. 26 refuted. 0 times theorem prover too weak. 1668 trivial. 0 not checked. [2023-02-15 19:21:40,259 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-15 19:21:40,319 INFO L134 CoverageAnalysis]: Checked inductivity of 4010 backedges. 2316 proven. 26 refuted. 0 times theorem prover too weak. 1668 trivial. 0 not checked. [2023-02-15 19:21:40,319 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1856211620] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-15 19:21:40,320 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-02-15 19:21:40,320 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2023-02-15 19:21:40,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720526168] [2023-02-15 19:21:40,320 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-02-15 19:21:40,320 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-02-15 19:21:40,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 19:21:40,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-02-15 19:21:40,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-02-15 19:21:40,321 INFO L87 Difference]: Start difference. First operand 1967 states and 2548 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) [2023-02-15 19:21:40,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 19:21:40,659 INFO L93 Difference]: Finished difference Result 5892 states and 7669 transitions. [2023-02-15 19:21:40,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-02-15 19:21:40,660 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 [2023-02-15 19:21:40,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 19:21:40,669 INFO L225 Difference]: With dead ends: 5892 [2023-02-15 19:21:40,669 INFO L226 Difference]: Without dead ends: 3833 [2023-02-15 19:21:40,672 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 [2023-02-15 19:21:40,672 INFO L413 NwaCegarLoop]: 326 mSDtfsCounter, 332 mSDsluCounter, 623 mSDsCounter, 0 mSdLazyCounter, 566 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 332 SdHoareTripleChecker+Valid, 949 SdHoareTripleChecker+Invalid, 619 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 566 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-02-15 19:21:40,673 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [332 Valid, 949 Invalid, 619 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 566 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-02-15 19:21:40,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3833 states. [2023-02-15 19:21:40,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3833 to 2369. [2023-02-15 19:21:40,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2369 states, 2368 states have (on average 1.338260135135135) internal successors, (3169), 2368 states have internal predecessors, (3169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 19:21:40,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2369 states to 2369 states and 3169 transitions. [2023-02-15 19:21:40,722 INFO L78 Accepts]: Start accepts. Automaton has 2369 states and 3169 transitions. Word has length 598 [2023-02-15 19:21:40,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 19:21:40,722 INFO L495 AbstractCegarLoop]: Abstraction has 2369 states and 3169 transitions. [2023-02-15 19:21:40,722 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) [2023-02-15 19:21:40,722 INFO L276 IsEmpty]: Start isEmpty. Operand 2369 states and 3169 transitions. [2023-02-15 19:21:40,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 723 [2023-02-15 19:21:40,726 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 19:21:40,727 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] [2023-02-15 19:21:40,733 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-02-15 19:21:40,933 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 [2023-02-15 19:21:40,933 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-15 19:21:40,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 19:21:40,933 INFO L85 PathProgramCache]: Analyzing trace with hash 465535293, now seen corresponding path program 1 times [2023-02-15 19:21:40,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 19:21:40,934 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1863363154] [2023-02-15 19:21:40,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 19:21:40,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 19:21:40,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 19:21:41,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 19:21:41,008 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1863363154] [2023-02-15 19:21:41,008 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-02-15 19:21:41,008 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [328059781] [2023-02-15 19:21:41,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 19:21:41,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 19:21:41,008 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 19:21:41,009 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-15 19:21:41,018 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-02-15 19:21:41,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 19:21:41,167 INFO L263 TraceCheckSpWp]: Trace formula consists of 1102 conjuncts, 2 conjunts are in the unsatisfiable core [2023-02-15 19:21:41,172 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 19:21:41,238 INFO L134 CoverageAnalysis]: Checked inductivity of 5990 backedges. 