/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/bitvector/s3_srvr_3a_alt.BV.c.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-21 23:14:19,155 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-21 23:14:19,157 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-21 23:14:19,195 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-21 23:14:19,196 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-21 23:14:19,198 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-21 23:14:19,200 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-21 23:14:19,202 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-21 23:14:19,205 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-21 23:14:19,209 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-21 23:14:19,211 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-21 23:14:19,212 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-21 23:14:19,212 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-21 23:14:19,218 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-21 23:14:19,220 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-21 23:14:19,222 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-21 23:14:19,223 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-21 23:14:19,225 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-21 23:14:19,232 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-21 23:14:19,235 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-21 23:14:19,241 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-21 23:14:19,260 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-21 23:14:19,262 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-21 23:14:19,263 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-21 23:14:19,267 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-21 23:14:19,267 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-21 23:14:19,267 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-21 23:14:19,269 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-21 23:14:19,269 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-21 23:14:19,270 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-21 23:14:19,271 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-21 23:14:19,271 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-21 23:14:19,272 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-21 23:14:19,273 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-21 23:14:19,275 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-21 23:14:19,275 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-21 23:14:19,276 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-21 23:14:19,276 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-21 23:14:19,277 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-21 23:14:19,278 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-21 23:14:19,278 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-21 23:14:19,280 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-21 23:14:19,309 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-21 23:14:19,310 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-21 23:14:19,312 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-21 23:14:19,312 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-21 23:14:19,313 INFO L138 SettingsManager]: * Use SBE=true [2020-12-21 23:14:19,313 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-21 23:14:19,313 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-21 23:14:19,313 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-21 23:14:19,313 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-21 23:14:19,314 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-21 23:14:19,314 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-21 23:14:19,314 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-21 23:14:19,314 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-21 23:14:19,314 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-21 23:14:19,315 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-21 23:14:19,315 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-21 23:14:19,315 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-21 23:14:19,315 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-21 23:14:19,316 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-21 23:14:19,316 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-21 23:14:19,316 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-21 23:14:19,316 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-21 23:14:19,316 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-21 23:14:19,317 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-21 23:14:19,317 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-21 23:14:19,317 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-21 23:14:19,756 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-21 23:14:19,789 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-21 23:14:19,793 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-21 23:14:19,795 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-21 23:14:19,796 INFO L275 PluginConnector]: CDTParser initialized [2020-12-21 23:14:19,797 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector/s3_srvr_3a_alt.BV.c.cil.c [2020-12-21 23:14:19,890 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/36e68c91e/dcf602ac220a4fa58c9bd00144d19655/FLAGa09ba48a5 [2020-12-21 23:14:20,646 INFO L306 CDTParser]: Found 1 translation units. [2020-12-21 23:14:20,650 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/s3_srvr_3a_alt.BV.c.cil.c [2020-12-21 23:14:20,672 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/36e68c91e/dcf602ac220a4fa58c9bd00144d19655/FLAGa09ba48a5 [2020-12-21 23:14:20,930 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/36e68c91e/dcf602ac220a4fa58c9bd00144d19655 [2020-12-21 23:14:20,933 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-21 23:14:20,935 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-21 23:14:20,938 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-21 23:14:20,938 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-21 23:14:20,950 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-21 23:14:20,951 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 11:14:20" (1/1) ... [2020-12-21 23:14:20,953 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63e8ac9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:14:20, skipping insertion in model container [2020-12-21 23:14:20,953 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 11:14:20" (1/1) ... [2020-12-21 23:14:20,963 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-21 23:14:21,034 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-21 23:14:21,305 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/s3_srvr_3a_alt.BV.c.cil.c[44298,44311] [2020-12-21 23:14:21,317 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-21 23:14:21,341 INFO L203 MainTranslator]: Completed pre-run [2020-12-21 23:14:21,410 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/s3_srvr_3a_alt.BV.c.cil.c[44298,44311] [2020-12-21 23:14:21,413 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-21 23:14:21,437 INFO L208 MainTranslator]: Completed translation [2020-12-21 23:14:21,437 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:14:21 WrapperNode [2020-12-21 23:14:21,438 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-21 23:14:21,440 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-21 23:14:21,440 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-21 23:14:21,440 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-21 23:14:21,448 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:14:21" (1/1) ... [2020-12-21 23:14:21,472 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:14:21" (1/1) ... [2020-12-21 23:14:21,516 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-21 23:14:21,517 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-21 23:14:21,517 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-21 23:14:21,517 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-21 23:14:21,527 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:14:21" (1/1) ... [2020-12-21 23:14:21,528 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:14:21" (1/1) ... [2020-12-21 23:14:21,535 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:14:21" (1/1) ... [2020-12-21 23:14:21,535 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:14:21" (1/1) ... [2020-12-21 23:14:21,545 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:14:21" (1/1) ... [2020-12-21 23:14:21,554 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:14:21" (1/1) ... [2020-12-21 23:14:21,558 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:14:21" (1/1) ... [2020-12-21 23:14:21,564 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-21 23:14:21,565 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-21 23:14:21,565 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-21 23:14:21,565 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-21 23:14:21,566 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:14:21" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-21 23:14:21,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-21 23:14:21,671 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-21 23:14:21,672 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-21 23:14:21,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-21 23:14:21,824 WARN L807 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-12-21 23:14:22,616 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2020-12-21 23:14:22,616 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2020-12-21 23:14:22,627 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-21 23:14:22,628 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2020-12-21 23:14:22,630 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 11:14:22 BoogieIcfgContainer [2020-12-21 23:14:22,630 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-21 23:14:22,632 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-21 23:14:22,632 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-21 23:14:22,636 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-21 23:14:22,637 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 11:14:20" (1/3) ... [2020-12-21 23:14:22,638 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57d7d2a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 11:14:22, skipping insertion in model container [2020-12-21 23:14:22,638 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:14:21" (2/3) ... [2020-12-21 23:14:22,638 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57d7d2a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 11:14:22, skipping insertion in model container [2020-12-21 23:14:22,638 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 11:14:22" (3/3) ... [2020-12-21 23:14:22,640 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr_3a_alt.BV.c.cil.c [2020-12-21 23:14:22,648 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-21 23:14:22,653 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-21 23:14:22,675 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-21 23:14:22,704 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-21 23:14:22,704 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-21 23:14:22,704 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-21 23:14:22,705 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-21 23:14:22,705 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-21 23:14:22,705 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-21 23:14:22,705 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-21 23:14:22,705 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-21 23:14:22,724 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states. [2020-12-21 23:14:22,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-12-21 23:14:22,735 INFO L414 BasicCegarLoop]: Found error trace [2020-12-21 23:14:22,736 INFO L422 BasicCegarLoop]: 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] [2020-12-21 23:14:22,736 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-21 23:14:22,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-21 23:14:22,771 INFO L82 PathProgramCache]: Analyzing trace with hash 1632003015, now seen corresponding path program 1 times [2020-12-21 23:14:22,782 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-21 23:14:22,782 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172852602] [2020-12-21 23:14:22,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-21 23:14:22,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-21 23:14:23,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-21 23:14:23,060 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172852602] [2020-12-21 23:14:23,062 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-21 23:14:23,062 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-21 23:14:23,063 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585522132] [2020-12-21 23:14:23,071 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-21 23:14:23,071 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-21 23:14:23,091 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-21 23:14:23,093 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-21 23:14:23,096 INFO L87 Difference]: Start difference. First operand 138 states. Second operand 3 states. [2020-12-21 23:14:23,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-21 23:14:23,434 INFO L93 Difference]: Finished difference Result 323 states and 559 transitions. [2020-12-21 23:14:23,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-21 23:14:23,436 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 44 [2020-12-21 23:14:23,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-21 23:14:23,450 INFO L225 Difference]: With dead ends: 323 [2020-12-21 23:14:23,450 INFO L226 Difference]: Without dead ends: 171 [2020-12-21 23:14:23,454 INFO L677 BasicCegarLoop]: 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 [2020-12-21 23:14:23,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2020-12-21 23:14:23,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 166. [2020-12-21 23:14:23,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 166 states. [2020-12-21 23:14:23,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 271 transitions. [2020-12-21 23:14:23,513 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 271 transitions. Word has length 44 [2020-12-21 23:14:23,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-21 23:14:23,514 INFO L481 AbstractCegarLoop]: Abstraction has 166 states and 271 transitions. [2020-12-21 23:14:23,514 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-21 23:14:23,514 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 271 transitions. [2020-12-21 23:14:23,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-12-21 23:14:23,517 INFO L414 BasicCegarLoop]: Found error trace [2020-12-21 23:14:23,517 INFO L422 BasicCegarLoop]: 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, 1] [2020-12-21 23:14:23,517 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-21 23:14:23,518 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-21 23:14:23,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-21 23:14:23,520 INFO L82 PathProgramCache]: Analyzing trace with hash -954579415, now seen corresponding path program 1 times [2020-12-21 23:14:23,520 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-21 23:14:23,520 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918939414] [2020-12-21 23:14:23,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-21 23:14:23,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-21 23:14:23,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-21 23:14:23,702 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [918939414] [2020-12-21 23:14:23,703 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-21 23:14:23,703 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-21 23:14:23,703 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226059142] [2020-12-21 23:14:23,704 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-21 23:14:23,705 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-21 23:14:23,709 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-21 23:14:23,709 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-21 23:14:23,709 INFO L87 Difference]: Start difference. First operand 166 states and 271 transitions. Second operand 3 states. [2020-12-21 23:14:23,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-21 23:14:23,985 INFO L93 Difference]: Finished difference Result 372 states and 616 transitions. [2020-12-21 23:14:23,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-21 23:14:23,985 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 45 [2020-12-21 23:14:23,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-21 23:14:23,994 INFO L225 Difference]: With dead ends: 372 [2020-12-21 23:14:23,994 INFO L226 Difference]: Without dead ends: 212 [2020-12-21 23:14:23,999 INFO L677 BasicCegarLoop]: 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 [2020-12-21 23:14:24,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2020-12-21 23:14:24,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 207. [2020-12-21 23:14:24,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 207 states. [2020-12-21 23:14:24,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 348 transitions. [2020-12-21 23:14:24,048 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 348 transitions. Word has length 45 [2020-12-21 23:14:24,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-21 23:14:24,049 INFO L481 AbstractCegarLoop]: Abstraction has 207 states and 348 transitions. [2020-12-21 23:14:24,049 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-21 23:14:24,049 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 348 transitions. [2020-12-21 23:14:24,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-12-21 23:14:24,053 INFO L414 BasicCegarLoop]: Found error trace [2020-12-21 23:14:24,054 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-12-21 23:14:24,054 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-21 23:14:24,054 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-21 23:14:24,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-21 23:14:24,055 INFO L82 PathProgramCache]: Analyzing trace with hash -420309214, now seen corresponding path program 1 times [2020-12-21 23:14:24,056 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-21 23:14:24,056 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485829394] [2020-12-21 23:14:24,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-21 23:14:24,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-21 23:14:24,136 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-21 23:14:24,137 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485829394] [2020-12-21 23:14:24,137 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-21 23:14:24,137 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-21 23:14:24,138 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413945191] [2020-12-21 23:14:24,138 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-21 23:14:24,138 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-21 23:14:24,139 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-21 23:14:24,140 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-21 23:14:24,140 INFO L87 Difference]: Start difference. First operand 207 states and 348 transitions. Second operand 3 states. [2020-12-21 23:14:24,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-21 23:14:24,346 INFO L93 Difference]: Finished difference Result 437 states and 742 transitions. [2020-12-21 23:14:24,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-21 23:14:24,347 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 72 [2020-12-21 23:14:24,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-21 23:14:24,351 INFO L225 Difference]: With dead ends: 437 [2020-12-21 23:14:24,351 INFO L226 Difference]: Without dead ends: 238 [2020-12-21 23:14:24,352 INFO L677 BasicCegarLoop]: 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 [2020-12-21 23:14:24,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2020-12-21 23:14:24,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 238. [2020-12-21 23:14:24,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 238 states. [2020-12-21 23:14:24,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 404 transitions. [2020-12-21 23:14:24,381 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 404 transitions. Word has length 72 [2020-12-21 23:14:24,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-21 23:14:24,382 INFO L481 AbstractCegarLoop]: Abstraction has 238 states and 404 transitions. [2020-12-21 23:14:24,382 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-21 23:14:24,384 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 404 transitions. [2020-12-21 23:14:24,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-12-21 23:14:24,389 INFO L414 BasicCegarLoop]: Found error trace [2020-12-21 23:14:24,389 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 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] [2020-12-21 23:14:24,390 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-21 23:14:24,390 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-21 23:14:24,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-21 23:14:24,394 INFO L82 PathProgramCache]: Analyzing trace with hash -1606429448, now seen corresponding path program 1 times [2020-12-21 23:14:24,394 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-21 23:14:24,394 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145444857] [2020-12-21 23:14:24,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-21 23:14:24,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-21 23:14:24,484 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-12-21 23:14:24,484 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2145444857] [2020-12-21 