3252 proven. 0 refuted. 0 times theorem prover too weak. 2738 trivial. 0 not checked. [2023-02-15 19:21:41,238 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-02-15 19:21:41,238 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [328059781] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 19:21:41,238 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 19:21:41,238 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-15 19:21:41,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335934780] [2023-02-15 19:21:41,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 19:21:41,239 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-15 19:21:41,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 19:21:41,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-15 19:21:41,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 19:21:41,240 INFO L87 Difference]: Start difference. First operand 2369 states and 3169 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) [2023-02-15 19:21:41,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 19:21:41,332 INFO L93 Difference]: Finished difference Result 2968 states and 3959 transitions. [2023-02-15 19:21:41,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-15 19:21:41,333 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 [2023-02-15 19:21:41,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 19:21:41,333 INFO L225 Difference]: With dead ends: 2968 [2023-02-15 19:21:41,333 INFO L226 Difference]: Without dead ends: 0 [2023-02-15 19:21:41,335 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 [2023-02-15 19:21:41,336 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 123 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-15 19:21:41,336 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 146 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-15 19:21:41,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-02-15 19:21:41,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-02-15 19:21:41,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 19:21:41,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-02-15 19:21:41,336 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 722 [2023-02-15 19:21:41,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 19:21:41,336 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-02-15 19:21:41,337 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) [2023-02-15 19:21:41,337 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-02-15 19:21:41,337 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-02-15 19:21:41,339 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-02-15 19:21:41,344 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-02-15 19:21:41,544 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 [2023-02-15 19:21:41,546 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-02-15 19:21:42,877 INFO L899 garLoopResultBuilder]: For program point L564(lines 564 568) no Hoare annotation was computed. [2023-02-15 19:21:42,877 INFO L899 garLoopResultBuilder]: For program point L399(lines 399 405) no Hoare annotation was computed. [2023-02-15 19:21:42,877 INFO L899 garLoopResultBuilder]: For program point L366(lines 366 385) no Hoare annotation was computed. [2023-02-15 19:21:42,877 INFO L895 garLoopResultBuilder]: At program point ssl3_accept_switch_1_8593#1(lines 184 610) 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 (< |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8656) .cse2 (<= 8448 |ULTIMATE.start_ssl3_accept_~s__state~0#1|) (<= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 8576)) (and .cse0 .cse2 .cse1))) [2023-02-15 19:21:42,877 INFO L899 garLoopResultBuilder]: For program point L499(lines 499 503) no Hoare annotation was computed. [2023-02-15 19:21:42,877 INFO L899 garLoopResultBuilder]: For program point L367(lines 367 371) no Hoare annotation was computed. [2023-02-15 19:21:42,877 INFO L899 garLoopResultBuilder]: For program point L367-2(lines 366 383) no Hoare annotation was computed. [2023-02-15 19:21:42,877 INFO L895 garLoopResultBuilder]: At program point ssl3_accept_switch_1_8529#1(lines 157 619) 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|))))) [2023-02-15 19:21:42,877 INFO L899 garLoopResultBuilder]: For program point L202(lines 202 604) no Hoare annotation was computed. [2023-02-15 19:21:42,877 INFO L899 garLoopResultBuilder]: For program point L169(lines 169 615) no Hoare annotation was computed. [2023-02-15 19:21:42,878 INFO L899 garLoopResultBuilder]: For program point L136(lines 136 626) no Hoare annotation was computed. [2023-02-15 19:21:42,878 INFO L899 garLoopResultBuilder]: For program point L467(lines 467 471) no Hoare annotation was computed. [2023-02-15 19:21:42,878 INFO L895 garLoopResultBuilder]: At program point ssl3_accept_switch_1_8497#1(lines 145 623) the Hoare annotation is: (let ((.cse1 (= 2 |ULTIMATE.start_ssl3_accept_~blastFlag~0#1|)) (.