23:14:24,485 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-21 23:14:24,485 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-21 23:14:24,485 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927399929] [2020-12-21 23:14:24,486 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-21 23:14:24,486 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-21 23:14:24,486 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-21 23:14:24,487 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-21 23:14:24,487 INFO L87 Difference]: Start difference. First operand 238 states and 404 transitions. Second operand 3 states. [2020-12-21 23:14:24,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-21 23:14:24,634 INFO L93 Difference]: Finished difference Result 485 states and 824 transitions. [2020-12-21 23:14:24,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-21 23:14:24,634 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 84 [2020-12-21 23:14:24,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-21 23:14:24,636 INFO L225 Difference]: With dead ends: 485 [2020-12-21 23:14:24,636 INFO L226 Difference]: Without dead ends: 255 [2020-12-21 23:14:24,637 INFO L677 BasicCegarLoop]: 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 [2020-12-21 23:14:24,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2020-12-21 23:14:24,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 253. [2020-12-21 23:14:24,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 253 states. [2020-12-21 23:14:24,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 427 transitions. [2020-12-21 23:14:24,651 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 427 transitions. Word has length 84 [2020-12-21 23:14:24,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-21 23:14:24,651 INFO L481 AbstractCegarLoop]: Abstraction has 253 states and 427 transitions. [2020-12-21 23:14:24,651 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-21 23:14:24,652 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 427 transitions. [2020-12-21 23:14:24,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-12-21 23:14:24,653 INFO L414 BasicCegarLoop]: Found error trace [2020-12-21 23:14:24,653 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-12-21 23:14:24,653 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-21 23:14:24,654 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-21 23:14:24,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-21 23:14:24,654 INFO L82 PathProgramCache]: Analyzing trace with hash -1610778141, now seen corresponding path program 1 times [2020-12-21 23:14:24,655 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-21 23:14:24,655 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313393268] [2020-12-21 23:14:24,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-21 23:14:24,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-21 23:14:24,762 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-21 23:14:24,763 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313393268] [2020-12-21 23:14:24,763 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-21 23:14:24,763 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-21 23:14:24,764 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620340690] [2020-12-21 23:14:24,765 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-21 23:14:24,766 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-21 23:14:24,766 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-21 23:14:24,768 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-21 23:14:24,768 INFO L87 Difference]: Start difference. First operand 253 states and 427 transitions. Second operand 3 states. [2020-12-21 23:14:24,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-21 23:14:24,985 INFO L93 Difference]: Finished difference Result 544 states and 923 transitions. [2020-12-21 23:14:24,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-21 23:14:24,986 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 84 [2020-12-21 23:14:24,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-21 23:14:24,988 INFO L225 Difference]: With dead ends: 544 [2020-12-21 23:14:24,988 INFO L226 Difference]: Without dead ends: 299 [2020-12-21 23:14:24,989 INFO L677 BasicCegarLoop]: 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 [2020-12-21 23:14:24,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2020-12-21 23:14:25,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 295. [2020-12-21 23:14:25,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 295 states. [2020-12-21 23:14:25,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 501 transitions. [2020-12-21 23:14:25,004 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 501 transitions. Word has length 84 [2020-12-21 23:14:25,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-21 23:14:25,005 INFO L481 AbstractCegarLoop]: Abstraction has 295 states and 501 transitions. [2020-12-21 23:14:25,005 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-21 23:14:25,005 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 501 transitions. [2020-12-21 23:14:25,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-12-21 23:14:25,006 INFO L414 BasicCegarLoop]: Found error trace [2020-12-21 23:14:25,007 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-12-21 23:14:25,007 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-21 23:14:25,007 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-21 23:14:25,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-21 23:14:25,008 INFO L82 PathProgramCache]: Analyzing trace with hash 1470428767, now seen corresponding path program 1 times [2020-12-21 23:14:25,008 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-21 23:14:25,008 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066619205] [2020-12-21 23:14:25,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-21 23:14:25,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-21 23:14:25,061 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-12-21 23:14:25,062 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2066619205] [2020-12-21 23:14:25,062 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-21 23:14:25,062 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-21 23:14:25,062 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244754445] [2020-12-21 23:14:25,063 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-21 23:14:25,063 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-21 23:14:25,066 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-21 23:14:25,067 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-21 23:14:25,067 INFO L87 Difference]: Start difference. First operand 295 states and 501 transitions. Second operand 3 states. [2020-12-21 23:14:25,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-21 23:14:25,333 INFO L93 Difference]: Finished difference Result 584 states and 992 transitions. [2020-12-21 23:14:25,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-21 23:14:25,334 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 85 [2020-12-21 23:14:25,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-21 23:14:25,336 INFO L225 Difference]: With dead ends: 584 [2020-12-21 23:14:25,336 INFO L226 Difference]: Without dead ends: 297 [2020-12-21 23:14:25,337 INFO L677 BasicCegarLoop]: 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 [2020-12-21 23:14:25,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2020-12-21 23:14:25,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 295. [2020-12-21 23:14:25,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 295 states. [2020-12-21 23:14:25,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 497 transitions. [2020-12-21 23:14:25,348 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 497 transitions. Word has length 85 [2020-12-21 23:14:25,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-21 23:14:25,349 INFO L481 AbstractCegarLoop]: Abstraction has 295 states and 497 transitions. [2020-12-21 23:14:25,349 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-21 23:14:25,349 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 497 transitions. [2020-12-21 23:14:25,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-12-21 23:14:25,350 INFO L414 BasicCegarLoop]: Found error trace [2020-12-21 23:14:25,351 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-12-21 23:14:25,351 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-21 23:14:25,351 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-21 23:14:25,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-21 23:14:25,352 INFO L82 PathProgramCache]: Analyzing trace with hash -564791579, now seen corresponding path program 1 times [2020-12-21 23:14:25,352 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-21 23:14:25,352 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [494787389] [2020-12-21 23:14:25,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-21 23:14:25,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-21 23:14:25,417 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-21 23:14:25,418 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [494787389] [2020-12-21 23:14:25,418 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-21 23:14:25,418 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-21 23:14:25,419 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089114341] [2020-12-21 23:14:25,419 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-21 23:14:25,419 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-21 23:14:25,420 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-21 23:14:25,420 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-21 23:14:25,420 INFO L87 Difference]: Start difference. First operand 295 states and 497 transitions. Second operand 3 states. [2020-12-21 23:14:25,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-21 23:14:25,670 INFO L93 Difference]: Finished difference Result 586 states and 987 transitions. [2020-12-21 23:14:25,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-21 23:14:25,671 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 85 [2020-12-21 23:14:25,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-21 23:14:25,674 INFO L225 Difference]: With dead ends: 586 [2020-12-21 23:14:25,675 INFO L226 Difference]: Without dead ends: 297 [2020-12-21 23:14:25,676 INFO L677 BasicCegarLoop]: 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 [2020-12-21 23:14:25,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2020-12-21 23:14:25,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 293. [2020-12-21 23:14:25,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 293 states. [2020-12-21 23:14:25,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 492 transitions. [2020-12-21 23:14:25,688 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 492 transitions. Word has length 85 [2020-12-21 23:14:25,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-21 23:14:25,689 INFO L481 AbstractCegarLoop]: Abstraction has 293 states and 492 transitions. [2020-12-21 23:14:25,689 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-21 23:14:25,689 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 492 transitions. [2020-12-21 23:14:25,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-12-21 23:14:25,690 INFO L414 BasicCegarLoop]: Found error trace [2020-12-21 23:14:25,690 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 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] [2020-12-21 23:14:25,691 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-21 23:14:25,691 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-21 23:14:25,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-21 23:14:25,692 INFO L82 PathProgramCache]: Analyzing trace with hash -378579321, now seen corresponding path program 1 times [2020-12-21 23:14:25,692 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-21 23:14:25,692 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20714265] [2020-12-21 23:14:25,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-21 23:14:25,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-21 23:14:25,736 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2020-12-21 23:14:25,736 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [20714265] [2020-12-21 23:14:25,737 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-21 23:14:25,737 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-21 23:14:25,737 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060727063] [2020-12-21 23:14:25,738 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-21 23:14:25,738 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-21 23:14:25,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-21 23:14:25,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-21 23:14:25,740 INFO L87 Difference]: Start difference. First operand 293 states and 492 transitions. Second operand 3 states. [2020-12-21 23:14:25,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-21 23:14:25,894 INFO L93 Difference]: Finished difference Result 586 states and 983 transitions. [2020-12-21 23:14:25,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-21 23:14:25,894 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 96 [2020-12-21 23:14:25,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-21 23:14:25,897 INFO L225 Difference]: With dead ends: 586 [2020-12-21 23:14:25,897 INFO L226 Difference]: Without dead ends: 301 [2020-12-21 23:14:25,898 INFO L677 BasicCegarLoop]: 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 [2020-12-21 23:14:25,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2020-12-21 23:14:25,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 301. [2020-12-21 23:14:25,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 301 states. [2020-12-21 23:14:25,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 497 transitions. [2020-12-21 23:14:25,910 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 497 transitions. Word has length 96 [2020-12-21 23:14:25,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-21 23:14:25,911 INFO L481 AbstractCegarLoop]: Abstraction has 301 states and 497 transitions. [2020-12-21 23:14:25,911 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-21 23:14:25,911 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 497 transitions. [2020-12-21 23:14:25,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-12-21 23:14:25,912 INFO L414 BasicCegarLoop]: Found error trace [2020-12-21 23:14:25,913 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-12-21 23:14:25,913 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-21 23:14:25,913 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-21 23:14:25,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-21 23:14:25,914 INFO L82 PathProgramCache]: Analyzing trace with hash 183697243, now seen corresponding path program 1 times [2020-12-21 23:14:25,914 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-21 23:14:25,914 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1540755297] [2020-12-21 23:14:25,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-21 23:14:25,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-21 23:14:25,960 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-12-21 23:14:25,961 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1540755297] [2020-12-21 23:14:25,961 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-21 23:14:25,961 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-21 23:14:25,962 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413840491] [2020-12-21 23:14:25,962 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-21 23:14:25,962 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-21 23:14:25,963 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-21 23:14:25,963 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-21 23:14:25,963 INFO L87 Difference]: Start difference. First operand 301 states and 497 transitions. Second operand 3 states. [2020-12-21 23:14:26,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-21 23:14:26,145 INFO L93 Difference]: Finished difference Result 625 states and 1035 transitions. [2020-12-21 23:14:26,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-21 23:14:26,146 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 98 [2020-12-21 23:14:26,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-21 23:14:26,148 INFO L225 Difference]: With dead ends: 625 [2020-12-21 23:14:26,149 INFO L226 Difference]: Without dead ends: 332 [2020-12-21 23:14:26,150 INFO L677 BasicCegarLoop]: 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 [2020-12-21 23:14:26,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2020-12-21 23:14:26,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 330. [2020-12-21 23:14:26,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 330 states. [2020-12-21 23:14:26,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 544 transitions. [2020-12-21 23:14:26,165 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 544 transitions. Word has length 98 [2020-12-21 23:14:26,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-21 23:14:26,165 INFO L481 AbstractCegarLoop]: Abstraction has 330 states and 544 transitions. [2020-12-21 23:14:26,166 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-21 23:14:26,166 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 544 transitions. [2020-12-21 23:14:26,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-12-21 23:14:26,167 INFO L414 BasicCegarLoop]: Found error trace [2020-12-21 23:14:26,167 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-12-21 23:14:26,168 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-21 23:14:26,168 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-21 23:14:26,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-21 23:14:26,184 INFO L82 PathProgramCache]: Analyzing trace with hash 156444990, now seen corresponding path program 1 times [2020-12-21 23:14:26,184 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-21 23:14:26,184 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643127955] [2020-12-21 23:14:26,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-21 23:14:26,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-21 23:14:26,231 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-12-21 23:14:26,231 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [643127955] [2020-12-21 23:14:26,232 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-21 23:14:26,232 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-21 23:14:26,232 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792658442] [2020-12-21 23:14:26,233 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-21 23:14:26,233 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-21 23:14:26,233 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-21 23:14:26,234 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-21 23:14:26,234 INFO L87 Difference]: Start difference. First operand 330 states and 544 transitions. Second operand 3 states. [2020-12-21 23:14:26,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-21 23:14:26,414 INFO L93 Difference]: Finished difference Result 686 states and 1135 transitions. [2020-12-21 23:14:26,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-21 23:14:26,415 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 99 [2020-12-21 23:14:26,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-21 23:14:26,418 INFO L225 Difference]: With dead ends: 686 [2020-12-21 23:14:26,418 INFO L226 Difference]: Without dead ends: 364 [2020-12-21 23:14:26,419 INFO L677 BasicCegarLoop]: 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 [2020-12-21 23:14:26,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2020-12-21 23:14:26,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 357. [2020-12-21 23:14:26,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 357 states. [2020-12-21 23:14:26,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 586 transitions. [2020-12-21 23:14:26,433 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 586 transitions. Word has length 99 [2020-12-21 23:14:26,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-21 23:14:26,434 INFO L481 AbstractCegarLoop]: Abstraction has 357 states and 586 transitions. [2020-12-21 23:14:26,434 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-21 23:14:26,434 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 586 transitions. [2020-12-21 23:14:26,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-12-21 23:14:26,436 INFO L414 BasicCegarLoop]: Found error trace [2020-12-21 23:14:26,436 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-12-21 23:14:26,436 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-21 23:14:26,436 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-21 23:14:26,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-21 23:14:26,437 INFO L82 PathProgramCache]: Analyzing trace with hash -2130209566, now seen corresponding path program 1 times [2020-12-21 23:14:26,437 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-21 23:14:26,438 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444260078] [2020-12-21 23:14:26,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-21 23:14:26,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-21 23:14:26,484 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-12-21 23:14:26,484 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [444260078] [2020-12-21 23:14:26,484 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-21 23:14:26,485 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-21 23:14:26,485 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067312097] [2020-12-21 23:14:26,485 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-21 23:14:26,486 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-21 23:14:26,486 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-21 23:14:26,486 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-21 23:14:26,487 INFO L87 Difference]: Start difference. First operand 357 states and 586 transitions. Second operand 3 states. [2020-12-21 23:14:26,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-21 23:14:26,664 INFO L93 Difference]: Finished difference Result 708 states and 1162 transitions. [2020-12-21 23:14:26,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-21 23:14:26,665 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 99 [2020-12-21 23:14:26,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-21 23:14:26,667 INFO L225 Difference]: With dead ends: 708 [2020-12-21 23:14:26,667 INFO L226 Difference]: Without dead ends: 359 [2020-12-21 23:14:26,668 INFO L677 BasicCegarLoop]: 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 [2020-12-21 23:14:26,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2020-12-21 23:14:26,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 357. [2020-12-21 23:14:26,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 357 states. [2020-12-21 23:14:26,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 582 transitions. [2020-12-21 23:14:26,683 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 582 transitions. Word has length 99 [2020-12-21 23:14:26,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-21 23:14:26,683 INFO L481 AbstractCegarLoop]: Abstraction has 357 states and 582 transitions. [2020-12-21 23:14:26,683 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-21 23:14:26,683 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 582 transitions. [2020-12-21 23:14:26,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2020-12-21 23:14:26,685 INFO L414 BasicCegarLoop]: Found error trace [2020-12-21 23:14:26,685 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-12-21 23:14:26,685 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-21 23:14:26,685 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-21 23:14:26,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-21 23:14:26,686 INFO L82 PathProgramCache]: Analyzing trace with hash -417318601, now seen corresponding path program 1 times [2020-12-21 23:14:26,686 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-21 23:14:26,686 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41020219] [2020-12-21 23:14:26,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-21 23:14:26,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-21 23:14:26,751 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-12-21 23:14:26,751 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41020219] [2020-12-21 23:14:26,752 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-21 23:14:26,752 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-21 23:14:26,752 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941235994] [2020-12-21 23:14:26,753 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-21 23:14:26,753 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-21 23:14:26,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-21 23:14:26,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-21 23:14:26,754 INFO L87 Difference]: Start difference. First operand 357 states and 582 transitions. Second operand 3 states. [2020-12-21 23:14:26,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-21 23:14:26,995 INFO L93 Difference]: Finished difference Result 713 states and 1164 transitions. [2020-12-21 23:14:26,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-21 23:14:26,996 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 100 [2020-12-21 23:14:26,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-21 23:14:27,000 INFO L225 Difference]: With dead ends: 713 [2020-12-21 23:14:27,000 INFO L226 Difference]: Without dead ends: 364 [2020-12-21 23:14:27,002 INFO L677 BasicCegarLoop]: 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 [2020-12-21 23:14:27,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2020-12-21 23:14:27,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 357. [2020-12-21 23:14:27,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 357 states. [2020-12-21 23:14:27,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 577 transitions. [2020-12-21 23:14:27,025 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 577 transitions. Word has length 100 [2020-12-21 23:14:27,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-21 23:14:27,025 INFO L481 AbstractCegarLoop]: Abstraction has 357 states and 577 transitions. [2020-12-21 23:14:27,025 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-21 23:14:27,025 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 577 transitions. [2020-12-21 23:14:27,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2020-12-21 23:14:27,028 INFO L414 BasicCegarLoop]: Found error trace [2020-12-21 23:14:27,028 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-12-21 23:14:27,029 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-21 23:14:27,029 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-21 23:14:27,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-21 23:14:27,030 INFO L82 PathProgramCache]: Analyzing trace with hash -1321281040, now seen corresponding path program 1 times [2020-12-21 23:14:27,030 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-21 23:14:27,030 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735023003] [2020-12-21 23:14:27,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-21 23:14:27,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-21 23:14:27,085 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-12-21 23:14:27,085 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [735023003] [2020-12-21 23:14:27,086 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-21 23:14:27,086 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-21 23:14:27,086 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739651781] [2020-12-21 23:14:27,087 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-21 23:14:27,087 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-21 23:14:27,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-21 23:14:27,088 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-21 23:14:27,088 INFO L87 Difference]: Start difference. First operand 357 states and 577 transitions. Second operand 3 states. [2020-12-21 23:14:27,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-21 23:14:27,298 INFO L93 Difference]: Finished difference Result 731 states and 1183 transitions. [2020-12-21 23:14:27,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-21 23:14:27,299 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 105 [2020-12-21 23:14:27,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-21 23:14:27,302 INFO L225 Difference]: With dead ends: 731 [2020-12-21 23:14:27,302 INFO L226 Difference]: Without dead ends: 382 [2020-12-21 23:14:27,304 INFO L677 BasicCegarLoop]: 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 [2020-12-21 23:14:27,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2020-12-21 23:14:27,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 378. [2020-12-21 23:14:27,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 378 states. [2020-12-21 23:14:27,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 606 transitions. [2020-12-21 23:14:27,323 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 606 transitions. Word has length 105 [2020-12-21 23:14:27,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-21 23:14:27,323 INFO L481 AbstractCegarLoop]: Abstraction has 378 states and 606 transitions. [2020-12-21 23:14:27,323 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-21 23:14:27,323 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 606 transitions. [2020-12-21 23:14:27,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2020-12-21 23:14:27,326 INFO L414 BasicCegarLoop]: Found error trace [2020-12-21 23:14:27,326 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-21 23:14:27,326 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-12-21 23:14:27,327 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-21 23:14:27,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-21 23:14:27,328 INFO L82 PathProgramCache]: Analyzing trace with hash 1276596489, now seen corresponding path program 1 times [2020-12-21 23:14:27,328 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-21 23:14:27,328 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107623087] [2020-12-21 23:14:27,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-21 23:14:27,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-21 23:14:27,376 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-12-21 23:14:27,377 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107623087] [2020-12-21 23:14:27,377 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-21 23:14:27,377 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-21 23:14:27,378 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475340250] [2020-12-21 23:14:27,378 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-21 23:14:27,378 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-21 23:14:27,379 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-21 23:14:27,379 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-21 23:14:27,380 INFO L87 Difference]: Start difference. First operand 378 states and 606 transitions. Second operand 3 states. [2020-12-21 23:14:27,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-21 23:14:27,577 INFO L93 Difference]: Finished difference Result 752 states and 1206 transitions. [2020-12-21 23:14:27,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-21 23:14:27,577 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 106 [2020-12-21 23:14:27,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-21 23:14:27,580 INFO L225 Difference]: With dead ends: 752 [2020-12-21 23:14:27,580 INFO L226 Difference]: Without dead ends: 382 [2020-12-21 23:14:27,581 INFO L677 BasicCegarLoop]: 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 [2020-12-21 23:14:27,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2020-12-21 23:14:27,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 378. [2020-12-21 23:14:27,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 378 states. [2020-12-21 23:14:27,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 600 transitions. [2020-12-21 23:14:27,598 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 600 transitions. Word has length 106 [2020-12-21 23:14:27,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-21 23:14:27,599 INFO L481 AbstractCegarLoop]: Abstraction has 378 states and 600 transitions. [2020-12-21 23:14:27,599 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-21 23:14:27,599 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 600 transitions. [2020-12-21 23:14:27,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-12-21 23:14:27,601 INFO L414 BasicCegarLoop]: Found error trace [2020-12-21 23:14:27,601 INFO L422 BasicCegarLoop]: 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] [2020-12-21 23:14:27,601 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-12-21 23:14:27,602 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-21 23:14:27,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-21 23:14:27,602 INFO L82 PathProgramCache]: Analyzing trace with hash -687746511, now seen corresponding path program 1 times [2020-12-21 23:14:27,603 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-21 23:14:27,603 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194034998] [2020-12-21 23:14:27,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-21 23:14:27,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-21 23:14:27,658 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-21 23:14:27,658 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [194034998] [2020-12-21 23:14:27,658 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-21 23:14:27,659 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-21 23:14:27,659 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919397702] [2020-12-21 23:14:27,659 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-21 23:14:27,659 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-21 23:14:27,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-21 23:14:27,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-21 23:14:27,660 INFO L87 Difference]: Start difference. First operand 378 states and 600 transitions. Second operand 3 states. [2020-12-21 23:14:27,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-21 23:14:27,720 INFO L93 Difference]: Finished difference Result 1072 states and 1706 transitions. [2020-12-21 23:14:27,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-21 23:14:27,721 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 121 [2020-12-21 23:14:27,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-21 23:14:27,725 INFO L225 Difference]: With dead ends: 1072 [2020-12-21 23:14:27,725 INFO L226 Difference]: Without dead ends: 702 [2020-12-21 23:14:27,726 INFO L677 BasicCegarLoop]: 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 [2020-12-21 23:14:27,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 702 states. [2020-12-21 23:14:27,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 702 to 702. [2020-12-21 23:14:27,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 702 states. [2020-12-21 23:14:27,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 702 states and 1113 transitions. [2020-12-21 23:14:27,754 INFO L78 Accepts]: Start accepts. Automaton has 702 states and 1113 transitions. Word has length 121 [2020-12-21 23:14:27,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-21 23:14:27,754 INFO L481 AbstractCegarLoop]: Abstraction has 702 states and 1113 transitions. [2020-12-21 23:14:27,755 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-21 23:14:27,755 INFO L276 IsEmpty]: Start isEmpty. Operand 702 states and 1113 transitions. [2020-12-21 23:14:27,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-12-21 23:14:27,757 INFO L414 BasicCegarLoop]: Found error trace [2020-12-21 23:14:27,758 INFO L422 BasicCegarLoop]: 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] [2020-12-21 23:14:27,758 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-12-21 23:14:27,758 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-21 23:14:27,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-21 23:14:27,759 INFO L82 PathProgramCache]: Analyzing trace with hash 209646767, now seen corresponding path program 1 times [2020-12-21 23:14:27,759 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-21 23:14:27,759 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162837288] [2020-12-21 23:14:27,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-21 23:14:27,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-21 23:14:27,817 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2020-12-21 23:14:27,817 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1162837288] [2020-12-21 23:14:27,818 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-21 23:14:27,818 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-21 23:14:27,818 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333919866] [2020-12-21 23:14:27,819 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-21 23:14:27,819 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-21 23:14:27,819 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-21 23:14:27,819 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-21 23:14:27,820 INFO L87 Difference]: Start difference. First operand 702 states and 1113 transitions. Second operand 3 states. [2020-12-21 23:14:27,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-21 23:14:27,882 INFO L93 Difference]: Finished difference Result 1072 states and 1701 transitions. [2020-12-21 23:14:27,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-21 23:14:27,883 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 121 [2020-12-21 23:14:27,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-21 23:14:27,889 INFO L225 Difference]: With dead ends: 1072 [2020-12-21 23:14:27,889 INFO L226 Difference]: Without dead ends: 1070 [2020-12-21 23:14:27,890 INFO L677 BasicCegarLoop]: 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 [2020-12-21 23:14:27,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1070 states. [2020-12-21 23:14:27,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1070 to 1070. [2020-12-21 23:14:27,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1070 states. [2020-12-21 23:14:27,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1070 states to 1070 states and 1699 transitions. [2020-12-21 23:14:27,936 INFO L78 Accepts]: Start accepts. Automaton has 1070 states and 1699 transitions. Word has length 121 [2020-12-21 23:14:27,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-21 23:14:27,937 INFO L481 AbstractCegarLoop]: Abstraction has 1070 states and 1699 transitions. [2020-12-21 23:14:27,937 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-21 23:14:27,937 INFO L276 IsEmpty]: Start isEmpty. Operand 1070 states and 1699 transitions. [2020-12-21 23:14:27,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-12-21 23:14:27,940 INFO L414 BasicCegarLoop]: Found error trace [2020-12-21 23:14:27,940 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-12-21 23:14:27,941 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-12-21 23:14:27,941 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-21 23:14:27,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-21 23:14:27,941 INFO L82 PathProgramCache]: Analyzing trace with hash -1473242480, now seen corresponding path program 1 times [2020-12-21 23:14:27,942 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-21 23:14:27,942 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876309011] [2020-12-21 23:14:27,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-21 23:14:27,956 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-21 23:14:27,956 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1480435223] [2020-12-21 23:14:27,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-21 23:14:28,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-21 23:14:28,076 INFO L263 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-21 23:14:28,097 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-21 23:14:28,342 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-12-21 23:14:28,342 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1876309011] [2020-12-21 23:14:28,343 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-21 23:14:28,343 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1480435223] [2020-12-21 23:14:28,343 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-21 23:14:28,343 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-21 23:14:28,344 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009561507] [2020-12-21 23:14:28,344 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-21 23:14:28,344 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-21 23:14:28,345 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-21 23:14:28,345 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-21 23:14:28,345 INFO L87 Difference]: Start difference. First operand 1070 states and 1699 transitions. Second operand 3 states. [2020-12-21 23:14:28,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-21 23:14:28,476 INFO L93 Difference]: Finished difference Result 2500 states and 3972 transitions. [2020-12-21 23:14:28,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-21 23:14:28,477 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 122 [2020-12-21 23:14:28,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-21 23:14:28,485 INFO L225 Difference]: With dead ends: 2500 [2020-12-21 23:14:28,485 INFO L226 Difference]: Without dead ends: 1438 [2020-12-21 23:14:28,494 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-21 23:14:28,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1438 states. [2020-12-21 23:14:28,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1438 to 1438. [2020-12-21 23:14:28,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1438 states. [2020-12-21 23:14:28,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1438 states to 1438 states and 2282 transitions. [2020-12-21 23:14:28,569 INFO L78 Accepts]: Start accepts. Automaton has 1438 states and 2282 transitions. Word has length 122 [2020-12-21 23:14:28,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-21 23:14:28,569 INFO L481 AbstractCegarLoop]: Abstraction has 1438 states and 2282 transitions. [2020-12-21 23:14:28,570 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-21 23:14:28,570 INFO L276 IsEmpty]: Start isEmpty. Operand 1438 states and 2282 transitions. [2020-12-21 23:14:28,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-12-21 23:14:28,574 INFO L414 BasicCegarLoop]: Found error trace [2020-12-21 23:14:28,574 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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] [2020-12-21 23:14:28,788 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2020-12-21 23:14:28,789 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-21 23:14:28,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-21 23:14:28,790 INFO L82 PathProgramCache]: Analyzing trace with hash -1161393041, now seen corresponding path program 1 times [2020-12-21 23:14:28,791 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-21 23:14:28,791 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947508524] [2020-12-21 23:14:28,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-21 23:14:28,804 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-21 23:14:28,804 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1468206295] [2020-12-21 23:14:28,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-21 23:14:28,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-21 23:14:28,909 INFO L263 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-21 23:14:28,913 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-21 23:14:29,035 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-12-21 23:14:29,035 