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 (= 1 |ULTIMATE.start_ssl3_accept_~blastFlag~0#1|))) (or (and .cse0 .cse1 (<= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 8576) (< |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8576)) (and .cse2 .cse3 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 3)) (and .cse2 .cse1 .cse3) (and .cse2 .cse3 .cse4) (and .cse0 .cse4 (not (<= 8576 |ULTIMATE.start_ssl3_accept_~s__state~0#1|))))) [2023-02-15 19:21:42,878 INFO L899 garLoopResultBuilder]: For program point L335-1(lines 335 344) no Hoare annotation was computed. [2023-02-15 19:21:42,878 INFO L902 garLoopResultBuilder]: At program point L666(lines 74 683) the Hoare annotation is: true [2023-02-15 19:21:42,878 INFO L895 garLoopResultBuilder]: At program point ssl3_accept_switch_1_8482#1(lines 133 627) the Hoare annotation is: (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8672) [2023-02-15 19:21:42,878 INFO L899 garLoopResultBuilder]: For program point L205(lines 205 603) no Hoare annotation was computed. [2023-02-15 19:21:42,878 INFO L899 garLoopResultBuilder]: For program point L172(lines 172 614) no Hoare annotation was computed. [2023-02-15 19:21:42,878 INFO L899 garLoopResultBuilder]: For program point L139(lines 139 625) no Hoare annotation was computed. [2023-02-15 19:21:42,878 INFO L899 garLoopResultBuilder]: For program point L635(lines 635 663) no Hoare annotation was computed. [2023-02-15 19:21:42,878 INFO L899 garLoopResultBuilder]: For program point L239(lines 239 256) no Hoare annotation was computed. [2023-02-15 19:21:42,878 INFO L899 garLoopResultBuilder]: For program point L239-2(lines 219 596) no Hoare annotation was computed. [2023-02-15 19:21:42,878 INFO L899 garLoopResultBuilder]: For program point L636(lines 636 660) no Hoare annotation was computed. [2023-02-15 19:21:42,878 INFO L899 garLoopResultBuilder]: For program point L570(lines 570 574) no Hoare annotation was computed. [2023-02-15 19:21:42,878 INFO L899 garLoopResultBuilder]: For program point L537(lines 537 541) no Hoare annotation was computed. [2023-02-15 19:21:42,879 INFO L899 garLoopResultBuilder]: For program point L570-2(lines 570 574) no Hoare annotation was computed. [2023-02-15 19:21:42,879 INFO L899 garLoopResultBuilder]: For program point L537-2(lines 219 596) no Hoare annotation was computed. [2023-02-15 19:21:42,879 INFO L899 garLoopResultBuilder]: For program point L339(lines 339 343) no Hoare annotation was computed. [2023-02-15 19:21:42,879 INFO L899 garLoopResultBuilder]: For program point L670(lines 670 674) no Hoare annotation was computed. [2023-02-15 19:21:42,879 INFO L899 garLoopResultBuilder]: For program point L637(lines 637 646) no Hoare annotation was computed. [2023-02-15 19:21:42,879 INFO L899 garLoopResultBuilder]: For program point L670-2(lines 670 674) no Hoare annotation was computed. [2023-02-15 19:21:42,879 INFO L899 garLoopResultBuilder]: For program point L637-2(lines 636 658) no Hoare annotation was computed. [2023-02-15 19:21:42,879 INFO L899 garLoopResultBuilder]: For program point L472(lines 472 483) no Hoare annotation was computed. [2023-02-15 19:21:42,879 INFO L899 garLoopResultBuilder]: For program point L439(lines 439 443) no Hoare annotation was computed. [2023-02-15 19:21:42,879 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|))))) [2023-02-15 19:21:42,879 INFO L899 garLoopResultBuilder]: For program point L241(lines 241 246) no Hoare annotation was computed. [2023-02-15 19:21:42,879 INFO L899 garLoopResultBuilder]: For program point L208(lines 208 602) no Hoare annotation was computed. [2023-02-15 19:21:42,879 INFO L899 garLoopResultBuilder]: For program point L175(lines 175 613) no Hoare annotation was computed. [2023-02-15 19:21:42,879 INFO L899 garLoopResultBuilder]: For program point L142(lines 142 624) no Hoare annotation was computed. [2023-02-15 19:21:42,879 INFO L895 garLoopResultBuilder]: At program point L109-2(lines 109 665) the Hoare annotation is: (let ((.cse2 (= 2 |ULTIMATE.start_ssl3_accept_~blastFlag~0#1|)) (.cse0 (not (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|))) (.cse3 (<= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 8576)) (.cse1 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 3))) (or (and .cse0 .cse1) (and (= 0 |ULTIMATE.start_ssl3_accept_~blastFlag~0#1|) (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8464)) (and .cse2 (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8656) .cse3) (and .cse2 (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8528)) (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 3) (and (< |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8656) .cse2 .cse3) (and .cse2 (= |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) .cse1 (<= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 3)) (and (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8544) .cse2) (and .cse2 (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8512)) (and (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8496) (= 1 |ULTIMATE.start_ssl3_accept_~blastFlag~0#1|)) (and .cse2 .cse0) (and (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8672) (<= 8672 |ULTIMATE.start_ssl3_accept_~s__state~0#1|) .cse3 .cse1))) [2023-02-15 19:21:42,879 INFO L899 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2023-02-15 19:21:42,879 INFO L902 garLoopResultBuilder]: At program point main_returnLabel#1(lines 685 696) the Hoare annotation is: true [2023-02-15 19:21:42,879 INFO L899 garLoopResultBuilder]: For program point L639(lines 639 643) no Hoare annotation was computed. [2023-02-15 19:21:42,879 INFO L899 garLoopResultBuilder]: For program point L375(lines 375 379) no Hoare annotation was computed. [2023-02-15 19:21:42,879 INFO L899 garLoopResultBuilder]: For program point L409(lines 409 415) no Hoare annotation was computed. [2023-02-15 19:21:42,880 INFO L895 garLoopResultBuilder]: At program point ssl3_accept_switch_1_8481#1(lines 127 629) 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 (<= 8448 |ULTIMATE.start_ssl3_accept_~s__state~0#1|) .