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947508524] [2020-12-21 23:14:29,036 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-21 23:14:29,036 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1468206295] [2020-12-21 23:14:29,036 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-21 23:14:29,036 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-21 23:14:29,036 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403577095] [2020-12-21 23:14:29,037 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-21 23:14:29,037 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-21 23:14:29,038 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-21 23:14:29,038 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-21 23:14:29,038 INFO L87 Difference]: Start difference. First operand 1438 states and 2282 transitions. Second operand 3 states. [2020-12-21 23:14:29,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-21 23:14:29,156 INFO L93 Difference]: Finished difference Result 2868 states and 4555 transitions. [2020-12-21 23:14:29,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-21 23:14:29,156 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 138 [2020-12-21 23:14:29,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-21 23:14:29,167 INFO L225 Difference]: With dead ends: 2868 [2020-12-21 23:14:29,167 INFO L226 Difference]: Without dead ends: 1806 [2020-12-21 23:14:29,169 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-21 23:14:29,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1806 states. [2020-12-21 23:14:29,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1806 to 1806. [2020-12-21 23:14:29,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1806 states. [2020-12-21 23:14:29,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1806 states to 1806 states and 2866 transitions. [2020-12-21 23:14:29,250 INFO L78 Accepts]: Start accepts. Automaton has 1806 states and 2866 transitions. Word has length 138 [2020-12-21 23:14:29,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-21 23:14:29,250 INFO L481 AbstractCegarLoop]: Abstraction has 1806 states and 2866 transitions. [2020-12-21 23:14:29,250 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-21 23:14:29,250 INFO L276 IsEmpty]: Start isEmpty. Operand 1806 states and 2866 transitions. [2020-12-21 23:14:29,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2020-12-21 23:14:29,256 INFO L414 BasicCegarLoop]: Found error trace [2020-12-21 23:14:29,256 INFO L422 BasicCegarLoop]: 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, 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] [2020-12-21 23:14:29,471 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2020-12-21 23:14:29,471 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-21 23:14:29,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-21 23:14:29,472 INFO L82 PathProgramCache]: Analyzing trace with hash 230274424, now seen corresponding path program 1 times [2020-12-21 23:14:29,473 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-21 23:14:29,473 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244484824] [2020-12-21 23:14:29,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-21 23:14:29,493 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-21 23:14:29,493 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [970690594] [2020-12-21 23:14:29,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-21 23:14:29,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-21 23:14:29,612 INFO L263 TraceCheckSpWp]: Trace formula consists of 374 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-21 23:14:29,619 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-21 23:14:29,853 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 255 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2020-12-21 23:14:29,854 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [244484824] [2020-12-21 23:14:29,854 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-21 23:14:29,854 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [970690594] [2020-12-21 23:14:29,855 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-21 23:14:29,855 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-21 23:14:29,855 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258132357] [2020-12-21 23:14:29,857 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-21 23:14:29,859 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-21 23:14:29,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-21 23:14:29,861 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-21 23:14:29,861 INFO L87 Difference]: Start difference. First operand 1806 states and 2866 transitions. Second operand 3 states. [2020-12-21 23:14:30,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-21 23:14:30,157 INFO L93 Difference]: Finished difference Result 3649 states and 5775 transitions. [2020-12-21 23:14:30,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-21 23:14:30,158 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 199 [2020-12-21 23:14:30,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-21 23:14:30,170 INFO L225 Difference]: With dead ends: 3649 [2020-12-21 23:14:30,170 INFO L226 Difference]: Without dead ends: 1851 [2020-12-21 23:14:30,173 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-21 23:14:30,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1851 states. [2020-12-21 23:14:30,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1851 to 1806. [2020-12-21 23:14:30,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1806 states. [2020-12-21 23:14:30,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1806 states to 1806 states and 2794 transitions. [2020-12-21 23:14:30,260 INFO L78 Accepts]: Start accepts. Automaton has 1806 states and 2794 transitions. Word has length 199 [2020-12-21 23:14:30,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-21 23:14:30,261 INFO L481 AbstractCegarLoop]: Abstraction has 1806 states and 2794 transitions. [2020-12-21 23:14:30,261 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-21 23:14:30,261 INFO L276 IsEmpty]: Start isEmpty. Operand 1806 states and 2794 transitions. [2020-12-21 23:14:30,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2020-12-21 23:14:30,269 INFO L414 BasicCegarLoop]: Found error trace [2020-12-21 23:14:30,270 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 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] [2020-12-21 23:14:30,483 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-21 23:14:30,484 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-21 23:14:30,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-21 23:14:30,485 INFO L82 PathProgramCache]: Analyzing trace with hash 1368505586, now seen corresponding path program 1 times [2020-12-21 23:14:30,486 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-21 23:14:30,486 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715484854] [2020-12-21 23:14:30,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-21 23:14:30,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-21 23:14:30,564 INFO L134 CoverageAnalysis]: Checked inductivity of 362 backedges. 223 proven. 0 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2020-12-21 23:14:30,565 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1715484854] [2020-12-21 23:14:30,565 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-21 23:14:30,565 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-21 23:14:30,566 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301362047] [2020-12-21 23:14:30,566 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-21 23:14:30,566 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-21 23:14:30,567 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-21 23:14:30,567 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-21 23:14:30,567 INFO L87 Difference]: Start difference. First operand 1806 states and 2794 transitions. Second operand 3 states. [2020-12-21 23:14:30,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-21 23:14:30,837 INFO L93 Difference]: Finished difference Result 3666 states and 5648 transitions. [2020-12-21 23:14:30,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-21 23:14:30,838 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 212 [2020-12-21 23:14:30,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-21 23:14:30,848 INFO L225 Difference]: With dead ends: 3666 [2020-12-21 23:14:30,848 INFO L226 Difference]: Without dead ends: 1868 [2020-12-21 23:14:30,851 INFO L677 BasicCegarLoop]: 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 [2020-12-21 23:14:30,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1868 states. [2020-12-21 23:14:30,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1868 to 1806. [2020-12-21 23:14:30,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1806 states. [2020-12-21 23:14:30,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1806 states to 1806 states and 2716 transitions. [2020-12-21 23:14:30,928 INFO L78 Accepts]: Start accepts. Automaton has 1806 states and 2716 transitions. Word has length 212 [2020-12-21 23:14:30,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-21 23:14:30,929 INFO L481 AbstractCegarLoop]: Abstraction has 1806 states and 2716 transitions. [2020-12-21 23:14:30,929 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-21 23:14:30,929 INFO L276 IsEmpty]: Start isEmpty. Operand 1806 states and 2716 transitions. [2020-12-21 23:14:30,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2020-12-21 23:14:30,936 INFO L414 BasicCegarLoop]: Found error trace [2020-12-21 23:14:30,936 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2020-12-21 23:14:30,936 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-12-21 23:14:30,937 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-21 23:14:30,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-21 23:14:30,937 INFO L82 PathProgramCache]: Analyzing trace with hash 1759452965, now seen corresponding path program 1 times [2020-12-21 23:14:30,937 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-21 23:14:30,938 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447438583] [2020-12-21 23:14:30,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-21 23:14:30,954 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-21 23:14:30,954 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [528493152] [2020-12-21 23:14:30,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-21 23:14:31,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-21 23:14:31,082 INFO L263 TraceCheckSpWp]: Trace formula consists of 427 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-21 23:14:31,086 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-21 23:14:31,285 INFO L134 CoverageAnalysis]: Checked inductivity of 497 backedges. 362 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2020-12-21 23:14:31,285 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447438583] [2020-12-21 23:14:31,285 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-21 23:14:31,286 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [528493152] [2020-12-21 23:14:31,286 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-21 23:14:31,286 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-21 23:14:31,286 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961285731] [2020-12-21 23:14:31,287 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-21 23:14:31,287 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-21 23:14:31,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-21 23:14:31,289 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-21 23:14:31,290 INFO L87 Difference]: Start difference. First operand 1806 states and 2716 transitions. Second operand 3 states. [2020-12-21 23:14:31,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-21 23:14:31,495 INFO L93 Difference]: Finished difference Result 3844 states and 5780 transitions. [2020-12-21 23:14:31,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-21 23:14:31,496 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 241 [2020-12-21 23:14:31,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-21 23:14:31,506 INFO L225 Difference]: With dead ends: 3844 [2020-12-21 23:14:31,506 INFO L226 Difference]: Without dead ends: 1921 [2020-12-21 23:14:31,509 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 239 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-21 23:14:31,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1921 states. [2020-12-21 23:14:31,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1921 to 1876. [2020-12-21 23:14:31,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1876 states. [2020-12-21 23:14:31,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1876 states to 1876 states and 2771 transitions. [2020-12-21 23:14:31,593 INFO L78 Accepts]: Start accepts. Automaton has 1876 states and 2771 transitions. Word has length 241 [2020-12-21 23:14:31,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-21 23:14:31,594 INFO L481 AbstractCegarLoop]: Abstraction has 1876 states and 2771 transitions. [2020-12-21 23:14:31,594 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-21 23:14:31,594 INFO L276 IsEmpty]: Start isEmpty. Operand 1876 states and 2771 transitions. [2020-12-21 23:14:31,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2020-12-21 23:14:31,600 INFO L414 BasicCegarLoop]: Found error trace [2020-12-21 23:14:31,601 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2020-12-21 23:14:31,814 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-21 23:14:31,815 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-21 23:14:31,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-21 23:14:31,816 INFO L82 PathProgramCache]: Analyzing trace with hash 1825507112, now seen corresponding path program 1 times [2020-12-21 23:14:31,816 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-21 23:14:31,817 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051980701] [2020-12-21 23:14:31,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-21 23:14:31,834 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-21 23:14:31,834 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [989705427] [2020-12-21 23:14:31,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-21 23:14:31,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-21 23:14:31,948 INFO L263 TraceCheckSpWp]: Trace formula consists of 452 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-21 23:14:31,951 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-21 23:14:32,178 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 343 proven. 0 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2020-12-21 23:14:32,179 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2051980701] [2020-12-21 23:14:32,179 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-21 23:14:32,179 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [989705427] [2020-12-21 23:14:32,179 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-21 23:14:32,180 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-21 23:14:32,180 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911676577] [2020-12-21 23:14:32,180 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-21 23:14:32,180 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-21 23:14:32,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-21 23:14:32,185 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-21 23:14:32,185 INFO L87 Difference]: Start difference. First operand 1876 states and 2771 transitions. Second operand 3 states. [2020-12-21 23:14:32,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-21 23:14:32,426 INFO L93 Difference]: Finished difference Result 3789 states and 5585 transitions. [2020-12-21 23:14:32,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-21 23:14:32,427 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 255 [2020-12-21 23:14:32,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-21 23:14:32,437 INFO L225 Difference]: With dead ends: 3789 [2020-12-21 23:14:32,438 INFO L226 Difference]: Without dead ends: 1921 [2020-12-21 23:14:32,441 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 254 GetRequests, 253 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-21 23:14:32,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1921 states. [2020-12-21 23:14:32,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1921 to 1876. [2020-12-21 23:14:32,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1876 states. [2020-12-21 23:14:32,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1876 states to 1876 states and 2701 transitions. [2020-12-21 23:14:32,520 INFO L78 Accepts]: Start accepts. Automaton has 1876 states and 2701 transitions. Word has length 255 [2020-12-21 23:14:32,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-21 23:14:32,521 INFO L481 AbstractCegarLoop]: Abstraction has 1876 states and 2701 transitions. [2020-12-21 23:14:32,521 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-21 23:14:32,521 INFO L276 IsEmpty]: Start isEmpty. Operand 1876 states and 2701 transitions. [2020-12-21 23:14:32,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2020-12-21 23:14:32,528 INFO L414 BasicCegarLoop]: Found error trace [2020-12-21 23:14:32,529 INFO L422 BasicCegarLoop]: 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] [2020-12-21 23:14:32,742 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2020-12-21 23:14:32,743 INFO L429 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-21 23:14:32,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-21 23:14:32,745 INFO L82 PathProgramCache]: Analyzing trace with hash 1622703552, now seen corresponding path program 1 times [2020-12-21 23:14:32,745 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-21 23:14:32,746 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902543559] [2020-12-21 23:14:32,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-21 23:14:32,765 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-21 23:14:32,765 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1271367746] [2020-12-21 23:14:32,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-21 23:14:32,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-21 23:14:32,895 INFO L263 TraceCheckSpWp]: Trace formula consists of 459 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-21 23:14:32,898 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-21 23:14:33,327 INFO L134 CoverageAnalysis]: Checked inductivity of 654 backedges. 429 proven. 0 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2020-12-21 23:14:33,328 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1902543559] [2020-12-21 23:14:33,328 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-21 23:14:33,328 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1271367746] [2020-12-21 23:14:33,328 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-21 23:14:33,329 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-21 23:14:33,329 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451426477] [2020-12-21 23:14:33,330 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-21 23:14:33,330 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-21 23:14:33,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-21 23:14:33,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-21 23:14:33,331 INFO L87 Difference]: Start difference. First operand 1876 states and 2701 transitions. Second operand 3 states. [2020-12-21 23:14:33,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-21 23:14:33,464 INFO L93 Difference]: Finished difference Result 5592 states and 8059 transitions. [2020-12-21 23:14:33,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-21 23:14:33,464 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 269 [2020-12-21 23:14:33,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-21 23:14:33,486 INFO L225 Difference]: With dead ends: 5592 [2020-12-21 23:14:33,486 INFO L226 Difference]: Without dead ends: 3724 [2020-12-21 23:14:33,490 INFO L677 BasicCegarLoop]: 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 [2020-12-21 23:14:33,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3724 states. [2020-12-21 23:14:33,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3724 to 3722. [2020-12-21 23:14:33,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3722 states. [2020-12-21 23:14:33,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3722 states to 3722 states and 5354 transitions. [2020-12-21 23:14:33,629 INFO L78 Accepts]: Start accepts. Automaton has 3722 states and 5354 transitions. Word has length 269 [2020-12-21 23:14:33,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-21 23:14:33,630 INFO L481 AbstractCegarLoop]: Abstraction has 3722 states and 5354 transitions. [2020-12-21 23:14:33,630 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-21 23:14:33,630 INFO L276 IsEmpty]: Start isEmpty. Operand 3722 states and 5354 transitions. [2020-12-21 23:14:33,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2020-12-21 23:14:33,641 INFO L414 BasicCegarLoop]: Found error trace [2020-12-21 23:14:33,641 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 4, 4, 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] [2020-12-21 23:14:33,854 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-21 23:14:33,854 INFO L429 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-21 23:14:33,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-21 23:14:33,855 INFO L82 PathProgramCache]: Analyzing trace with hash -1812515673, now seen corresponding path program 1 times [2020-12-21 23:14:33,855 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-21 23:14:33,855 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937985556] [2020-12-21 23:14:33,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-21 23:14:33,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-21 23:14:34,015 INFO L134 CoverageAnalysis]: Checked inductivity of 877 backedges. 297 proven. 0 refuted. 0 times theorem prover too weak. 580 trivial. 0 not checked. [2020-12-21 23:14:34,015 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [937985556] [2020-12-21 23:14:34,015 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-21 23:14:34,015 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-21 23:14:34,016 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500602663] [2020-12-21 23:14:34,016 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-21 23:14:34,016 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-21 23:14:34,017 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-21 23:14:34,017 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-21 23:14:34,017 INFO L87 Difference]: Start difference. First operand 3722 states and 5354 transitions. Second operand 3 states. [2020-12-21 23:14:34,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-21 23:14:34,248 INFO L93 Difference]: Finished difference Result 7581 states and 10901 transitions. [2020-12-21 23:14:34,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-21 23:14:34,248 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 307 [2020-12-21 23:14:34,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-21 23:14:34,268 INFO L225 Difference]: With dead ends: 7581 [2020-12-21 23:14:34,268 INFO L226 Difference]: Without dead ends: 3867 [2020-12-21 23:14:34,274 INFO L677 BasicCegarLoop]: 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 [2020-12-21 23:14:34,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3867 states. [2020-12-21 23:14:34,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3867 to 3837. [2020-12-21 23:14:34,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3837 states. [2020-12-21 23:14:34,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3837 states to 3837 states and 5494 transitions. [2020-12-21 23:14:34,453 INFO L78 Accepts]: Start accepts. Automaton has 3837 states and 5494 transitions. Word has length 307 [2020-12-21 23:14:34,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-21 23:14:34,453 INFO L481 AbstractCegarLoop]: Abstraction has 3837 states and 5494 transitions. [2020-12-21 23:14:34,453 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-21 23:14:34,453 INFO L276 IsEmpty]: Start isEmpty. Operand 3837 states and 5494 transitions. [2020-12-21 23:14:34,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2020-12-21 23:14:34,466 INFO L414 BasicCegarLoop]: Found error trace [2020-12-21 23:14:34,466 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 8, 8, 8, 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, 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] [2020-12-21 23:14:34,466 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-12-21 23:14:34,466 INFO L429 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-21 23:14:34,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-21 23:14:34,467 INFO L82 PathProgramCache]: Analyzing trace with hash -1267987889, now seen corresponding path program 1 times [2020-12-21 23:14:34,467 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-21 23:14:34,467 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569828085] [2020-12-21 23:14:34,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-21 23:14:34,489 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-21 23:14:34,489 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1842029106] [2020-12-21 23:14:34,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-21 23:14:34,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-21 23:14:34,621 INFO L263 TraceCheckSpWp]: Trace formula consists of 543 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-21 23:14:34,625 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-21 23:14:34,888 INFO L134 CoverageAnalysis]: Checked inductivity of 968 backedges. 564 proven. 0 refuted. 0 times theorem prover too weak. 404 trivial. 0 not checked. [2020-12-21 23:14:34,888 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569828085] [2020-12-21 23:14:34,888 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-21 23:14:34,888 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1842029106] [2020-12-21 23:14:34,889 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-21 23:14:34,889 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-21 23:14:34,889 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580989481] [2020-12-21 23:14:34,890 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-21 23:14:34,890 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-21 23:14:34,890 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-21 23:14:34,891 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-21 23:14:34,891 INFO L87 Difference]: Start difference. First operand 3837 states and 5494 transitions. Second operand 3 states. [2020-12-21 23:14:35,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-21 23:14:35,149 INFO L93 Difference]: Finished difference Result 7666 states and 10976 transitions. [2020-12-21 23:14:35,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-21 23:14:35,150 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 320 [2020-12-21 23:14:35,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-21 23:14:35,158 INFO L225 Difference]: With dead ends: 7666 [2020-12-21 23:14:35,159 INFO L226 Difference]: Without dead ends: 2264 [2020-12-21 23:14:35,166 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 319 GetRequests, 318 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-21 23:14:35,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2264 states. [2020-12-21 23:14:35,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2264 to 2264. [2020-12-21 23:14:35,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2264 states. [2020-12-21 23:14:35,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2264 states to 2264 states and 3184 transitions. [2020-12-21 23:14:35,254 INFO L78 Accepts]: Start accepts. Automaton has 2264 states and 3184 transitions. Word has length 320 [2020-12-21 23:14:35,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-21 23:14:35,254 INFO L481 AbstractCegarLoop]: Abstraction has 2264 states and 3184 transitions. [2020-12-21 23:14:35,254 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-21 23:14:35,254 INFO L276 IsEmpty]: Start isEmpty. Operand 2264 states and 3184 transitions. [2020-12-21 23:14:35,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2020-12-21 23:14:35,263 INFO L414 BasicCegarLoop]: Found error trace [2020-12-21 23:14:35,263 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 4, 4, 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] [2020-12-21 23:14:35,477 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2020-12-21 23:14:35,477 INFO L429 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-21 23:14:35,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-21 23:14:35,479 INFO L82 PathProgramCache]: Analyzing trace with hash 493001237, now seen corresponding path program 1 times [2020-12-21 23:14:35,479 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-21 23:14:35,479 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596997221] [2020-12-21 23:14:35,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-21 23:14:35,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-21 23:14:35,650 INFO L134 CoverageAnalysis]: Checked inductivity of 1030 backedges. 435 proven. 0 refuted. 0 times theorem prover too weak. 595 trivial. 0 not checked. [2020-12-21 23:14:35,651 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596997221] [2020-12-21 23:14:35,651 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-21 23:14:35,651 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-21 23:14:35,651 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133829284] [2020-12-21 23:14:35,652 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-21 23:14:35,653 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-21 23:14:35,653 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-21 23:14:35,653 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-21 23:14:35,654 INFO L87 Difference]: Start difference. First operand 2264 states and 3184 transitions. Second operand 3 states. [2020-12-21 23:14:35,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-21 23:14:35,871 INFO L93 Difference]: Finished difference Result 4742 states and 6692 transitions. [2020-12-21 23:14:35,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-21 23:14:35,872 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 327 [2020-12-21 23:14:35,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-21 23:14:35,878 INFO L225 Difference]: With dead ends: 4742 [2020-12-21 23:14:35,879 INFO L226 Difference]: Without dead ends: 2486 [2020-12-21 23:14:35,882 INFO L677 BasicCegarLoop]: 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 [2020-12-21 23:14:35,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2486 states. [2020-12-21 23:14:35,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2486 to 2414. [2020-12-21 23:14:35,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2414 states. [2020-12-21 23:14:35,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2414 states to 2414 states and 3364 transitions. [2020-12-21 23:14:35,980 INFO L78 Accepts]: Start accepts. Automaton has 2414 states and 3364 transitions. Word has length 327 [2020-12-21 23:14:35,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-21 23:14:35,981 INFO L481 AbstractCegarLoop]: Abstraction has 2414 states and 3364 transitions. [2020-12-21 23:14:35,981 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-21 23:14:35,981 INFO L276 IsEmpty]: Start isEmpty. Operand 2414 states and 3364 transitions. [2020-12-21 23:14:35,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2020-12-21 23:14:35,989 INFO L414 BasicCegarLoop]: Found error trace [2020-12-21 23:14:35,989 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 9, 9, 8, 8, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 4, 4, 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] [2020-12-21 23:14:35,989 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-12-21 23:14:35,989 INFO L429 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-21 23:14:35,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-21 23:14:35,990 INFO L82 PathProgramCache]: Analyzing trace with hash -1757399063, now seen corresponding path program 1 times [2020-12-21 23:14:35,990 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-21 23:14:35,991 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094817358] [2020-12-21 23:14:35,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-21 23:14:36,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-21 23:14:36,180 INFO L134 CoverageAnalysis]: Checked inductivity of 1215 backedges. 587 proven. 0 refuted. 0 times theorem prover too weak. 628 trivial. 0 not checked. [2020-12-21 23:14:36,180 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094817358] [2020-12-21 23:14:36,181 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-21 23:14:36,181 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-21 23:14:36,181 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672589700] [2020-12-21 23:14:36,181 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-21 23:14:36,182 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-21 23:14:36,182 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-21 23:14:36,182 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-21 23:14:36,183 INFO L87 Difference]: Start difference. First operand 2414 states and 3364 transitions. Second operand 3 states. [2020-12-21 23:14:36,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-21 23:14:36,387 INFO L93 Difference]: Finished difference Result 4862 states and 6788 transitions. [2020-12-21 23:14:36,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-21 23:14:36,387 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 353 [2020-12-21 23:14:36,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-21 23:14:36,393 INFO L225 Difference]: With dead ends: 4862 [2020-12-21 23:14:36,393 INFO L226 Difference]: Without dead ends: 2456 [2020-12-21 23:14:36,396 INFO L677 BasicCegarLoop]: 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 [2020-12-21 23:14:36,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2456 states. [2020-12-21 23:14:36,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2456 to 2414. [2020-12-21 23:14:36,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2414 states. [2020-12-21 23:14:36,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2414 states to 2414 states and 3316 transitions. [2020-12-21 23:14:36,470 INFO L78 Accepts]: Start accepts. Automaton has 2414 states and 3316 transitions. Word has length 353 [2020-12-21 23:14:36,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-21 23:14:36,471 INFO L481 AbstractCegarLoop]: Abstraction has 2414 states and 3316 transitions. [2020-12-21 23:14:36,471 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-21 23:14:36,471 INFO L276 IsEmpty]: Start isEmpty. Operand 2414 states and 3316 transitions. [2020-12-21 23:14:36,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 371 [2020-12-21 23:14:36,477 INFO L414 BasicCegarLoop]: Found error trace [2020-12-21 23:14:36,477 INFO L422 BasicCegarLoop]: 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] [2020-12-21 23:14:36,477 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-12-21 23:14:36,477 INFO L429 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-21 23:14:36,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-21 23:14:36,478 INFO L82 PathProgramCache]: Analyzing trace with hash -1876884711, now seen corresponding path program 1 times [2020-12-21 23:14:36,478 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-21 23:14:36,478 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702609929] [2020-12-21 23:14:36,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-21 23:14:36,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-21 23:14:36,643 INFO L134 CoverageAnalysis]: Checked inductivity of 1396 backedges. 905 proven. 26 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2020-12-21 23:14:36,643 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [702609929] [2020-12-21 23:14:36,643 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [284620715] [2020-12-21 23:14:36,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-21 23:14:36,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-21 23:14:36,798 INFO L263 TraceCheckSpWp]: Trace formula consists of 602 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-21 23:14:36,802 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-21 23:14:37,150 INFO L134 CoverageAnalysis]: Checked inductivity of 1396 backedges. 905 proven. 26 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2020-12-21 23:14:37,150 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-21 23:14:37,150 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2020-12-21 23:14:37,150 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908913331] [2020-12-21 23:14:37,151 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-21 23:14:37,151 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-21 23:14:37,152 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-21 23:14:37,152 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-21 23:14:37,152 INFO L87 Difference]: Start difference. First operand 2414 states and 3316 transitions. Second operand 4 states. [2020-12-21 23:14:37,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-21 23:14:37,692 INFO L93 Difference]: Finished difference Result 7028 states and 9640 transitions. [2020-12-21 23:14:37,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-21 23:14:37,692 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 370 [2020-12-21 23:14:37,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-21 23:14:37,703 INFO L225 Difference]: With dead ends: 7028 [2020-12-21 23:14:37,704 INFO L226 Difference]: Without dead ends: 4476 [2020-12-21 23:14:37,708 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 375 GetRequests, 372 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-21 23:14:37,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4476 states. [2020-12-21 23:14:37,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4476 to 2486. [2020-12-21 23:14:37,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2486 states. [2020-12-21 23:14:37,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2486 states to 2486 states and 3374 transitions. [2020-12-21 23:14:37,836 INFO L78 Accepts]: Start accepts. Automaton has 2486 states and 3374 transitions. Word has length 370 [2020-12-21 23:14:37,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-21 23:14:37,837 INFO L481 AbstractCegarLoop]: Abstraction has 2486 states and 3374 transitions. [2020-12-21 23:14:37,837 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-21 23:14:37,837 INFO L276 IsEmpty]: Start isEmpty. Operand 2486 states and 3374 transitions. [2020-12-21 23:14:37,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 439 [2020-12-21 23:14:37,844 INFO L414 BasicCegarLoop]: Found error trace [2020-12-21 23:14:37,845 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 12, 12, 11, 11, 10, 10, 9, 9, 9, 9, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-21 23:14:38,058 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2020-12-21 23:14:38,059 INFO L429 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-21 23:14:38,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-21 23:14:38,060 INFO L82 PathProgramCache]: Analyzing trace with hash 1628763683, now seen corresponding path program 1 times [2020-12-21 23:14:38,060 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-21 23:14:38,060 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012675254] [2020-12-21 23:14:38,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-21 23:14:38,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-21 23:14:38,232 INFO L134 CoverageAnalysis]: Checked inductivity of 2015 backedges. 975 proven. 0 refuted. 0 times theorem prover too weak. 1040 trivial. 0 not checked. [2020-12-21 23:14:38,232 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1012675254] [2020-12-21 23:14:38,232 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-21 23:14:38,233 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-21 23:14:38,233 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667812868] [2020-12-21 23:14:38,233 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-21 23:14:38,234 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-21 23:14:38,234 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-21 23:14:38,234 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-21 23:14:38,234 INFO L87 Difference]: Start difference. First operand 2486 states and 3374 transitions. Second operand 3 states. [2020-12-21 23:14:38,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-21 23:14:38,451 INFO L93 Difference]: Finished difference Result 4976 states and 6748 transitions. [2020-12-21 23:14:38,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-21 23:14:38,451 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 438 [2020-12-21 23:14:38,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-21 23:14:38,457 INFO L225 Difference]: With dead ends: 4976 [2020-12-21 23:14:38,457 INFO L226 Difference]: Without dead ends: 2498 [2020-12-21 23:14:38,461 INFO L677 BasicCegarLoop]: 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 [2020-12-21 23:14:38,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2498 states. [2020-12-21 23:14:38,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2498 to 2486. [2020-12-21 23:14:38,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2486 states. [2020-12-21 23:14:38,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2486 states to 2486 states and 3326 transitions. [2020-12-21 23:14:38,574 INFO L78 Accepts]: Start accepts. Automaton has 2486 states and 3326 transitions. Word has length 438 [2020-12-21 23:14:38,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-21 23:14:38,575 INFO L481 AbstractCegarLoop]: Abstraction has 2486 states and 3326 transitions. [2020-12-21 23:14:38,575 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-21 23:14:38,575 INFO L276 IsEmpty]: Start isEmpty. Operand 2486 states and 3326 transitions. [2020-12-21 23:14:38,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 471 [2020-12-21 23:14:38,583 INFO L414 BasicCegarLoop]: Found error trace [2020-12-21 23:14:38,584 INFO L422 BasicCegarLoop]: 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] [2020-12-21 23:14:38,584 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2020-12-21 23:14:38,584 INFO L429 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-21 23:14:38,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-21 23:14:38,585 INFO L82 PathProgramCache]: Analyzing trace with hash 1752367566, now seen corresponding path program 1 times [2020-12-21 23:14:38,585 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-21 23:14:38,585 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685576229] [2020-12-21 23:14:38,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-21 23:14:38,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-21 23:14:38,857 INFO L134 CoverageAnalysis]: Checked inductivity of 2338 backedges. 1323 proven. 0 refuted. 0 times theorem prover too weak. 1015 trivial. 