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 .cse2 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 3)) (and .cse1 .cse0 .cse2))) [2023-02-15 19:21:42,880 INFO L899 garLoopResultBuilder]: For program point L211(lines 211 601) no Hoare annotation was computed. [2023-02-15 19:21:42,880 INFO L899 garLoopResultBuilder]: For program point L178(lines 178 612) no Hoare annotation was computed. [2023-02-15 19:21:42,880 INFO L899 garLoopResultBuilder]: For program point L145(lines 145 623) no Hoare annotation was computed. [2023-02-15 19:21:42,880 INFO L899 garLoopResultBuilder]: For program point L112(lines 112 634) no Hoare annotation was computed. [2023-02-15 19:21:42,880 INFO L899 garLoopResultBuilder]: For program point L476(lines 476 480) no Hoare annotation was computed. [2023-02-15 19:21:42,880 INFO L899 garLoopResultBuilder]: For program point L510(lines 510 514) no Hoare annotation was computed. [2023-02-15 19:21:42,880 INFO L899 garLoopResultBuilder]: For program point L510-2(lines 219 596) no Hoare annotation was computed. [2023-02-15 19:21:42,880 INFO L899 garLoopResultBuilder]: For program point L247(lines 247 252) no Hoare annotation was computed. [2023-02-15 19:21:42,880 INFO L899 garLoopResultBuilder]: For program point L214(lines 214 600) no Hoare annotation was computed. [2023-02-15 19:21:42,880 INFO L899 garLoopResultBuilder]: For program point L181(lines 181 611) no Hoare annotation was computed. [2023-02-15 19:21:42,880 INFO L899 garLoopResultBuilder]: For program point L148(lines 148 622) no Hoare annotation was computed. [2023-02-15 19:21:42,880 INFO L899 garLoopResultBuilder]: For program point L115(lines 115 633) no Hoare annotation was computed. [2023-02-15 19:21:42,880 INFO L899 garLoopResultBuilder]: For program point L83(lines 83 91) no Hoare annotation was computed. [2023-02-15 19:21:42,880 INFO L899 garLoopResultBuilder]: For program point L282(lines 282 286) no Hoare annotation was computed. [2023-02-15 19:21:42,880 INFO L895 garLoopResultBuilder]: At program point ssl3_accept_switch_1_8657#1(lines 202 604) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8672)) (.cse1 (= 2 |ULTIMATE.start_ssl3_accept_~blastFlag~0#1|)) (.cse2 (not (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|)))) (or (and .cse0 .cse1 (<= 8448 |ULTIMATE.start_ssl3_accept_~s__state~0#1|) (<= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 8576)) (and .cse0 .cse2 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 3)) (and .cse0 .cse1 .cse2))) [2023-02-15 19:21:42,880 INFO L899 garLoopResultBuilder]: For program point L580(lines 580 590) no Hoare annotation was computed. [2023-02-15 19:21:42,880 INFO L899 garLoopResultBuilder]: For program point L580-1(lines 580 590) no Hoare annotation was computed. [2023-02-15 19:21:42,880 INFO L899 garLoopResultBuilder]: For program point L316(lines 316 320) no Hoare annotation was computed. [2023-02-15 19:21:42,880 INFO L899 garLoopResultBuilder]: For program point L316-2(lines 219 596) no Hoare annotation was computed. [2023-02-15 19:21:42,880 INFO L899 garLoopResultBuilder]: For program point L184(lines 184 610) no Hoare annotation was computed. [2023-02-15 19:21:42,880 INFO L899 garLoopResultBuilder]: For program point L151(lines 151 621) no Hoare annotation was computed. [2023-02-15 19:21:42,882 INFO L899 garLoopResultBuilder]: For program point L118(lines 118 632) no Hoare annotation was computed. [2023-02-15 19:21:42,882 INFO L899 garLoopResultBuilder]: For program point L449-1(lines 449 461) no Hoare annotation was computed. [2023-02-15 19:21:42,882 INFO L899 garLoopResultBuilder]: For program point L86(lines 86 90) no Hoare annotation was computed. [2023-02-15 19:21:42,882 INFO L899 garLoopResultBuilder]: For program point L86-2(lines 83 91) no Hoare annotation was computed. [2023-02-15 19:21:42,882 INFO L902 garLoopResultBuilder]: At program point L681(lines 74 683) the Hoare annotation is: true [2023-02-15 19:21:42,882 INFO L899 garLoopResultBuilder]: For program point L648(lines 648 654) no Hoare annotation was computed. [2023-02-15 19:21:42,882 INFO L899 garLoopResultBuilder]: For program point L549(lines 549 554) no Hoare annotation was computed. [2023-02-15 19:21:42,882 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|))))) [2023-02-15 19:21:42,882 INFO L899 garLoopResultBuilder]: For program point L351(lines 351 355) no Hoare annotation was computed. [2023-02-15 19:21:42,883 INFO L899 garLoopResultBuilder]: For program point L351-2(lines 219 596) no Hoare annotation was computed. [2023-02-15 19:21:42,883 INFO L899 garLoopResultBuilder]: For program point L583(lines 583 587) no Hoare annotation was computed. [2023-02-15 19:21:42,883 INFO L899 garLoopResultBuilder]: For program point L187(lines 187 609) no Hoare annotation was computed. [2023-02-15 19:21:42,883 INFO L899 