0 not checked. [2020-12-21 23:14:38,858 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685576229] [2020-12-21 23:14:38,858 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-21 23:14:38,858 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-21 23:14:38,858 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466562142] [2020-12-21 23:14:38,859 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-21 23:14:38,859 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-21 23:14:38,859 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-21 23:14:38,859 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-21 23:14:38,860 INFO L87 Difference]: Start difference. First operand 2486 states and 3326 transitions. Second operand 3 states. [2020-12-21 23:14:39,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-21 23:14:39,068 INFO L93 Difference]: Finished difference Result 5180 states and 6946 transitions. [2020-12-21 23:14:39,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-21 23:14:39,069 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 470 [2020-12-21 23:14:39,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-21 23:14:39,075 INFO L225 Difference]: With dead ends: 5180 [2020-12-21 23:14:39,075 INFO L226 Difference]: Without dead ends: 2702 [2020-12-21 23:14:39,079 INFO L677 BasicCegarLoop]: 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 [2020-12-21 23:14:39,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2702 states. [2020-12-21 23:14:39,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2702 to 2690. [2020-12-21 23:14:39,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2690 states. [2020-12-21 23:14:39,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2690 states to 2690 states and 3560 transitions. [2020-12-21 23:14:39,163 INFO L78 Accepts]: Start accepts. Automaton has 2690 states and 3560 transitions. Word has length 470 [2020-12-21 23:14:39,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-21 23:14:39,164 INFO L481 AbstractCegarLoop]: Abstraction has 2690 states and 3560 transitions. [2020-12-21 23:14:39,164 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-21 23:14:39,164 INFO L276 IsEmpty]: Start isEmpty. Operand 2690 states and 3560 transitions. [2020-12-21 23:14:39,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 533 [2020-12-21 23:14:39,172 INFO L414 BasicCegarLoop]: Found error trace [2020-12-21 23:14:39,172 INFO L422 BasicCegarLoop]: 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] [2020-12-21 23:14:39,172 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2020-12-21 23:14:39,172 INFO L429 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-21 23:14:39,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-21 23:14:39,173 INFO L82 PathProgramCache]: Analyzing trace with hash -742298620, now seen corresponding path program 1 times [2020-12-21 23:14:39,173 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-21 23:14:39,173 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655275107] [2020-12-21 23:14:39,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-21 23:14:39,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-21 23:14:39,443 INFO L134 CoverageAnalysis]: Checked inductivity of 3103 backedges. 1760 proven. 0 refuted. 0 times theorem prover too weak. 1343 trivial. 0 not checked. [2020-12-21 23:14:39,443 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1655275107] [2020-12-21 23:14:39,443 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-21 23:14:39,444 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-21 23:14:39,444 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529238615] [2020-12-21 23:14:39,444 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-21 23:14:39,444 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-21 23:14:39,445 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-21 23:14:39,445 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-21 23:14:39,445 INFO L87 Difference]: Start difference. First operand 2690 states and 3560 transitions. Second operand 3 states. [2020-12-21 23:14:39,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-21 23:14:39,670 INFO L93 Difference]: Finished difference Result 5600 states and 7438 transitions. [2020-12-21 23:14:39,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-21 23:14:39,670 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 532 [2020-12-21 23:14:39,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-21 23:14:39,676 INFO L225 Difference]: With dead ends: 5600 [2020-12-21 23:14:39,676 INFO L226 Difference]: Without dead ends: 2918 [2020-12-21 23:14:39,679 INFO L677 BasicCegarLoop]: 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 [2020-12-21 23:14:39,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2918 states. [2020-12-21 23:14:39,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2918 to 2906. [2020-12-21 23:14:39,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2906 states. [2020-12-21 23:14:39,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2906 states to 2906 states and 3806 transitions. [2020-12-21 23:14:39,762 INFO L78 Accepts]: Start accepts. Automaton has 2906 states and 3806 transitions. Word has length 532 [2020-12-21 23:14:39,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-21 23:14:39,762 INFO L481 AbstractCegarLoop]: Abstraction has 2906 states and 3806 transitions. [2020-12-21 23:14:39,762 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-21 23:14:39,762 INFO L276 IsEmpty]: Start isEmpty. Operand 2906 states and 3806 transitions. [2020-12-21 23:14:39,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 599 [2020-12-21 23:14:39,771 INFO L414 BasicCegarLoop]: Found error trace [2020-12-21 23:14:39,772 INFO L422 BasicCegarLoop]: 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] [2020-12-21 23:14:39,772 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2020-12-21 23:14:39,772 INFO L429 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-21 23:14:39,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-21 23:14:39,773 INFO L82 PathProgramCache]: Analyzing trace with hash -1835374162, now seen corresponding path program 1 times [2020-12-21 23:14:39,773 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-21 23:14:39,773 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910756180] [2020-12-21 23:14:39,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-21 23:14:39,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-21 23:14:40,072 INFO L134 CoverageAnalysis]: Checked inductivity of 4010 backedges. 2316 proven. 26 refuted. 0 times theorem prover too weak. 1668 trivial. 0 not checked. [2020-12-21 23:14:40,072 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1910756180] [2020-12-21 23:14:40,073 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [57823588] [2020-12-21 23:14:40,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-21 23:14:40,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-21 23:14:40,274 INFO L263 TraceCheckSpWp]: Trace formula consists of 916 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-21 23:14:40,281 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-21 23:14:40,927 INFO L134 CoverageAnalysis]: Checked inductivity of 4010 backedges. 2316 proven. 26 refuted. 0 times theorem prover too weak. 1668 trivial. 0 not checked. [2020-12-21 23:14:40,928 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-21 23:14:40,928 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2020-12-21 23:14:40,928 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487000707] [2020-12-21 23:14:40,929 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-21 23:14:40,929 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-21 23:14:40,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-21 23:14:40,930 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-12-21 23:14:40,930 INFO L87 Difference]: Start difference. First operand 2906 states and 3806 transitions. Second operand 6 states. [2020-12-21 23:14:41,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-21 23:14:41,194 INFO L93 Difference]: Finished difference Result 4541 states and 5954 transitions. [2020-12-21 23:14:41,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-21 23:14:41,194 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 598 [2020-12-21 23:14:41,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-21 23:14:41,195 INFO L225 Difference]: With dead ends: 4541 [2020-12-21 23:14:41,196 INFO L226 Difference]: Without dead ends: 0 [2020-12-21 23:14:41,200 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 603 GetRequests, 598 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-21 23:14:41,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-21 23:14:41,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-21 23:14:41,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-21 23:14:41,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-21 23:14:41,201 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 598 [2020-12-21 23:14:41,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-21 23:14:41,202 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-21 23:14:41,202 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-21 23:14:41,202 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-21 23:14:41,202 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-21 23:14:41,415 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-21 23:14:41,419 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-21 23:14:41,765 WARN L197 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 85 [2020-12-21 23:14:42,239 WARN L197 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 95 [2020-12-21 23:14:42,467 WARN L197 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 85 [2020-12-21 23:14:42,755 WARN L197 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 50 [2020-12-21 23:14:43,062 WARN L197 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 54 [2020-12-21 23:14:43,658 WARN L197 SmtUtils]: Spent 594.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 52 [2020-12-21 23:14:43,958 WARN L197 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 56 [2020-12-21 23:14:44,260 WARN L197 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 56 [2020-12-21 23:14:44,494 WARN L197 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 24 [2020-12-21 23:14:44,979 WARN L197 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 56 [2020-12-21 23:14:45,353 WARN L197 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 50 [2020-12-21 23:14:45,665 WARN L197 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 52 [2020-12-21 23:14:45,986 WARN L197 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 52 [2020-12-21 23:14:46,313 WARN L197 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 56 [2020-12-21 23:14:46,723 WARN L197 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 54 [2020-12-21 23:14:46,999 WARN L197 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 50 [2020-12-21 23:14:47,356 WARN L197 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 52 [2020-12-21 23:14:48,216 WARN L197 SmtUtils]: Spent 856.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 62 [2020-12-21 23:14:48,525 WARN L197 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 50 [2020-12-21 23:14:49,275 WARN L197 SmtUtils]: Spent 747.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 52 [2020-12-21 23:14:49,654 WARN L197 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 54 [2020-12-21 23:14:49,943 WARN L197 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 50 [2020-12-21 23:14:49,947 INFO L189 CegarLoopUtils]: For program point L663(lines 663 667) no Hoare annotation was computed. [2020-12-21 23:14:49,948 INFO L189 CegarLoopUtils]: For program point L630(lines 630 639) no Hoare annotation was computed. [2020-12-21 23:14:49,948 INFO L189 CegarLoopUtils]: For program point L663-2(lines 663 667) no Hoare annotation was computed. [2020-12-21 23:14:49,948 INFO L189 CegarLoopUtils]: For program point L630-2(lines 629 651) no Hoare annotation was computed. [2020-12-21 23:14:49,949 INFO L185 CegarLoopUtils]: At program point L399(lines 390 421) the Hoare annotation is: (let ((.cse5 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse6 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse2 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse8 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse4 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)))) (or (and (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672) .cse0 .cse1 .cse2 .cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657)) .cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) .cse5 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) .cse6 .cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656)) (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (and .cse5 .cse0 .cse6 .cse1 .cse2 .cse3 .cse8 .cse4 .cse7 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (and .cse5 .cse0 .cse6 .cse1 .cse2 .cse3 .cse8 .cse4 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse7))) [2020-12-21 23:14:49,950 INFO L185 CegarLoopUtils]: At program point L168(lines 167 606) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (.cse3 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3)) (.cse1 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8448)) (.cse2 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 .cse2 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (and .cse3 .cse1 .cse2 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (and .cse0 .cse1 .cse2 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (and (= 3 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0) .cse3 .cse1 .cse2))) [2020-12-21 23:14:49,950 INFO L185 CegarLoopUtils]: At program point L135(lines 128 619) the Hoare annotation is: (let ((.cse8 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse5 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse6 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse9 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse1 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse4 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse10) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (and .cse0 .cse2 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672) .cse5 .cse6 .cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657)) .cse9 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) .cse1 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) .cse3 .cse4 .cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656)) (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))))) [2020-12-21 23:14:49,950 INFO L189 CegarLoopUtils]: For program point L102(line 102) no Hoare annotation was computed. [2020-12-21 23:14:49,950 INFO L189 CegarLoopUtils]: For program point L367(lines 367 371) no Hoare annotation was computed. [2020-12-21 23:14:49,951 INFO L189 CegarLoopUtils]: For program point L632(lines 632 636) no Hoare annotation was computed. [2020-12-21 23:14:49,951 INFO L189 CegarLoopUtils]: For program point L401(lines 401 407) no Hoare annotation was computed. [2020-12-21 23:14:49,951 INFO L189 CegarLoopUtils]: For program point L203(lines 203 594) no Hoare annotation was computed. [2020-12-21 23:14:49,951 INFO L189 CegarLoopUtils]: For program point L170(lines 170 605) no Hoare annotation was computed. [2020-12-21 23:14:49,951 INFO L189 CegarLoopUtils]: For program point L137(lines 137 616) no Hoare annotation was computed. [2020-12-21 23:14:49,951 INFO L189 CegarLoopUtils]: For program point L104(lines 104 627) no Hoare annotation was computed. [2020-12-21 23:14:49,951 INFO L189 CegarLoopUtils]: For program point L468(lines 468 472) no Hoare annotation was computed. [2020-12-21 23:14:49,951 INFO L185 CegarLoopUtils]: At program point L204(lines 200 595) the Hoare annotation is: (and (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~0) (not (= 12292 ULTIMATE.start_ssl3_accept_~s__state~0))) [2020-12-21 23:14:49,951 INFO L185 CegarLoopUtils]: At program point L105(lines 104 627) the Hoare annotation is: (and (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8673)) (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~0) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) [2020-12-21 23:14:49,952 INFO L189 CegarLoopUtils]: For program point L503(lines 503 507) no Hoare annotation was computed. [2020-12-21 23:14:49,952 INFO L189 CegarLoopUtils]: For program point L503-2(lines 211 589) no Hoare annotation was computed. [2020-12-21 23:14:49,952 INFO L189 CegarLoopUtils]: For program point L239(lines 239 244) no Hoare annotation was computed. [2020-12-21 23:14:49,952 INFO L189 CegarLoopUtils]: For program point L206(lines 206 593) no Hoare annotation was computed. [2020-12-21 23:14:49,952 INFO L189 CegarLoopUtils]: For program point L173(lines 173 604) no Hoare annotation was computed. [2020-12-21 23:14:49,952 INFO L189 CegarLoopUtils]: For program point L140(lines 140 615) no Hoare annotation was computed. [2020-12-21 23:14:49,952 INFO L189 CegarLoopUtils]: For program point L107(lines 107 626) no Hoare annotation was computed. [2020-12-21 23:14:49,952 INFO L185 CegarLoopUtils]: At program point L207(lines 206 593) the Hoare annotation is: (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) [2020-12-21 23:14:49,953 INFO L185 CegarLoopUtils]: At program point L174(lines 170 605) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse2 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) (.cse3 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse6 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657))) (.cse7 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse8 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672))) (.cse9 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse11 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse12 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse13 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse9 .cse10 .cse11 .cse12 .cse13) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse12 .cse13) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) .cse10 .cse11 .cse12 .cse13 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))))) [2020-12-21 23:14:49,953 INFO L185 CegarLoopUtils]: At program point L141(lines 137 616) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse3 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse6 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse7 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse8 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (and .cse0 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672) .cse1 .cse4 .cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657)) .cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) .cse2 .cse3 .cse8 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656)) (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse8))) [2020-12-21 23:14:49,953 INFO L189 CegarLoopUtils]: For program point L75(lines 75 83) no Hoare annotation was computed. [2020-12-21 23:14:49,953 INFO L189 CegarLoopUtils]: For program point L274(lines 274 278) no Hoare annotation was computed. [2020-12-21 23:14:49,953 INFO L189 CegarLoopUtils]: For program point L308(lines 308 312) no Hoare annotation was computed. [2020-12-21 23:14:49,953 INFO L189 CegarLoopUtils]: For program point L308-2(lines 211 589) no Hoare annotation was computed. [2020-12-21 23:14:49,954 INFO L189 CegarLoopUtils]: For program point L176(lines 176 603) no Hoare annotation was computed. [2020-12-21 23:14:49,954 INFO L189 CegarLoopUtils]: For program point L143(lines 143 614) no Hoare annotation was computed. [2020-12-21 23:14:49,954 INFO L189 CegarLoopUtils]: For program point L110(lines 110 625) no Hoare annotation was computed. [2020-12-21 23:14:49,954 INFO L189 CegarLoopUtils]: For program point L573(lines 573 583) no Hoare annotation was computed. [2020-12-21 23:14:49,954 INFO L189 CegarLoopUtils]: For program point L573-1(lines 573 583) no Hoare annotation was computed. [2020-12-21 23:14:49,954 INFO L189 CegarLoopUtils]: For program point L441-1(lines 441 453) no Hoare annotation was computed. [2020-12-21 23:14:49,954 INFO L185 CegarLoopUtils]: At program point L210(lines 209 592) the Hoare annotation is: (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) [2020-12-21 23:14:49,954 INFO L189 CegarLoopUtils]: For program point L78(lines 78 82) no Hoare annotation was computed. [2020-12-21 23:14:49,955 INFO L189 CegarLoopUtils]: For program point L78-2(lines 75 83) no Hoare annotation was computed. [2020-12-21 23:14:49,955 INFO L185 CegarLoopUtils]: At program point L409(lines 400 420) the Hoare annotation is: (let ((.cse5 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse6 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse2 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse8 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse4 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)))) (or (and (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672) .cse0 .cse1 .cse2 .cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657)) .cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) .cse5 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) .cse6 .cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656)) (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (and .cse5 .cse0 .cse6 .cse1 .cse2 .cse3 .cse8 .cse4 .cse7 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (and .cse5 .cse0 .cse6 .cse1 .cse2 .cse3 .cse8 .cse4 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse7))) [2020-12-21 23:14:49,955 INFO L189 CegarLoopUtils]: For program point L343(lines 343 347) no Hoare annotation was computed. [2020-12-21 23:14:49,955 INFO L189 CegarLoopUtils]: For program point L343-2(lines 211 589) no Hoare annotation was computed. [2020-12-21 23:14:49,955 INFO L192 CegarLoopUtils]: At program point L674(lines 66 676) the Hoare annotation is: true [2020-12-21 23:14:49,955 INFO L189 CegarLoopUtils]: For program point L641(lines 641 647) no Hoare annotation was computed. [2020-12-21 23:14:49,955 INFO L189 CegarLoopUtils]: For program point L542(lines 542 547) no Hoare annotation was computed. [2020-12-21 23:14:49,955 INFO L189 CegarLoopUtils]: For program point L179(lines 179 602) no Hoare annotation was computed. [2020-12-21 23:14:49,956 INFO L189 CegarLoopUtils]: For program point L146(lines 146 613) no Hoare annotation was computed. [2020-12-21 23:14:49,956 INFO L189 CegarLoopUtils]: For program point L113(lines 113 624) no Hoare annotation was computed. [2020-12-21 23:14:49,956 INFO L192 CegarLoopUtils]: At program point L675(lines 11 677) the Hoare annotation is: true [2020-12-21 23:14:49,956 INFO L189 CegarLoopUtils]: For program point L576(lines 