garLoopResultBuilder]: For program point L154(lines 154 620) no Hoare annotation was computed. [2023-02-15 19:21:42,883 INFO L899 garLoopResultBuilder]: For program point L121(lines 121 631) no Hoare annotation was computed. [2023-02-15 19:21:42,883 INFO L902 garLoopResultBuilder]: At program point ssl3_accept_switch_1_3#1(lines 214 600) the Hoare annotation is: true [2023-02-15 19:21:42,883 INFO L899 garLoopResultBuilder]: For program point L452(lines 452 457) no Hoare annotation was computed. [2023-02-15 19:21:42,883 INFO L895 garLoopResultBuilder]: At program point $Ultimate##173(lines 449 461) the Hoare annotation is: (let ((.cse1 (not (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|))) (.cse2 (= 2 |ULTIMATE.start_ssl3_accept_~blastFlag~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 .cse1 .cse0) (and (<= 8448 |ULTIMATE.start_ssl3_accept_~s__state~0#1|) .cse2 (<= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 8576) .cse0))) [2023-02-15 19:21:42,883 INFO L902 garLoopResultBuilder]: At program point ssl3_accept_switch_1_default#1(lines 217 599) the Hoare annotation is: true [2023-02-15 19:21:42,884 INFO L899 garLoopResultBuilder]: For program point L420(lines 420 424) no Hoare annotation was computed. [2023-02-15 19:21:42,884 INFO L895 garLoopResultBuilder]: At program point L222(lines 115 633) 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__s3__tmp__next_state___0~0#1| 8576) (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8448)) (and .cse1 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 3)) (and .cse0 .cse1))) [2023-02-15 19:21:42,884 INFO L895 garLoopResultBuilder]: At program point ssl3_accept_switch_1_8577#1(lines 178 612) 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 (<= 8448 |ULTIMATE.start_ssl3_accept_~s__state~0#1|) (< |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8656) .cse2 (<= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 8576)) (and .cse0 .cse2 .cse1))) [2023-02-15 19:21:42,884 INFO L899 garLoopResultBuilder]: For program point L520(lines 520 524) no Hoare annotation was computed. [2023-02-15 19:21:42,884 INFO L899 garLoopResultBuilder]: For program point L520-2(lines 520 524) no Hoare annotation was computed. [2023-02-15 19:21:42,884 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-02-15 19:21:42,884 INFO L899 garLoopResultBuilder]: For program point L190(lines 190 608) no Hoare annotation was computed. [2023-02-15 19:21:42,884 INFO L899 garLoopResultBuilder]: For program point L157(lines 157 619) no Hoare annotation was computed. [2023-02-15 19:21:42,884 INFO L899 garLoopResultBuilder]: For program point L124(lines 124 630) no Hoare annotation was computed. [2023-02-15 19:21:42,884 INFO L895 garLoopResultBuilder]: At program point ssl3_accept_switch_1_8641#1(lines 196 606) 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 (<= 8448 |ULTIMATE.start_ssl3_accept_~s__state~0#1|) (< |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8656) (= 2 |ULTIMATE.start_ssl3_accept_~blastFlag~0#1|) (<= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 8576))) [2023-02-15 19:21:42,885 INFO L899 garLoopResultBuilder]: For program point L488(lines 488 492) no Hoare annotation was computed. [2023-02-15 19:21:42,885 INFO L895 garLoopResultBuilder]: At program point ssl3_accept_ERROR#1(lines 74 683) the Hoare annotation is: false [2023-02-15 19:21:42,885 INFO L902 garLoopResultBuilder]: At program point ssl3_accept_returnLabel#1(lines 19 684) the Hoare annotation is: true [2023-02-15 19:21:42,885 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|))))) [2023-02-15 19:21:42,885 INFO L899 garLoopResultBuilder]: For program point L93(lines 93 101) no Hoare annotation was computed. [2023-02-15 19:21:42,885 INFO L899 garLoopResultBuilder]: For program point L93-1(lines 74 683) no Hoare annotation was computed. [2023-02-15 19:21:42,885 INFO L899 garLoopResultBuilder]: For program point L193(lines 193 607) no Hoare annotation was computed. [2023-02-15 19:21:42,885 INFO L899 garLoopResultBuilder]: For program point L160(lines 160 618) no Hoare annotation was computed. [2023-02-15 19:21:42,885 INFO L899 garLoopResultBuilder]: For program point L127(lines 127 629) no Hoare annotation was computed. [2023-02-15 19:21:42,885 INFO L899 garLoopResultBuilder]: For program point L94(lines 94 98) no Hoare annotation was computed. [2023-02-15 19:21:42,886 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-02-15 19:21:42,886 INFO L895 garLoopResultBuilder]: At program point ssl3_accept_switch_1_8673#1(lines 208 602) 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|))) (.cse2 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 3))) (or (and (= 2 |ULTIMATE.start_ssl3_accept_~blastFlag~0#1|) .cse0 .cse1) (and .cse0 (<= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 8576) .cse2) (and .cse0 .cse1 .cse2))) [2023-02-15 19:21:42,886 INFO L899 garLoopResultBuilder]: For program point L359(lines 359 390) no Hoare annotation was computed. [2023-02-15 19:21:42,886 INFO L899 garLoopResultBuilder]: For program point L326(lines 326 330) no Hoare annotation was computed. [2023-02-15 19:21:42,886 INFO L899 garLoopResultBuilder]: For program point L326-2(lines 326 330) no Hoare annotation was computed. [2023-02-15 19:21:42,886 INFO L899 garLoopResultBuilder]: For program point L227(lines 227 231) no Hoare annotation was computed. [2023-02-15 19:21:42,886 INFO L899 garLoopResultBuilder]: For program point L227-2(lines 219 596) no Hoare annotation was computed. [2023-02-15 19:21:42,886 INFO L895 garLoopResultBuilder]: At program point ssl3_accept_switch_1_8609#1(lines 190 608) 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 (<= 8448 |ULTIMATE.start_ssl3_accept_~s__state~0#1|) (< |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8656) .cse2 (<= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 8576)) (and .cse0 .cse2 .cse1))) [2023-02-15 19:21:42,886 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-02-15 19:21:42,886 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|))))) [2023-02-15 19:21:42,887 INFO L895 garLoopResultBuilder]: At program point ssl3_accept_switch_1_8466#1(lines 136 626) the Hoare annotation is: (let ((.cse0 (<= 8448 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse1 (< |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8576)) (.cse3 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8672)) (.cse2 (= 2 |ULTIMATE.start_ssl3_accept_~blastFlag~0#1|)) (.cse4 (not (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|)))) (or (and .cse0 (= 0 |ULTIMATE.start_ssl3_accept_~blastFlag~0#1|) .cse1) (and .cse0 .cse2 (<= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 8576) .cse1) (and .cse3 .cse4 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 3)) (and .cse3 .cse2 .cse4))) [2023-02-15 19:21:42,887 INFO L899 garLoopResultBuilder]: For program point L559(lines 559 563) no Hoare annotation was computed. [2023-02-15 19:21:42,887 INFO L895 garLoopResultBuilder]: At program point ssl3_accept_switch_1_12292#1(lines 112 634) 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)))) [2023-02-15 19:21:42,887 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|))))) [2023-02-15 19:21:42,887 INFO L899 garLoopResultBuilder]: For program point L196(lines 196 606) no Hoare annotation was computed. [2023-02-15 19:21:42,887 INFO L899 garLoopResultBuilder]: For program point L163(lines 163 617) no Hoare annotation was computed. [2023-02-15 19:21:42,887 INFO L899 garLoopResultBuilder]: For program point L130(lines 130 628) no Hoare annotation was computed. [2023-02-15 19:21:42,887 INFO L899 garLoopResultBuilder]: For program point L362(lines 362 389) no Hoare annotation was computed. [2023-02-15 19:21:42,887 INFO L899 garLoopResultBuilder]: For program point L362-1(lines 362 389) no Hoare annotation was computed. [2023-02-15 19:21:42,887 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-02-15 19:21:42,888 INFO L895 garLoopResultBuilder]: At program point $Ultimate##219(lines 635 663) the Hoare annotation is: (let ((.cse0 (= 2 |ULTIMATE.start_ssl3_accept_~blastFlag~0#1|)) (.cse3 (not (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|))) (.cse1 (<= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 8576)) (.cse2 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 3))) (or (and .cse0 (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8528)) (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 3) (and (< |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8656) .cse0 .cse1) (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) .cse2 (<= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 3)) (and (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8544) .cse0) (and .cse0 (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8512)) (and .cse3 .cse2) (and (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8496) (= 1 |ULTIMATE.start_ssl3_accept_~blastFlag~0#1|)) (and .cse0 (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8656) .cse1) (and .cse0 .cse3) (and (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8672) (<= 8672 |ULTIMATE.start_ssl3_accept_~s__state~0#1|) .cse1 .cse2))) [2023-02-15 19:21:42,888 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 677) no Hoare annotation was computed. [2023-02-15 19:21:42,888 INFO L899 garLoopResultBuilder]: For program point L363(lines 363 386) no Hoare annotation was computed. [2023-02-15 19:21:42,888 INFO L899 garLoopResultBuilder]: For program point L264(lines 264 276) no Hoare annotation was computed. [2023-02-15 19:21:42,888 INFO L895 garLoopResultBuilder]: At program point ssl3_accept_switch_1_8561#1(lines 169 615) 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|))))) [2023-02-15 19:21:42,888 INFO L899 garLoopResultBuilder]: For program point L265(lines 265 270) no Hoare annotation was computed. [2023-02-15 19:21:42,888 INFO L899 garLoopResultBuilder]: For program point L199(lines 199 605) no Hoare annotation was computed. [2023-02-15 19:21:42,888 INFO L899 garLoopResultBuilder]: For program point L166(lines 166 616) no Hoare annotation was computed. [2023-02-15 19:21:42,888 INFO L899 garLoopResultBuilder]: For program point L133(lines 133 627) no Hoare annotation was computed. [2023-02-15 19:21:42,889 INFO L899 garLoopResultBuilder]: For program point L530(lines 530 535) no Hoare annotation was computed. [2023-02-15 19:21:42,889 INFO L899 garLoopResultBuilder]: For program point L398(lines 398 429) no Hoare annotation was computed. [2023-02-15 19:21:42,889 INFO L899 garLoopResultBuilder]: For program point L299(lines 299 303) no Hoare annotation was