576 580) no Hoare annotation was computed. [2020-12-21 23:14:49,956 INFO L189 CegarLoopUtils]: For program point L444(lines 444 449) no Hoare annotation was computed. [2020-12-21 23:14:49,956 INFO L185 CegarLoopUtils]: At program point L180(lines 176 603) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse2 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) (.cse3 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse6 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657))) (.cse7 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse8 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672))) (.cse9 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse11 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse12 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse13 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse9 .cse10 .cse11 .cse12 .cse13) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse12 .cse13) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) .cse10 .cse11 .cse12 .cse13 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))))) [2020-12-21 23:14:49,957 INFO L185 CegarLoopUtils]: At program point L147(lines 143 614) the Hoare annotation is: (let ((.cse8 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse5 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse6 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse9 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse1 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse4 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse10) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (and .cse0 .cse2 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672) .cse5 .cse6 .cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657)) .cse9 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) .cse1 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) .cse3 .cse4 .cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656)) (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))))) [2020-12-21 23:14:49,957 INFO L189 CegarLoopUtils]: For program point L412(lines 412 416) no Hoare annotation was computed. [2020-12-21 23:14:49,957 INFO L185 CegarLoopUtils]: At program point L214(lines 107 626) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse2 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse5 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse6 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse7 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse8 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse9 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (and .cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8673)) .cse3 .cse6 .cse7 .cse8 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) .cse2 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) .cse4 .cse5 .cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656)) (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse10))) [2020-12-21 23:14:49,957 INFO L189 CegarLoopUtils]: For program point L182(lines 182 601) no Hoare annotation was computed. [2020-12-21 23:14:49,957 INFO L189 CegarLoopUtils]: For program point L149(lines 149 612) no Hoare annotation was computed. [2020-12-21 23:14:49,957 INFO L189 CegarLoopUtils]: For program point L116(lines 116 623) no Hoare annotation was computed. [2020-12-21 23:14:49,957 INFO L189 CegarLoopUtils]: For program point L513(lines 513 517) no Hoare annotation was computed. [2020-12-21 23:14:49,957 INFO L189 CegarLoopUtils]: For program point L480(lines 480 484) no Hoare annotation was computed. [2020-12-21 23:14:49,958 INFO L189 CegarLoopUtils]: For program point L513-2(lines 513 517) no Hoare annotation was computed. [2020-12-21 23:14:49,958 INFO L189 CegarLoopUtils]: For program point L85(lines 85 93) no Hoare annotation was computed. [2020-12-21 23:14:49,958 INFO L189 CegarLoopUtils]: For program point L85-1(lines 66 676) no Hoare annotation was computed. [2020-12-21 23:14:49,958 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-21 23:14:49,958 INFO L189 CegarLoopUtils]: For program point L185(lines 185 600) no Hoare annotation was computed. [2020-12-21 23:14:49,958 INFO L189 CegarLoopUtils]: For program point L152(lines 152 611) no Hoare annotation was computed. [2020-12-21 23:14:49,958 INFO L189 CegarLoopUtils]: For program point L119(lines 119 622) no Hoare annotation was computed. [2020-12-21 23:14:49,958 INFO L189 CegarLoopUtils]: For program point L86(lines 86 90) no Hoare annotation was computed. [2020-12-21 23:14:49,958 INFO L189 CegarLoopUtils]: For program point L351(lines 351 382) no Hoare annotation was computed. [2020-12-21 23:14:49,958 INFO L189 CegarLoopUtils]: For program point L318(lines 318 322) no Hoare annotation was computed. [2020-12-21 23:14:49,959 INFO L189 CegarLoopUtils]: For program point L318-2(lines 318 322) no Hoare annotation was computed. [2020-12-21 23:14:49,959 INFO L189 CegarLoopUtils]: For program point L219(lines 219 223) no Hoare annotation was computed. [2020-12-21 23:14:49,959 INFO L185 CegarLoopUtils]: At program point L186(lines 182 601) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse2 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) (.cse3 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse6 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657))) (.cse7 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse8 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672))) (.cse9 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse11 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse12 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse13 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse9 .cse10 .cse11 .cse12 .cse13) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse12 .cse13) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) .cse10 .cse11 .cse12 .cse13 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))))) [2020-12-21 23:14:49,959 INFO L185 CegarLoopUtils]: At program point L153(lines 149 612) the Hoare annotation is: (let ((.cse8 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse5 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse6 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse9 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse1 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse4 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse10) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (and .cse0 .cse2 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672) .cse5 .cse6 .cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657)) .cse9 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) .cse1 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) .cse3 .cse4 .cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656)) (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))))) [2020-12-21 23:14:49,959 INFO L189 CegarLoopUtils]: For program point L219-2(lines 211 589) no Hoare annotation was computed. [2020-12-21 23:14:49,959 INFO L189 CegarLoopUtils]: For program point L188(lines 188 599) no Hoare annotation was computed. [2020-12-21 23:14:49,960 INFO L189 CegarLoopUtils]: For program point L155(lines 155 610) no Hoare annotation was computed. [2020-12-21 23:14:49,960 INFO L189 CegarLoopUtils]: For program point L122(lines 122 621) no Hoare annotation was computed. [2020-12-21 23:14:49,960 INFO L189 CegarLoopUtils]: For program point L552(lines 552 556) no Hoare annotation was computed. [2020-12-21 23:14:49,960 INFO L189 CegarLoopUtils]: For program point L354(lines 354 381) no Hoare annotation was computed. [2020-12-21 23:14:49,960 INFO L189 CegarLoopUtils]: For program point L354-1(lines 354 381) no Hoare annotation was computed. [2020-12-21 23:14:49,960 INFO L185 CegarLoopUtils]: At program point L123(lines 119 622) the Hoare annotation is: (let ((.cse1 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (.cse8 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse5 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse6 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse9 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse2 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse4 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (and .cse0 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672) .cse5 .cse6 .cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657)) .cse9 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) .cse2 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) .cse3 .cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656)) (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))))) [2020-12-21 23:14:49,960 INFO L185 CegarLoopUtils]: At program point L553(lines 66 676) the Hoare annotation is: false [2020-12-21 23:14:49,960 INFO L189 CegarLoopUtils]: For program point L355(lines 355 378) no Hoare annotation was computed. [2020-12-21 23:14:49,961 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-21 23:14:49,961 INFO L189 CegarLoopUtils]: For program point L256(lines 256 268) no Hoare annotation was computed. [2020-12-21 23:14:49,961 INFO L189 CegarLoopUtils]: For program point L257(lines 257 262) no Hoare annotation was computed. [2020-12-21 23:14:49,961 INFO L189 CegarLoopUtils]: For program point L191(lines 191 598) no Hoare annotation was computed. [2020-12-21 23:14:49,961 INFO L189 CegarLoopUtils]: For program point L158(lines 158 609) no Hoare annotation was computed. [2020-12-21 23:14:49,961 INFO L189 CegarLoopUtils]: For program point L125(lines 125 620) no Hoare annotation was computed. [2020-12-21 23:14:49,961 INFO L192 CegarLoopUtils]: At program point L687(lines 678 689) the Hoare annotation is: true [2020-12-21 23:14:49,961 INFO L189 CegarLoopUtils]: For program point L390(lines 390 421) no Hoare annotation was computed. [2020-12-21 23:14:49,961 INFO L189 CegarLoopUtils]: For program point L291(lines 291 295) no Hoare annotation was computed. [2020-12-21 23:14:49,961 INFO L189 CegarLoopUtils]: For program point L291-2(lines 211 589) no Hoare annotation was computed. [2020-12-21 23:14:49,962 INFO L185 CegarLoopUtils]: At program point L192(lines 188 599) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse2 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) (.cse3 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse6 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657))) (.cse7 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse8 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672))) (.cse9 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse11 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse12 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse13 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse9 .cse10 .cse11 .cse12 .cse13) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse12 .cse13))) [2020-12-21 23:14:49,962 INFO L185 CegarLoopUtils]: At program point L159(lines 155 610) the Hoare annotation is: (let ((.cse5 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse6 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse2 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse8 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse4 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)))) (or (and (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672) .cse0 .cse1 .cse2 .cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657)) .cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) .cse5 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) .cse6 .cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656)) (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (and .cse5 .cse0 .cse6 .cse1 .cse2 .cse3 .cse8 .cse4 .cse7 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (and .cse5 .cse0 .cse6 .cse1 .cse2 .cse3 .cse8 .cse4 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse7))) [2020-12-21 23:14:49,962 INFO L185 CegarLoopUtils]: At program point L126(lines 125 620) the Hoare annotation is: (and (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480)) (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672) (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657)) (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544)) (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656))) [2020-12-21 23:14:49,963 INFO L189 CegarLoopUtils]: For program point L523(lines 523 528) no Hoare annotation was computed. [2020-12-21 23:14:49,963 INFO L189 CegarLoopUtils]: For program point L391(lines 391 397) no Hoare annotation was computed. [2020-12-21 23:14:49,963 INFO L189 CegarLoopUtils]: For program point L358(lines 358 377) no Hoare annotation was computed. [2020-12-21 23:14:49,963 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-21 23:14:49,963 INFO L185 CegarLoopUtils]: At program point L590(lines 101 658) the Hoare annotation is: (let ((.cse2 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (.cse3 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse12 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse6 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse1 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) (.cse7 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse8 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse9 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657))) (.cse13 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse4 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (.cse0 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3)) (.cse11 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~0)) (and .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse1 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13) (and .cse2 .cse3 .cse12) (and .cse5 .cse6 .cse1 .cse7 .cse8 .cse9 .cse10 .cse11 .cse13 .cse4) (and .cse0 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (and (= 3 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0) .cse0 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8448) .cse11) (<= ULTIMATE.start_ssl3_accept_~s__state~0 3))) [2020-12-21 23:14:49,963 INFO L189 CegarLoopUtils]: For program point L557(lines 557 561) no Hoare annotation was computed. [2020-12-21 23:14:49,963 INFO L189 CegarLoopUtils]: For program point L491(lines 491 495) no Hoare annotation was computed. [2020-12-21 23:14:49,963 INFO L189 CegarLoopUtils]: For program point L359(lines 359 363) no Hoare annotation was computed. [2020-12-21 23:14:49,965 INFO L189 CegarLoopUtils]: For program point L359-2(lines 358 375) no Hoare annotation was computed. [2020-12-21 23:14:49,966 INFO L189 CegarLoopUtils]: For program point L194(lines 194 597) no Hoare annotation was computed. [2020-12-21 23:14:49,966 INFO L189 CegarLoopUtils]: For program point L161(lines 161 608) no Hoare annotation was computed. [2020-12-21 23:14:49,966 INFO L189 CegarLoopUtils]: For program point L128(lines 128 619) no Hoare annotation was computed. [2020-12-21 23:14:49,966 INFO L189 CegarLoopUtils]: For program point L459(lines 459 463) no Hoare annotation was computed. [2020-12-21 23:14:49,966 INFO L189 CegarLoopUtils]: For program point L327-1(lines 327 336) no Hoare annotation was computed. [2020-12-21 23:14:49,966 INFO L192 CegarLoopUtils]: At program point L659(lines 100 660) the Hoare annotation is: true [2020-12-21 23:14:49,966 INFO L189 CegarLoopUtils]: For program point L197(lines 197 596) no Hoare annotation was computed. [2020-12-21 23:14:49,966 INFO L189 CegarLoopUtils]: For program point L164(lines 164 607) no Hoare annotation was computed. [2020-12-21 23:14:49,966 INFO L189 CegarLoopUtils]: For program point L131(lines 131 618) no Hoare annotation was computed. [2020-12-21 23:14:49,966 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-21 23:14:49,966 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 670) no Hoare annotation was computed. [2020-12-21 23:14:49,967 INFO L189 CegarLoopUtils]: For program point L231(lines 231 248) no Hoare annotation was computed. [2020-12-21 23:14:49,967 INFO L185 CegarLoopUtils]: At program point L198(lines 194 597) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8673))) (.cse2 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse4 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse5 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse6 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse7 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse8 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672))) (.cse9 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse11 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse12 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse12) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) .cse10 .cse11 .cse12 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse9 .cse10 .cse11 .cse12))) [2020-12-21 23:14:49,967 INFO L185 CegarLoopUtils]: At program point L165(lines 161 608) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse4 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse6 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse2 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse8 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse3 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)))) (or (and .cse0 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672) .cse1 .cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657)) .cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) .cse4 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) .cse5 .cse6 .cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656)) (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (and .cse0 .cse4 .cse1 .cse5 .cse6 .cse2 .cse8 .cse3 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse7) (and .cse0 .cse4 .cse1 .cse5 .cse6 .cse2 .cse8 .cse3 .cse7 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)))) [2020-12-21 23:14:49,967 INFO L189 CegarLoopUtils]: For program point L231-2(lines 211 589) no Hoare annotation was computed. [2020-12-21 23:14:49,967 INFO L189 CegarLoopUtils]: For program point L628(lines 628 656) no Hoare annotation was computed. [2020-12-21 23:14:49,967 INFO L189 CegarLoopUtils]: For program point L331(lines 331 335) no Hoare annotation was computed. [2020-12-21 23:14:49,968 INFO L189 CegarLoopUtils]: For program point L629(lines 629 653) no Hoare annotation was computed. [2020-12-21 23:14:49,968 INFO L189 CegarLoopUtils]: For program point L563(lines 563 567) no Hoare annotation was computed. [2020-12-21 23:14:49,968 INFO L189 CegarLoopUtils]: For program point L530(lines 530 534) no Hoare annotation was computed. [2020-12-21 23:14:49,968 INFO L189 CegarLoopUtils]: For program point L563-2(lines 563 567) no Hoare annotation was computed. [2020-12-21 23:14:49,968 INFO L189 CegarLoopUtils]: For program point L464(lines 464 475) no Hoare annotation was computed. [2020-12-21 23:14:49,968 INFO L189 CegarLoopUtils]: For program point L530-2(lines 211 589) no Hoare annotation was computed. [2020-12-21 23:14:49,968 INFO L189 CegarLoopUtils]: For program point L431(lines 431 435) no Hoare annotation was computed. [2020-12-21 23:14:49,968 INFO L185 CegarLoopUtils]: At program point L365(lines 348 383) the Hoare annotation is: (let ((.cse8 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse5 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse6 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse9 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse1 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse4 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse10) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (and .cse0 .cse2 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672) .cse5 .cse6 .cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657)) .cse9 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) .cse1 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) .cse3 .cse4 .cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656)) (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))))) [2020-12-21 23:14:49,968 INFO L189 CegarLoopUtils]: For program point L233(lines 233 238) no Hoare annotation was computed. [2020-12-21 23:14:49,969 INFO L189 CegarLoopUtils]: For program point L200(lines 200 595) no Hoare annotation was computed. [2020-12-21 23:14:49,969 INFO L189 CegarLoopUtils]: For program point L167(lines 167 606) no Hoare annotation was computed. [2020-12-21 23:14:49,969 INFO L189 CegarLoopUtils]: For program point L134(lines 134 617) no Hoare annotation was computed. [2020-12-21 23:14:49,970 INFO L185 CegarLoopUtils]: At program point L101-2(lines 101 658) the Hoare annotation is: (let ((.cse2 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (.cse3 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse12 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse6 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse1 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) (.cse7 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse8 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse9 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657))) (.cse13 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse4 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (.cse0 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3)) (.cse11 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~0)) (and .