computed. [2023-02-15 19:21:42,889 INFO L899 garLoopResultBuilder]: For program point L299-2(lines 219 596) no Hoare annotation was computed. [2023-02-15 19:21:42,891 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] [2023-02-15 19:21:42,892 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-02-15 19:21:42,906 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.02 07:21:42 BoogieIcfgContainer [2023-02-15 19:21:42,906 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-02-15 19:21:42,907 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-02-15 19:21:42,907 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-02-15 19:21:42,907 INFO L275 PluginConnector]: Witness Printer initialized [2023-02-15 19:21:42,907 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 07:21:32" (3/4) ... [2023-02-15 19:21:42,909 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-02-15 19:21:42,919 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2023-02-15 19:21:42,920 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-02-15 19:21:42,920 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-02-15 19:21:42,921 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-02-15 19:21:42,981 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-02-15 19:21:42,981 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-02-15 19:21:42,982 INFO L158 Benchmark]: Toolchain (without parser) took 11177.77ms. Allocated memory was 144.7MB in the beginning and 251.7MB in the end (delta: 107.0MB). Free memory was 109.1MB in the beginning and 189.2MB in the end (delta: -80.1MB). Peak memory consumption was 27.5MB. Max. memory is 16.1GB. [2023-02-15 19:21:42,982 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 109.1MB. Free memory was 78.4MB in the beginning and 78.4MB in the end (delta: 24.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-15 19:21:42,982 INFO L158 Benchmark]: CACSL2BoogieTranslator took 283.84ms. Allocated memory is still 144.7MB. Free memory was 109.1MB in the beginning and 93.7MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-02-15 19:21:42,985 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.31ms. Allocated memory is still 144.7MB. Free memory was 93.7MB in the beginning and 90.9MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-15 19:21:42,985 INFO L158 Benchmark]: Boogie Preprocessor took 43.80ms. Allocated memory is still 144.7MB. Free memory was 90.9MB in the beginning and 88.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-15 19:21:42,985 INFO L158 Benchmark]: RCFGBuilder took 636.53ms. Allocated memory is still 144.7MB. Free memory was 88.8MB in the beginning and 53.3MB in the end (delta: 35.5MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2023-02-15 19:21:42,985 INFO L158 Benchmark]: TraceAbstraction took 10091.14ms. Allocated memory was 144.7MB in the beginning and 251.7MB in the end (delta: 107.0MB). Free memory was 52.5MB in the beginning and 196.6MB in the end (delta: -144.1MB). Peak memory consumption was 98.8MB. Max. memory is 16.1GB. [2023-02-15 19:21:42,986 INFO L158 Benchmark]: Witness Printer took 74.90ms. Allocated memory is still 251.7MB. Free memory was 196.6MB in the beginning and 189.2MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-02-15 19:21:42,991 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 109.1MB. Free memory was 78.4MB in the beginning and 78.4MB in the end (delta: 24.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 283.84ms. Allocated memory is still 144.7MB. Free memory was 109.1MB in the beginning and 93.7MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.31ms. Allocated memory is still 144.7MB. Free memory was 93.7MB in the beginning and 90.9MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.80ms. Allocated memory is still 144.7MB. Free memory was 90.9MB in the beginning and 88.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 636.53ms. Allocated memory is still 144.7MB. Free memory was 88.8MB in the beginning and 53.3MB in the end (delta: 35.5MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * TraceAbstraction took 10091.14ms. Allocated memory was 144.7MB in the beginning and 251.7MB in the end (delta: 107.0MB). Free memory was 52.5MB in the beginning and 196.6MB in the end (delta: -144.1MB). Peak memory consumption was 98.8MB. Max. memory is 16.1GB. * Witness Printer took 74.90ms. Allocated memory is still 251.7MB. Free memory was 196.6MB in the beginning and 189.2MB 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: 677]: 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: 10.0s, OverallIterations: 21, TraceHistogramMax: 25, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 2.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1772 SdHoareTripleChecker+Valid, 1.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1772 mSDsluCounter, 7440 SdHoareTripleChecker+Invalid, 1.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3012 mSDsCounter, 503 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2554 IncrementalHoareTripleChecker+Invalid, 3057 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 503 mSolverCounterUnsat, 4428 mSDtfsCounter, 2554 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5397 GetRequests, 5363 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2369occurred in iteration=20, InterpolantAutomatonStates: 74, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 21 MinimizatonAttempts, 2192 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 29 LocationsWithAnnotation, 29 PreInvPairs, 186 NumberOfFragments, 889 HoareAnnotationTreeSize, 29 FomulaSimplifications, 1333 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 29 FomulaSimplificationsInter, 2340 FormulaSimplificationTreeSizeReductionInter, 1.