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse1 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13) (and .cse2 .cse3 .cse12) (and .cse5 .cse6 .cse1 .cse7 .cse8 .cse9 .cse10 .cse11 .cse13 .cse4) (and .cse0 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (and (= 3 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0) .cse0 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8448) .cse11) (<= ULTIMATE.start_ssl3_accept_~s__state~0 3))) [2020-12-21 23:14:50,033 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.12 11:14:50 BoogieIcfgContainer [2020-12-21 23:14:50,034 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-21 23:14:50,034 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-21 23:14:50,034 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-21 23:14:50,035 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-21 23:14:50,035 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 11:14:22" (3/4) ... [2020-12-21 23:14:50,042 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-21 23:14:50,062 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-12-21 23:14:50,063 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-12-21 23:14:50,064 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-21 23:14:50,065 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-21 23:14:50,172 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/bitvector/s3_srvr_3a_alt.BV.c.cil.c-witness.graphml [2020-12-21 23:14:50,172 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-21 23:14:50,173 INFO L168 Benchmark]: Toolchain (without parser) took 29238.34 ms. Allocated memory was 158.3 MB in the beginning and 846.2 MB in the end (delta: 687.9 MB). Free memory was 133.1 MB in the beginning and 665.9 MB in the end (delta: -532.8 MB). Peak memory consumption was 155.7 MB. Max. memory is 8.0 GB. [2020-12-21 23:14:50,174 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 158.3 MB. Free memory is still 131.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-21 23:14:50,174 INFO L168 Benchmark]: CACSL2BoogieTranslator took 501.29 ms. Allocated memory is still 158.3 MB. Free memory was 132.7 MB in the beginning and 117.7 MB in the end (delta: 15.1 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. [2020-12-21 23:14:50,175 INFO L168 Benchmark]: Boogie Procedure Inliner took 76.09 ms. Allocated memory is still 158.3 MB. Free memory was 117.7 MB in the beginning and 114.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-12-21 23:14:50,175 INFO L168 Benchmark]: Boogie Preprocessor took 47.67 ms. Allocated memory is still 158.3 MB. Free memory was 114.9 MB in the beginning and 112.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-12-21 23:14:50,175 INFO L168 Benchmark]: RCFGBuilder took 1065.26 ms. Allocated memory is still 158.3 MB. Free memory was 112.8 MB in the beginning and 61.8 MB in the end (delta: 51.1 MB). Peak memory consumption was 51.4 MB. Max. memory is 8.0 GB. [2020-12-21 23:14:50,176 INFO L168 Benchmark]: TraceAbstraction took 27401.74 ms. Allocated memory was 158.3 MB in the beginning and 846.2 MB in the end (delta: 687.9 MB). Free memory was 61.4 MB in the beginning and 678.5 MB in the end (delta: -617.1 MB). Peak memory consumption was 436.7 MB. Max. memory is 8.0 GB. [2020-12-21 23:14:50,176 INFO L168 Benchmark]: Witness Printer took 138.15 ms. Allocated memory is still 846.2 MB. Free memory was 678.5 MB in the beginning and 665.9 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2020-12-21 23:14:50,179 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 158.3 MB. Free memory is still 131.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 501.29 ms. Allocated memory is still 158.3 MB. Free memory was 132.7 MB in the beginning and 117.7 MB in the end (delta: 15.1 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 76.09 ms. Allocated memory is still 158.3 MB. Free memory was 117.7 MB in the beginning and 114.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 47.67 ms. Allocated memory is still 158.3 MB. Free memory was 114.9 MB in the beginning and 112.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1065.26 ms. Allocated memory is still 158.3 MB. Free memory was 112.8 MB in the beginning and 61.8 MB in the end (delta: 51.1 MB). Peak memory consumption was 51.4 MB. Max. memory is 8.0 GB. * TraceAbstraction took 27401.74 ms. Allocated memory was 158.3 MB in the beginning and 846.2 MB in the end (delta: 687.9 MB). Free memory was 61.4 MB in the beginning and 678.5 MB in the end (delta: -617.1 MB). Peak memory consumption was 436.7 MB. Max. memory is 8.0 GB. * Witness Printer took 138.15 ms. Allocated memory is still 846.2 MB. Free memory was 678.5 MB in the beginning and 665.9 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 670]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 400]: Loop Invariant Derived loop invariant: ((((((((((((((s__state <= 8672 && !(s__state == 8480)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && 8448 <= s__state) && !(s__state == 8672)) && !(8496 == s__state)) && blastFlag <= 3) && !(8448 == s__state)) && !(s__state == 8481)) && !(s__state == 8656)) && !(s__hit == 0)) || (((((((((!(8496 == s__state) && !(s__state == 8480)) && !(8448 == s__state)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && !(s__state == 8481)) && 2 == blastFlag)) || (((((((((!(8496 == s__state) && !(s__state == 8480)) && !(8448 == s__state)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && blastFlag <= 1) && !(s__state == 8481)) - InvariantResult [Line: 182]: Loop Invariant Derived loop invariant: (((((((((((((((!(s__state == 8545) && !(s__state == 8480)) && s__state <= 8672) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && 8448 <= s__state) && !(s__state == 8672)) && 2 == blastFlag) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8481)) && !(s__state == 8656)) || ((((((((((((((!(s__state == 8545) && !(s__state == 8480)) && s__state <= 8672) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && 8448 <= s__state) && !(s__state == 8672)) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && blastFlag <= 1) && !(s__state == 8481)) && !(s__state == 8656))) || (((((((((((((((!(s__state == 8545) && !(s__state == 8480)) && s__state <= 8672) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && 8448 <= s__state) && !(s__state == 8672)) && !(8496 == s__state)) && blastFlag <= 3) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8481)) && !(s__state == 8656)) && !(s__hit == 0)) - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: ((((((((blastFlag <= 3 && s__state <= 8672) && 8672 <= s__state) || ((s__s3__tmp__next_state___0 <= 8576 && s__state <= 8576) && 2 == blastFlag)) || (((((((((!(s__state == 8545) && !(s__state == 8480)) && s__state <= 8672) && !(8448 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && 8448 <= s__state) && blastFlag <= 1) && !(s__state == 8481))) || ((s__s3__tmp__next_state___0 <= 8576 && s__state <= 8576) && blastFlag <= 1)) || (((((((((!(s__state == 8545) && !(s__state == 8480)) && s__state <= 8672) && !(8448 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && 8448 <= s__state) && !(s__state == 8481)) && 2 == blastFlag)) || (blastFlag <= 3 && !(s__hit == 0))) || (((3 == s__s3__tmp__next_state___0 && blastFlag <= 3) && s__state <= 8448) && 8448 <= s__state)) || s__state <= 3 - InvariantResult [Line: 348]: Loop Invariant Derived loop invariant: ((((((((((((!(s__state == 8545) && !(8496 == s__state)) && !(s__state == 8480)) && !(s__state == 8544)) && !(8448 == s__state)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && blastFlag <= 1) && !(s__state == 8481)) || (((((((((((!(s__state == 8545) && !(8496 == s__state)) && !(s__state == 8480)) && !(s__state == 8544)) && !(8448 == s__state)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && !(s__state == 8481)) && 2 == blastFlag)) || (((((((((((((((!(s__state == 8545) && !(s__state == 8480)) && s__state <= 8672) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && 8448 <= s__state) && !(s__state == 8672)) && !(8496 == s__state)) && blastFlag <= 3) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8481)) && !(s__state == 8656)) && !(s__hit == 0)) - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: ((((((((((((!(s__state == 8545) && !(8496 == s__state)) && !(s__state == 8480)) && !(s__state == 8544)) && !(8448 == s__state)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && blastFlag <= 1) && !(s__state == 8481)) || (((((((((((!(s__state == 8545) && !(8496 == s__state)) && !(s__state == 8480)) && !(s__state == 8544)) && !(8448 == s__state)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && !(s__state == 8481)) && 2 == blastFlag)) || (((((((((((((((!(s__state == 8545) && !(s__state == 8480)) && s__state <= 8672) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && 8448 <= s__state) && !(s__state == 8672)) && !(8496 == s__state)) && blastFlag <= 3) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8481)) && !(s__state == 8656)) && !(s__hit == 0)) - InvariantResult [Line: 209]: Loop Invariant Derived loop invariant: !(s__state == 8672) - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: (((((s__s3__tmp__next_state___0 <= 8576 && s__state <= 8448) && 8448 <= s__state) && 2 == blastFlag) || (((blastFlag <= 3 && s__state <= 8448) && 8448 <= s__state) && !(s__hit == 0))) || (((s__s3__tmp__next_state___0 <= 8576 && s__state <= 8448) && 8448 <= s__state) && blastFlag <= 1)) || (((3 == s__s3__tmp__next_state___0 && blastFlag <= 3) && s__state <= 8448) && 8448 <= s__state) - InvariantResult [Line: 125]: Loop Invariant Derived loop invariant: ((((((((((((!(s__state == 8545) && !(s__state == 8480)) && s__state <= 8672) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && 8448 <= s__state) && !(s__state == 8672)) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8481)) && !(s__state == 8656) - InvariantResult [Line: 200]: Loop Invariant Derived loop invariant: (blastFlag <= 3 && 8672 <= s__state) && !(12292 == s__state) - InvariantResult [Line: 149]: Loop Invariant Derived loop invariant: ((((((((((((!(s__state == 8545) && !(8496 == s__state)) && !(s__state == 8480)) && !(s__state == 8544)) && !(8448 == s__state)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && blastFlag <= 1) && !(s__state == 8481)) || (((((((((((!(s__state == 8545) && !(8496 == s__state)) && !(s__state == 8480)) && !(s__state == 8544)) && !(8448 == s__state)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && !(s__state == 8481)) && 2 == blastFlag)) || (((((((((((((((!(s__state == 8545) && !(s__state == 8480)) && s__state <= 8672) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && 8448 <= s__state) && !(s__state == 8672)) && !(8496 == s__state)) && blastFlag <= 3) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8481)) && !(s__state == 8656)) && !(s__hit == 0)) - InvariantResult [Line: 678]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 206]: Loop Invariant Derived loop invariant: !(s__state == 8672) - InvariantResult [Line: 161]: Loop Invariant Derived loop invariant: ((((((((((((((!(s__state == 8545) && s__state <= 8672) && !(s__state == 8480)) && !(8497 == s__state)) && !(s__state == 8657)) && 8448 <= s__state) && !(s__state == 8672)) && !(8496 == s__state)) && blastFlag <= 3) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8481)) && !(s__state == 8656)) && !(s__hit == 0)) || (((((((((!(s__state == 8545) && !(8496 == s__state)) && !(s__state == 8480)) && !(s__state == 8544)) && !(8448 == s__state)) && !(8497 == s__state)) && s__state <= 8576) && 8448 <= s__state) && blastFlag <= 1) && !(s__state == 8481))) || (((((((((!(s__state == 8545) && !(8496 == s__state)) && !(s__state == 8480)) && !(s__state == 8544)) && !(8448 == s__state)) && !(8497 == s__state)) && s__state <= 8576) && 8448 <= s__state) && !(s__state == 8481)) && 2 == blastFlag) - InvariantResult [Line: 11]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: (((((((((((!(s__state == 8545) && s__s3__tmp__next_state___0 <= 8576) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && 2 == blastFlag) || ((((((((((!(s__state == 8545) && s__s3__tmp__next_state___0 <= 8576) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && blastFlag <= 1)) || (((((((((((((!(s__state == 8545) && s__state <= 8672) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && 8448 <= s__state) && !(s__state == 8672)) && !(8496 == s__state)) && blastFlag <= 3) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8656)) && !(s__hit == 0)) - InvariantResult [Line: 194]: Loop Invariant Derived loop invariant: ((((((((((((((!(s__state == 8545) && !(s__state == 8673)) && s__state <= 8672) && !(s__state == 8480)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && 8448 <= s__state) && !(s__state == 8672)) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && blastFlag <= 1) && !(s__state == 8481)) || ((((((((((((((!(s__state == 8545) && !(s__state == 8673)) && s__state <= 8672) && !(s__state == 8480)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && 8448 <= s__state) && !(s__state == 8672)) && !(8496 == s__state)) && blastFlag <= 3) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8481)) && !(s__hit == 0))) || (((((((((((((!(s__state == 8545) && !(s__state == 8673)) && s__state <= 8672) && !(s__state == 8480)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && 8448 <= s__state) && !(s__state == 8672)) && 2 == blastFlag) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8481)) - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: ((((((((((((!(s__state == 8545) && !(8496 == s__state)) && !(s__state == 8480)) && !(s__state == 8544)) && !(8448 == s__state)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && blastFlag <= 1) && !(s__state == 8481)) || (((((((((((!(s__state == 8545) && !(8496 == s__state)) && !(s__state == 8480)) && !(s__state == 8544)) && !(8448 == s__state)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && !(s__state == 8481)) && 2 == blastFlag)) || (((((((((((((((!(s__state == 8545) && !(s__state == 8480)) && s__state <= 8672) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && 8448 <= s__state) && !(s__state == 8672)) && !(8496 == s__state)) && blastFlag <= 3) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8481)) && !(s__state == 8656)) && !(s__hit == 0)) - InvariantResult [Line: 104]: Loop Invariant Derived loop invariant: (((!(s__state == 8673) && blastFlag <= 3) && 8672 <= s__state) && !(s__state == 8672)) && !(s__hit == 0) - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: (((((((((((((((!(s__state == 8545) && !(s__state == 8480)) && s__state <= 8672) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && 8448 <= s__state) && !(s__state == 8672)) && 2 == blastFlag) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8481)) && !(s__state == 8656)) || ((((((((((((((!(s__state == 8545) && !(s__state == 8480)) && s__state <= 8672) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && 8448 <= s__state) && !(s__state == 8672)) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && blastFlag <= 1) && !(s__state == 8481)) && !(s__state == 8656))) || (((((((((((((((!(s__state == 8545) && !(s__state == 8480)) && s__state <= 8672) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && 8448 <= s__state) && !(s__state == 8672)) && !(8496 == s__state)) && blastFlag <= 3) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8481)) && !(s__state == 8656)) && !(s__hit == 0)) - InvariantResult [Line: 155]: Loop Invariant Derived loop invariant: ((((((((((((((s__state <= 8672 && !(s__state == 8480)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && 8448 <= s__state) && !(s__state == 8672)) && !(8496 == s__state)) && blastFlag <= 3) && !(8448 == s__state)) && !(s__state == 8481)) && !(s__state == 8656)) && !(s__hit == 0)) || (((((((((!(8496 == s__state) && !(s__state == 8480)) && !(8448 == s__state)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && !(s__state == 8481)) && 2 == blastFlag)) || (((((((((!(8496 == s__state) && !(s__state == 8480)) && !(8448 == s__state)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && blastFlag <= 1) && !(s__state == 8481)) - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 100]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 188]: Loop Invariant Derived loop invariant: (((((((((((((((!(s__state == 8545) && !(s__state == 8480)) && s__state <= 8672) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && 8448 <= s__state) && !(s__state == 8672)) && 2 == blastFlag) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8481)) && !(s__state == 8656)) || ((((((((((((((!(s__state == 8545) && !(s__state == 8480)) && s__state <= 8672) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && 8448 <= s__state) && !(s__state == 8672)) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8481)) && !(s__state == 8656)) && !(s__hit == 0))) || ((((((((((((((!(s__state == 8545) && !(s__state == 8480)) && s__state <= 8672) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && 8448 <= s__state) && !(s__state == 8672)) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && blastFlag <= 1) && !(s__state == 8481)) && !(s__state == 8656)) - InvariantResult [Line: 107]: Loop Invariant Derived loop invariant: ((((((((((((s__s3__tmp__next_state___0 <= 8576 && !(s__state == 8545)) && !(8496 == s__state)) && !(s__state == 8480)) && !(s__state == 8544)) && !(8448 == s__state)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && !(s__state == 8481)) && 2 == blastFlag) || ((((((((((((((!(s__state == 8545) && !(s__state == 8673)) && !(s__state == 8480)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && !(s__state == 8672)) && !(8496 == s__state)) && blastFlag <= 3) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8481)) && !(s__state == 8656)) && !(s__hit == 0))) || (((((((((((s__s3__tmp__next_state___0 <= 8576 && !(s__state == 8545)) && !(8496 == s__state)) && !(s__state == 8480)) && !(s__state == 8544)) && !(8448 == s__state)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && blastFlag <= 1) && !(s__state == 8481)) - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: ((((((((((!(s__state == 8545) && !(s__state == 8480)) && !(s__state == 8544)) && !(8448 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && !(s__state == 8481)) && 2 == blastFlag) || (((((((((((((!(s__state == 8545) && s__state <= 8672) && !(s__state == 8480)) && !(8560 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && 8448 <= s__state) && !(s__state == 8672)) && blastFlag <= 3) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8481)) && !(s__state == 8656)) && !(s__hit == 0))) || (((((((((!(s__state == 8545) && !(s__state == 8480)) && !(s__state == 8544)) && !(8448 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && blastFlag <= 1) && !(s__state == 8481)) - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: ((((((((blastFlag <= 3 && s__state <= 8672) && 8672 <= s__state) || ((s__s3__tmp__next_state___0 <= 8576 && s__state <= 8576) && 2 == blastFlag)) || (((((((((!(s__state == 8545) && !(s__state == 8480)) && s__state <= 8672) && !(8448 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && 8448 <= s__state) && blastFlag <= 1) && !(s__state == 8481))) || ((s__s3__tmp__next_state___0 <= 8576 && s__state <= 8576) && blastFlag <= 1)) || (((((((((!(s__state == 8545) && !(s__state == 8480)) && s__state <= 8672) && !(8448 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && 8448 <= s__state) && !(s__state == 8481)) && 2 == blastFlag)) || (blastFlag <= 3 && !(s__hit == 0))) || (((3 == s__s3__tmp__next_state___0 && blastFlag <= 3) && s__state <= 8448) && 8448 <= s__state)) || s__state <= 3 - InvariantResult [Line: 170]: Loop Invariant Derived loop invariant: (((((((((((((((!(s__state == 8545) && !(s__state == 8480)) && s__state <= 8672) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && 8448 <= s__state) && !(s__state == 8672)) && 2 == blastFlag) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8481)) && !(s__state == 8656)) || ((((((((((((((!(s__state == 8545) && !(s__state == 8480)) && s__state <= 8672) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && 8448 <= s__state) && !(s__state == 8672)) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && blastFlag <= 1) && !(s__state == 8481)) && !(s__state == 8656))) || (((((((((((((((!(s__state == 8545) && !(s__state == 8480)) && s__state <= 8672) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && 8448 <= s__state) && !(s__state == 8672)) && !(8496 == s__state)) && blastFlag <= 3) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8481)) && !(s__state == 8656)) && !(s__hit == 0)) - InvariantResult [Line: 390]: Loop Invariant Derived loop invariant: ((((((((((((((s__state <= 8672 && !(s__state == 8480)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && 8448 <= s__state) && !(s__state == 8672)) && !(8496 == s__state)) && blastFlag <= 3) && !(8448 == s__state)) && !(s__state == 8481)) && !(s__state == 8656)) && !(s__hit == 0)) || (((((((((!(8496 == s__state) && !(s__state == 8480)) && !(8448 == s__state)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && !(s__state == 8481)) && 2 == blastFlag)) || (((((((((!(8496 == s__state) && !(s__state == 8480)) && !(8448 == s__state)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && blastFlag <= 1) && !(s__state == 8481)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 138 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 18.7s, OverallIterations: 32, TraceHistogramMax: 19, AutomataDifference: 7.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 5562 SDtfs, 3448 SDslu, 2615 SDs, 0 SdLazy, 3162 SolverSat, 909 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2584 GetRequests, 2546 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3837occurred in iteration=24, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.8s AutomataMinimizationTime, 32 MinimizatonAttempts, 2417 StatesRemovedByMinimization, 24 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 29 LocationsWithAnnotation, 29 PreInvPairs, 367 NumberOfFragments, 2859 HoareAnnotationTreeSize, 29 FomulaSimplifications, 43835 FormulaSimplificationTreeSizeReduction, 1.0s HoareSimplificationTime, 29 FomulaSimplificationsInter, 6830 FormulaSimplificationTreeSizeReductionInter, 7.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 4.0s InterpolantComputationTime, 7563 NumberOfCodeBlocks, 7563 NumberOfCodeBlocksAsserted, 34 NumberOfCheckSat, 7529 ConstructedInterpolants, 0 QuantifiedInterpolants, 3182748 SizeOfPredicates, 2 NumberOfNonLiveVariables, 4312 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 34 InterpolantComputations, 30 PerfectInterpolantSequences, 25706/25810 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 RESULT: Ultimate proved your program to be correct! Received shutdown request...