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 8431 NumberOfCodeBlocks, 8431 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 6198 ConstructedInterpolants, 0 QuantifiedInterpolants, 8062 SizeOfPredicates, 2 NumberOfNonLiveVariables, 7168 ConjunctsInSsa, 31 ConjunctsInUnsatCore, 23 InterpolantComputations, 19 PerfectInterpolantSequences, 26821/26925 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: 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: ((((((8448 <= s__state && 2 == blastFlag) && s__s3__tmp__next_state___0 <= 8576) && s__state < 8576) || ((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 && 1 == blastFlag) && !(8576 <= s__state)) - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: (((s__state <= 8672 && !(0 == s__hit)) && blastFlag == 3) || (((8448 <= s__state && s__state < 8656) && 2 == blastFlag) && s__s3__tmp__next_state___0 <= 8576)) || ((s__state <= 8672 && 2 == blastFlag) && !(0 == s__hit)) - InvariantResult [Line: 74]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 184]: Loop Invariant Derived loop invariant: (((s__state <= 8672 && !(0 == s__hit)) && blastFlag == 3) || (((s__state < 8656 && 2 == blastFlag) && 8448 <= s__state) && s__s3__tmp__next_state___0 <= 8576)) || ((s__state <= 8672 && 2 == blastFlag) && !(0 == s__hit)) - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: ((((8448 <= s__state && 0 == blastFlag) && s__state < 8576) || (((8448 <= s__state && 2 == blastFlag) && s__s3__tmp__next_state___0 <= 8576) && s__state < 8576)) || ((s__state <= 8672 && !(0 == s__hit)) && blastFlag == 3)) || ((s__state <= 8672 && 2 == blastFlag) && !(0 == s__hit)) - InvariantResult [Line: 178]: Loop Invariant Derived loop invariant: (((s__state <= 8672 && !(0 == s__hit)) && blastFlag == 3) || (((8448 <= s__state && s__state < 8656) && 2 == blastFlag) && s__s3__tmp__next_state___0 <= 8576)) || ((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 && s__s3__tmp__next_state___0 <= 8576) && blastFlag == 3)) || ((8672 <= s__state && !(0 == s__hit)) && blastFlag == 3) - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: ((((8448 <= s__state && 2 == blastFlag) && s__s3__tmp__next_state___0 <= 8576) && s__state < 8576) || ((s__state <= 8672 && !(0 == s__hit)) && blastFlag == 3)) || ((s__state <= 8672 && 2 == blastFlag) && !(0 == s__hit)) - InvariantResult [Line: 635]: Loop Invariant Derived loop invariant: (((((((((((2 == blastFlag && s__state == 8528) || s__state <= 3) || ((s__state < 8656 && 2 == blastFlag) && s__s3__tmp__next_state___0 <= 8576)) || (2 == blastFlag && s__state == 8560)) || (((8448 <= s__state && s__state <= 8448) && blastFlag == 3) && s__s3__tmp__next_state___0 <= 3)) || (s__state == 8544 && 2 == blastFlag)) || (2 == blastFlag && s__state == 8512)) || (!(0 == s__hit) && blastFlag == 3)) || (s__state == 8496 && 1 == blastFlag)) || ((2 == blastFlag && s__state == 8656) && s__s3__tmp__next_state___0 <= 8576)) || (2 == blastFlag && !(0 == s__hit))) || (((s__state <= 8672 && 8672 <= s__state) && s__s3__tmp__next_state___0 <= 8576) && blastFlag == 3) - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: (s__state <= 8672 && !(0 == s__hit)) || (((8448 <= s__state && s__state < 8656) && 2 == blastFlag) && s__s3__tmp__next_state___0 <= 8576) - InvariantResult [Line: 115]: Loop Invariant Derived loop invariant: (((2 == blastFlag && s__s3__tmp__next_state___0 <= 8576) && 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 && 2 == blastFlag) && 8448 <= s__state) && 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: 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 && !(0 == s__hit)) && s__state <= 8448)) || (((8448 <= s__state && 2 == blastFlag) && s__s3__tmp__next_state___0 <= 8576) && s__state <= 8448) - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: ((((((((((((!(0 == s__hit) && blastFlag == 3) || (0 == blastFlag && s__state == 8464)) || ((2 == blastFlag && s__state == 8656) && s__s3__tmp__next_state___0 <= 8576)) || (2 == blastFlag && s__state == 8528)) || s__state <= 3) || ((s__state < 8656 && 2 == blastFlag) && s__s3__tmp__next_state___0 <= 8576)) || (2 == blastFlag && s__state == 8560)) || (((8448 <= s__state && s__state <= 8448) && blastFlag == 3) && s__s3__tmp__next_state___0 <= 3)) || (s__state == 8544 && 2 == blastFlag)) || (2 == blastFlag && s__state == 8512)) || (s__state == 8496 && 1 == blastFlag)) || (2 == blastFlag && !(0 == s__hit))) || (((s__state <= 8672 && 8672 <= s__state) && s__s3__tmp__next_state___0 <= 8576) && blastFlag == 3) - InvariantResult [Line: 214]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 74]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 685]: 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: 74]: Loop Invariant Derived loop invariant: 1 - 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! [2023-02-15 19:21:43,033 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